/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/mix002.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 11:23:05,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 11:23:06,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 11:23:06,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 11:23:06,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 11:23:06,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 11:23:06,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 11:23:06,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 11:23:06,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 11:23:06,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 11:23:06,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 11:23:06,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 11:23:06,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 11:23:06,046 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 11:23:06,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 11:23:06,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 11:23:06,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 11:23:06,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 11:23:06,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 11:23:06,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 11:23:06,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 11:23:06,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 11:23:06,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 11:23:06,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 11:23:06,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 11:23:06,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 11:23:06,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 11:23:06,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 11:23:06,049 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 11:23:06,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 11:23:06,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 11:23:06,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 11:23:06,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 11:23:06,051 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 11:23:06,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 11:23:06,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 11:23:06,051 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 11:23:06,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 11:23:06,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 11:23:06,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 11:23:06,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 11:23:06,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 11:23:06,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 11:23:06,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 11:23:06,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 11:23:06,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 11:23:06,341 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 11:23:06,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002.opt.i [2024-05-30 11:23:07,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 11:23:07,816 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 11:23:07,817 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002.opt.i [2024-05-30 11:23:07,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c3546e89a/934121a73cab4284933be6772818dc4e/FLAG172c01668 [2024-05-30 11:23:07,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c3546e89a/934121a73cab4284933be6772818dc4e [2024-05-30 11:23:07,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 11:23:07,856 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 11:23:07,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 11:23:07,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 11:23:07,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 11:23:07,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 11:23:07" (1/1) ... [2024-05-30 11:23:07,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536931a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:07, skipping insertion in model container [2024-05-30 11:23:07,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 11:23:07" (1/1) ... [2024-05-30 11:23:07,917 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 11:23:08,111 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/mix002.opt.i[944,957] [2024-05-30 11:23:08,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 11:23:08,374 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 11:23:08,387 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/mix002.opt.i[944,957] [2024-05-30 11:23:08,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 11:23:08,479 INFO L206 MainTranslator]: Completed translation [2024-05-30 11:23:08,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08 WrapperNode [2024-05-30 11:23:08,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 11:23:08,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 11:23:08,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 11:23:08,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 11:23:08,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,565 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 152 [2024-05-30 11:23:08,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 11:23:08,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 11:23:08,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 11:23:08,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 11:23:08,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 11:23:08,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 11:23:08,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 11:23:08,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 11:23:08,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (1/1) ... [2024-05-30 11:23:08,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 11:23:08,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 11:23:08,634 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 11:23:08,644 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 11:23:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 11:23:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 11:23:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 11:23:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 11:23:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 11:23:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 11:23:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 11:23:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 11:23:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 11:23:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 11:23:08,722 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 11:23:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 11:23:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 11:23:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 11:23:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 11:23:08,724 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 11:23:08,881 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 11:23:08,883 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 11:23:09,163 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 11:23:09,268 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 11:23:09,269 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 11:23:09,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 11:23:09 BoogieIcfgContainer [2024-05-30 11:23:09,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 11:23:09,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 11:23:09,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 11:23:09,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 11:23:09,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 11:23:07" (1/3) ... [2024-05-30 11:23:09,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bedba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 11:23:09, skipping insertion in model container [2024-05-30 11:23:09,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 11:23:08" (2/3) ... [2024-05-30 11:23:09,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bedba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 11:23:09, skipping insertion in model container [2024-05-30 11:23:09,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 11:23:09" (3/3) ... [2024-05-30 11:23:09,281 INFO L112 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2024-05-30 11:23:09,289 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 11:23:09,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 11:23:09,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-30 11:23:09,295 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 11:23:09,352 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 11:23:09,391 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 11:23:09,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 11:23:09,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 11:23:09,398 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 11:23:09,402 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 11:23:09,441 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 11:23:09,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 11:23:09,455 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;@7708035b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 11:23:09,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 11:23:09,459 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 11:23:09,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 11:23:09,471 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 11:23:09,473 INFO L308 ceAbstractionStarter]: Result for error location P2Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/6) [2024-05-30 11:23:09,489 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 11:23:09,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 11:23:09,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 11:23:09,526 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 11:23:09,531 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 11:23:09,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 11:23:09,532 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;@7708035b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 11:23:09,533 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 11:23:09,536 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 11:23:09,545 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 11:23:09,583 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 150 states. [2024-05-30 11:23:09,583 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 11:23:09,586 INFO L78 Accepts]: Start accepts. Automaton has currently 152 states, but on-demand construction may add more states Word has length 75 [2024-05-30 11:23:09,589 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 11:23:09,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 11:23:09,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 11:23:09,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1919650645, now seen corresponding path program 1 times [2024-05-30 11:23:09,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 11:23:09,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18642358] [2024-05-30 11:23:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 11:23:09,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 11:23:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 11:23:09,925 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 11:23:09,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 11:23:09,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18642358] [2024-05-30 11:23:09,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18642358] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 11:23:09,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 11:23:09,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 11:23:09,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244082069] [2024-05-30 11:23:09,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 11:23:09,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 11:23:09,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 11:23:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 11:23:09,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 11:23:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:23:09,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 11:23:09,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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 11:23:09,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:23:09,960 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 11:23:48,674 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1047 states. [2024-05-30 11:23:48,674 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 11:23:48,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:23:48,675 INFO L78 Accepts]: Start accepts. Automaton has currently 1947 states, but on-demand construction may add more states Word has length 74 [2024-05-30 11:23:48,675 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 11:23:48,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 11:23:48,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 11:23:48,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 11:23:48,677 INFO L85 PathProgramCache]: Analyzing trace with hash -817490007, now seen corresponding path program 1 times [2024-05-30 11:23:48,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 11:23:48,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145164705] [2024-05-30 11:23:48,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 11:23:48,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 11:23:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 11:23:49,376 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 11:23:49,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 11:23:49,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145164705] [2024-05-30 11:23:49,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145164705] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 11:23:49,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 11:23:49,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 11:23:49,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477006994] [2024-05-30 11:23:49,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 11:23:49,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 11:23:49,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 11:23:49,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 11:23:49,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 11:23:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:23:49,381 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 11:23:49,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 11:23:49,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:23:49,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:23:49,382 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 11:27:14,983 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5240 states. [2024-05-30 11:27:14,983 INFO L212 cStratifiedReduction]: Copied states 555 times. [2024-05-30 11:27:14,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:27:14,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 11:27:14,983 INFO L78 Accepts]: Start accepts. Automaton has currently 6480 states, but on-demand construction may add more states Word has length 94 [2024-05-30 11:27:14,984 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 11:27:14,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 11:27:14,985 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 11:27:14,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 11:27:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1537563309, now seen corresponding path program 1 times [2024-05-30 11:27:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 11:27:14,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100030916] [2024-05-30 11:27:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 11:27:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 11:27:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 11:27:15,307 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 11:27:15,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 11:27:15,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100030916] [2024-05-30 11:27:15,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100030916] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 11:27:15,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 11:27:15,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 11:27:15,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885872816] [2024-05-30 11:27:15,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 11:27:15,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 11:27:15,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 11:27:15,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 11:27:15,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 11:27:15,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:27:15,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 11:27:15,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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 11:27:15,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:27:15,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 11:27:15,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:27:15,315 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 11:30:54,571 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5368 states. [2024-05-30 11:30:54,571 INFO L212 cStratifiedReduction]: Copied states 544 times. [2024-05-30 11:30:54,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:30:54,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 11:30:54,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 11:30:54,578 INFO L78 Accepts]: Start accepts. Automaton has currently 6853 states, but on-demand construction may add more states Word has length 94 [2024-05-30 11:30:54,581 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 11:30:54,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 11:30:54,581 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 11:30:54,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 11:30:54,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1570718117, now seen corresponding path program 2 times [2024-05-30 11:30:54,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 11:30:54,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917132601] [2024-05-30 11:30:54,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 11:30:54,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 11:30:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 11:30:54,879 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 11:30:54,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 11:30:54,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917132601] [2024-05-30 11:30:54,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917132601] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 11:30:54,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 11:30:54,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 11:30:54,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235948680] [2024-05-30 11:30:54,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 11:30:54,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 11:30:54,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 11:30:54,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 11:30:54,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-30 11:30:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:30:54,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 11:30:54,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 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 11:30:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:30:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 11:30:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 11:30:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:30:54,884 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 11:34:43,293 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5340 states. [2024-05-30 11:34:43,293 INFO L212 cStratifiedReduction]: Copied states 544 times. [2024-05-30 11:34:43,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:34:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 11:34:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 11:34:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-30 11:34:43,294 INFO L78 Accepts]: Start accepts. Automaton has currently 6797 states, but on-demand construction may add more states Word has length 97 [2024-05-30 11:34:43,295 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 11:34:43,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 11:34:43,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 11:34:43,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 11:34:43,296 INFO L85 PathProgramCache]: Analyzing trace with hash 20832503, now seen corresponding path program 1 times [2024-05-30 11:34:43,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 11:34:43,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753497279] [2024-05-30 11:34:43,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 11:34:43,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 11:34:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 11:34:43,606 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 11:34:43,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 11:34:43,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753497279] [2024-05-30 11:34:43,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753497279] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 11:34:43,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 11:34:43,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 11:34:43,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21108824] [2024-05-30 11:34:43,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 11:34:43,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 11:34:43,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 11:34:43,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 11:34:43,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-30 11:34:43,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:34:43,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 11:34:43,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 11:34:43,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:34:43,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 11:34:43,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 11:34:43,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-30 11:34:43,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 11:34:43,617 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 11:36:30,532 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2391 states. [2024-05-30 11:36:30,532 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 11:36:30,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 11:36:30,534 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 11:36:30,535 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-4-3-2-1 context. [2024-05-30 11:36:30,535 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 11:36:30,540 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 11:36:30,541 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 11:36:30,608 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-05-30 11:36:30,608 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (2/6) [2024-05-30 11:36:30,610 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 11:36:30,610 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 11:36:30,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 11:36:30 BasicIcfg [2024-05-30 11:36:30,790 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 11:36:30,791 INFO L158 Benchmark]: Toolchain (without parser) took 802937.62ms. Allocated memory was 259.0MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 188.6MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. [2024-05-30 11:36:30,791 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 259.0MB. Free memory is still 229.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 11:36:30,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.12ms. Allocated memory is still 259.0MB. Free memory was 188.1MB in the beginning and 163.4MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-05-30 11:36:30,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.58ms. Allocated memory is still 259.0MB. Free memory was 163.4MB in the beginning and 160.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 11:36:30,791 INFO L158 Benchmark]: Boogie Preprocessor took 36.26ms. Allocated memory is still 259.0MB. Free memory was 160.8MB in the beginning and 158.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 11:36:30,792 INFO L158 Benchmark]: RCFGBuilder took 665.89ms. Allocated memory is still 259.0MB. Free memory was 158.7MB in the beginning and 191.4MB in the end (delta: -32.7MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2024-05-30 11:36:30,792 INFO L158 Benchmark]: TraceAbstraction took 801519.15ms. Allocated memory was 259.0MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 190.3MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. [2024-05-30 11:36:30,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 259.0MB. Free memory is still 229.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 619.12ms. Allocated memory is still 259.0MB. Free memory was 188.1MB in the beginning and 163.4MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 84.58ms. Allocated memory is still 259.0MB. Free memory was 163.4MB in the beginning and 160.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.26ms. Allocated memory is still 259.0MB. Free memory was 160.8MB in the beginning and 158.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 665.89ms. Allocated memory is still 259.0MB. Free memory was 158.7MB in the beginning and 191.4MB in the end (delta: -32.7MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * TraceAbstraction took 801519.15ms. Allocated memory was 259.0MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 190.3MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 4.6GB. 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: 16573729.5s - 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: 54566, independent: 52692, independent conditional: 52692, independent unconditional: 0, dependent: 1874, dependent conditional: 1874, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52703, independent: 52692, independent conditional: 52692, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 52703, independent: 52692, independent conditional: 52692, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52734, independent: 52692, independent conditional: 0, independent unconditional: 52692, dependent: 42, dependent conditional: 31, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52734, independent: 52692, independent conditional: 0, independent unconditional: 52692, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52734, independent: 52692, independent conditional: 0, independent unconditional: 52692, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52703, independent: 52692, independent conditional: 0, independent unconditional: 52692, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52703, independent: 52322, independent conditional: 0, independent unconditional: 52322, dependent: 381, dependent conditional: 0, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 381, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 381, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3471, independent: 3431, independent conditional: 0, independent unconditional: 3431, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 52734, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 52703, unknown conditional: 0, unknown unconditional: 52703] , Statistics on independence cache: Total cache size (in pairs): 52703, Positive cache size: 52692, Positive conditional cache size: 0, Positive unconditional cache size: 52692, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31, Maximal queried relation: 4, Independence queries for same thread: 1863 - StatisticsResult: Reduction benchmarks 46.6ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 150, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 38713.6ms Time before loop, 0.0ms Time in loop, 38.7s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1047, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 205599.9ms Time before loop, 0.0ms Time in loop, 205.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5240, Duplicate States: 555, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 219255.0ms Time before loop, 0.0ms Time in loop, 219.3s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5368, Duplicate States: 544, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 228408.5ms Time before loop, 0.0ms Time in loop, 228.4s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5340, Duplicate States: 544, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 106915.1ms Time before loop, 0.0ms Time in loop, 106.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 2391, Duplicate States: 0, Protected Variables: 4 - StatisticsResult: Visitor Statistics States: 76, Transitions: 75, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 975, Transitions: 975, Traversal time: 38.7s - StatisticsResult: Visitor Statistics States: 5151, Transitions: 5193, Traversal time: 205.6s - StatisticsResult: Visitor Statistics States: 5289, Transitions: 5303, Traversal time: 219.3s - StatisticsResult: Visitor Statistics States: 5266, Transitions: 5283, Traversal time: 228.4s - StatisticsResult: Visitor Statistics States: 2338, Transitions: 2340, Traversal time: 106.9s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 7, RedundantProofs: 4, ProvenStates: 22, Times there's more than one choice: 12, Avg number of choices: 2.1818181818181817 - 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 ∧-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-4-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: P2Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 151 locations, 6 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 7 procedures, 151 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 801.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 799.0s, 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: 43, 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, 1.5s InterpolantComputationTime, 434 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 429 ConstructedInterpolants, 0 QuantifiedInterpolants, 934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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