/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 08:19:29,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 08:19:29,136 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 [2023-11-30 08:19:29,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 08:19:29,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 08:19:29,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 08:19:29,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 08:19:29,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 08:19:29,168 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 08:19:29,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 08:19:29,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 08:19:29,172 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 08:19:29,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 08:19:29,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 08:19:29,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 08:19:29,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 08:19:29,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 08:19:29,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 08:19:29,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 08:19:29,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 08:19:29,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 08:19:29,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 08:19:29,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 08:19:29,175 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 08:19:29,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 08:19:29,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:19:29,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 08:19:29,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 08:19:29,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 08:19:29,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 08:19:29,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 08:19:29,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 08:19:29,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 08:19:29,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 08:19:29,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 08:19:29,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 08:19:29,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 08:19:29,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 08:19:29,425 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 08:19:29,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-11-30 08:19:30,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 08:19:30,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 08:19:30,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-11-30 08:19:30,755 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf42a20cb/1005bec25116487288cb1da024f94cfa/FLAGee113f9dd [2023-11-30 08:19:30,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf42a20cb/1005bec25116487288cb1da024f94cfa [2023-11-30 08:19:30,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 08:19:30,771 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 08:19:30,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 08:19:30,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 08:19:30,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 08:19:30,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:19:30" (1/1) ... [2023-11-30 08:19:30,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63446d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:30, skipping insertion in model container [2023-11-30 08:19:30,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:19:30" (1/1) ... [2023-11-30 08:19:30,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 08:19:31,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:19:31,070 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 08:19:31,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:19:31,162 INFO L206 MainTranslator]: Completed translation [2023-11-30 08:19:31,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31 WrapperNode [2023-11-30 08:19:31,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 08:19:31,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 08:19:31,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 08:19:31,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 08:19:31,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,215 INFO L138 Inliner]: procedures = 166, calls = 54, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 161 [2023-11-30 08:19:31,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 08:19:31,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 08:19:31,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 08:19:31,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 08:19:31,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 08:19:31,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 08:19:31,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 08:19:31,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 08:19:31,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (1/1) ... [2023-11-30 08:19:31,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:19:31,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 08:19:31,280 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) [2023-11-30 08:19:31,300 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 [2023-11-30 08:19:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-30 08:19:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-30 08:19:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 08:19:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 08:19:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 08:19:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 08:19:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-11-30 08:19:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-11-30 08:19:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 08:19:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 08:19:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 08:19:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 08:19:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 08:19:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 08:19:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 08:19:31,317 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 08:19:31,422 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 08:19:31,424 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 08:19:31,714 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 08:19:31,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 08:19:31,769 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 08:19:31,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:19:31 BoogieIcfgContainer [2023-11-30 08:19:31,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 08:19:31,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 08:19:31,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 08:19:31,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 08:19:31,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 08:19:30" (1/3) ... [2023-11-30 08:19:31,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9a92b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:19:31, skipping insertion in model container [2023-11-30 08:19:31,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:31" (2/3) ... [2023-11-30 08:19:31,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9a92b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:19:31, skipping insertion in model container [2023-11-30 08:19:31,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:19:31" (3/3) ... [2023-11-30 08:19:31,778 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2023-11-30 08:19:31,792 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 08:19:31,792 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-30 08:19:31,792 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 08:19:31,865 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 08:19:31,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 198 transitions, 408 flow [2023-11-30 08:19:31,960 INFO L124 PetriNetUnfolderBase]: 9/195 cut-off events. [2023-11-30 08:19:31,960 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:19:31,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 195 events. 9/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 411 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 160. Up to 2 conditions per place. [2023-11-30 08:19:31,971 INFO L82 GeneralOperation]: Start removeDead. Operand has 199 places, 198 transitions, 408 flow [2023-11-30 08:19:31,976 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 196 places, 195 transitions, 399 flow [2023-11-30 08:19:31,983 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 08:19:31,989 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;@e025499, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 08:19:31,989 INFO L363 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-30 08:19:32,002 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 08:19:32,002 INFO L124 PetriNetUnfolderBase]: 0/69 cut-off events. [2023-11-30 08:19:32,002 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:19:32,003 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:32,003 INFO L232 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, 1, 1, 1, 1, 1, 1] [2023-11-30 08:19:32,004 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2023-11-30 08:19:32,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1819358149, now seen corresponding path program 1 times [2023-11-30 08:19:32,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:32,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982462559] [2023-11-30 08:19:32,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:32,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:32,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:32,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982462559] [2023-11-30 08:19:32,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982462559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:32,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:32,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 08:19:32,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245748413] [2023-11-30 08:19:32,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:32,259 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 08:19:32,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:32,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 08:19:32,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 08:19:32,287 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 198 [2023-11-30 08:19:32,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 195 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2023-11-30 08:19:32,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:32,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 198 [2023-11-30 08:19:32,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:33,438 INFO L124 PetriNetUnfolderBase]: 2738/6721 cut-off events. [2023-11-30 08:19:33,439 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2023-11-30 08:19:33,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10858 conditions, 6721 events. 2738/6721 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 64658 event pairs, 810 based on Foata normal form. 1991/8314 useless extension candidates. Maximal degree in co-relation 10811. Up to 3315 conditions per place. [2023-11-30 08:19:33,483 INFO L140 encePairwiseOnDemand]: 188/198 looper letters, 31 selfloop transitions, 1 changer transitions 14/186 dead transitions. [2023-11-30 08:19:33,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 186 transitions, 467 flow [2023-11-30 08:19:33,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 08:19:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 08:19:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2023-11-30 08:19:33,500 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2023-11-30 08:19:33,500 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 528 transitions. [2023-11-30 08:19:33,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 528 transitions. [2023-11-30 08:19:33,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:33,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 528 transitions. [2023-11-30 08:19:33,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2023-11-30 08:19:33,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-30 08:19:33,514 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-30 08:19:33,519 INFO L307 CegarLoopForPetriNet]: 196 programPoint places, -11 predicate places. [2023-11-30 08:19:33,519 INFO L500 AbstractCegarLoop]: Abstraction has has 185 places, 186 transitions, 467 flow [2023-11-30 08:19:33,520 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2023-11-30 08:19:33,520 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:33,520 INFO L232 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:19:33,520 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 08:19:33,521 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2023-11-30 08:19:33,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:33,521 INFO L85 PathProgramCache]: Analyzing trace with hash 565528380, now seen corresponding path program 1 times [2023-11-30 08:19:33,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:33,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487336140] [2023-11-30 08:19:33,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:33,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:33,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:33,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487336140] [2023-11-30 08:19:33,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487336140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:33,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:33,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:19:33,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574565400] [2023-11-30 08:19:33,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:33,657 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:19:33,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:33,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:19:33,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:19:33,659 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 198 [2023-11-30 08:19:33,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 186 transitions, 467 flow. Second operand has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 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) [2023-11-30 08:19:33,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:33,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 198 [2023-11-30 08:19:33,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:35,546 INFO L124 PetriNetUnfolderBase]: 3090/13501 cut-off events. [2023-11-30 08:19:35,546 INFO L125 PetriNetUnfolderBase]: For 1441/2551 co-relation queries the response was YES. [2023-11-30 08:19:35,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22440 conditions, 13501 events. 3090/13501 cut-off events. For 1441/2551 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 166137 event pairs, 2182 based on Foata normal form. 3/12711 useless extension candidates. Maximal degree in co-relation 22391. Up to 3570 conditions per place. [2023-11-30 08:19:35,616 INFO L140 encePairwiseOnDemand]: 194/198 looper letters, 0 selfloop transitions, 0 changer transitions 221/221 dead transitions. [2023-11-30 08:19:35,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 221 transitions, 781 flow [2023-11-30 08:19:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 08:19:35,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 08:19:35,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 837 transitions. [2023-11-30 08:19:35,619 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8454545454545455 [2023-11-30 08:19:35,619 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 837 transitions. [2023-11-30 08:19:35,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 837 transitions. [2023-11-30 08:19:35,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:35,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 837 transitions. [2023-11-30 08:19:35,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.4) internal successors, (837), 5 states have internal predecessors, (837), 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) [2023-11-30 08:19:35,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2023-11-30 08:19:35,625 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2023-11-30 08:19:35,625 INFO L307 CegarLoopForPetriNet]: 196 programPoint places, -8 predicate places. [2023-11-30 08:19:35,626 INFO L500 AbstractCegarLoop]: Abstraction has has 188 places, 221 transitions, 781 flow [2023-11-30 08:19:35,626 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 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) [2023-11-30 08:19:35,636 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/36-apron_21-traces-cluster-based_true.i_BEv2_AllErrorsAtOnce [2023-11-30 08:19:35,673 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2023-11-30 08:19:35,674 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-11-30 08:19:35,674 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-30 08:19:35,674 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2023-11-30 08:19:35,675 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2023-11-30 08:19:35,675 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2023-11-30 08:19:35,675 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2023-11-30 08:19:35,676 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 08:19:35,676 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-30 08:19:35,685 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 08:19:35,685 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 08:19:35,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 08:19:35 BasicIcfg [2023-11-30 08:19:35,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 08:19:35,697 INFO L158 Benchmark]: Toolchain (without parser) took 4925.60ms. Allocated memory was 549.5MB in the beginning and 1.5GB in the end (delta: 994.1MB). Free memory was 495.0MB in the beginning and 1.3GB in the end (delta: -808.7MB). Peak memory consumption was 296.8MB. Max. memory is 16.0GB. [2023-11-30 08:19:35,697 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 358.6MB. Free memory is still 307.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:19:35,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.75ms. Allocated memory is still 549.5MB. Free memory was 494.7MB in the beginning and 474.6MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 08:19:35,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.39ms. Allocated memory is still 549.5MB. Free memory was 474.6MB in the beginning and 472.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 08:19:35,700 INFO L158 Benchmark]: Boogie Preprocessor took 36.31ms. Allocated memory is still 549.5MB. Free memory was 472.3MB in the beginning and 470.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 08:19:35,702 INFO L158 Benchmark]: RCFGBuilder took 517.49ms. Allocated memory is still 549.5MB. Free memory was 470.4MB in the beginning and 507.3MB in the end (delta: -36.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 08:19:35,703 INFO L158 Benchmark]: TraceAbstraction took 3923.46ms. Allocated memory was 549.5MB in the beginning and 1.5GB in the end (delta: 994.1MB). Free memory was 506.4MB in the beginning and 1.3GB in the end (delta: -797.3MB). Peak memory consumption was 309.7MB. Max. memory is 16.0GB. [2023-11-30 08:19:35,708 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 358.6MB. Free memory is still 307.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 389.75ms. Allocated memory is still 549.5MB. Free memory was 494.7MB in the beginning and 474.6MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 52.39ms. Allocated memory is still 549.5MB. Free memory was 474.6MB in the beginning and 472.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 36.31ms. Allocated memory is still 549.5MB. Free memory was 472.3MB in the beginning and 470.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 517.49ms. Allocated memory is still 549.5MB. Free memory was 470.4MB in the beginning and 507.3MB in the end (delta: -36.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * TraceAbstraction took 3923.46ms. Allocated memory was 549.5MB in the beginning and 1.5GB in the end (delta: 994.1MB). Free memory was 506.4MB in the beginning and 1.3GB in the end (delta: -797.3MB). Peak memory consumption was 309.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 692]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 692]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 285 locations, 7 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: 3.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 166 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=781occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 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! [2023-11-30 08:19:35,728 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...