/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 23:08:34,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 23:08:34,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 23:08:34,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 23:08:34,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 23:08:34,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 23:08:34,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 23:08:34,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 23:08:34,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 23:08:34,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 23:08:34,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 23:08:34,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 23:08:34,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 23:08:34,791 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 23:08:34,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 23:08:34,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 23:08:34,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 23:08:34,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 23:08:34,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 23:08:34,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 23:08:34,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 23:08:34,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 23:08:34,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 23:08:34,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 23:08:34,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 23:08:34,794 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 23:08:34,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 23:08:34,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 23:08:34,795 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 23:08:34,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 23:08:34,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 23:08:34,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 23:08:34,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 23:08:34,796 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 23:08:34,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 23:08:34,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 23:08:34,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 23:08:34,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 23:08:34,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 23:08:34,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 23:08:34,797 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 23:08:34,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 23:08:34,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 23:08:34,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 23:08:34,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 23:08:34,968 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 23:08:34,968 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 23:08:34,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2023-09-04 23:08:35,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 23:08:36,231 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 23:08:36,231 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2023-09-04 23:08:36,249 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33a79919/9132596fcb6e4a1da01cb7427ae96746/FLAG37503d72c [2023-09-04 23:08:36,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33a79919/9132596fcb6e4a1da01cb7427ae96746 [2023-09-04 23:08:36,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 23:08:36,269 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 23:08:36,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 23:08:36,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 23:08:36,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 23:08:36,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a62082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36, skipping insertion in model container [2023-09-04 23:08:36,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,315 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 23:08:36,440 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_31-traces-mine-vs-mutex_true.i[1097,1110] [2023-09-04 23:08:36,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 23:08:36,547 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 23:08:36,556 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_31-traces-mine-vs-mutex_true.i[1097,1110] [2023-09-04 23:08:36,573 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-09-04 23:08:36,574 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-09-04 23:08:36,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 23:08:36,616 INFO L206 MainTranslator]: Completed translation [2023-09-04 23:08:36,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36 WrapperNode [2023-09-04 23:08:36,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 23:08:36,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 23:08:36,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 23:08:36,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 23:08:36,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,663 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2023-09-04 23:08:36,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 23:08:36,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 23:08:36,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 23:08:36,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 23:08:36,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 23:08:36,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 23:08:36,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 23:08:36,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 23:08:36,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (1/1) ... [2023-09-04 23:08:36,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 23:08:36,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:08:36,730 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) [2023-09-04 23:08:36,735 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 [2023-09-04 23:08:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 23:08:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 23:08:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-04 23:08:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 23:08:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 23:08:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-09-04 23:08:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-09-04 23:08:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 23:08:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 23:08:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 23:08:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 23:08:36,754 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 23:08:36,845 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 23:08:36,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 23:08:37,009 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 23:08:37,013 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 23:08:37,014 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-04 23:08:37,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:08:37 BoogieIcfgContainer [2023-09-04 23:08:37,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 23:08:37,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 23:08:37,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 23:08:37,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 23:08:37,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:08:36" (1/3) ... [2023-09-04 23:08:37,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d743cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:08:37, skipping insertion in model container [2023-09-04 23:08:37,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:08:36" (2/3) ... [2023-09-04 23:08:37,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d743cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:08:37, skipping insertion in model container [2023-09-04 23:08:37,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:08:37" (3/3) ... [2023-09-04 23:08:37,020 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2023-09-04 23:08:37,028 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 23:08:37,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 23:08:37,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-04 23:08:37,036 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 23:08:37,091 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-09-04 23:08:37,122 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:08:37,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 23:08:37,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:08:37,149 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) [2023-09-04 23:08:37,153 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 [2023-09-04 23:08:37,178 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 23:08:37,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 23:08:37,188 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;@f1550ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:08:37,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-09-04 23:08:37,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-04 23:08:37,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:08:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash 490068283, now seen corresponding path program 1 times [2023-09-04 23:08:37,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:08:37,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528955425] [2023-09-04 23:08:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:08:37,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:08:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:08:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 23:08:37,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:08:37,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528955425] [2023-09-04 23:08:37,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528955425] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 23:08:37,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 23:08:37,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-04 23:08:37,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955731324] [2023-09-04 23:08:37,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 23:08:37,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-04 23:08:37,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:08:37,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-04 23:08:37,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-04 23:08:37,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:08:37,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:08:37,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2023-09-04 23:08:37,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:08:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-04 23:08:37,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 23:08:37,872 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-04 23:08:37,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:08:37,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1225785113, now seen corresponding path program 1 times [2023-09-04 23:08:37,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:08:37,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551645860] [2023-09-04 23:08:37,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:08:37,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:08:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:08:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 23:08:38,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:08:38,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551645860] [2023-09-04 23:08:38,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551645860] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 23:08:38,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 23:08:38,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 23:08:38,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081779376] [2023-09-04 23:08:38,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 23:08:38,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 23:08:38,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:08:38,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 23:08:38,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-09-04 23:08:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:08:38,131 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:08:38,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2023-09-04 23:08:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-04 23:08:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:08:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-04 23:08:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-04 23:08:38,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 23:08:38,258 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-04 23:08:38,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:08:38,258 INFO L85 PathProgramCache]: Analyzing trace with hash 438202675, now seen corresponding path program 1 times [2023-09-04 23:08:38,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:08:38,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896271075] [2023-09-04 23:08:38,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:08:38,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:08:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:08:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 23:08:38,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:08:38,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896271075] [2023-09-04 23:08:38,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896271075] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 23:08:38,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 23:08:38,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-04 23:08:38,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361573483] [2023-09-04 23:08:38,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 23:08:38,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-04 23:08:38,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:08:38,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-04 23:08:38,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-09-04 23:08:38,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:08:38,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:08:38,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 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) [2023-09-04 23:08:38,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-04 23:08:38,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-04 23:08:38,390 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 [2023-09-04 23:08:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-04 23:08:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-04 23:08:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 23:08:38,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-09-04 23:08:38,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-09-04 23:08:38,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 23:08:38,601 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-09-04 23:08:38,603 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 23:08:38,603 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 23:08:38,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 11:08:38 BasicIcfg [2023-09-04 23:08:38,605 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 23:08:38,605 INFO L158 Benchmark]: Toolchain (without parser) took 2336.35ms. Allocated memory is still 290.5MB. Free memory was 255.9MB in the beginning and 152.2MB in the end (delta: 103.7MB). Peak memory consumption was 104.2MB. Max. memory is 7.0GB. [2023-09-04 23:08:38,605 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 23:08:38,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.51ms. Allocated memory is still 290.5MB. Free memory was 255.3MB in the beginning and 236.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. [2023-09-04 23:08:38,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.93ms. Allocated memory is still 290.5MB. Free memory was 236.5MB in the beginning and 234.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-04 23:08:38,606 INFO L158 Benchmark]: Boogie Preprocessor took 32.57ms. Allocated memory is still 290.5MB. Free memory was 234.4MB in the beginning and 232.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-04 23:08:38,606 INFO L158 Benchmark]: RCFGBuilder took 317.96ms. Allocated memory is still 290.5MB. Free memory was 232.8MB in the beginning and 219.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. [2023-09-04 23:08:38,607 INFO L158 Benchmark]: TraceAbstraction took 1588.26ms. Allocated memory is still 290.5MB. Free memory was 218.6MB in the beginning and 152.2MB in the end (delta: 66.4MB). Peak memory consumption was 67.5MB. Max. memory is 7.0GB. [2023-09-04 23:08:38,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 346.51ms. Allocated memory is still 290.5MB. Free memory was 255.3MB in the beginning and 236.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 45.93ms. Allocated memory is still 290.5MB. Free memory was 236.5MB in the beginning and 234.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 32.57ms. Allocated memory is still 290.5MB. Free memory was 234.4MB in the beginning and 232.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 317.96ms. Allocated memory is still 290.5MB. Free memory was 232.8MB in the beginning and 219.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. * TraceAbstraction took 1588.26ms. Allocated memory is still 290.5MB. Free memory was 218.6MB in the beginning and 152.2MB in the end (delta: 66.4MB). Peak memory consumption was 67.5MB. 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: 399, independent: 372, independent conditional: 372, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 399, independent: 372, independent conditional: 372, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 399, independent: 372, independent conditional: 372, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 475, independent: 372, independent conditional: 0, independent unconditional: 372, dependent: 103, dependent conditional: 76, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 475, independent: 372, independent conditional: 0, independent unconditional: 372, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 475, independent: 372, independent conditional: 0, independent unconditional: 372, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 399, independent: 372, independent conditional: 0, independent unconditional: 372, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 399, independent: 353, independent conditional: 0, independent unconditional: 353, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 475, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 399, unknown conditional: 0, unknown unconditional: 399] , Statistics on independence cache: Total cache size (in pairs): 399, Positive cache size: 372, Positive conditional cache size: 0, Positive unconditional cache size: 372, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 76, Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1 - 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, 95 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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: 22, 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, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-09-04 23:08:38,622 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 [2023-09-04 23:08:38,823 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...