/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -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/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 13:03:08,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 13:03:08,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 13:03:08,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 13:03:08,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 13:03:08,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 13:03:08,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 13:03:08,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 13:03:08,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 13:03:08,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 13:03:08,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 13:03:08,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 13:03:08,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 13:03:08,137 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 13:03:08,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 13:03:08,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 13:03:08,138 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 13:03:08,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 13:03:08,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 13:03:08,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 13:03:08,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 13:03:08,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 13:03:08,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 13:03:08,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 13:03:08,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 13:03:08,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 13:03:08,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 13:03:08,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 13:03:08,140 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 13:03:08,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 13:03:08,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:03:08,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 13:03:08,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 13:03:08,142 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 13:03:08,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 13:03:08,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 13:03:08,142 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 13:03:08,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 13:03:08,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 13:03:08,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 13:03:08,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 13:03:08,143 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 13:03:08,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 13:03:08,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 13:03:08,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 13:03:08,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 13:03:08,380 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 13:03:08,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i [2024-05-30 13:03:09,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 13:03:09,624 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 13:03:09,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i [2024-05-30 13:03:09,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f6de92460/7277652435f2401f873905e99d9c39db/FLAGefc63130d [2024-05-30 13:03:09,644 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f6de92460/7277652435f2401f873905e99d9c39db [2024-05-30 13:03:09,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 13:03:09,647 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 13:03:09,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 13:03:09,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 13:03:09,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 13:03:09,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:03:09" (1/1) ... [2024-05-30 13:03:09,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc8456d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:09, skipping insertion in model container [2024-05-30 13:03:09,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:03:09" (1/1) ... [2024-05-30 13:03:09,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 13:03:09,854 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i[966,979] [2024-05-30 13:03:10,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:03:10,051 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 13:03:10,061 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i[966,979] [2024-05-30 13:03:10,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:03:10,162 INFO L206 MainTranslator]: Completed translation [2024-05-30 13:03:10,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10 WrapperNode [2024-05-30 13:03:10,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 13:03:10,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 13:03:10,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 13:03:10,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 13:03:10,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,212 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2024-05-30 13:03:10,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 13:03:10,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 13:03:10,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 13:03:10,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 13:03:10,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 13:03:10,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 13:03:10,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 13:03:10,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 13:03:10,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (1/1) ... [2024-05-30 13:03:10,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:03:10,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:03:10,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 13:03:10,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 13:03:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 13:03:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 13:03:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 13:03:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 13:03:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 13:03:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 13:03:10,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 13:03:10,380 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 13:03:10,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 13:03:10,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 13:03:10,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 13:03:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 13:03:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 13:03:10,383 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 13:03:10,478 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 13:03:10,480 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 13:03:10,727 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 13:03:10,801 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 13:03:10,802 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 13:03:10,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:03:10 BoogieIcfgContainer [2024-05-30 13:03:10,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 13:03:10,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 13:03:10,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 13:03:10,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 13:03:10,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 01:03:09" (1/3) ... [2024-05-30 13:03:10,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d921fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:03:10, skipping insertion in model container [2024-05-30 13:03:10,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:03:10" (2/3) ... [2024-05-30 13:03:10,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d921fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:03:10, skipping insertion in model container [2024-05-30 13:03:10,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:03:10" (3/3) ... [2024-05-30 13:03:10,808 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_power.opt_pso.opt_rmo.opt.i [2024-05-30 13:03:10,814 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 13:03:10,821 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 13:03:10,821 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-30 13:03:10,821 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 13:03:10,851 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 13:03:10,879 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:03:10,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:03:10,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:03:10,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 13:03:10,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 13:03:10,917 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:03:10,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:03:10,930 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;@19019ccf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:03:10,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:03:10,934 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 13:03:10,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:03:10,940 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 13:03:10,941 INFO L308 ceAbstractionStarter]: Result for error location P1Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/5) [2024-05-30 13:03:10,946 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:03:10,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:03:10,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:03:10,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 13:03:10,999 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:03:10,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:03:11,000 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;@19019ccf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:03:11,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:03:11,008 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:03:11,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-30 13:03:11,049 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 103 states. [2024-05-30 13:03:11,049 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:03:11,052 INFO L78 Accepts]: Start accepts. Automaton has currently 105 states, but on-demand construction may add more states Word has length 60 [2024-05-30 13:03:11,054 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:03:11,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:03:11,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:03:11,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1073734255, now seen corresponding path program 1 times [2024-05-30 13:03:11,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:03:11,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605290583] [2024-05-30 13:03:11,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:03:11,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:03:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:03:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:03:11,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:03:11,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605290583] [2024-05-30 13:03:11,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605290583] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:03:11,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:03:11,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 13:03:11,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704572520] [2024-05-30 13:03:11,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:03:11,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 13:03:11,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:03:11,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 13:03:11,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 13:03:11,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:11,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:03:11,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2024-05-30 13:03:11,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:11,373 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:03:12,438 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 189 states. [2024-05-30 13:03:12,439 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:03:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:12,440 INFO L78 Accepts]: Start accepts. Automaton has currently 277 states, but on-demand construction may add more states Word has length 59 [2024-05-30 13:03:12,440 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:03:12,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 13:03:12,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:03:12,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:03:12,441 INFO L85 PathProgramCache]: Analyzing trace with hash -289944382, now seen corresponding path program 1 times [2024-05-30 13:03:12,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:03:12,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258541295] [2024-05-30 13:03:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:03:12,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:03:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:03:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:03:13,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:03:13,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258541295] [2024-05-30 13:03:13,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258541295] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:03:13,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:03:13,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:03:13,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500868324] [2024-05-30 13:03:13,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:03:13,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:03:13,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:03:13,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:03:13,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:03:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:13,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:03:13,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2024-05-30 13:03:13,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:13,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:13,083 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:03:21,158 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 640 states. [2024-05-30 13:03:21,158 INFO L212 cStratifiedReduction]: Copied states 40 times. [2024-05-30 13:03:21,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:03:21,165 INFO L78 Accepts]: Start accepts. Automaton has currently 799 states, but on-demand construction may add more states Word has length 61 [2024-05-30 13:03:21,165 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:03:21,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 13:03:21,166 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:03:21,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:03:21,167 INFO L85 PathProgramCache]: Analyzing trace with hash -327535293, now seen corresponding path program 1 times [2024-05-30 13:03:21,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:03:21,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663530552] [2024-05-30 13:03:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:03:21,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:03:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:03:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:03:21,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:03:21,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663530552] [2024-05-30 13:03:21,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663530552] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:03:21,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:03:21,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:03:21,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344020562] [2024-05-30 13:03:21,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:03:21,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:03:21,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:03:21,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:03:21,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:03:21,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:21,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:03:21,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2024-05-30 13:03:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:03:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:21,379 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:03:35,321 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1014 states. [2024-05-30 13:03:35,321 INFO L212 cStratifiedReduction]: Copied states 108 times. [2024-05-30 13:03:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:03:35,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:03:35,325 INFO L78 Accepts]: Start accepts. Automaton has currently 1181 states, but on-demand construction may add more states Word has length 72 [2024-05-30 13:03:35,326 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:03:35,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 13:03:35,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:03:35,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:03:35,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1694781939, now seen corresponding path program 1 times [2024-05-30 13:03:35,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:03:35,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027120243] [2024-05-30 13:03:35,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:03:35,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:03:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:03:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:03:35,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:03:35,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027120243] [2024-05-30 13:03:35,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027120243] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:03:35,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:03:35,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:03:35,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561835628] [2024-05-30 13:03:35,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:03:35,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:03:35,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:03:35,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:03:35,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:03:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:35,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:03:35,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) [2024-05-30 13:03:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:03:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:03:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:03:35,560 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:04:52,234 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2527 states. [2024-05-30 13:04:52,234 INFO L212 cStratifiedReduction]: Copied states 486 times. [2024-05-30 13:04:52,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:04:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:04:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:04:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:04:52,235 INFO L78 Accepts]: Start accepts. Automaton has currently 2487 states, but on-demand construction may add more states Word has length 72 [2024-05-30 13:04:52,235 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:04:52,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 13:04:52,236 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:04:52,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:04:52,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1517317363, now seen corresponding path program 2 times [2024-05-30 13:04:52,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:04:52,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188857974] [2024-05-30 13:04:52,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:04:52,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:04:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:04:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:04:52,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:04:52,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188857974] [2024-05-30 13:04:52,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188857974] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:04:52,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:04:52,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 13:04:52,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015883981] [2024-05-30 13:04:52,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:04:52,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 13:04:52,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:04:52,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 13:04:52,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-05-30 13:04:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:04:52,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:04:52,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2024-05-30 13:04:52,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:04:52,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:04:52,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:04:52,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:04:52,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:04:52,530 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:06:53,655 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3416 states. [2024-05-30 13:06:53,655 INFO L212 cStratifiedReduction]: Copied states 641 times. [2024-05-30 13:06:53,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:06:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:06:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:06:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:06:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:06:53,656 INFO L78 Accepts]: Start accepts. Automaton has currently 3324 states, but on-demand construction may add more states Word has length 65 [2024-05-30 13:06:53,658 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:06:53,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 13:06:53,659 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:06:53,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:06:53,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1370669248, now seen corresponding path program 1 times [2024-05-30 13:06:53,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:06:53,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074266032] [2024-05-30 13:06:53,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:06:53,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:06:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:06:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:06:53,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:06:53,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074266032] [2024-05-30 13:06:53,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074266032] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:06:53,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:06:53,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:06:53,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393806896] [2024-05-30 13:06:53,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:06:53,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:06:53,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:06:53,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:06:53,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:06:53,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:06:53,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:06:53,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2024-05-30 13:06:53,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:06:53,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:06:53,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:06:53,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:06:53,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:06:53,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:06:53,928 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:08:56,275 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3621 states. [2024-05-30 13:08:56,275 INFO L212 cStratifiedReduction]: Copied states 674 times. [2024-05-30 13:08:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:08:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:08:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:08:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:08:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:08:56,276 INFO L78 Accepts]: Start accepts. Automaton has currently 3533 states, but on-demand construction may add more states Word has length 72 [2024-05-30 13:08:56,277 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:08:56,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-30 13:08:56,277 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:08:56,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:08:56,277 INFO L85 PathProgramCache]: Analyzing trace with hash -510986957, now seen corresponding path program 3 times [2024-05-30 13:08:56,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:08:56,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447204272] [2024-05-30 13:08:56,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:08:56,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:08:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:08:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:08:56,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:08:56,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447204272] [2024-05-30 13:08:56,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447204272] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:08:56,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:08:56,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 13:08:56,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905467782] [2024-05-30 13:08:56,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:08:56,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 13:08:56,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:08:56,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 13:08:56,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-05-30 13:08:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:56,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:08:56,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2024-05-30 13:08:56,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:56,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:08:56,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:08:56,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:08:56,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:08:56,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:08:56,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:56,613 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:11:26,686 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 4212 states. [2024-05-30 13:11:26,687 INFO L212 cStratifiedReduction]: Copied states 726 times. [2024-05-30 13:11:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:11:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:11:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:11:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:11:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:11:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:11:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:11:26,691 INFO L78 Accepts]: Start accepts. Automaton has currently 4126 states, but on-demand construction may add more states Word has length 66 [2024-05-30 13:11:26,691 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:11:26,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-30 13:11:26,692 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:11:26,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:11:26,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1022714564, now seen corresponding path program 1 times [2024-05-30 13:11:26,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:11:26,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149402901] [2024-05-30 13:11:26,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:11:26,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:11:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:11:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:11:27,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:11:27,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149402901] [2024-05-30 13:11:27,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149402901] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:11:27,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:11:27,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-05-30 13:11:27,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001774026] [2024-05-30 13:11:27,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:11:27,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-30 13:11:27,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:11:27,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-30 13:11:27,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-05-30 13:11:27,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:11:27,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:11:27,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 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) [2024-05-30 13:11:27,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:11:27,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:11:27,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:11:27,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:11:27,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:11:27,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:11:27,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:11:27,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:11:27,106 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:14:22,618 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5764 states. [2024-05-30 13:14:22,618 INFO L212 cStratifiedReduction]: Copied states 1165 times. [2024-05-30 13:14:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:14:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:14:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:14:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:14:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:14:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:14:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:14:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-30 13:14:22,619 INFO L78 Accepts]: Start accepts. Automaton has currently 5510 states, but on-demand construction may add more states Word has length 67 [2024-05-30 13:14:22,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:14:22,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-30 13:14:22,620 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:14:22,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:14:22,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2017480428, now seen corresponding path program 1 times [2024-05-30 13:14:22,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:14:22,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982595398] [2024-05-30 13:14:22,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:14:22,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:14:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:14:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:14:22,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:14:22,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982595398] [2024-05-30 13:14:22,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982595398] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:14:22,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:14:22,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 13:14:22,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461957738] [2024-05-30 13:14:22,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:14:22,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 13:14:22,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:14:22,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 13:14:22,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-30 13:14:22,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:14:22,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:14:22,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-30 13:14:22,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:14:22,872 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 13:17:23,426 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 [2024-05-30 13:17:23,427 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6724 states. [2024-05-30 13:17:23,427 INFO L212 cStratifiedReduction]: Copied states 1226 times. [2024-05-30 13:17:23,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-30 13:17:23,427 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-10-3-3-3-2-3-2-1 context. [2024-05-30 13:17:23,427 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:17:23,442 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 13:17:23,442 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 13:17:23,466 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-05-30 13:17:23,467 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (2/5) [2024-05-30 13:17:23,468 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 13:17:23,468 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 13:17:23,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 01:17:23 BasicIcfg [2024-05-30 13:17:23,471 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 13:17:23,471 INFO L158 Benchmark]: Toolchain (without parser) took 853823.94ms. Allocated memory was 162.5MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 89.3MB in the beginning and 654.3MB in the end (delta: -565.0MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2024-05-30 13:17:23,471 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 162.5MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 13:17:23,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.41ms. Allocated memory was 162.5MB in the beginning and 287.3MB in the end (delta: 124.8MB). Free memory was 89.1MB in the beginning and 249.6MB in the end (delta: -160.4MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2024-05-30 13:17:23,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.70ms. Allocated memory is still 287.3MB. Free memory was 249.6MB in the beginning and 247.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 13:17:23,472 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 287.3MB. Free memory was 246.4MB in the beginning and 244.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 13:17:23,472 INFO L158 Benchmark]: RCFGBuilder took 554.22ms. Allocated memory is still 287.3MB. Free memory was 244.9MB in the beginning and 211.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2024-05-30 13:17:23,472 INFO L158 Benchmark]: TraceAbstraction took 852666.80ms. Allocated memory was 287.3MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 210.3MB in the beginning and 654.3MB in the end (delta: -444.1MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2024-05-30 13:17:23,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 162.5MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 514.41ms. Allocated memory was 162.5MB in the beginning and 287.3MB in the end (delta: 124.8MB). Free memory was 89.1MB in the beginning and 249.6MB in the end (delta: -160.4MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.70ms. Allocated memory is still 287.3MB. Free memory was 249.6MB in the beginning and 247.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 287.3MB. Free memory was 246.4MB in the beginning and 244.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 554.22ms. Allocated memory is still 287.3MB. Free memory was 244.9MB in the beginning and 211.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 852666.80ms. Allocated memory was 287.3MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 210.3MB in the beginning and 654.3MB in the end (delta: -444.1MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 16579730.9s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 50341, independent: 48117, independent conditional: 48117, independent unconditional: 0, dependent: 1928, dependent conditional: 1928, dependent unconditional: 0, unknown: 296, unknown conditional: 296, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49737, independent: 48117, independent conditional: 48117, independent unconditional: 0, dependent: 1324, dependent conditional: 1324, dependent unconditional: 0, unknown: 296, unknown conditional: 296, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 49737, independent: 48117, independent conditional: 48117, independent unconditional: 0, dependent: 1324, dependent conditional: 1324, dependent unconditional: 0, unknown: 296, unknown conditional: 296, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60429, independent: 48117, independent conditional: 0, independent unconditional: 48117, dependent: 9967, dependent conditional: 8643, dependent unconditional: 1324, unknown: 2345, unknown conditional: 2049, unknown unconditional: 296] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 60429, independent: 48117, independent conditional: 0, independent unconditional: 48117, dependent: 9967, dependent conditional: 0, dependent unconditional: 9967, unknown: 2345, unknown conditional: 0, unknown unconditional: 2345] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 60429, independent: 48117, independent conditional: 0, independent unconditional: 48117, dependent: 9967, dependent conditional: 0, dependent unconditional: 9967, unknown: 2345, unknown conditional: 0, unknown unconditional: 2345] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 49737, independent: 48117, independent conditional: 0, independent unconditional: 48117, dependent: 1324, dependent conditional: 0, dependent unconditional: 1324, unknown: 296, unknown conditional: 0, unknown unconditional: 296] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 49737, independent: 47809, independent conditional: 0, independent unconditional: 47809, dependent: 1928, dependent conditional: 0, dependent unconditional: 1928, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1928, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 1324, dependent conditional: 0, dependent unconditional: 1324, unknown: 296, unknown conditional: 0, unknown unconditional: 296] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1928, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 1324, dependent conditional: 0, dependent unconditional: 1324, unknown: 296, unknown conditional: 0, unknown unconditional: 296] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1928, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 1324, dependent conditional: 0, dependent unconditional: 1324, unknown: 296, unknown conditional: 0, unknown unconditional: 296] , SemanticIndependenceRelation.Query Time [ms]: [ total: 398475, independent: 76108, independent conditional: 0, independent unconditional: 76108, dependent: 21215, dependent conditional: 0, dependent unconditional: 21215, unknown: 301152, unknown conditional: 0, unknown unconditional: 301152] , Protected Queries: 0 ], Cache Queries: [ total: 60429, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8643, dependent conditional: 0, dependent unconditional: 8643, unknown: 51786, unknown conditional: 0, unknown unconditional: 51786] , Statistics on independence cache: Total cache size (in pairs): 49441, Positive cache size: 48117, Positive conditional cache size: 0, Positive unconditional cache size: 48117, Negative cache size: 1324, Negative conditional cache size: 0, Negative unconditional cache size: 1324, Unknown cache size: 296, Unknown conditional cache size: 0, Unknown unconditional cache size: 296, Eliminated conditions: 10692, Maximal queried relation: 9, Independence queries for same thread: 604 - StatisticsResult: Reduction benchmarks 41.2ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 103, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 1065.6ms Time before loop, 0.0ms Time in loop, 1.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 189, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 8074.5ms Time before loop, 0.0ms Time in loop, 8.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 640, Duplicate States: 40, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 13941.5ms Time before loop, 0.0ms Time in loop, 13.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1014, Duplicate States: 108, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 76673.1ms Time before loop, 0.0ms Time in loop, 76.7s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 2527, Duplicate States: 486, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 121124.9ms Time before loop, 0.0ms Time in loop, 121.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3416, Duplicate States: 641, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 122346.7ms Time before loop, 0.0ms Time in loop, 122.3s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3621, Duplicate States: 674, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 150073.0ms Time before loop, 0.0ms Time in loop, 150.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 4212, Duplicate States: 726, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 175512.0ms Time before loop, 0.0ms Time in loop, 175.5s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5764, Duplicate States: 1165, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 180554.2ms Time before loop, 0.0ms Time in loop, 180.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 6724, Duplicate States: 1226, Protected Variables: 13 - StatisticsResult: Visitor Statistics States: 61, Transitions: 60, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 148, Transitions: 148, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 596, Transitions: 681, Traversal time: 8.1s - StatisticsResult: Visitor Statistics States: 964, Transitions: 1124, Traversal time: 13.9s - StatisticsResult: Visitor Statistics States: 2438, Transitions: 3026, Traversal time: 76.7s - StatisticsResult: Visitor Statistics States: 3308, Transitions: 4083, Traversal time: 121.1s - StatisticsResult: Visitor Statistics States: 3512, Transitions: 4332, Traversal time: 122.3s - StatisticsResult: Visitor Statistics States: 4094, Transitions: 5009, Traversal time: 150.1s - StatisticsResult: Visitor Statistics States: 5625, Transitions: 6619, Traversal time: 175.5s - StatisticsResult: Visitor Statistics States: 6592, Transitions: 7405, Traversal time: 180.6s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 7, RedundantProofs: 1, ProvenStates: 511, Times there's more than one choice: 331, Avg number of choices: 2.5949119373776908 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-10-3-3-3-2-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: P1Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 113 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 113 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 852.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 849.5s, 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: 118, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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