/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/13-privatized_52-refine-protected-loop2-small_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 07:38:28,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 07:38:29,026 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 07:38:29,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 07:38:29,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 07:38:29,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 07:38:29,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 07:38:29,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 07:38:29,048 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 07:38:29,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 07:38:29,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 07:38:29,049 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 07:38:29,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 07:38:29,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 07:38:29,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 07:38:29,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 07:38:29,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 07:38:29,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 07:38:29,051 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 07:38:29,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 07:38:29,052 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 07:38:29,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 07:38:29,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 07:38:29,053 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 07:38:29,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 07:38:29,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 07:38:29,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 07:38:29,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 07:38:29,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 07:38:29,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 07:38:29,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 07:38:29,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 07:38:29,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 07:38:29,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 07:38:29,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 07:38:29,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 07:38:29,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 07:38:29,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 07:38:29,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 07:38:29,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2023-11-30 07:38:30,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 07:38:30,595 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 07:38:30,596 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2023-11-30 07:38:30,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd1ffb80/139f7c5a0aa14839ad9671d19732c2ce/FLAG10370605f [2023-11-30 07:38:30,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd1ffb80/139f7c5a0aa14839ad9671d19732c2ce [2023-11-30 07:38:30,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 07:38:30,625 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 07:38:30,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 07:38:30,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 07:38:30,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 07:38:30,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:30,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce24202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30, skipping insertion in model container [2023-11-30 07:38:30,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:30,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 07:38:30,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 07:38:30,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 07:38:30,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 07:38:30,969 INFO L206 MainTranslator]: Completed translation [2023-11-30 07:38:30,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30 WrapperNode [2023-11-30 07:38:30,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 07:38:30,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 07:38:30,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 07:38:30,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 07:38:30,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,044 INFO L138 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-30 07:38:31,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 07:38:31,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 07:38:31,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 07:38:31,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 07:38:31,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 07:38:31,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 07:38:31,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 07:38:31,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 07:38:31,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (1/1) ... [2023-11-30 07:38:31,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 07:38:31,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:38:31,112 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 07:38:31,137 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 07:38:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2023-11-30 07:38:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2023-11-30 07:38:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 07:38:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 07:38:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 07:38:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 07:38:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 07:38:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 07:38:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 07:38:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 07:38:31,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 07:38:31,147 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 07:38:31,313 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 07:38:31,324 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 07:38:31,447 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 07:38:31,471 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 07:38:31,471 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-30 07:38:31,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:38:31 BoogieIcfgContainer [2023-11-30 07:38:31,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 07:38:31,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 07:38:31,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 07:38:31,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 07:38:31,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 07:38:30" (1/3) ... [2023-11-30 07:38:31,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537abdd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:38:31, skipping insertion in model container [2023-11-30 07:38:31,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:38:30" (2/3) ... [2023-11-30 07:38:31,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537abdd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:38:31, skipping insertion in model container [2023-11-30 07:38:31,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:38:31" (3/3) ... [2023-11-30 07:38:31,479 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_52-refine-protected-loop2-small_true.i [2023-11-30 07:38:31,495 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 07:38:31,495 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-30 07:38:31,496 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 07:38:31,571 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 07:38:31,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 78 transitions, 160 flow [2023-11-30 07:38:31,669 INFO L124 PetriNetUnfolderBase]: 5/77 cut-off events. [2023-11-30 07:38:31,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 07:38:31,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 77 events. 5/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2023-11-30 07:38:31,673 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 78 transitions, 160 flow [2023-11-30 07:38:31,679 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 73 transitions, 149 flow [2023-11-30 07:38:31,686 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 07:38:31,692 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;@6fb0763c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 07:38:31,692 INFO L363 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-30 07:38:31,715 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 07:38:31,715 INFO L124 PetriNetUnfolderBase]: 2/63 cut-off events. [2023-11-30 07:38:31,715 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 07:38:31,716 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:38:31,716 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] [2023-11-30 07:38:31,717 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-30 07:38:31,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:38:31,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1842006354, now seen corresponding path program 1 times [2023-11-30 07:38:31,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:38:31,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822319730] [2023-11-30 07:38:31,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:38:31,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:38:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:38:32,145 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 07:38:32,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:38:32,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822319730] [2023-11-30 07:38:32,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822319730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:38:32,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:38:32,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:38:32,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076211340] [2023-11-30 07:38:32,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:38:32,155 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 07:38:32,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:38:32,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 07:38:32,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 07:38:32,189 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 78 [2023-11-30 07:38:32,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 73 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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 07:38:32,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:38:32,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 78 [2023-11-30 07:38:32,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:38:32,264 INFO L124 PetriNetUnfolderBase]: 1/66 cut-off events. [2023-11-30 07:38:32,265 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 07:38:32,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 66 events. 1/66 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 2/66 useless extension candidates. Maximal degree in co-relation 49. Up to 8 conditions per place. [2023-11-30 07:38:32,266 INFO L140 encePairwiseOnDemand]: 70/78 looper letters, 11 selfloop transitions, 4 changer transitions 3/66 dead transitions. [2023-11-30 07:38:32,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 66 transitions, 165 flow [2023-11-30 07:38:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 07:38:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 07:38:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 299 transitions. [2023-11-30 07:38:32,284 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7666666666666667 [2023-11-30 07:38:32,285 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 299 transitions. [2023-11-30 07:38:32,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 299 transitions. [2023-11-30 07:38:32,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:38:32,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 299 transitions. [2023-11-30 07:38:32,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 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 07:38:32,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 07:38:32,299 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 07:38:32,302 INFO L307 CegarLoopForPetriNet]: 73 programPoint places, 0 predicate places. [2023-11-30 07:38:32,302 INFO L500 AbstractCegarLoop]: Abstraction has has 73 places, 66 transitions, 165 flow [2023-11-30 07:38:32,302 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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 07:38:32,302 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:38:32,302 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] [2023-11-30 07:38:32,303 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 07:38:32,303 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-30 07:38:32,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:38:32,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1267621871, now seen corresponding path program 1 times [2023-11-30 07:38:32,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:38:32,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156987605] [2023-11-30 07:38:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:38:32,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:38:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:38:32,384 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 07:38:32,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:38:32,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156987605] [2023-11-30 07:38:32,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156987605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:38:32,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:38:32,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:38:32,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193935549] [2023-11-30 07:38:32,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:38:32,386 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 07:38:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:38:32,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 07:38:32,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 07:38:32,392 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 78 [2023-11-30 07:38:32,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 66 transitions, 165 flow. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 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 07:38:32,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:38:32,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 78 [2023-11-30 07:38:32,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:38:32,425 INFO L124 PetriNetUnfolderBase]: 1/65 cut-off events. [2023-11-30 07:38:32,426 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-30 07:38:32,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 65 events. 1/65 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 59. Up to 10 conditions per place. [2023-11-30 07:38:32,426 INFO L140 encePairwiseOnDemand]: 74/78 looper letters, 0 selfloop transitions, 0 changer transitions 65/65 dead transitions. [2023-11-30 07:38:32,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 65 transitions, 189 flow [2023-11-30 07:38:32,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 07:38:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 07:38:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 239 transitions. [2023-11-30 07:38:32,428 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7660256410256411 [2023-11-30 07:38:32,428 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 239 transitions. [2023-11-30 07:38:32,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 239 transitions. [2023-11-30 07:38:32,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:38:32,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 239 transitions. [2023-11-30 07:38:32,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 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 07:38:32,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 78.0) internal successors, (390), 5 states have internal predecessors, (390), 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 07:38:32,431 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 78.0) internal successors, (390), 5 states have internal predecessors, (390), 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 07:38:32,432 INFO L307 CegarLoopForPetriNet]: 73 programPoint places, 2 predicate places. [2023-11-30 07:38:32,432 INFO L500 AbstractCegarLoop]: Abstraction has has 75 places, 65 transitions, 189 flow [2023-11-30 07:38:32,432 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 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 07:38:32,437 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_52-refine-protected-loop2-small_true.i_BEv2_AllErrorsAtOnce [2023-11-30 07:38:32,452 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2023-11-30 07:38:32,453 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2023-11-30 07:38:32,453 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2023-11-30 07:38:32,453 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2023-11-30 07:38:32,454 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2023-11-30 07:38:32,454 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 07:38:32,454 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-30 07:38:32,459 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 07:38:32,459 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 07:38:32,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 07:38:32 BasicIcfg [2023-11-30 07:38:32,465 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 07:38:32,466 INFO L158 Benchmark]: Toolchain (without parser) took 1840.33ms. Allocated memory was 339.7MB in the beginning and 549.5MB in the end (delta: 209.7MB). Free memory was 278.3MB in the beginning and 438.3MB in the end (delta: -160.0MB). Peak memory consumption was 50.8MB. Max. memory is 16.0GB. [2023-11-30 07:38:32,466 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 339.7MB. Free memory was 291.1MB in the beginning and 291.0MB in the end (delta: 140.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 07:38:32,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.01ms. Allocated memory is still 339.7MB. Free memory was 278.3MB in the beginning and 259.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 07:38:32,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.62ms. Allocated memory was 339.7MB in the beginning and 549.5MB in the end (delta: 209.7MB). Free memory was 259.0MB in the beginning and 518.0MB in the end (delta: -259.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.0GB. [2023-11-30 07:38:32,468 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 549.5MB. Free memory was 518.0MB in the beginning and 516.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 07:38:32,468 INFO L158 Benchmark]: RCFGBuilder took 395.86ms. Allocated memory is still 549.5MB. Free memory was 516.6MB in the beginning and 501.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-11-30 07:38:32,469 INFO L158 Benchmark]: TraceAbstraction took 990.97ms. Allocated memory is still 549.5MB. Free memory was 501.2MB in the beginning and 438.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.0GB. [2023-11-30 07:38:32,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 339.7MB. Free memory was 291.1MB in the beginning and 291.0MB in the end (delta: 140.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 344.01ms. Allocated memory is still 339.7MB. Free memory was 278.3MB in the beginning and 259.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 73.62ms. Allocated memory was 339.7MB in the beginning and 549.5MB in the end (delta: 209.7MB). Free memory was 259.0MB in the beginning and 518.0MB in the end (delta: -259.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 549.5MB. Free memory was 518.0MB in the beginning and 516.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 395.86ms. Allocated memory is still 549.5MB. Free memory was 516.6MB in the beginning and 501.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 990.97ms. Allocated memory is still 549.5MB. Free memory was 501.2MB in the beginning and 438.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 691]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: 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 3 procedures, 109 locations, 5 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 0.3s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 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 07:38:32,499 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...