/usr/bin/java -Xmx7000000000 -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 ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 23:12:36,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 23:12:36,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 23:12:36,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 23:12:36,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 23:12:36,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 23:12:36,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 23:12:36,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 23:12:36,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 23:12:36,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 23:12:36,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 23:12:36,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 23:12:36,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 23:12:36,198 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 23:12:36,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 23:12:36,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 23:12:36,199 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 23:12:36,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 23:12:36,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 23:12:36,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 23:12:36,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 23:12:36,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 23:12:36,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 23:12:36,200 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 23:12:36,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 23:12:36,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 23:12:36,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 23:12:36,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 23:12:36,201 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 23:12:36,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 23:12:36,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 23:12:36,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 23:12:36,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 23:12:36,202 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 23:12:36,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 23:12:36,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 23:12:36,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 23:12:36,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 23:12:36,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 23:12:36,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 23:12:36,203 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 23:12:36,203 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-07 23:12:36,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 23:12:36,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 23:12:36,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 23:12:36,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 23:12:36,413 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 23:12:36,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-09-07 23:12:37,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 23:12:37,573 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 23:12:37,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-09-07 23:12:37,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f851dbac8/0300f1fadbe2438ba4f0b6031d087403/FLAGd28164795 [2023-09-07 23:12:37,598 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f851dbac8/0300f1fadbe2438ba4f0b6031d087403 [2023-09-07 23:12:37,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 23:12:37,601 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 23:12:37,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 23:12:37,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 23:12:37,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 23:12:37,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee62a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37, skipping insertion in model container [2023-09-07 23:12:37,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 23:12:37,742 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2023-09-07 23:12:37,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 23:12:37,843 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 23:12:37,850 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2023-09-07 23:12:37,858 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-09-07 23:12:37,860 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-09-07 23:12:37,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 23:12:37,900 INFO L206 MainTranslator]: Completed translation [2023-09-07 23:12:37,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37 WrapperNode [2023-09-07 23:12:37,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 23:12:37,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 23:12:37,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 23:12:37,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 23:12:37,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,943 INFO L138 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-09-07 23:12:37,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 23:12:37,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 23:12:37,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 23:12:37,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 23:12:37,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 23:12:37,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 23:12:37,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 23:12:37,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 23:12:37,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (1/1) ... [2023-09-07 23:12:37,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 23:12:37,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 23:12:37,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 23:12:37,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 23:12:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 23:12:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-09-07 23:12:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-09-07 23:12:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 23:12:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-07 23:12:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 23:12:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 23:12:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 23:12:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 23:12:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 23:12:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 23:12:38,016 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 23:12:38,103 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 23:12:38,104 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 23:12:38,253 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 23:12:38,258 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 23:12:38,258 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 23:12:38,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:12:38 BoogieIcfgContainer [2023-09-07 23:12:38,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 23:12:38,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 23:12:38,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 23:12:38,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 23:12:38,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 11:12:37" (1/3) ... [2023-09-07 23:12:38,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3030d0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:12:38, skipping insertion in model container [2023-09-07 23:12:38,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:37" (2/3) ... [2023-09-07 23:12:38,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3030d0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:12:38, skipping insertion in model container [2023-09-07 23:12:38,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:12:38" (3/3) ... [2023-09-07 23:12:38,266 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2023-09-07 23:12:38,272 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 23:12:38,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 23:12:38,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-09-07 23:12:38,278 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 23:12:38,336 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-09-07 23:12:38,363 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 23:12:38,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 23:12:38,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 23:12:38,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 23:12:38,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 23:12:38,394 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 23:12:38,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-07 23:12:38,409 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;@a87b042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 23:12:38,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-09-07 23:12:38,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-09-07 23:12:38,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:12:38,439 INFO L85 PathProgramCache]: Analyzing trace with hash 132121231, now seen corresponding path program 1 times [2023-09-07 23:12:38,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:12:38,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155819806] [2023-09-07 23:12:38,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:12:38,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:12:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:12:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:12:38,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:12:38,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155819806] [2023-09-07 23:12:38,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155819806] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:12:38,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:12:38,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-07 23:12:38,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54533795] [2023-09-07 23:12:38,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:12:38,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-07 23:12:38,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:12:38,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-07 23:12:38,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-07 23:12:38,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:38,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:12:38,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2023-09-07 23:12:38,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 23:12:38,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 23:12:38,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-09-07 23:12:38,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:12:38,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1009573006, now seen corresponding path program 1 times [2023-09-07 23:12:38,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:12:38,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091092105] [2023-09-07 23:12:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:12:38,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:12:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:12:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:12:39,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:12:39,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091092105] [2023-09-07 23:12:39,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091092105] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:12:39,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:12:39,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-07 23:12:39,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278893792] [2023-09-07 23:12:39,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:12:39,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-07 23:12:39,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:12:39,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-07 23:12:39,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-07 23:12:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:39,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:12:39,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 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) [2023-09-07 23:12:39,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 23:12:39,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 23:12:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 23:12:39,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 23:12:39,211 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-09-07 23:12:39,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:12:39,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2104619065, now seen corresponding path program 1 times [2023-09-07 23:12:39,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:12:39,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270055593] [2023-09-07 23:12:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:12:39,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:12:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:12:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:12:39,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:12:39,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270055593] [2023-09-07 23:12:39,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270055593] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:12:39,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:12:39,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-07 23:12:39,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054431598] [2023-09-07 23:12:39,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:12:39,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-07 23:12:39,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:12:39,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-07 23:12:39,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-07 23:12:39,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:39,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:12:39,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:12:39,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 23:12:39,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 23:12:39,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:39,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 23:12:39,603 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-09-07 23:12:39,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:12:39,604 INFO L85 PathProgramCache]: Analyzing trace with hash 586186051, now seen corresponding path program 1 times [2023-09-07 23:12:39,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:12:39,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404427882] [2023-09-07 23:12:39,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:12:39,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:12:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:12:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:12:39,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:12:39,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404427882] [2023-09-07 23:12:39,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404427882] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:12:39,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:12:39,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 23:12:39,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088235797] [2023-09-07 23:12:39,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:12:39,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 23:12:39,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:12:39,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 23:12:39,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-09-07 23:12:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:39,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:12:39,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:12:39,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:39,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:39,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:39,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:39,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:12:39,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 23:12:39,908 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-09-07 23:12:39,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:12:39,909 INFO L85 PathProgramCache]: Analyzing trace with hash -659357249, now seen corresponding path program 1 times [2023-09-07 23:12:39,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:12:39,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768443291] [2023-09-07 23:12:39,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:12:39,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:12:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:12:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:12:40,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:12:40,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768443291] [2023-09-07 23:12:40,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768443291] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:12:40,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:12:40,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-07 23:12:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50086704] [2023-09-07 23:12:40,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:12:40,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-07 23:12:40,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:12:40,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-07 23:12:40,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-09-07 23:12:40,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:40,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:12:40,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 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) [2023-09-07 23:12:40,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:40,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:40,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:40,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:12:40,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 23:12:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 23:12:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 23:12:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 23:12:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:12:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-09-07 23:12:43,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-09-07 23:12:43,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-09-07 23:12:43,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-09-07 23:12:43,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-09-07 23:12:43,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 23:12:43,215 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-09-07 23:12:43,217 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 23:12:43,217 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 23:12:43,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 11:12:43 BasicIcfg [2023-09-07 23:12:43,219 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 23:12:43,219 INFO L158 Benchmark]: Toolchain (without parser) took 5618.34ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 138.4MB in the beginning and 113.1MB in the end (delta: 25.3MB). Peak memory consumption was 112.6MB. Max. memory is 7.0GB. [2023-09-07 23:12:43,220 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory was 130.2MB in the beginning and 130.1MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 23:12:43,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.46ms. Allocated memory is still 174.1MB. Free memory was 138.1MB in the beginning and 118.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. [2023-09-07 23:12:43,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.32ms. Allocated memory is still 174.1MB. Free memory was 118.8MB in the beginning and 116.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 23:12:43,220 INFO L158 Benchmark]: Boogie Preprocessor took 16.80ms. Allocated memory is still 174.1MB. Free memory was 116.6MB in the beginning and 115.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 23:12:43,221 INFO L158 Benchmark]: RCFGBuilder took 298.55ms. Allocated memory is still 174.1MB. Free memory was 115.1MB in the beginning and 100.9MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. [2023-09-07 23:12:43,221 INFO L158 Benchmark]: TraceAbstraction took 4957.92ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 100.1MB in the beginning and 113.1MB in the end (delta: -13.0MB). Peak memory consumption was 74.9MB. Max. memory is 7.0GB. [2023-09-07 23:12:43,222 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 was 130.2MB in the beginning and 130.1MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 298.46ms. Allocated memory is still 174.1MB. Free memory was 138.1MB in the beginning and 118.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 42.32ms. Allocated memory is still 174.1MB. Free memory was 118.8MB in the beginning and 116.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 16.80ms. Allocated memory is still 174.1MB. Free memory was 116.6MB in the beginning and 115.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 298.55ms. Allocated memory is still 174.1MB. Free memory was 115.1MB in the beginning and 100.9MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. * TraceAbstraction took 4957.92ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 100.1MB in the beginning and 113.1MB in the end (delta: -13.0MB). Peak memory consumption was 74.9MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1844, independent: 1729, independent conditional: 1729, independent unconditional: 0, dependent: 115, dependent conditional: 115, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1804, independent: 1729, independent conditional: 1729, independent unconditional: 0, dependent: 75, dependent conditional: 75, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1804, independent: 1729, independent conditional: 1729, independent unconditional: 0, dependent: 75, dependent conditional: 75, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2174, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 445, dependent conditional: 370, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2174, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 445, dependent conditional: 0, dependent unconditional: 445, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2174, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 445, dependent conditional: 0, dependent unconditional: 445, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1804, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1804, independent: 1679, independent conditional: 0, independent unconditional: 1679, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 125, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 125, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 125, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2174, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 1804, unknown conditional: 0, unknown unconditional: 1804] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1729, Positive conditional cache size: 0, Positive unconditional cache size: 1729, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 370, Maximal queried relation: 5, Independence queries for same thread: 40 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 7, RedundantProofs: 3, ProvenStates: 130 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 119 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.7s, 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: 51, 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, 0.8s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-09-07 23:12:43,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-09-07 23:12:43,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...