/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_36-traces-ex-3_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 23:13:07,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 23:13:07,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 23:13:07,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 23:13:07,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 23:13:07,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 23:13:07,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 23:13:07,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 23:13:07,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 23:13:07,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 23:13:07,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 23:13:07,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 23:13:07,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 23:13:07,777 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 23:13:07,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 23:13:07,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 23:13:07,777 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 23:13:07,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 23:13:07,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 23:13:07,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 23:13:07,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 23:13:07,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 23:13:07,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 23:13:07,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 23:13:07,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 23:13:07,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 23:13:07,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 23:13:07,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 23:13:07,780 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 23:13:07,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 23:13:07,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 23:13:07,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 23:13:07,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 23:13:07,781 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 23:13:07,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 23:13:07,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 23:13:07,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 23:13:07,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 23:13:07,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 23:13:07,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 23:13:07,783 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 23:13:07,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-07 23:13:07,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 23:13:07,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 23:13:07,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 23:13:07,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 23:13:07,958 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 23:13:07,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-09-07 23:13:08,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 23:13:09,160 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 23:13:09,160 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-09-07 23:13:09,173 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f91e18ee/42d8a7b0030244909f3d427a43e46e78/FLAGc7224bf2b [2023-09-07 23:13:09,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f91e18ee/42d8a7b0030244909f3d427a43e46e78 [2023-09-07 23:13:09,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 23:13:09,516 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 23:13:09,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 23:13:09,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 23:13:09,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 23:13:09,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383bac69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09, skipping insertion in model container [2023-09-07 23:13:09,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 23:13:09,641 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_36-traces-ex-3_true.i[1088,1101] [2023-09-07 23:13:09,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 23:13:09,732 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 23:13:09,742 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_36-traces-ex-3_true.i[1088,1101] [2023-09-07 23:13:09,761 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-09-07 23:13:09,762 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-09-07 23:13:09,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 23:13:09,810 INFO L206 MainTranslator]: Completed translation [2023-09-07 23:13:09,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09 WrapperNode [2023-09-07 23:13:09,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 23:13:09,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 23:13:09,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 23:13:09,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 23:13:09,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,841 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-09-07 23:13:09,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 23:13:09,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 23:13:09,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 23:13:09,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 23:13:09,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 23:13:09,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 23:13:09,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 23:13:09,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 23:13:09,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (1/1) ... [2023-09-07 23:13:09,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 23:13:09,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 23:13:09,900 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 23:13:09,930 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 23:13:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 23:13:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-07 23:13:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 23:13:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 23:13:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-09-07 23:13:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-09-07 23:13:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 23:13:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 23:13:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 23:13:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 23:13:09,951 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 23:13:10,054 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 23:13:10,055 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 23:13:10,221 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 23:13:10,225 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 23:13:10,225 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 23:13:10,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:13:10 BoogieIcfgContainer [2023-09-07 23:13:10,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 23:13:10,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 23:13:10,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 23:13:10,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 23:13:10,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 11:13:09" (1/3) ... [2023-09-07 23:13:10,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff08f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:13:10, skipping insertion in model container [2023-09-07 23:13:10,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:09" (2/3) ... [2023-09-07 23:13:10,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff08f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:13:10, skipping insertion in model container [2023-09-07 23:13:10,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:13:10" (3/3) ... [2023-09-07 23:13:10,232 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2023-09-07 23:13:10,238 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 23:13:10,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 23:13:10,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 23:13:10,245 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 23:13:10,293 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-07 23:13:10,332 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 23:13:10,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 23:13:10,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 23:13:10,334 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 23:13:10,346 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 23:13:10,372 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 23:13:10,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-07 23:13:10,383 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;@2f3bf1a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 23:13:10,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-09-07 23:13:10,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:13:10,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:13:10,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1753129160, now seen corresponding path program 1 times [2023-09-07 23:13:10,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:13:10,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031920762] [2023-09-07 23:13:10,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:13:10,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:13:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:13:10,719 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 23:13:10,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:13:10,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031920762] [2023-09-07 23:13:10,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031920762] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:13:10,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:13:10,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-07 23:13:10,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180981841] [2023-09-07 23:13:10,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:13:10,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-07 23:13:10,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:13:10,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-07 23:13:10,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-07 23:13:10,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:10,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:13:10,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 23:13:10,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:10,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 23:13:10,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:13:10,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:13:10,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1992114122, now seen corresponding path program 1 times [2023-09-07 23:13:10,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:13:10,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932911102] [2023-09-07 23:13:10,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:13:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:13:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:13:10,959 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 23:13:10,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:13:10,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932911102] [2023-09-07 23:13:10,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932911102] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:13:10,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:13:10,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 23:13:10,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028153705] [2023-09-07 23:13:10,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:13:10,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 23:13:10,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:13:10,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 23:13:10,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 23:13:10,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:10,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:13:10,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 23:13:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 23:13:11,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 23:13:11,009 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:13:11,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:13:11,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2008514394, now seen corresponding path program 1 times [2023-09-07 23:13:11,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:13:11,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739278639] [2023-09-07 23:13:11,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:13:11,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:13:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:13:11,256 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 23:13:11,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:13:11,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739278639] [2023-09-07 23:13:11,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739278639] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:13:11,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:13:11,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 23:13:11,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255507209] [2023-09-07 23:13:11,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:13:11,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 23:13:11,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:13:11,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 23:13:11,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-09-07 23:13:11,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:11,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:13:11,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 23:13:11,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:11,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 23:13:11,261 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 [2023-09-07 23:13:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 23:13:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:13:11,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-09-07 23:13:11,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-09-07 23:13:11,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 23:13:11,484 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-09-07 23:13:11,486 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 23:13:11,486 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 23:13:11,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 11:13:11 BasicIcfg [2023-09-07 23:13:11,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 23:13:11,489 INFO L158 Benchmark]: Toolchain (without parser) took 1972.04ms. Allocated memory is still 242.2MB. Free memory was 201.3MB in the beginning and 154.5MB in the end (delta: 46.8MB). Peak memory consumption was 47.9MB. Max. memory is 7.0GB. [2023-09-07 23:13:11,489 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 23:13:11,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.34ms. Allocated memory is still 242.2MB. Free memory was 201.3MB in the beginning and 182.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. [2023-09-07 23:13:11,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.06ms. Allocated memory is still 242.2MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 23:13:11,490 INFO L158 Benchmark]: Boogie Preprocessor took 24.91ms. Allocated memory is still 242.2MB. Free memory was 180.3MB in the beginning and 178.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 23:13:11,490 INFO L158 Benchmark]: RCFGBuilder took 359.95ms. Allocated memory is still 242.2MB. Free memory was 178.8MB in the beginning and 166.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-07 23:13:11,490 INFO L158 Benchmark]: TraceAbstraction took 1259.85ms. Allocated memory is still 242.2MB. Free memory was 165.1MB in the beginning and 154.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.2MB. Max. memory is 7.0GB. [2023-09-07 23:13:11,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 293.34ms. Allocated memory is still 242.2MB. Free memory was 201.3MB in the beginning and 182.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 30.06ms. Allocated memory is still 242.2MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 24.91ms. Allocated memory is still 242.2MB. Free memory was 180.3MB in the beginning and 178.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 359.95ms. Allocated memory is still 242.2MB. Free memory was 178.8MB in the beginning and 166.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * TraceAbstraction took 1259.85ms. Allocated memory is still 242.2MB. Free memory was 165.1MB in the beginning and 154.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.2MB. 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: 203, independent: 190, independent conditional: 190, independent unconditional: 0, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203, independent: 190, independent conditional: 190, independent unconditional: 0, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 203, independent: 190, independent conditional: 190, independent unconditional: 0, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 239, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 49, dependent conditional: 36, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 239, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 239, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 239, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 203, unknown conditional: 0, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 36, Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1, RedundantProofs: 1, ProvenStates: 24 - 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, 75 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, 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: 15, 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, 0.5s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 351 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! [2023-09-07 23:13:11,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-09-07 23:13:11,719 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...