/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:14:36,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:14:36,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:14:36,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:14:36,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:14:36,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:14:36,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:14:36,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:14:36,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:14:36,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:14:36,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:14:36,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:14:36,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:14:36,160 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:14:36,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:14:36,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:14:36,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:14:36,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:14:36,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:14:36,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:14:36,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:14:36,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:14:36,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:14:36,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:14:36,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:14:36,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:14:36,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:14:36,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:14:36,165 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:14:36,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:14:36,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:14:36,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:14:36,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:14:36,167 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:14:36,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:14:36,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:14:36,167 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:14:36,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:14:36,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:14:36,167 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:14:36,168 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:14:36,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:14:36,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:14:36,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:14:36,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:14:36,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:14:36,395 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:14:36,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-05-30 16:14:37,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:14:37,527 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:14:37,528 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-05-30 16:14:37,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f79b7d287/186081d4469a4b4999de7372e3443caf/FLAG759b77996 [2024-05-30 16:14:37,556 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f79b7d287/186081d4469a4b4999de7372e3443caf [2024-05-30 16:14:37,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:14:37,561 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:14:37,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:14:37,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:14:37,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:14:37,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f50e5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37, skipping insertion in model container [2024-05-30 16:14:37,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:14:37,747 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/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2024-05-30 16:14:37,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:14:37,759 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:14:37,787 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/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2024-05-30 16:14:37,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:14:37,800 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:14:37,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37 WrapperNode [2024-05-30 16:14:37,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:14:37,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:14:37,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:14:37,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:14:37,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,838 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-05-30 16:14:37,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:14:37,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:14:37,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:14:37,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:14:37,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:14:37,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:14:37,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:14:37,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:14:37,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (1/1) ... [2024-05-30 16:14:37,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:14:37,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:14:37,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 16:14:37,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 16:14:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:14:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:14:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:14:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:14:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:14:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:14:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:14:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:14:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 16:14:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 16:14:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:14:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:14:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:14:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:14:37,948 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 16:14:38,026 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:14:38,047 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:14:38,195 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:14:38,244 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:14:38,244 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-30 16:14:38,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:14:38 BoogieIcfgContainer [2024-05-30 16:14:38,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:14:38,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:14:38,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:14:38,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:14:38,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:14:37" (1/3) ... [2024-05-30 16:14:38,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2d4dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:14:38, skipping insertion in model container [2024-05-30 16:14:38,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:14:37" (2/3) ... [2024-05-30 16:14:38,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2d4dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:14:38, skipping insertion in model container [2024-05-30 16:14:38,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:14:38" (3/3) ... [2024-05-30 16:14:38,252 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2024-05-30 16:14:38,259 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:14:38,266 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:14:38,266 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:14:38,266 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:14:38,313 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 16:14:38,342 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:14:38,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:14:38,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:14:38,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 16:14:38,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 16:14:38,376 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:14:38,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:14:38,388 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;@60f1f7f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:14:38,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:14:38,394 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:14:38,466 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:38,467 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:38,467 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:38,478 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 119 states. [2024-05-30 16:14:38,478 INFO L212 cStratifiedReduction]: Copied states 1 times. [2024-05-30 16:14:38,481 INFO L78 Accepts]: Start accepts. Automaton has currently 121 states, but on-demand construction may add more states Word has length 76 [2024-05-30 16:14:38,483 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:14:38,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:14:38,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:14:38,487 INFO L85 PathProgramCache]: Analyzing trace with hash -840100065, now seen corresponding path program 1 times [2024-05-30 16:14:38,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:14:38,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749666266] [2024-05-30 16:14:38,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:14:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:14:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:14:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:14:38,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:14:38,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749666266] [2024-05-30 16:14:38,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749666266] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:14:38,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:14:38,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:14:38,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579658975] [2024-05-30 16:14:38,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:14:38,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:14:38,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:14:38,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:14:38,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:14:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:14:38,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:14:38,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:14:38,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:14:38,737 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:14:38,779 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:38,779 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:38,779 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:38,790 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 143 states. [2024-05-30 16:14:38,790 INFO L212 cStratifiedReduction]: Copied states 1 times. [2024-05-30 16:14:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:14:38,791 INFO L78 Accepts]: Start accepts. Automaton has currently 145 states, but on-demand construction may add more states Word has length 73 [2024-05-30 16:14:38,792 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:14:38,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:14:38,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:14:38,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:14:38,793 INFO L85 PathProgramCache]: Analyzing trace with hash 616843334, now seen corresponding path program 1 times [2024-05-30 16:14:38,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:14:38,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461567436] [2024-05-30 16:14:38,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:14:38,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:14:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:14:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:14:39,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:14:39,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461567436] [2024-05-30 16:14:39,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461567436] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:14:39,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:14:39,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 16:14:39,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344746782] [2024-05-30 16:14:39,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:14:39,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 16:14:39,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:14:39,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 16:14:39,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-05-30 16:14:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:14:39,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:14:39,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:14:39,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:14:39,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:14:39,150 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:14:39,235 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,236 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,236 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:39,269 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,269 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,269 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,277 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,277 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,278 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,289 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,289 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,289 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,300 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,300 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,301 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,317 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,317 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,317 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,326 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,326 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,327 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,346 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,346 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,346 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,367 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,367 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,368 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,369 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,370 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,370 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,398 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,398 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,399 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,431 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,431 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,431 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,432 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,432 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,433 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,439 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,440 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,440 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,457 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,457 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,457 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,462 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,463 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,463 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,472 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,473 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,473 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,495 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,495 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,495 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,513 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,514 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,514 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,515 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,515 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,516 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,534 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,534 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,535 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,539 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,539 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,539 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,545 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,546 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,546 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,557 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,558 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,558 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,568 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,568 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,569 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,571 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,571 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,571 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,586 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,586 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,586 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,596 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,597 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,597 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,605 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,608 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,608 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,621 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,621 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,622 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,635 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,635 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,635 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,636 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,636 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,636 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,646 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,647 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,647 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,652 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,652 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,653 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,656 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,657 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,657 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,661 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,661 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,662 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,666 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,666 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,667 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,670 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,670 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,670 INFO L395 cStratifiedReduction]: Actual level: [~pos~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-30 16:14:39,672 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 294 states. [2024-05-30 16:14:39,672 INFO L212 cStratifiedReduction]: Copied states 59 times. [2024-05-30 16:14:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:14:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:14:39,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 16:14:39,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:14:39,686 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-05-30 16:14:39,688 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2024-05-30 16:14:39,692 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:14:39,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:14:39,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:14:39,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 16:14:39,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-30 16:14:39,744 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:14:39,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 16:14:39,745 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;@60f1f7f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:14:39,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:14:39,745 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:14:39,761 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 47 states. [2024-05-30 16:14:39,761 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:14:39,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 16:14:39,763 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 16:14:39,763 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2024-05-30 16:14:39,765 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:14:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:14:39,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:14:39,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 16:14:39,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-05-30 16:14:39,771 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:14:39,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 16:14:39,771 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;@60f1f7f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:14:39,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:14:39,771 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:14:39,785 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,785 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,785 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:39,790 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,791 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,791 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:39,820 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,820 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,821 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:39,823 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,823 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,824 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:39,829 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,830 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,830 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:39,834 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:14:39,835 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:14:39,835 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:14:39,836 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 82 states. [2024-05-30 16:14:39,836 INFO L212 cStratifiedReduction]: Copied states 5 times. [2024-05-30 16:14:39,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 16:14:39,837 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 16:14:39,838 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2024-05-30 16:14:39,839 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 16:14:39,839 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 16:14:39,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 04:14:39 BasicIcfg [2024-05-30 16:14:39,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 16:14:39,845 INFO L158 Benchmark]: Toolchain (without parser) took 2284.51ms. Allocated memory is still 339.7MB. Free memory was 268.9MB in the beginning and 295.8MB in the end (delta: -26.9MB). Peak memory consumption was 95.0MB. Max. memory is 8.0GB. [2024-05-30 16:14:39,849 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:14:39,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.48ms. Allocated memory is still 339.7MB. Free memory was 268.7MB in the beginning and 257.3MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-30 16:14:39,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 339.7MB. Free memory was 257.1MB in the beginning and 255.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 16:14:39,850 INFO L158 Benchmark]: Boogie Preprocessor took 25.55ms. Allocated memory is still 339.7MB. Free memory was 255.5MB in the beginning and 254.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 16:14:39,850 INFO L158 Benchmark]: RCFGBuilder took 377.13ms. Allocated memory is still 339.7MB. Free memory was 254.2MB in the beginning and 296.9MB in the end (delta: -42.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 16:14:39,851 INFO L158 Benchmark]: TraceAbstraction took 1596.45ms. Allocated memory is still 339.7MB. Free memory was 295.8MB in the beginning and 295.8MB in the end (delta: 19.4kB). Peak memory consumption was 122.7MB. Max. memory is 8.0GB. [2024-05-30 16:14:39,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 238.48ms. Allocated memory is still 339.7MB. Free memory was 268.7MB in the beginning and 257.3MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 339.7MB. Free memory was 257.1MB in the beginning and 255.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.55ms. Allocated memory is still 339.7MB. Free memory was 255.5MB in the beginning and 254.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 377.13ms. Allocated memory is still 339.7MB. Free memory was 254.2MB in the beginning and 296.9MB in the end (delta: -42.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1596.45ms. Allocated memory is still 339.7MB. Free memory was 295.8MB in the beginning and 295.8MB in the end (delta: 19.4kB). Peak memory consumption was 122.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 541, independent: 446, independent conditional: 446, independent unconditional: 0, dependent: 95, dependent conditional: 95, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 446, independent conditional: 446, 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: 446, independent: 446, independent conditional: 446, 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: 446, independent: 446, independent conditional: 0, independent unconditional: 446, 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: 446, independent: 446, independent conditional: 0, independent unconditional: 446, 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: 446, independent: 446, independent conditional: 0, independent unconditional: 446, 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: 446, independent: 446, independent conditional: 0, independent unconditional: 446, 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: 446, independent: 442, independent conditional: 0, independent unconditional: 442, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 446, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 446, unknown conditional: 0, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 446, Positive cache size: 446, Positive conditional cache size: 0, Positive unconditional cache size: 446, 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: 95 - StatisticsResult: Reduction benchmarks 17.1ms Time before loop, 66.9ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 119, Duplicate States: 1, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 18.1ms Time before loop, 34.6ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 143, Duplicate States: 1, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 74.0ms Time before loop, 448.2ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 38, Reduction States: 294, Duplicate States: 59, Protected Variables: 3 - StatisticsResult: Visitor Statistics States: 84, Transitions: 89, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 84, Transitions: 92, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 258, Transitions: 430, Traversal time: 0.5s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 89, Times there's more than one choice: 82, Avg number of choices: 1.9213483146067416 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 2 - StatisticsResult: Reduction benchmarks 16.0ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 47, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 48, Transitions: 49, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 80, independent: 45, independent conditional: 45, independent unconditional: 0, dependent: 35, dependent conditional: 35, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, independent: 45, independent conditional: 45, 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: 45, independent: 45, independent conditional: 45, 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: 45, independent: 45, independent conditional: 0, independent unconditional: 45, 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: 45, independent: 45, independent conditional: 0, independent unconditional: 45, 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: 45, independent: 45, independent conditional: 0, independent unconditional: 45, 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: 45, independent: 45, independent conditional: 0, independent unconditional: 45, 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: 45, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, 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: 35 - StatisticsResult: Reduction benchmarks 3.1ms Time before loop, 61.2ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 82, Duplicate States: 5, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 83, Transitions: 106, Traversal time: 0.1s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - PositiveResult [Line: 84]: 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, 102 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 11, 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, 0.4s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 102 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, 102 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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! [2024-05-30 16:14:39,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-05-30 16:14:40,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-05-30 16:14:40,280 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 [2024-05-30 16:14:40,479 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...