/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:00:46,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:00:46,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-12-09 15:00:46,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:00:46,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:00:46,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:00:46,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:00:46,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:00:46,535 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:00:46,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:00:46,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:00:46,536 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:00:46,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:00:46,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:00:46,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:00:46,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:00:46,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:00:46,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:00:46,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:00:46,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:00:46,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:00:46,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:00:46,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:00:46,542 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:00:46,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:00:46,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:00:46,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:00:46,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:00:46,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:00:46,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:00:46,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:00:46,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:00:46,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:00:46,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:00:46,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:00:46,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:00:46,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:00:46,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:00:46,780 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:00:46,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2023-12-09 15:00:47,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:00:48,056 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:00:48,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2023-12-09 15:00:48,069 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f089378f1/5e75db42ae7e42239a41fb501fcc8a0e/FLAG25a597f79 [2023-12-09 15:00:48,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f089378f1/5e75db42ae7e42239a41fb501fcc8a0e [2023-12-09 15:00:48,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:00:48,086 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:00:48,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:00:48,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:00:48,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:00:48,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc9efb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48, skipping insertion in model container [2023-12-09 15:00:48,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,139 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:00:48,270 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_18-first-reads_true.i[1088,1101] [2023-12-09 15:00:48,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:00:48,416 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:00:48,428 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_18-first-reads_true.i[1088,1101] [2023-12-09 15:00:48,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:00:48,477 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:00:48,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48 WrapperNode [2023-12-09 15:00:48,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:00:48,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:00:48,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:00:48,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:00:48,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,514 INFO L138 Inliner]: procedures = 164, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-12-09 15:00:48,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:00:48,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:00:48,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:00:48,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:00:48,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:00:48,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:00:48,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:00:48,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:00:48,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (1/1) ... [2023-12-09 15:00:48,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:00:48,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:00:48,617 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) [2023-12-09 15:00:48,645 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 [2023-12-09 15:00:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-09 15:00:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:00:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-09 15:00:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:00:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:00:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-09 15:00:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-09 15:00:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:00:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:00:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-09 15:00:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:00:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:00:48,669 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-09 15:00:48,799 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:00:48,801 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:00:48,994 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:00:49,014 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:00:49,014 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:00:49,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:00:49 BoogieIcfgContainer [2023-12-09 15:00:49,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:00:49,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:00:49,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:00:49,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:00:49,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:00:48" (1/3) ... [2023-12-09 15:00:49,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687d198e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:00:49, skipping insertion in model container [2023-12-09 15:00:49,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:48" (2/3) ... [2023-12-09 15:00:49,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687d198e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:00:49, skipping insertion in model container [2023-12-09 15:00:49,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:00:49" (3/3) ... [2023-12-09 15:00:49,026 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2023-12-09 15:00:49,037 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:00:49,037 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-09 15:00:49,037 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:00:49,076 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-09 15:00:49,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 73 transitions, 153 flow [2023-12-09 15:00:49,137 INFO L124 PetriNetUnfolderBase]: 3/72 cut-off events. [2023-12-09 15:00:49,137 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-12-09 15:00:49,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 3/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2023-12-09 15:00:49,142 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 73 transitions, 153 flow [2023-12-09 15:00:49,155 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 64 transitions, 131 flow [2023-12-09 15:00:49,163 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:00:49,171 INFO L362 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@19075f42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:00:49,172 INFO L363 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-09 15:00:49,187 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:00:49,188 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2023-12-09 15:00:49,188 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 15:00:49,188 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:00:49,189 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:00:49,189 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:00:49,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:00:49,197 INFO L85 PathProgramCache]: Analyzing trace with hash -443032748, now seen corresponding path program 1 times [2023-12-09 15:00:49,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:00:49,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497735264] [2023-12-09 15:00:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:00:49,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:00:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:00:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:00:49,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:00:49,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497735264] [2023-12-09 15:00:49,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497735264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:00:49,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:00:49,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-09 15:00:49,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71439299] [2023-12-09 15:00:49,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:00:49,474 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-09 15:00:49,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:00:49,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-09 15:00:49,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-09 15:00:49,508 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 73 [2023-12-09 15:00:49,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 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) [2023-12-09 15:00:49,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:00:49,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 73 [2023-12-09 15:00:49,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:00:49,668 INFO L124 PetriNetUnfolderBase]: 75/253 cut-off events. [2023-12-09 15:00:49,669 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-12-09 15:00:49,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 253 events. 75/253 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1031 event pairs, 20 based on Foata normal form. 4/247 useless extension candidates. Maximal degree in co-relation 387. Up to 58 conditions per place. [2023-12-09 15:00:49,671 INFO L140 encePairwiseOnDemand]: 58/73 looper letters, 15 selfloop transitions, 7 changer transitions 41/96 dead transitions. [2023-12-09 15:00:49,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 96 transitions, 315 flow [2023-12-09 15:00:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 15:00:49,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 15:00:49,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 470 transitions. [2023-12-09 15:00:49,682 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.715372907153729 [2023-12-09 15:00:49,682 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 470 transitions. [2023-12-09 15:00:49,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 470 transitions. [2023-12-09 15:00:49,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:00:49,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 470 transitions. [2023-12-09 15:00:49,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 52.22222222222222) internal successors, (470), 9 states have internal predecessors, (470), 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) [2023-12-09 15:00:49,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 73.0) internal successors, (730), 10 states have internal predecessors, (730), 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) [2023-12-09 15:00:49,692 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 73.0) internal successors, (730), 10 states have internal predecessors, (730), 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) [2023-12-09 15:00:49,694 INFO L308 CegarLoopForPetriNet]: 65 programPoint places, 4 predicate places. [2023-12-09 15:00:49,694 INFO L500 AbstractCegarLoop]: Abstraction has has 69 places, 96 transitions, 315 flow [2023-12-09 15:00:49,694 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 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) [2023-12-09 15:00:49,695 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:00:49,695 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:00:49,695 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 15:00:49,695 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:00:49,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:00:49,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1370806266, now seen corresponding path program 1 times [2023-12-09 15:00:49,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:00:49,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266066987] [2023-12-09 15:00:49,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:00:49,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:00:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:00:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:00:49,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:00:49,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266066987] [2023-12-09 15:00:49,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266066987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:00:49,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:00:49,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 15:00:49,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98585657] [2023-12-09 15:00:49,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:00:49,926 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 15:00:49,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:00:49,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 15:00:49,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 15:00:49,927 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 73 [2023-12-09 15:00:49,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 96 transitions, 315 flow. Second operand has 6 states, 6 states have (on average 42.5) internal successors, (255), 6 states have internal predecessors, (255), 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) [2023-12-09 15:00:49,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:00:49,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 73 [2023-12-09 15:00:49,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:00:50,032 INFO L124 PetriNetUnfolderBase]: 3/79 cut-off events. [2023-12-09 15:00:50,032 INFO L125 PetriNetUnfolderBase]: For 15/21 co-relation queries the response was YES. [2023-12-09 15:00:50,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 79 events. 3/79 cut-off events. For 15/21 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 1 based on Foata normal form. 15/92 useless extension candidates. Maximal degree in co-relation 112. Up to 19 conditions per place. [2023-12-09 15:00:50,033 INFO L140 encePairwiseOnDemand]: 58/73 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2023-12-09 15:00:50,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 58 transitions, 223 flow [2023-12-09 15:00:50,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 15:00:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 15:00:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 385 transitions. [2023-12-09 15:00:50,036 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.5859969558599696 [2023-12-09 15:00:50,036 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 385 transitions. [2023-12-09 15:00:50,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 385 transitions. [2023-12-09 15:00:50,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:00:50,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 385 transitions. [2023-12-09 15:00:50,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.77777777777778) internal successors, (385), 9 states have internal predecessors, (385), 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) [2023-12-09 15:00:50,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 73.0) internal successors, (730), 10 states have internal predecessors, (730), 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) [2023-12-09 15:00:50,040 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 73.0) internal successors, (730), 10 states have internal predecessors, (730), 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) [2023-12-09 15:00:50,041 INFO L308 CegarLoopForPetriNet]: 65 programPoint places, 6 predicate places. [2023-12-09 15:00:50,041 INFO L500 AbstractCegarLoop]: Abstraction has has 71 places, 58 transitions, 223 flow [2023-12-09 15:00:50,041 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.5) internal successors, (255), 6 states have internal predecessors, (255), 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) [2023-12-09 15:00:50,048 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_18-first-reads_true.i_BEv2_AllErrorsAtOnce [2023-12-09 15:00:50,084 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-12-09 15:00:50,085 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2023-12-09 15:00:50,085 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-12-09 15:00:50,085 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 15:00:50,086 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-09 15:00:50,089 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:00:50,089 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:00:50,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:00:50 BasicIcfg [2023-12-09 15:00:50,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:00:50,101 INFO L158 Benchmark]: Toolchain (without parser) took 2014.57ms. Allocated memory is still 292.6MB. Free memory was 237.4MB in the beginning and 163.4MB in the end (delta: 74.0MB). Peak memory consumption was 75.6MB. Max. memory is 8.0GB. [2023-12-09 15:00:50,101 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 212.9MB. Free memory was 161.3MB in the beginning and 161.2MB in the end (delta: 85.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:00:50,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.15ms. Allocated memory is still 292.6MB. Free memory was 237.1MB in the beginning and 217.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-09 15:00:50,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.35ms. Allocated memory is still 292.6MB. Free memory was 217.9MB in the beginning and 215.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:00:50,102 INFO L158 Benchmark]: Boogie Preprocessor took 28.18ms. Allocated memory is still 292.6MB. Free memory was 215.9MB in the beginning and 214.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-09 15:00:50,102 INFO L158 Benchmark]: RCFGBuilder took 472.13ms. Allocated memory is still 292.6MB. Free memory was 214.3MB in the beginning and 256.2MB in the end (delta: -41.9MB). Peak memory consumption was 15.8MB. Max. memory is 8.0GB. [2023-12-09 15:00:50,103 INFO L158 Benchmark]: TraceAbstraction took 1083.22ms. Allocated memory is still 292.6MB. Free memory was 255.7MB in the beginning and 163.4MB in the end (delta: 92.3MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB. [2023-12-09 15:00:50,104 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 212.9MB. Free memory was 161.3MB in the beginning and 161.2MB in the end (delta: 85.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 389.15ms. Allocated memory is still 292.6MB. Free memory was 237.1MB in the beginning and 217.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.35ms. Allocated memory is still 292.6MB. Free memory was 217.9MB in the beginning and 215.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.18ms. Allocated memory is still 292.6MB. Free memory was 215.9MB in the beginning and 214.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 472.13ms. Allocated memory is still 292.6MB. Free memory was 214.3MB in the beginning and 256.2MB in the end (delta: -41.9MB). Peak memory consumption was 15.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1083.22ms. Allocated memory is still 292.6MB. Free memory was 255.7MB in the beginning and 163.4MB in the end (delta: 92.3MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 30 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=315occurred in iteration=1, InterpolantAutomatonStates: 18, 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, 0.4s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-09 15:00:50,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...