/usr/lib/jvm/java-1.11.0-openjdk-amd64/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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 22:33:41,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 22:33:41,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 22:33:41,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 22:33:41,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 22:33:41,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 22:33:41,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 22:33:41,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 22:33:41,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 22:33:41,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 22:33:41,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 22:33:41,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 22:33:41,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 22:33:41,567 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 22:33:41,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 22:33:41,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 22:33:41,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 22:33:41,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 22:33:41,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 22:33:41,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 22:33:41,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 22:33:41,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 22:33:41,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 22:33:41,568 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 22:33:41,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 22:33:41,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 22:33:41,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 22:33:41,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 22:33:41,569 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 22:33:41,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 22:33:41,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 22:33:41,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 22:33:41,571 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 22:33:41,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 22:33:41,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 22:33:41,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 22:33:41,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 22:33:41,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 22:33:41,772 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 22:33:41,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-25 22:33:42,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 22:33:42,958 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 22:33:42,958 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-25 22:33:42,970 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3a9121a25/b4816d03749245edb2c112d2ae73d8b6/FLAG680c5b72d [2024-01-25 22:33:42,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3a9121a25/b4816d03749245edb2c112d2ae73d8b6 [2024-01-25 22:33:42,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 22:33:42,985 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 22:33:42,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 22:33:42,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 22:33:42,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 22:33:42,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 10:33:42" (1/1) ... [2024-01-25 22:33:42,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3300afa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:42, skipping insertion in model container [2024-01-25 22:33:42,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 10:33:42" (1/1) ... [2024-01-25 22:33:43,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 22:33:43,159 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-01-25 22:33:43,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 22:33:43,287 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 22:33:43,298 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-01-25 22:33:43,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 22:33:43,352 INFO L206 MainTranslator]: Completed translation [2024-01-25 22:33:43,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43 WrapperNode [2024-01-25 22:33:43,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 22:33:43,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 22:33:43,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 22:33:43,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 22:33:43,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,391 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-01-25 22:33:43,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 22:33:43,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 22:33:43,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 22:33:43,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 22:33:43,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 22:33:43,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 22:33:43,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 22:33:43,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 22:33:43,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (1/1) ... [2024-01-25 22:33:43,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 22:33:43,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 22:33:43,469 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) [2024-01-25 22:33:43,489 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 [2024-01-25 22:33:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 22:33:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-25 22:33:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 22:33:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 22:33:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 22:33:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-25 22:33:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-25 22:33:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-25 22:33:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-25 22:33:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-25 22:33:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-25 22:33:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 22:33:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-25 22:33:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 22:33:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 22:33:43,496 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-25 22:33:43,586 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 22:33:43,587 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 22:33:43,721 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 22:33:43,727 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-25 22:33:43,727 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-25 22:33:43,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 10:33:43 BoogieIcfgContainer [2024-01-25 22:33:43,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-25 22:33:43,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-25 22:33:43,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-25 22:33:43,730 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-25 22:33:43,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 10:33:42" (1/3) ... [2024-01-25 22:33:43,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3189576f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 10:33:43, skipping insertion in model container [2024-01-25 22:33:43,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:33:43" (2/3) ... [2024-01-25 22:33:43,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3189576f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 10:33:43, skipping insertion in model container [2024-01-25 22:33:43,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 10:33:43" (3/3) ... [2024-01-25 22:33:43,732 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-25 22:33:43,737 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-25 22:33:43,743 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-25 22:33:43,744 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-25 22:33:43,744 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-25 22:33:43,810 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-25 22:33:43,843 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 22:33:43,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 22:33:43,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 22:33:43,846 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) [2024-01-25 22:33:43,870 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 [2024-01-25 22:33:43,883 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 22:33:43,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 22:33:43,893 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;@1b9ddacb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 22:33:43,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-25 22:33:43,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:33:43,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:33:43,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1672432172, now seen corresponding path program 1 times [2024-01-25 22:33:43,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:33:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101025459] [2024-01-25 22:33:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:33:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:33:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:33:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:33:44,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:33:44,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101025459] [2024-01-25 22:33:44,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101025459] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:33:44,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:33:44,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-25 22:33:44,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728382627] [2024-01-25 22:33:44,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:33:44,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-25 22:33:44,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:33:44,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-25 22:33:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-25 22:33:44,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:44,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:33:44,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2024-01-25 22:33:44,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:44,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:44,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-25 22:33:44,806 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:33:44,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:33:44,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2096966358, now seen corresponding path program 1 times [2024-01-25 22:33:44,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:33:44,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36105707] [2024-01-25 22:33:44,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:33:44,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:33:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:33:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:33:45,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:33:45,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36105707] [2024-01-25 22:33:45,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36105707] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:33:45,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:33:45,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-25 22:33:45,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878562887] [2024-01-25 22:33:45,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:33:45,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-25 22:33:45,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:33:45,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-25 22:33:45,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-25 22:33:45,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:45,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:33:45,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-01-25 22:33:45,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:45,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:34:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:34:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-25 22:34:30,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-25 22:34:30,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:34:30,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:34:30,866 INFO L85 PathProgramCache]: Analyzing trace with hash 293706839, now seen corresponding path program 1 times [2024-01-25 22:34:30,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:34:30,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851425350] [2024-01-25 22:34:30,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:34:30,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:34:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:34:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:34:30,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:34:30,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851425350] [2024-01-25 22:34:30,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851425350] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:34:30,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:34:30,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-25 22:34:30,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442796705] [2024-01-25 22:34:30,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:34:30,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-25 22:34:30,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:34:30,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-25 22:34:30,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-01-25 22:34:30,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:34:30,992 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:34:30,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2024-01-25 22:34:30,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:34:30,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-25 22:34:30,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:40:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:40:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-25 22:40:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-25 22:40:18,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-25 22:40:18,076 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:40:18,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:40:18,076 INFO L85 PathProgramCache]: Analyzing trace with hash 239832175, now seen corresponding path program 1 times [2024-01-25 22:40:18,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:40:18,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014871787] [2024-01-25 22:40:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:40:18,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:40:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:40:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:40:18,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:40:18,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014871787] [2024-01-25 22:40:18,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014871787] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:40:18,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:40:18,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-25 22:40:18,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209233819] [2024-01-25 22:40:18,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:40:18,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-25 22:40:18,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:40:18,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-25 22:40:18,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-01-25 22:40:18,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:40:18,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:40:18,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 22:40:18,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:40:18,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-25 22:40:18,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-25 22:40:18,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-01-25 22:48:22,421 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 [2024-01-25 22:48:22,422 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 [2024-01-25 22:48:22,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-25 22:48:22,567 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-25 22:48:22,569 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 22:48:22,656 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-25 22:48:22,657 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-25 22:48:22,660 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-25 22:48:22,661 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-25 22:48:22,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 10:48:22 BasicIcfg [2024-01-25 22:48:22,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-25 22:48:22,665 INFO L158 Benchmark]: Toolchain (without parser) took 879678.82ms. Allocated memory was 233.8MB in the beginning and 463.5MB in the end (delta: 229.6MB). Free memory was 187.4MB in the beginning and 64.8MB in the end (delta: 122.5MB). Peak memory consumption was 399.9MB. Max. memory is 8.0GB. [2024-01-25 22:48:22,665 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 22:48:22,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.92ms. Allocated memory is still 233.8MB. Free memory was 187.4MB in the beginning and 166.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-01-25 22:48:22,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.72ms. Allocated memory is still 233.8MB. Free memory was 166.4MB in the beginning and 164.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 22:48:22,668 INFO L158 Benchmark]: Boogie Preprocessor took 16.88ms. Allocated memory is still 233.8MB. Free memory was 164.3MB in the beginning and 163.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-25 22:48:22,673 INFO L158 Benchmark]: RCFGBuilder took 315.45ms. Allocated memory is still 233.8MB. Free memory was 162.7MB in the beginning and 148.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-01-25 22:48:22,674 INFO L158 Benchmark]: TraceAbstraction took 878935.48ms. Allocated memory was 233.8MB in the beginning and 463.5MB in the end (delta: 229.6MB). Free memory was 148.1MB in the beginning and 64.8MB in the end (delta: 83.2MB). Peak memory consumption was 361.1MB. Max. memory is 8.0GB. [2024-01-25 22:48:22,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 364.92ms. Allocated memory is still 233.8MB. Free memory was 187.4MB in the beginning and 166.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.72ms. Allocated memory is still 233.8MB. Free memory was 166.4MB in the beginning and 164.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.88ms. Allocated memory is still 233.8MB. Free memory was 164.3MB in the beginning and 163.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 315.45ms. Allocated memory is still 233.8MB. Free memory was 162.7MB in the beginning and 148.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 878935.48ms. Allocated memory was 233.8MB in the beginning and 463.5MB in the end (delta: 229.6MB). Free memory was 148.1MB in the beginning and 64.8MB in the end (delta: 83.2MB). Peak memory consumption was 361.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69486, independent: 69156, independent conditional: 69156, independent unconditional: 0, dependent: 330, dependent conditional: 330, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69482, independent: 69156, independent conditional: 69156, independent unconditional: 0, dependent: 326, dependent conditional: 326, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 69482, independent: 69156, independent conditional: 69156, independent unconditional: 0, dependent: 326, dependent conditional: 326, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70522, independent: 69156, independent conditional: 0, independent unconditional: 69156, dependent: 1366, dependent conditional: 1040, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70522, independent: 69156, independent conditional: 0, independent unconditional: 69156, dependent: 1366, dependent conditional: 0, dependent unconditional: 1366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70522, independent: 69156, independent conditional: 0, independent unconditional: 69156, dependent: 1366, dependent conditional: 0, dependent unconditional: 1366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69482, independent: 69156, independent conditional: 0, independent unconditional: 69156, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 69482, independent: 69156, independent conditional: 0, independent unconditional: 69156, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 326, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 326, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 326, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 287, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 287, dependent conditional: 0, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70522, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1040, dependent conditional: 0, dependent unconditional: 1040, unknown: 69482, unknown conditional: 0, unknown unconditional: 69482] , Statistics on independence cache: Total cache size (in pairs): 69482, Positive cache size: 69156, Positive conditional cache size: 0, Positive unconditional cache size: 69156, Negative cache size: 326, Negative conditional cache size: 0, Negative unconditional cache size: 326, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1040, Maximal queried relation: 4, Independence queries for same thread: 4 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 3, RedundantProofs: 2, ProvenStates: 19, Times there's more than one choice: 7, Avg number of choices: 1.5789473684210527 - StatisticsResult: Reduction benchmarks 347.1s Time before loop, 0.0s Time in loop, 347.1s Time in total, Has Loop: false, Protected Variables: [ULTIMATE.start___VERIFIER_assert_~expression#1, ~__unbuffered_p2_EAX~0, ~__unbuffered_p0_EAX~0, ~__unbuffered_p0_EBX~0, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ~main$tmp_guard1~0], Protected Variables before encountering a loop: [ULTIMATE.start___VERIFIER_assert_~expression#1, ~__unbuffered_p2_EAX~0, ~__unbuffered_p0_EAX~0, ~__unbuffered_p0_EBX~0, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ~main$tmp_guard1~0] - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 116 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 878.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 877.7s, 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: 34, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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