/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 11:04:36,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 11:04:36,253 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-VariableLbe.epf [2023-08-26 11:04:36,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 11:04:36,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 11:04:36,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 11:04:36,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 11:04:36,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 11:04:36,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 11:04:36,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 11:04:36,293 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 11:04:36,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 11:04:36,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 11:04:36,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 11:04:36,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 11:04:36,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 11:04:36,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 11:04:36,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 11:04:36,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 11:04:36,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 11:04:36,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 11:04:36,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 11:04:36,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 11:04:36,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 11:04:36,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 11:04:36,298 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 11:04:36,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 11:04:36,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 11:04:36,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 11:04:36,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 11:04:36,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 11:04:36,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 11:04:36,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 11:04:36,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 11:04:36,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 11:04:36,301 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 11:04:36,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 11:04:36,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 11:04:36,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 11:04:36,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 11:04:36,628 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 11:04:36,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c [2023-08-26 11:04:37,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 11:04:37,992 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 11:04:37,992 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c [2023-08-26 11:04:38,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d52cffa0/f251e41ef1a54ae6a59cd901fbf077d4/FLAGfec59539e [2023-08-26 11:04:38,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d52cffa0/f251e41ef1a54ae6a59cd901fbf077d4 [2023-08-26 11:04:38,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 11:04:38,022 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 11:04:38,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 11:04:38,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 11:04:38,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 11:04:38,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a37f597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38, skipping insertion in model container [2023-08-26 11:04:38,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,051 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 11:04:38,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 11:04:38,233 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 11:04:38,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 11:04:38,272 INFO L206 MainTranslator]: Completed translation [2023-08-26 11:04:38,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38 WrapperNode [2023-08-26 11:04:38,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 11:04:38,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 11:04:38,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 11:04:38,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 11:04:38,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,312 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2023-08-26 11:04:38,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 11:04:38,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 11:04:38,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 11:04:38,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 11:04:38,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 11:04:38,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 11:04:38,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 11:04:38,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 11:04:38,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (1/1) ... [2023-08-26 11:04:38,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 11:04:38,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 11:04:38,389 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) [2023-08-26 11:04:38,400 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 [2023-08-26 11:04:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 11:04:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-26 11:04:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-26 11:04:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-26 11:04:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-26 11:04:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 11:04:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 11:04:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 11:04:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 11:04:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 11:04:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 11:04:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 11:04:38,422 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 11:04:38,497 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 11:04:38,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 11:04:38,804 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 11:04:38,816 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 11:04:38,816 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 11:04:38,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 11:04:38 BoogieIcfgContainer [2023-08-26 11:04:38,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 11:04:38,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 11:04:38,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 11:04:38,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 11:04:38,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 11:04:38" (1/3) ... [2023-08-26 11:04:38,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44745011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 11:04:38, skipping insertion in model container [2023-08-26 11:04:38,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:38" (2/3) ... [2023-08-26 11:04:38,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44745011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 11:04:38, skipping insertion in model container [2023-08-26 11:04:38,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 11:04:38" (3/3) ... [2023-08-26 11:04:38,828 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2023-08-26 11:04:38,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 11:04:38,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2023-08-26 11:04:38,843 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 11:04:38,953 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 11:04:38,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 188 transitions, 392 flow [2023-08-26 11:04:39,118 INFO L124 PetriNetUnfolderBase]: 2/186 cut-off events. [2023-08-26 11:04:39,118 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 11:04:39,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 186 events. 2/186 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 187 event pairs, 0 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2023-08-26 11:04:39,122 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 188 transitions, 392 flow [2023-08-26 11:04:39,130 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 177 transitions, 366 flow [2023-08-26 11:04:39,134 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 11:04:39,150 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 177 transitions, 366 flow [2023-08-26 11:04:39,154 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 177 transitions, 366 flow [2023-08-26 11:04:39,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 177 transitions, 366 flow [2023-08-26 11:04:39,213 INFO L124 PetriNetUnfolderBase]: 2/177 cut-off events. [2023-08-26 11:04:39,214 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 11:04:39,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 2/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 186 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2023-08-26 11:04:39,219 INFO L119 LiptonReduction]: Number of co-enabled transitions 7268 [2023-08-26 11:04:42,457 INFO L134 LiptonReduction]: Checked pairs total: 6724 [2023-08-26 11:04:42,457 INFO L136 LiptonReduction]: Total number of compositions: 217 [2023-08-26 11:04:42,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 11:04:42,474 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60527bb8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 11:04:42,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2023-08-26 11:04:42,475 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 11:04:42,475 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 11:04:42,476 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 11:04:42,476 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:42,476 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 11:04:42,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 11:04:42,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:42,480 INFO L85 PathProgramCache]: Analyzing trace with hash 709, now seen corresponding path program 1 times [2023-08-26 11:04:42,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:42,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955536202] [2023-08-26 11:04:42,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:42,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:42,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:42,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955536202] [2023-08-26 11:04:42,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955536202] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:42,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:42,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 11:04:42,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692182750] [2023-08-26 11:04:42,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:42,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 11:04:42,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:42,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 11:04:42,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 11:04:42,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 405 [2023-08-26 11:04:42,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 82 flow. Second operand has 2 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 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) [2023-08-26 11:04:42,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:42,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 405 [2023-08-26 11:04:42,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:42,633 INFO L124 PetriNetUnfolderBase]: 9/28 cut-off events. [2023-08-26 11:04:42,633 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-08-26 11:04:42,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 28 events. 9/28 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 9 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 40. Up to 29 conditions per place. [2023-08-26 11:04:42,635 INFO L140 encePairwiseOnDemand]: 381/405 looper letters, 11 selfloop transitions, 0 changer transitions 0/11 dead transitions. [2023-08-26 11:04:42,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 11 transitions, 56 flow [2023-08-26 11:04:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 11:04:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 11:04:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 397 transitions. [2023-08-26 11:04:42,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4901234567901235 [2023-08-26 11:04:42,655 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 397 transitions. [2023-08-26 11:04:42,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 397 transitions. [2023-08-26 11:04:42,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:42,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 397 transitions. [2023-08-26 11:04:42,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 198.5) internal successors, (397), 2 states have internal predecessors, (397), 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) [2023-08-26 11:04:42,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 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) [2023-08-26 11:04:42,666 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 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) [2023-08-26 11:04:42,667 INFO L175 Difference]: Start difference. First operand has 42 places, 35 transitions, 82 flow. Second operand 2 states and 397 transitions. [2023-08-26 11:04:42,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 11 transitions, 56 flow [2023-08-26 11:04:42,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 48 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 11:04:42,670 INFO L231 Difference]: Finished difference. Result has 15 places, 11 transitions, 26 flow [2023-08-26 11:04:42,672 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=405, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=26, PETRI_PLACES=15, PETRI_TRANSITIONS=11} [2023-08-26 11:04:42,675 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -27 predicate places. [2023-08-26 11:04:42,675 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 11 transitions, 26 flow [2023-08-26 11:04:42,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 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) [2023-08-26 11:04:42,675 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:42,675 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 11:04:42,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 11:04:42,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 11:04:42,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:42,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1900793674, now seen corresponding path program 1 times [2023-08-26 11:04:42,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:42,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842492950] [2023-08-26 11:04:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:42,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:43,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:43,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842492950] [2023-08-26 11:04:43,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842492950] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:43,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:43,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 11:04:43,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980885884] [2023-08-26 11:04:43,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:43,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 11:04:43,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:43,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 11:04:43,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 11:04:43,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 405 [2023-08-26 11:04:43,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 26 flow. Second operand has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 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) [2023-08-26 11:04:43,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:43,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 405 [2023-08-26 11:04:43,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:43,351 INFO L124 PetriNetUnfolderBase]: 8/32 cut-off events. [2023-08-26 11:04:43,352 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 11:04:43,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 32 events. 8/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 67. Up to 13 conditions per place. [2023-08-26 11:04:43,353 INFO L140 encePairwiseOnDemand]: 401/405 looper letters, 10 selfloop transitions, 2 changer transitions 10/22 dead transitions. [2023-08-26 11:04:43,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 22 transitions, 96 flow [2023-08-26 11:04:43,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 11:04:43,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 11:04:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 659 transitions. [2023-08-26 11:04:43,356 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4067901234567901 [2023-08-26 11:04:43,356 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 659 transitions. [2023-08-26 11:04:43,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 659 transitions. [2023-08-26 11:04:43,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:43,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 659 transitions. [2023-08-26 11:04:43,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 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) [2023-08-26 11:04:43,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 405.0) internal successors, (2025), 5 states have internal predecessors, (2025), 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) [2023-08-26 11:04:43,365 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 405.0) internal successors, (2025), 5 states have internal predecessors, (2025), 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) [2023-08-26 11:04:43,365 INFO L175 Difference]: Start difference. First operand has 15 places, 11 transitions, 26 flow. Second operand 4 states and 659 transitions. [2023-08-26 11:04:43,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 22 transitions, 96 flow [2023-08-26 11:04:43,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 22 transitions, 96 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 11:04:43,366 INFO L231 Difference]: Finished difference. Result has 19 places, 11 transitions, 36 flow [2023-08-26 11:04:43,366 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=405, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=36, PETRI_PLACES=19, PETRI_TRANSITIONS=11} [2023-08-26 11:04:43,367 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -23 predicate places. [2023-08-26 11:04:43,367 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 36 flow [2023-08-26 11:04:43,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 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) [2023-08-26 11:04:43,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:43,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 11:04:43,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 11:04:43,369 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 11:04:43,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:43,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1728838434, now seen corresponding path program 2 times [2023-08-26 11:04:43,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:43,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64232280] [2023-08-26 11:04:43,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:43,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:43,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:43,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64232280] [2023-08-26 11:04:43,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64232280] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:43,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:43,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 11:04:43,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674374520] [2023-08-26 11:04:43,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:43,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 11:04:43,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:43,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 11:04:43,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 11:04:43,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 405 [2023-08-26 11:04:43,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 36 flow. Second operand has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 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) [2023-08-26 11:04:43,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:43,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 405 [2023-08-26 11:04:43,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:43,709 INFO L124 PetriNetUnfolderBase]: 2/14 cut-off events. [2023-08-26 11:04:43,709 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-26 11:04:43,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 14 events. 2/14 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 1 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 37. Up to 11 conditions per place. [2023-08-26 11:04:43,709 INFO L140 encePairwiseOnDemand]: 401/405 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2023-08-26 11:04:43,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 11 transitions, 56 flow [2023-08-26 11:04:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 11:04:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 11:04:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 648 transitions. [2023-08-26 11:04:43,712 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4 [2023-08-26 11:04:43,712 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 648 transitions. [2023-08-26 11:04:43,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 648 transitions. [2023-08-26 11:04:43,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:43,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 648 transitions. [2023-08-26 11:04:43,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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) [2023-08-26 11:04:43,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 405.0) internal successors, (2025), 5 states have internal predecessors, (2025), 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) [2023-08-26 11:04:43,717 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 405.0) internal successors, (2025), 5 states have internal predecessors, (2025), 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) [2023-08-26 11:04:43,717 INFO L175 Difference]: Start difference. First operand has 19 places, 11 transitions, 36 flow. Second operand 4 states and 648 transitions. [2023-08-26 11:04:43,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 11 transitions, 56 flow [2023-08-26 11:04:43,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 11 transitions, 50 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-26 11:04:43,718 INFO L231 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow [2023-08-26 11:04:43,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=405, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0} [2023-08-26 11:04:43,721 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -25 predicate places. [2023-08-26 11:04:43,721 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow [2023-08-26 11:04:43,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 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) [2023-08-26 11:04:43,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2023-08-26 11:04:43,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2023-08-26 11:04:43,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2023-08-26 11:04:43,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2023-08-26 11:04:43,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2023-08-26 11:04:43,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2023-08-26 11:04:43,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2023-08-26 11:04:43,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2023-08-26 11:04:43,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2023-08-26 11:04:43,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2023-08-26 11:04:43,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2023-08-26 11:04:43,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (31 of 43 remaining) [2023-08-26 11:04:43,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2023-08-26 11:04:43,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2023-08-26 11:04:43,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2023-08-26 11:04:43,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2023-08-26 11:04:43,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2023-08-26 11:04:43,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2023-08-26 11:04:43,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2023-08-26 11:04:43,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2023-08-26 11:04:43,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2023-08-26 11:04:43,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2023-08-26 11:04:43,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2023-08-26 11:04:43,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2023-08-26 11:04:43,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (18 of 43 remaining) [2023-08-26 11:04:43,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 43 remaining) [2023-08-26 11:04:43,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 43 remaining) [2023-08-26 11:04:43,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 43 remaining) [2023-08-26 11:04:43,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2023-08-26 11:04:43,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2023-08-26 11:04:43,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2023-08-26 11:04:43,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2023-08-26 11:04:43,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2023-08-26 11:04:43,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2023-08-26 11:04:43,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2023-08-26 11:04:43,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2023-08-26 11:04:43,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2023-08-26 11:04:43,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2023-08-26 11:04:43,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2023-08-26 11:04:43,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining) [2023-08-26 11:04:43,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining) [2023-08-26 11:04:43,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining) [2023-08-26 11:04:43,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 43 remaining) [2023-08-26 11:04:43,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 11:04:43,739 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-08-26 11:04:43,745 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 11:04:43,745 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 11:04:43,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 11:04:43 BasicIcfg [2023-08-26 11:04:43,748 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 11:04:43,749 INFO L158 Benchmark]: Toolchain (without parser) took 5726.93ms. Allocated memory was 339.7MB in the beginning and 482.3MB in the end (delta: 142.6MB). Free memory was 315.8MB in the beginning and 384.3MB in the end (delta: -68.5MB). Peak memory consumption was 76.2MB. Max. memory is 16.0GB. [2023-08-26 11:04:43,749 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 339.7MB. Free memory is still 315.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 11:04:43,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.99ms. Allocated memory is still 339.7MB. Free memory was 315.8MB in the beginning and 304.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-26 11:04:43,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.00ms. Allocated memory is still 339.7MB. Free memory was 304.5MB in the beginning and 302.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 11:04:43,752 INFO L158 Benchmark]: Boogie Preprocessor took 39.56ms. Allocated memory is still 339.7MB. Free memory was 302.8MB in the beginning and 301.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 11:04:43,753 INFO L158 Benchmark]: RCFGBuilder took 465.37ms. Allocated memory is still 339.7MB. Free memory was 301.2MB in the beginning and 283.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-08-26 11:04:43,753 INFO L158 Benchmark]: TraceAbstraction took 4926.59ms. Allocated memory was 339.7MB in the beginning and 482.3MB in the end (delta: 142.6MB). Free memory was 283.4MB in the beginning and 384.3MB in the end (delta: -100.9MB). Peak memory consumption was 44.8MB. Max. memory is 16.0GB. [2023-08-26 11:04:43,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 339.7MB. Free memory is still 315.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 247.99ms. Allocated memory is still 339.7MB. Free memory was 315.8MB in the beginning and 304.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 39.00ms. Allocated memory is still 339.7MB. Free memory was 304.5MB in the beginning and 302.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 39.56ms. Allocated memory is still 339.7MB. Free memory was 302.8MB in the beginning and 301.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 465.37ms. Allocated memory is still 339.7MB. Free memory was 301.2MB in the beginning and 283.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 4926.59ms. Allocated memory was 339.7MB in the beginning and 482.3MB in the end (delta: 142.6MB). Free memory was 283.4MB in the beginning and 384.3MB in the end (delta: -100.9MB). Peak memory consumption was 44.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 182 PlacesBefore, 42 PlacesAfterwards, 177 TransitionsBefore, 35 TransitionsAfterwards, 7268 CoEnabledTransitionPairs, 8 FixpointIterations, 68 TrivialSequentialCompositions, 141 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 217 TotalNumberOfCompositions, 6724 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6724, independent: 6724, independent conditional: 0, independent unconditional: 6724, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3920, independent: 3920, independent conditional: 0, independent unconditional: 3920, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6724, independent: 2804, independent conditional: 0, independent unconditional: 2804, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3920, unknown conditional: 0, unknown unconditional: 3920] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 21]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 283 locations, 43 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: 4.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 25 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 11:04:43,777 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...