/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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 08:19:58,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 08:19:58,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 08:19:58,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 08:19:58,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 08:19:58,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 08:19:58,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 08:19:58,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 08:19:58,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 08:19:58,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 08:19:58,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 08:19:58,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 08:19:58,227 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 08:19:58,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 08:19:58,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 08:19:58,228 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 08:19:58,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 08:19:58,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 08:19:58,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 08:19:58,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 08:19:58,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 08:19:58,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 08:19:58,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 08:19:58,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 08:19:58,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 08:19:58,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 08:19:58,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 08:19:58,230 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 08:19:58,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 08:19:58,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:19:58,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 08:19:58,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 08:19:58,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 08:19:58,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 08:19:58,233 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 08:19:58,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 08:19:58,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 08:19:58,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 08:19:58,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 08:19:58,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 08:19:58,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 08:19:58,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 08:19:58,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 08:19:58,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 08:19:58,466 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 08:19:58,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-05-03 08:19:59,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 08:19:59,647 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 08:19:59,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-05-03 08:19:59,653 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/da8e88ce3/6751095433f24e48a1e8f571059559f8/FLAGc08d99724 [2024-05-03 08:19:59,663 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/da8e88ce3/6751095433f24e48a1e8f571059559f8 [2024-05-03 08:19:59,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 08:19:59,666 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 08:19:59,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 08:19:59,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 08:19:59,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 08:19:59,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35002f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59, skipping insertion in model container [2024-05-03 08:19:59,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 08:19:59,819 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2024-05-03 08:19:59,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:19:59,828 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 08:19:59,847 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2024-05-03 08:19:59,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:19:59,858 INFO L206 MainTranslator]: Completed translation [2024-05-03 08:19:59,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59 WrapperNode [2024-05-03 08:19:59,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 08:19:59,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 08:19:59,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 08:19:59,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 08:19:59,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,911 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2024-05-03 08:19:59,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 08:19:59,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 08:19:59,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 08:19:59,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 08:19:59,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 08:19:59,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 08:19:59,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 08:19:59,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 08:19:59,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (1/1) ... [2024-05-03 08:19:59,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:19:59,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:19:59,983 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) [2024-05-03 08:20:00,017 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 [2024-05-03 08:20:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 08:20:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 08:20:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 08:20:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 08:20:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 08:20:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 08:20:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 08:20:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 08:20:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 08:20:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 08:20:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 08:20:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 08:20:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 08:20:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 08:20:00,045 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 08:20:00,129 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 08:20:00,130 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 08:20:00,312 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 08:20:00,335 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 08:20:00,335 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-03 08:20:00,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:20:00 BoogieIcfgContainer [2024-05-03 08:20:00,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 08:20:00,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 08:20:00,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 08:20:00,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 08:20:00,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 08:19:59" (1/3) ... [2024-05-03 08:20:00,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3466a3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:20:00, skipping insertion in model container [2024-05-03 08:20:00,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:19:59" (2/3) ... [2024-05-03 08:20:00,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3466a3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:20:00, skipping insertion in model container [2024-05-03 08:20:00,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:20:00" (3/3) ... [2024-05-03 08:20:00,342 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-05-03 08:20:00,348 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 08:20:00,355 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 08:20:00,355 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 08:20:00,355 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 08:20:00,389 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 08:20:00,417 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:20:00,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:20:00,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:20:00,420 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) [2024-05-03 08:20:00,425 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 [2024-05-03 08:20:00,448 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:20:00,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 08:20:00,457 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=LoopHeads, 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;@3cfc3d45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:20:00,457 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:20:00,519 INFO L78 Accepts]: Start accepts. Automaton has currently 129 states, but on-demand construction may add more states Word has length 64 [2024-05-03 08:20:00,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:20:00,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:20:00,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:20:00,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1144373803, now seen corresponding path program 1 times [2024-05-03 08:20:00,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:20:00,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250522144] [2024-05-03 08:20:00,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:20:00,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:20:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:20:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:00,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:20:00,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250522144] [2024-05-03 08:20:00,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250522144] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:20:00,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:20:00,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 08:20:00,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821923791] [2024-05-03 08:20:00,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:20:00,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 08:20:00,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:20:00,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 08:20:00,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 08:20:00,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:00,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:20:00,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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) [2024-05-03 08:20:00,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:00,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:00,803 INFO L78 Accepts]: Start accepts. Automaton has currently 129 states, but on-demand construction may add more states Word has length 62 [2024-05-03 08:20:00,803 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:20:00,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 08:20:00,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:20:00,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:20:00,804 INFO L85 PathProgramCache]: Analyzing trace with hash -332283311, now seen corresponding path program 1 times [2024-05-03 08:20:00,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:20:00,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834943578] [2024-05-03 08:20:00,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:20:00,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:20:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:20:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:01,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:20:01,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834943578] [2024-05-03 08:20:01,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834943578] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:20:01,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:20:01,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-05-03 08:20:01,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63295957] [2024-05-03 08:20:01,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:20:01,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-03 08:20:01,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:20:01,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-03 08:20:01,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-05-03 08:20:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:01,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:20:01,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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) [2024-05-03 08:20:01,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:01,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:01,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:01,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:20:01,780 INFO L78 Accepts]: Start accepts. Automaton has currently 110 states, but on-demand construction may add more states Word has length 67 [2024-05-03 08:20:01,781 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:20:01,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 08:20:01,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:20:01,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:20:01,783 INFO L85 PathProgramCache]: Analyzing trace with hash 233227766, now seen corresponding path program 1 times [2024-05-03 08:20:01,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:20:01,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016472877] [2024-05-03 08:20:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:20:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:20:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:20:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:02,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:20:02,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016472877] [2024-05-03 08:20:02,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016472877] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:20:02,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734626128] [2024-05-03 08:20:02,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:20:02,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:20:02,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:20:02,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:20:02,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 08:20:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:20:02,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-03 08:20:02,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:20:02,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:02,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:20:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:03,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734626128] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:20:03,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:20:03,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 35 [2024-05-03 08:20:03,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975741850] [2024-05-03 08:20:03,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:20:03,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-03 08:20:03,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:20:03,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-03 08:20:03,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1008, Unknown=0, NotChecked=0, Total=1190 [2024-05-03 08:20:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:03,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:20:03,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.7142857142857144) internal successors, (130), 35 states have internal predecessors, (130), 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) [2024-05-03 08:20:03,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:03,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:20:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:20:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:20:03,508 INFO L78 Accepts]: Start accepts. Automaton has currently 127 states, but on-demand construction may add more states Word has length 72 [2024-05-03 08:20:03,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:20:03,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 08:20:03,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-03 08:20:03,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:20:03,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:20:03,717 INFO L85 PathProgramCache]: Analyzing trace with hash -311737999, now seen corresponding path program 2 times [2024-05-03 08:20:03,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:20:03,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334112164] [2024-05-03 08:20:03,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:20:03,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:20:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:20:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:04,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:20:04,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334112164] [2024-05-03 08:20:04,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334112164] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:20:04,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064288674] [2024-05-03 08:20:04,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:20:04,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:20:04,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:20:04,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:20:04,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 08:20:04,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:20:04,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:20:04,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-03 08:20:04,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:20:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:04,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:20:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:05,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064288674] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:20:05,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:20:05,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 46 [2024-05-03 08:20:05,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387623876] [2024-05-03 08:20:05,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:20:05,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-03 08:20:05,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:20:05,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-03 08:20:05,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1835, Unknown=0, NotChecked=0, Total=2070 [2024-05-03 08:20:05,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:05,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:20:05,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.391304347826087) internal successors, (156), 46 states have internal predecessors, (156), 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) [2024-05-03 08:20:05,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:05,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:20:05,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:20:05,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:05,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:20:05,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:20:05,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 08:20:05,873 INFO L78 Accepts]: Start accepts. Automaton has currently 133 states, but on-demand construction may add more states Word has length 82 [2024-05-03 08:20:05,874 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:20:05,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 08:20:06,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:20:06,075 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:20:06,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:20:06,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1935124335, now seen corresponding path program 3 times [2024-05-03 08:20:06,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:20:06,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29214920] [2024-05-03 08:20:06,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:20:06,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:20:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:20:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-03 08:20:06,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:20:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29214920] [2024-05-03 08:20:06,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29214920] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:20:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439886118] [2024-05-03 08:20:06,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:20:06,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:20:06,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:20:06,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:20:06,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 08:20:06,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-03 08:20:06,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:20:06,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-03 08:20:06,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:20:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:07,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:20:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:08,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439886118] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:20:08,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:20:08,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 25, 25] total 60 [2024-05-03 08:20:08,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661625441] [2024-05-03 08:20:08,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:20:08,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-03 08:20:08,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:20:08,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-03 08:20:08,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=3218, Unknown=0, NotChecked=0, Total=3540 [2024-05-03 08:20:08,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:08,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:20:08,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.0) internal successors, (180), 60 states have internal predecessors, (180), 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) [2024-05-03 08:20:08,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:08,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:20:08,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:20:08,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 08:20:08,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:20:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:20:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:20:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-03 08:20:10,052 INFO L78 Accepts]: Start accepts. Automaton has currently 189 states, but on-demand construction may add more states Word has length 102 [2024-05-03 08:20:10,053 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:20:10,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 08:20:10,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:20:10,254 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:20:10,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:20:10,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1064639601, now seen corresponding path program 1 times [2024-05-03 08:20:10,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:20:10,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587460110] [2024-05-03 08:20:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:20:10,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:20:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:20:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-05-03 08:20:10,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:20:10,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587460110] [2024-05-03 08:20:10,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587460110] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:20:10,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993021550] [2024-05-03 08:20:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:20:10,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:20:10,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:20:10,760 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:20:10,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 08:20:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:20:10,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 59 conjunts are in the unsatisfiable core [2024-05-03 08:20:10,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:20:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:20:11,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:20:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-05-03 08:20:12,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993021550] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:20:12,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:20:12,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 35, 21] total 62 [2024-05-03 08:20:12,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473271575] [2024-05-03 08:20:12,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:20:12,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-05-03 08:20:12,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:20:12,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-05-03 08:20:12,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=3549, Unknown=0, NotChecked=0, Total=3782 [2024-05-03 08:20:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:12,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:20:12,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.5161290322580645) internal successors, (156), 62 states have internal predecessors, (156), 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) [2024-05-03 08:20:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:20:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:20:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-03 08:20:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-03 08:20:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:24,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:20:24,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 08:20:24,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 08:20:24,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 08:20:24,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-05-03 08:20:24,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-03 08:20:24,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 08:20:24,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 08:20:24,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-03 08:20:24,546 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-05-03 08:20:24,547 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2024-05-03 08:20:24,552 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:20:24,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:20:24,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:20:24,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 08:20:24,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-05-03 08:20:24,572 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:20:24,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 08:20:24,573 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=LoopHeads, 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;@3cfc3d45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:20:24,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:20:24,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 08:20:24,578 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 08:20:24,578 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2024-05-03 08:20:24,580 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:20:24,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:20:24,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:20:24,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 08:20:24,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-05-03 08:20:24,588 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:20:24,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 08:20:24,592 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=LoopHeads, 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;@3cfc3d45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:20:24,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:20:24,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 08:20:24,594 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 08:20:24,594 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2024-05-03 08:20:24,595 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 08:20:24,595 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 08:20:24,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:20:24 BasicIcfg [2024-05-03 08:20:24,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 08:20:24,598 INFO L158 Benchmark]: Toolchain (without parser) took 24932.16ms. Allocated memory was 241.2MB in the beginning and 528.5MB in the end (delta: 287.3MB). Free memory was 169.7MB in the beginning and 281.7MB in the end (delta: -112.0MB). Peak memory consumption was 175.9MB. Max. memory is 8.0GB. [2024-05-03 08:20:24,598 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 163.6MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 08:20:24,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.66ms. Allocated memory is still 241.2MB. Free memory was 169.5MB in the beginning and 158.1MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-03 08:20:24,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.10ms. Allocated memory is still 241.2MB. Free memory was 158.0MB in the beginning and 210.6MB in the end (delta: -52.6MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2024-05-03 08:20:24,598 INFO L158 Benchmark]: Boogie Preprocessor took 15.81ms. Allocated memory is still 241.2MB. Free memory was 210.6MB in the beginning and 209.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 08:20:24,598 INFO L158 Benchmark]: RCFGBuilder took 407.15ms. Allocated memory is still 241.2MB. Free memory was 209.4MB in the beginning and 194.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-03 08:20:24,599 INFO L158 Benchmark]: TraceAbstraction took 24259.58ms. Allocated memory was 241.2MB in the beginning and 528.5MB in the end (delta: 287.3MB). Free memory was 193.1MB in the beginning and 281.7MB in the end (delta: -88.5MB). Peak memory consumption was 198.2MB. Max. memory is 8.0GB. [2024-05-03 08:20:24,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 163.6MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 192.66ms. Allocated memory is still 241.2MB. Free memory was 169.5MB in the beginning and 158.1MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.10ms. Allocated memory is still 241.2MB. Free memory was 158.0MB in the beginning and 210.6MB in the end (delta: -52.6MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.81ms. Allocated memory is still 241.2MB. Free memory was 210.6MB in the beginning and 209.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 407.15ms. Allocated memory is still 241.2MB. Free memory was 209.4MB in the beginning and 194.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 24259.58ms. Allocated memory was 241.2MB in the beginning and 528.5MB in the end (delta: 287.3MB). Free memory was 193.1MB in the beginning and 281.7MB in the end (delta: -88.5MB). Peak memory consumption was 198.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10702, independent: 9888, independent conditional: 9888, independent unconditional: 0, dependent: 814, dependent conditional: 814, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9888, independent: 9888, independent conditional: 9888, 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: 9888, independent: 9888, independent conditional: 9888, 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: 9888, independent: 9888, independent conditional: 0, independent unconditional: 9888, 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: 9888, independent: 9888, independent conditional: 0, independent unconditional: 9888, 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: 9888, independent: 9888, independent conditional: 0, independent unconditional: 9888, 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: 260, independent: 260, independent conditional: 0, independent unconditional: 260, 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: 260, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9888, independent: 9628, independent conditional: 0, independent unconditional: 9628, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 260, unknown conditional: 0, unknown unconditional: 260] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 260, Positive conditional cache size: 0, Positive unconditional cache size: 260, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 814 - StatisticsResult: Visitor Statistics States: 109, Transitions: 118, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 109, Transitions: 114, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 84, Transitions: 86, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 95, Transitions: 97, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 89, Transitions: 90, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 131, Transitions: 133, Traversal time: 2.0s - StatisticsResult: Visitor Statistics States: 5898, Transitions: 6152, Traversal time: 12.3s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 85, independent: 66, independent conditional: 66, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, independent: 66, independent conditional: 66, 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: 66, independent: 66, independent conditional: 66, 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: 66, independent: 66, independent conditional: 0, independent unconditional: 66, 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: 66, independent: 66, independent conditional: 0, independent unconditional: 66, 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: 66, independent: 66, independent conditional: 0, independent unconditional: 66, 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: 66, independent: 66, independent conditional: 0, independent unconditional: 66, 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: 66, independent: 66, independent conditional: 0, independent unconditional: 66, 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: 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: 66, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 66, unknown conditional: 0, unknown unconditional: 66] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 19 - StatisticsResult: Visitor Statistics States: 92, Transitions: 104, Traversal time: 0.0s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, 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: 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: 1 - StatisticsResult: Visitor Statistics States: 32, Transitions: 32, Traversal time: 0.0s - PositiveResult [Line: 76]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 106 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 15.7s, 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: 509, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 772 NumberOfCodeBlocks, 772 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1081 ConstructedInterpolants, 0 QuantifiedInterpolants, 7703 SizeOfPredicates, 68 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 103/390 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 106 locations, 3 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 thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 106 locations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-03 08:20:24,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2024-05-03 08:20:24,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2024-05-03 08:20:25,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-03 08:20:25,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...