/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/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 03:56:39,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 03:56:39,961 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 03:56:39,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 03:56:39,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 03:56:39,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 03:56:39,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 03:56:40,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 03:56:40,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 03:56:40,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 03:56:40,007 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 03:56:40,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 03:56:40,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 03:56:40,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 03:56:40,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 03:56:40,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 03:56:40,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 03:56:40,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 03:56:40,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 03:56:40,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 03:56:40,010 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 03:56:40,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 03:56:40,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 03:56:40,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 03:56:40,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 03:56:40,012 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 03:56:40,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 03:56:40,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 03:56:40,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 03:56:40,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 03:56:40,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 03:56:40,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 03:56:40,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 03:56:40,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 03:56:40,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 03:56:40,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 03:56:40,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 03:56:40,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 03:56:40,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 03:56:40,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 03:56:40,330 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 03:56:40,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-26 03:56:41,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 03:56:41,728 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 03:56:41,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-26 03:56:41,742 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9c8299c/619ba6380c164a94b486414704d0c4db/FLAG0fe8fb9ca [2023-08-26 03:56:41,753 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9c8299c/619ba6380c164a94b486414704d0c4db [2023-08-26 03:56:41,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 03:56:41,756 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 03:56:41,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 03:56:41,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 03:56:41,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 03:56:41,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 03:56:41" (1/1) ... [2023-08-26 03:56:41,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c8fb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:41, skipping insertion in model container [2023-08-26 03:56:41,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 03:56:41" (1/1) ... [2023-08-26 03:56:41,821 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 03:56:42,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 03:56:42,131 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 03:56:42,159 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 03:56:42,160 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 03:56:42,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 03:56:42,218 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 03:56:42,218 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 03:56:42,224 INFO L206 MainTranslator]: Completed translation [2023-08-26 03:56:42,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42 WrapperNode [2023-08-26 03:56:42,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 03:56:42,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 03:56:42,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 03:56:42,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 03:56:42,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,284 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2023-08-26 03:56:42,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 03:56:42,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 03:56:42,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 03:56:42,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 03:56:42,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 03:56:42,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 03:56:42,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 03:56:42,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 03:56:42,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (1/1) ... [2023-08-26 03:56:42,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 03:56:42,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 03:56:42,367 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 03:56:42,390 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 03:56:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 03:56:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 03:56:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 03:56:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 03:56:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 03:56:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 03:56:42,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 03:56:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 03:56:42,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 03:56:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 03:56:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 03:56:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 03:56:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 03:56:42,406 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 03:56:42,550 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 03:56:42,551 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 03:56:42,725 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 03:56:42,839 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 03:56:42,839 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 03:56:42,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 03:56:42 BoogieIcfgContainer [2023-08-26 03:56:42,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 03:56:42,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 03:56:42,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 03:56:42,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 03:56:42,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 03:56:41" (1/3) ... [2023-08-26 03:56:42,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d09ade0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 03:56:42, skipping insertion in model container [2023-08-26 03:56:42,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:56:42" (2/3) ... [2023-08-26 03:56:42,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d09ade0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 03:56:42, skipping insertion in model container [2023-08-26 03:56:42,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 03:56:42" (3/3) ... [2023-08-26 03:56:42,848 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-26 03:56:42,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 03:56:42,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-26 03:56:42,889 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 03:56:42,955 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 03:56:42,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 93 transitions, 196 flow [2023-08-26 03:56:43,016 INFO L124 PetriNetUnfolderBase]: 3/91 cut-off events. [2023-08-26 03:56:43,016 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 03:56:43,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 100 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2023-08-26 03:56:43,021 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 93 transitions, 196 flow [2023-08-26 03:56:43,024 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 91 transitions, 188 flow [2023-08-26 03:56:43,027 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 03:56:43,036 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 91 transitions, 188 flow [2023-08-26 03:56:43,038 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 91 transitions, 188 flow [2023-08-26 03:56:43,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 91 transitions, 188 flow [2023-08-26 03:56:43,060 INFO L124 PetriNetUnfolderBase]: 3/91 cut-off events. [2023-08-26 03:56:43,060 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 03:56:43,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 98 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2023-08-26 03:56:43,062 INFO L119 LiptonReduction]: Number of co-enabled transitions 2200 [2023-08-26 03:56:45,651 INFO L134 LiptonReduction]: Checked pairs total: 7046 [2023-08-26 03:56:45,652 INFO L136 LiptonReduction]: Total number of compositions: 100 [2023-08-26 03:56:45,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 03:56:45,669 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;@1b992631, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 03:56:45,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-08-26 03:56:45,671 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 03:56:45,671 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-26 03:56:45,671 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 03:56:45,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 03:56:45,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-26 03:56:45,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 03:56:45,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 03:56:45,676 INFO L85 PathProgramCache]: Analyzing trace with hash 471589, now seen corresponding path program 1 times [2023-08-26 03:56:45,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 03:56:45,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145188690] [2023-08-26 03:56:45,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 03:56:45,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 03:56:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 03:56:45,821 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 03:56:45,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 03:56:45,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145188690] [2023-08-26 03:56:45,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145188690] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 03:56:45,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 03:56:45,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 03:56:45,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561250381] [2023-08-26 03:56:45,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 03:56:45,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 03:56:45,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 03:56:45,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 03:56:45,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 03:56:45,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 193 [2023-08-26 03:56:45,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 68 flow. Second operand has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 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 03:56:45,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 03:56:45,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 193 [2023-08-26 03:56:45,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 03:56:45,909 INFO L124 PetriNetUnfolderBase]: 87/160 cut-off events. [2023-08-26 03:56:45,910 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-26 03:56:45,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 160 events. 87/160 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 479 event pairs, 87 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 324. Up to 161 conditions per place. [2023-08-26 03:56:45,912 INFO L140 encePairwiseOnDemand]: 175/193 looper letters, 12 selfloop transitions, 0 changer transitions 1/13 dead transitions. [2023-08-26 03:56:45,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 58 flow [2023-08-26 03:56:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 03:56:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 03:56:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 159 transitions. [2023-08-26 03:56:45,923 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4119170984455959 [2023-08-26 03:56:45,923 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 159 transitions. [2023-08-26 03:56:45,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 159 transitions. [2023-08-26 03:56:45,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 03:56:45,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 159 transitions. [2023-08-26 03:56:45,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 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 03:56:45,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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 03:56:45,932 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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 03:56:45,933 INFO L175 Difference]: Start difference. First operand has 37 places, 31 transitions, 68 flow. Second operand 2 states and 159 transitions. [2023-08-26 03:56:45,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 13 transitions, 58 flow [2023-08-26 03:56:45,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 13 transitions, 56 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 03:56:45,937 INFO L231 Difference]: Finished difference. Result has 19 places, 12 transitions, 28 flow [2023-08-26 03:56:45,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=28, PETRI_PLACES=19, PETRI_TRANSITIONS=12} [2023-08-26 03:56:45,945 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -18 predicate places. [2023-08-26 03:56:45,945 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 12 transitions, 28 flow [2023-08-26 03:56:45,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 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 03:56:45,945 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 03:56:45,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-26 03:56:45,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 03:56:45,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 03:56:45,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 03:56:45,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1165627333, now seen corresponding path program 1 times [2023-08-26 03:56:45,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 03:56:45,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688779125] [2023-08-26 03:56:45,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 03:56:45,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 03:56:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 03:56:46,055 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 03:56:46,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 03:56:46,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688779125] [2023-08-26 03:56:46,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688779125] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 03:56:46,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 03:56:46,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 03:56:46,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324697421] [2023-08-26 03:56:46,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 03:56:46,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 03:56:46,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 03:56:46,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 03:56:46,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 03:56:46,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 193 [2023-08-26 03:56:46,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 12 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 03:56:46,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 03:56:46,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 193 [2023-08-26 03:56:46,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 03:56:46,090 INFO L124 PetriNetUnfolderBase]: 56/109 cut-off events. [2023-08-26 03:56:46,091 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 03:56:46,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 109 events. 56/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 337 event pairs, 11 based on Foata normal form. 4/113 useless extension candidates. Maximal degree in co-relation 228. Up to 96 conditions per place. [2023-08-26 03:56:46,092 INFO L140 encePairwiseOnDemand]: 190/193 looper letters, 16 selfloop transitions, 2 changer transitions 0/18 dead transitions. [2023-08-26 03:56:46,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 18 transitions, 78 flow [2023-08-26 03:56:46,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 03:56:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 03:56:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2023-08-26 03:56:46,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3592400690846287 [2023-08-26 03:56:46,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 208 transitions. [2023-08-26 03:56:46,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 208 transitions. [2023-08-26 03:56:46,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 03:56:46,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 208 transitions. [2023-08-26 03:56:46,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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 03:56:46,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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 03:56:46,098 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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 03:56:46,098 INFO L175 Difference]: Start difference. First operand has 19 places, 12 transitions, 28 flow. Second operand 3 states and 208 transitions. [2023-08-26 03:56:46,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 18 transitions, 78 flow [2023-08-26 03:56:46,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 18 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 03:56:46,099 INFO L231 Difference]: Finished difference. Result has 21 places, 12 transitions, 36 flow [2023-08-26 03:56:46,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=36, PETRI_PLACES=21, PETRI_TRANSITIONS=12} [2023-08-26 03:56:46,099 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -16 predicate places. [2023-08-26 03:56:46,100 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 12 transitions, 36 flow [2023-08-26 03:56:46,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 03:56:46,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 03:56:46,100 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-26 03:56:46,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 03:56:46,100 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 03:56:46,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 03:56:46,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1774707966, now seen corresponding path program 1 times [2023-08-26 03:56:46,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 03:56:46,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111236354] [2023-08-26 03:56:46,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 03:56:46,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 03:56:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 03:56:46,173 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 03:56:46,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 03:56:46,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111236354] [2023-08-26 03:56:46,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111236354] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 03:56:46,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 03:56:46,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 03:56:46,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495924396] [2023-08-26 03:56:46,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 03:56:46,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 03:56:46,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 03:56:46,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 03:56:46,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 03:56:46,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 193 [2023-08-26 03:56:46,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 12 transitions, 36 flow. Second operand has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 03:56:46,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 03:56:46,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 193 [2023-08-26 03:56:46,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 03:56:46,218 INFO L124 PetriNetUnfolderBase]: 54/113 cut-off events. [2023-08-26 03:56:46,218 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-08-26 03:56:46,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 113 events. 54/113 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 314 event pairs, 23 based on Foata normal form. 12/125 useless extension candidates. Maximal degree in co-relation 263. Up to 44 conditions per place. [2023-08-26 03:56:46,219 INFO L140 encePairwiseOnDemand]: 189/193 looper letters, 12 selfloop transitions, 3 changer transitions 5/20 dead transitions. [2023-08-26 03:56:46,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 20 transitions, 95 flow [2023-08-26 03:56:46,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 03:56:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 03:56:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 270 transitions. [2023-08-26 03:56:46,222 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34974093264248707 [2023-08-26 03:56:46,222 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 270 transitions. [2023-08-26 03:56:46,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 270 transitions. [2023-08-26 03:56:46,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 03:56:46,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 270 transitions. [2023-08-26 03:56:46,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 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 03:56:46,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 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 03:56:46,226 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 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 03:56:46,226 INFO L175 Difference]: Start difference. First operand has 21 places, 12 transitions, 36 flow. Second operand 4 states and 270 transitions. [2023-08-26 03:56:46,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 20 transitions, 95 flow [2023-08-26 03:56:46,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 20 transitions, 89 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 03:56:46,227 INFO L231 Difference]: Finished difference. Result has 24 places, 12 transitions, 46 flow [2023-08-26 03:56:46,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=46, PETRI_PLACES=24, PETRI_TRANSITIONS=12} [2023-08-26 03:56:46,228 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -13 predicate places. [2023-08-26 03:56:46,228 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 12 transitions, 46 flow [2023-08-26 03:56:46,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 03:56:46,228 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 03:56:46,228 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 03:56:46,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 03:56:46,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 03:56:46,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 03:56:46,229 INFO L85 PathProgramCache]: Analyzing trace with hash 391574884, now seen corresponding path program 1 times [2023-08-26 03:56:46,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 03:56:46,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061847612] [2023-08-26 03:56:46,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 03:56:46,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 03:56:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 03:56:46,286 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 03:56:46,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 03:56:46,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061847612] [2023-08-26 03:56:46,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061847612] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 03:56:46,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 03:56:46,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 03:56:46,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235588489] [2023-08-26 03:56:46,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 03:56:46,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 03:56:46,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 03:56:46,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 03:56:46,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 03:56:46,289 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 193 [2023-08-26 03:56:46,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 12 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 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 03:56:46,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 03:56:46,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 193 [2023-08-26 03:56:46,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 03:56:46,319 INFO L124 PetriNetUnfolderBase]: 15/38 cut-off events. [2023-08-26 03:56:46,319 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-08-26 03:56:46,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 38 events. 15/38 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 7 based on Foata normal form. 6/44 useless extension candidates. Maximal degree in co-relation 97. Up to 22 conditions per place. [2023-08-26 03:56:46,320 INFO L140 encePairwiseOnDemand]: 190/193 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2023-08-26 03:56:46,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 13 transitions, 68 flow [2023-08-26 03:56:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 03:56:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 03:56:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 263 transitions. [2023-08-26 03:56:46,322 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34067357512953367 [2023-08-26 03:56:46,322 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 263 transitions. [2023-08-26 03:56:46,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 263 transitions. [2023-08-26 03:56:46,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 03:56:46,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 263 transitions. [2023-08-26 03:56:46,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 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 03:56:46,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 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 03:56:46,326 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 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 03:56:46,326 INFO L175 Difference]: Start difference. First operand has 24 places, 12 transitions, 46 flow. Second operand 4 states and 263 transitions. [2023-08-26 03:56:46,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 13 transitions, 68 flow [2023-08-26 03:56:46,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 13 transitions, 56 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-26 03:56:46,327 INFO L231 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2023-08-26 03:56:46,327 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=17, 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=4, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2023-08-26 03:56:46,327 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -17 predicate places. [2023-08-26 03:56:46,328 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 0 transitions, 0 flow [2023-08-26 03:56:46,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 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 03:56:46,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2023-08-26 03:56:46,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2023-08-26 03:56:46,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2023-08-26 03:56:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2023-08-26 03:56:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2023-08-26 03:56:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2023-08-26 03:56:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2023-08-26 03:56:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2023-08-26 03:56:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2023-08-26 03:56:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2023-08-26 03:56:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2023-08-26 03:56:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2023-08-26 03:56:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2023-08-26 03:56:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2023-08-26 03:56:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2023-08-26 03:56:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2023-08-26 03:56:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2023-08-26 03:56:46,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONASSERT (12 of 30 remaining) [2023-08-26 03:56:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 30 remaining) [2023-08-26 03:56:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 30 remaining) [2023-08-26 03:56:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2023-08-26 03:56:46,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2023-08-26 03:56:46,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2023-08-26 03:56:46,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2023-08-26 03:56:46,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2023-08-26 03:56:46,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2023-08-26 03:56:46,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2023-08-26 03:56:46,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2023-08-26 03:56:46,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2023-08-26 03:56:46,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2023-08-26 03:56:46,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 03:56:46,348 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-26 03:56:46,353 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 03:56:46,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 03:56:46,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 03:56:46 BasicIcfg [2023-08-26 03:56:46,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 03:56:46,363 INFO L158 Benchmark]: Toolchain (without parser) took 4604.66ms. Allocated memory was 390.1MB in the beginning and 532.7MB in the end (delta: 142.6MB). Free memory was 365.9MB in the beginning and 420.1MB in the end (delta: -54.2MB). Peak memory consumption was 89.8MB. Max. memory is 16.0GB. [2023-08-26 03:56:46,363 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 390.1MB. Free memory is still 366.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 03:56:46,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.85ms. Allocated memory is still 390.1MB. Free memory was 365.6MB in the beginning and 345.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-26 03:56:46,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.57ms. Allocated memory is still 390.1MB. Free memory was 345.4MB in the beginning and 343.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 03:56:46,364 INFO L158 Benchmark]: Boogie Preprocessor took 35.61ms. Allocated memory is still 390.1MB. Free memory was 343.3MB in the beginning and 341.9MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 03:56:46,365 INFO L158 Benchmark]: RCFGBuilder took 519.95ms. Allocated memory is still 390.1MB. Free memory was 341.5MB in the beginning and 318.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-08-26 03:56:46,365 INFO L158 Benchmark]: TraceAbstraction took 3517.06ms. Allocated memory was 390.1MB in the beginning and 532.7MB in the end (delta: 142.6MB). Free memory was 317.7MB in the beginning and 420.1MB in the end (delta: -102.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.0GB. [2023-08-26 03:56:46,366 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 390.1MB. Free memory is still 366.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 467.85ms. Allocated memory is still 390.1MB. Free memory was 365.6MB in the beginning and 345.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 58.57ms. Allocated memory is still 390.1MB. Free memory was 345.4MB in the beginning and 343.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 35.61ms. Allocated memory is still 390.1MB. Free memory was 343.3MB in the beginning and 341.9MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 519.95ms. Allocated memory is still 390.1MB. Free memory was 341.5MB in the beginning and 318.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * TraceAbstraction took 3517.06ms. Allocated memory was 390.1MB in the beginning and 532.7MB in the end (delta: 142.6MB). Free memory was 317.7MB in the beginning and 420.1MB in the end (delta: -102.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 95 PlacesBefore, 37 PlacesAfterwards, 91 TransitionsBefore, 31 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 7 FixpointIterations, 19 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 100 TotalNumberOfCompositions, 7046 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4050, independent: 3862, independent conditional: 0, independent unconditional: 3862, dependent: 188, dependent conditional: 0, dependent unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1280, independent: 1240, independent conditional: 0, independent unconditional: 1240, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4050, independent: 2622, independent conditional: 0, independent unconditional: 2622, dependent: 148, dependent conditional: 0, dependent unconditional: 148, unknown: 1280, unknown conditional: 0, unknown unconditional: 1280] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 17]: 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, 117 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 03:56:46,385 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...