./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:10:48,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:10:48,859 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 15:10:48,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:10:48,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:10:48,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:10:48,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:10:48,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:10:48,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:10:48,878 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:10:48,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 15:10:48,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 15:10:48,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:10:48,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:10:48,880 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:10:48,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:10:48,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 15:10:48,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:10:48,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:10:48,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:10:48,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:10:48,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 15:10:48,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 15:10:48,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 15:10:48,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:10:48,889 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 15:10:48,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:10:48,890 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:10:48,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:10:48,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:10:48,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:10:48,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:10:48,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 15:10:48,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 15:10:48,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:10:48,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:10:48,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 15:10:48,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 15:10:48,896 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:10:48,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 15:10:48,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 15:10:48,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 15:10:48,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 15:10:48,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 15:10:48,897 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 [2024-11-09 15:10:49,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:10:49,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:10:49,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:10:49,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:10:49,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:10:49,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-09 15:10:50,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:10:50,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:10:50,600 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-09 15:10:50,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c5c15533/10c0c83a0ec54924ae0ee3f9360acd9c/FLAGd0cae1424 [2024-11-09 15:10:50,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c5c15533/10c0c83a0ec54924ae0ee3f9360acd9c [2024-11-09 15:10:50,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:10:50,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:10:50,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:10:50,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:10:50,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:10:50,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:50,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a427e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50, skipping insertion in model container [2024-11-09 15:10:50,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:50,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:10:50,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:10:50,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:10:50,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:10:50,916 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:10:50,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50 WrapperNode [2024-11-09 15:10:50,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:10:50,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:10:50,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:10:50,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:10:50,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:50,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:50,970 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 190 [2024-11-09 15:10:50,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:10:50,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:10:50,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:10:50,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:10:50,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:50,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:50,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:51,012 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 15:10:51,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:51,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:51,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:51,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:51,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:51,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:51,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:10:51,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:10:51,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:10:51,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:10:51,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (1/1) ... [2024-11-09 15:10:51,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:10:51,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:10:51,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 15:10:51,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 15:10:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:10:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 15:10:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 15:10:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 15:10:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 15:10:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 15:10:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 15:10:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 15:10:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 15:10:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:10:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:10:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:10:51,133 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 15:10:51,222 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:10:51,224 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:10:51,478 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 15:10:51,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:10:51,618 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:10:51,619 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 15:10:51,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:51 BoogieIcfgContainer [2024-11-09 15:10:51,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:10:51,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 15:10:51,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 15:10:51,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 15:10:51,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:10:50" (1/3) ... [2024-11-09 15:10:51,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1126a4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:10:51, skipping insertion in model container [2024-11-09 15:10:51,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:50" (2/3) ... [2024-11-09 15:10:51,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1126a4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:10:51, skipping insertion in model container [2024-11-09 15:10:51,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:51" (3/3) ... [2024-11-09 15:10:51,631 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-11-09 15:10:51,646 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 15:10:51,646 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-09 15:10:51,646 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 15:10:51,702 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-09 15:10:51,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 73 transitions, 174 flow [2024-11-09 15:10:51,761 INFO L124 PetriNetUnfolderBase]: 3/69 cut-off events. [2024-11-09 15:10:51,761 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 15:10:51,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 69 events. 3/69 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 182 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-11-09 15:10:51,765 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 73 transitions, 174 flow [2024-11-09 15:10:51,768 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 67 transitions, 155 flow [2024-11-09 15:10:51,775 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 15:10:51,781 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d23c82b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 15:10:51,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-09 15:10:51,786 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 15:10:51,786 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-11-09 15:10:51,786 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 15:10:51,787 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:10:51,787 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:10:51,788 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:10:51,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:10:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash 473808465, now seen corresponding path program 1 times [2024-11-09 15:10:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:10:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744079550] [2024-11-09 15:10:51,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:10:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:10:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:10:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:10:52,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:10:52,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744079550] [2024-11-09 15:10:52,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744079550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:10:52,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:10:52,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:10:52,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356365188] [2024-11-09 15:10:52,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:10:52,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 15:10:52,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:10:52,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:10:52,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:10:52,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:10:52,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 67 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-11-09 15:10:52,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:10:52,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:10:52,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:10:54,960 INFO L124 PetriNetUnfolderBase]: 30142/42635 cut-off events. [2024-11-09 15:10:54,961 INFO L125 PetriNetUnfolderBase]: For 1739/1739 co-relation queries the response was YES. [2024-11-09 15:10:55,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83311 conditions, 42635 events. 30142/42635 cut-off events. For 1739/1739 co-relation queries the response was YES. Maximal size of possible extension queue 2285. Compared 310024 event pairs, 28966 based on Foata normal form. 0/26711 useless extension candidates. Maximal degree in co-relation 78608. Up to 38913 conditions per place. [2024-11-09 15:10:55,205 INFO L140 encePairwiseOnDemand]: 66/73 looper letters, 42 selfloop transitions, 3 changer transitions 0/63 dead transitions. [2024-11-09 15:10:55,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 63 transitions, 237 flow [2024-11-09 15:10:55,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:10:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 15:10:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 115 transitions. [2024-11-09 15:10:55,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5251141552511416 [2024-11-09 15:10:55,216 INFO L175 Difference]: Start difference. First operand has 77 places, 67 transitions, 155 flow. Second operand 3 states and 115 transitions. [2024-11-09 15:10:55,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 63 transitions, 237 flow [2024-11-09 15:10:55,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 63 transitions, 224 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-09 15:10:55,295 INFO L231 Difference]: Finished difference. Result has 68 places, 63 transitions, 140 flow [2024-11-09 15:10:55,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=68, PETRI_TRANSITIONS=63} [2024-11-09 15:10:55,299 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -9 predicate places. [2024-11-09 15:10:55,299 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 63 transitions, 140 flow [2024-11-09 15:10:55,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-11-09 15:10:55,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:10:55,300 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:10:55,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 15:10:55,301 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:10:55,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:10:55,302 INFO L85 PathProgramCache]: Analyzing trace with hash 473808466, now seen corresponding path program 1 times [2024-11-09 15:10:55,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:10:55,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851331918] [2024-11-09 15:10:55,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:10:55,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:10:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:10:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:10:55,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:10:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851331918] [2024-11-09 15:10:55,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851331918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:10:55,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:10:55,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:10:55,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803921334] [2024-11-09 15:10:55,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:10:55,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 15:10:55,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:10:55,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:10:55,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:10:55,415 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:10:55,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 63 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-11-09 15:10:55,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:10:55,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:10:55,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:10:57,559 INFO L124 PetriNetUnfolderBase]: 29933/42110 cut-off events. [2024-11-09 15:10:57,559 INFO L125 PetriNetUnfolderBase]: For 464/464 co-relation queries the response was YES. [2024-11-09 15:10:57,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81898 conditions, 42110 events. 29933/42110 cut-off events. For 464/464 co-relation queries the response was YES. Maximal size of possible extension queue 2310. Compared 300803 event pairs, 22133 based on Foata normal form. 0/26713 useless extension candidates. Maximal degree in co-relation 81877. Up to 38693 conditions per place. [2024-11-09 15:10:57,799 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 49 selfloop transitions, 7 changer transitions 0/74 dead transitions. [2024-11-09 15:10:57,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 74 transitions, 278 flow [2024-11-09 15:10:57,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:10:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 15:10:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 126 transitions. [2024-11-09 15:10:57,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5753424657534246 [2024-11-09 15:10:57,802 INFO L175 Difference]: Start difference. First operand has 68 places, 63 transitions, 140 flow. Second operand 3 states and 126 transitions. [2024-11-09 15:10:57,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 74 transitions, 278 flow [2024-11-09 15:10:57,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 15:10:57,805 INFO L231 Difference]: Finished difference. Result has 69 places, 67 transitions, 179 flow [2024-11-09 15:10:57,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=69, PETRI_TRANSITIONS=67} [2024-11-09 15:10:57,806 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -8 predicate places. [2024-11-09 15:10:57,806 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 67 transitions, 179 flow [2024-11-09 15:10:57,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-11-09 15:10:57,807 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:10:57,807 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:10:57,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 15:10:57,807 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:10:57,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:10:57,808 INFO L85 PathProgramCache]: Analyzing trace with hash 831631970, now seen corresponding path program 1 times [2024-11-09 15:10:57,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:10:57,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213543096] [2024-11-09 15:10:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:10:57,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:10:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:10:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:10:57,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:10:57,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213543096] [2024-11-09 15:10:57,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213543096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:10:57,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:10:57,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 15:10:57,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111795973] [2024-11-09 15:10:57,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:10:57,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 15:10:57,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:10:57,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:10:57,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:10:57,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:10:57,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 67 transitions, 179 flow. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-11-09 15:10:57,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:10:57,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:10:57,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:10:59,981 INFO L124 PetriNetUnfolderBase]: 28506/40336 cut-off events. [2024-11-09 15:10:59,982 INFO L125 PetriNetUnfolderBase]: For 3787/3787 co-relation queries the response was YES. [2024-11-09 15:11:00,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86061 conditions, 40336 events. 28506/40336 cut-off events. For 3787/3787 co-relation queries the response was YES. Maximal size of possible extension queue 2320. Compared 291409 event pairs, 12278 based on Foata normal form. 0/25983 useless extension candidates. Maximal degree in co-relation 77067. Up to 36510 conditions per place. [2024-11-09 15:11:00,208 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 75 selfloop transitions, 11 changer transitions 0/104 dead transitions. [2024-11-09 15:11:00,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 104 transitions, 441 flow [2024-11-09 15:11:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:11:00,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 15:11:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 178 transitions. [2024-11-09 15:11:00,210 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6095890410958904 [2024-11-09 15:11:00,210 INFO L175 Difference]: Start difference. First operand has 69 places, 67 transitions, 179 flow. Second operand 4 states and 178 transitions. [2024-11-09 15:11:00,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 104 transitions, 441 flow [2024-11-09 15:11:00,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 104 transitions, 434 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 15:11:00,213 INFO L231 Difference]: Finished difference. Result has 72 places, 71 transitions, 234 flow [2024-11-09 15:11:00,214 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=234, PETRI_PLACES=72, PETRI_TRANSITIONS=71} [2024-11-09 15:11:00,215 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -5 predicate places. [2024-11-09 15:11:00,215 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 71 transitions, 234 flow [2024-11-09 15:11:00,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-11-09 15:11:00,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:11:00,216 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:11:00,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 15:11:00,216 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:11:00,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:11:00,217 INFO L85 PathProgramCache]: Analyzing trace with hash 816651990, now seen corresponding path program 1 times [2024-11-09 15:11:00,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:11:00,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717726975] [2024-11-09 15:11:00,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:11:00,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:11:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:11:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:11:00,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:11:00,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717726975] [2024-11-09 15:11:00,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717726975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:11:00,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:11:00,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:11:00,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971262401] [2024-11-09 15:11:00,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:11:00,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 15:11:00,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:11:00,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:11:00,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:11:00,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:11:00,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 71 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-11-09 15:11:00,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:11:00,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:11:00,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:11:02,327 INFO L124 PetriNetUnfolderBase]: 26729/38156 cut-off events. [2024-11-09 15:11:02,327 INFO L125 PetriNetUnfolderBase]: For 12393/12393 co-relation queries the response was YES. [2024-11-09 15:11:02,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91898 conditions, 38156 events. 26729/38156 cut-off events. For 12393/12393 co-relation queries the response was YES. Maximal size of possible extension queue 2225. Compared 266931 event pairs, 10072 based on Foata normal form. 0/26322 useless extension candidates. Maximal degree in co-relation 52677. Up to 23696 conditions per place. [2024-11-09 15:11:02,538 INFO L140 encePairwiseOnDemand]: 58/73 looper letters, 80 selfloop transitions, 11 changer transitions 0/109 dead transitions. [2024-11-09 15:11:02,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 109 transitions, 551 flow [2024-11-09 15:11:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:11:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 15:11:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 149 transitions. [2024-11-09 15:11:02,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.680365296803653 [2024-11-09 15:11:02,540 INFO L175 Difference]: Start difference. First operand has 72 places, 71 transitions, 234 flow. Second operand 3 states and 149 transitions. [2024-11-09 15:11:02,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 109 transitions, 551 flow [2024-11-09 15:11:02,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 109 transitions, 517 flow, removed 8 selfloop flow, removed 2 redundant places. [2024-11-09 15:11:02,543 INFO L231 Difference]: Finished difference. Result has 74 places, 79 transitions, 296 flow [2024-11-09 15:11:02,543 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=296, PETRI_PLACES=74, PETRI_TRANSITIONS=79} [2024-11-09 15:11:02,543 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -3 predicate places. [2024-11-09 15:11:02,544 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 79 transitions, 296 flow [2024-11-09 15:11:02,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-11-09 15:11:02,544 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:11:02,544 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:11:02,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 15:11:02,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:11:02,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:11:02,544 INFO L85 PathProgramCache]: Analyzing trace with hash 816651989, now seen corresponding path program 1 times [2024-11-09 15:11:02,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:11:02,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929673092] [2024-11-09 15:11:02,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:11:02,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:11:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:11:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:11:02,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:11:02,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929673092] [2024-11-09 15:11:02,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929673092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:11:02,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:11:02,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:11:02,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153905842] [2024-11-09 15:11:02,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:11:02,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 15:11:02,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:11:02,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:11:02,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:11:02,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:11:02,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 79 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-11-09 15:11:02,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:11:02,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:11:02,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:11:03,726 INFO L124 PetriNetUnfolderBase]: 13338/19124 cut-off events. [2024-11-09 15:11:03,727 INFO L125 PetriNetUnfolderBase]: For 14647/14647 co-relation queries the response was YES. [2024-11-09 15:11:03,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50990 conditions, 19124 events. 13338/19124 cut-off events. For 14647/14647 co-relation queries the response was YES. Maximal size of possible extension queue 1046. Compared 125797 event pairs, 10730 based on Foata normal form. 2417/16669 useless extension candidates. Maximal degree in co-relation 13287. Up to 17607 conditions per place. [2024-11-09 15:11:03,932 INFO L140 encePairwiseOnDemand]: 66/73 looper letters, 50 selfloop transitions, 3 changer transitions 0/71 dead transitions. [2024-11-09 15:11:03,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 71 transitions, 362 flow [2024-11-09 15:11:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:11:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 15:11:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2024-11-09 15:11:03,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5068493150684932 [2024-11-09 15:11:03,938 INFO L175 Difference]: Start difference. First operand has 74 places, 79 transitions, 296 flow. Second operand 3 states and 111 transitions. [2024-11-09 15:11:03,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 71 transitions, 362 flow [2024-11-09 15:11:03,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 71 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 15:11:03,947 INFO L231 Difference]: Finished difference. Result has 70 places, 71 transitions, 248 flow [2024-11-09 15:11:03,947 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=70, PETRI_TRANSITIONS=71} [2024-11-09 15:11:03,947 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -7 predicate places. [2024-11-09 15:11:03,947 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 71 transitions, 248 flow [2024-11-09 15:11:03,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-11-09 15:11:03,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:11:03,948 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:11:03,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 15:11:03,948 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:11:03,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:11:03,948 INFO L85 PathProgramCache]: Analyzing trace with hash 326315264, now seen corresponding path program 1 times [2024-11-09 15:11:03,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:11:03,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99980192] [2024-11-09 15:11:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:11:03,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:11:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:11:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:11:04,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:11:04,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99980192] [2024-11-09 15:11:04,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99980192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:11:04,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:11:04,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:11:04,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990491909] [2024-11-09 15:11:04,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:11:04,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 15:11:04,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:11:04,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 15:11:04,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 15:11:04,090 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:11:04,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 71 transitions, 248 flow. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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) [2024-11-09 15:11:04,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:11:04,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:11:04,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:11:05,143 INFO L124 PetriNetUnfolderBase]: 10799/15756 cut-off events. [2024-11-09 15:11:05,144 INFO L125 PetriNetUnfolderBase]: For 6211/6211 co-relation queries the response was YES. [2024-11-09 15:11:05,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39640 conditions, 15756 events. 10799/15756 cut-off events. For 6211/6211 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 102116 event pairs, 2016 based on Foata normal form. 0/12405 useless extension candidates. Maximal degree in co-relation 39610. Up to 12905 conditions per place. [2024-11-09 15:11:05,231 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 92 selfloop transitions, 15 changer transitions 0/125 dead transitions. [2024-11-09 15:11:05,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 125 transitions, 630 flow [2024-11-09 15:11:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 15:11:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 15:11:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 213 transitions. [2024-11-09 15:11:05,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5835616438356165 [2024-11-09 15:11:05,232 INFO L175 Difference]: Start difference. First operand has 70 places, 71 transitions, 248 flow. Second operand 5 states and 213 transitions. [2024-11-09 15:11:05,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 125 transitions, 630 flow [2024-11-09 15:11:05,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 125 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 15:11:05,235 INFO L231 Difference]: Finished difference. Result has 73 places, 75 transitions, 320 flow [2024-11-09 15:11:05,235 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=320, PETRI_PLACES=73, PETRI_TRANSITIONS=75} [2024-11-09 15:11:05,236 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -4 predicate places. [2024-11-09 15:11:05,236 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 75 transitions, 320 flow [2024-11-09 15:11:05,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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) [2024-11-09 15:11:05,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:11:05,236 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:11:05,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 15:11:05,236 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:11:05,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:11:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash -965142401, now seen corresponding path program 1 times [2024-11-09 15:11:05,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:11:05,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182969365] [2024-11-09 15:11:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:11:05,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:11:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:11:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:11:05,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:11:05,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182969365] [2024-11-09 15:11:05,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182969365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:11:05,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:11:05,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 15:11:05,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588265915] [2024-11-09 15:11:05,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:11:05,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 15:11:05,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:11:05,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:11:05,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:11:05,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:11:05,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 320 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-11-09 15:11:05,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:11:05,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:11:05,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:11:05,854 INFO L124 PetriNetUnfolderBase]: 7497/10641 cut-off events. [2024-11-09 15:11:05,854 INFO L125 PetriNetUnfolderBase]: For 9357/9357 co-relation queries the response was YES. [2024-11-09 15:11:05,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30160 conditions, 10641 events. 7497/10641 cut-off events. For 9357/9357 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 59451 event pairs, 1136 based on Foata normal form. 0/9135 useless extension candidates. Maximal degree in co-relation 10573. Up to 6627 conditions per place. [2024-11-09 15:11:05,900 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 103 selfloop transitions, 11 changer transitions 0/132 dead transitions. [2024-11-09 15:11:05,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 132 transitions, 850 flow [2024-11-09 15:11:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:11:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 15:11:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 182 transitions. [2024-11-09 15:11:05,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6232876712328768 [2024-11-09 15:11:05,902 INFO L175 Difference]: Start difference. First operand has 73 places, 75 transitions, 320 flow. Second operand 4 states and 182 transitions. [2024-11-09 15:11:05,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 132 transitions, 850 flow [2024-11-09 15:11:05,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 132 transitions, 768 flow, removed 24 selfloop flow, removed 3 redundant places. [2024-11-09 15:11:05,905 INFO L231 Difference]: Finished difference. Result has 74 places, 79 transitions, 344 flow [2024-11-09 15:11:05,905 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=344, PETRI_PLACES=74, PETRI_TRANSITIONS=79} [2024-11-09 15:11:05,906 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -3 predicate places. [2024-11-09 15:11:05,906 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 79 transitions, 344 flow [2024-11-09 15:11:05,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-11-09 15:11:05,906 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:11:05,906 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:11:05,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 15:11:05,907 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:11:05,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:11:05,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1660718805, now seen corresponding path program 1 times [2024-11-09 15:11:05,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:11:05,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258920983] [2024-11-09 15:11:05,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:11:05,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:11:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:11:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:11:05,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:11:05,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258920983] [2024-11-09 15:11:05,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258920983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:11:05,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:11:05,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:11:05,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018191590] [2024-11-09 15:11:05,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:11:05,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:11:05,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:11:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:11:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:11:05,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:11:05,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 79 transitions, 344 flow. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 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) [2024-11-09 15:11:05,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:11:05,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:11:05,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:11:06,467 INFO L124 PetriNetUnfolderBase]: 6021/9149 cut-off events. [2024-11-09 15:11:06,467 INFO L125 PetriNetUnfolderBase]: For 8810/8810 co-relation queries the response was YES. [2024-11-09 15:11:06,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24530 conditions, 9149 events. 6021/9149 cut-off events. For 8810/8810 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 55545 event pairs, 134 based on Foata normal form. 0/8155 useless extension candidates. Maximal degree in co-relation 21109. Up to 3930 conditions per place. [2024-11-09 15:11:06,525 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 112 selfloop transitions, 19 changer transitions 0/149 dead transitions. [2024-11-09 15:11:06,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 149 transitions, 869 flow [2024-11-09 15:11:06,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 15:11:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 15:11:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 247 transitions. [2024-11-09 15:11:06,527 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5639269406392694 [2024-11-09 15:11:06,527 INFO L175 Difference]: Start difference. First operand has 74 places, 79 transitions, 344 flow. Second operand 6 states and 247 transitions. [2024-11-09 15:11:06,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 149 transitions, 869 flow [2024-11-09 15:11:06,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 149 transitions, 811 flow, removed 12 selfloop flow, removed 2 redundant places. [2024-11-09 15:11:06,532 INFO L231 Difference]: Finished difference. Result has 73 places, 75 transitions, 328 flow [2024-11-09 15:11:06,533 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=328, PETRI_PLACES=73, PETRI_TRANSITIONS=75} [2024-11-09 15:11:06,533 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -4 predicate places. [2024-11-09 15:11:06,533 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 75 transitions, 328 flow [2024-11-09 15:11:06,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 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) [2024-11-09 15:11:06,534 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:11:06,534 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:11:06,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 15:11:06,534 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:11:06,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:11:06,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1618024604, now seen corresponding path program 1 times [2024-11-09 15:11:06,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:11:06,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907434152] [2024-11-09 15:11:06,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:11:06,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:11:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:11:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:11:06,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:11:06,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907434152] [2024-11-09 15:11:06,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907434152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:11:06,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:11:06,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:11:06,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160466561] [2024-11-09 15:11:06,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:11:06,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 15:11:06,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:11:06,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 15:11:06,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 15:11:06,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:11:06,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 328 flow. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2024-11-09 15:11:06,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:11:06,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:11:06,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:11:06,969 INFO L124 PetriNetUnfolderBase]: 4669/6717 cut-off events. [2024-11-09 15:11:06,969 INFO L125 PetriNetUnfolderBase]: For 10293/10293 co-relation queries the response was YES. [2024-11-09 15:11:06,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19360 conditions, 6717 events. 4669/6717 cut-off events. For 10293/10293 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 35173 event pairs, 385 based on Foata normal form. 0/6472 useless extension candidates. Maximal degree in co-relation 6787. Up to 2145 conditions per place. [2024-11-09 15:11:07,004 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 104 selfloop transitions, 15 changer transitions 4/141 dead transitions. [2024-11-09 15:11:07,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 141 transitions, 886 flow [2024-11-09 15:11:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 15:11:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 15:11:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 213 transitions. [2024-11-09 15:11:07,006 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5835616438356165 [2024-11-09 15:11:07,006 INFO L175 Difference]: Start difference. First operand has 73 places, 75 transitions, 328 flow. Second operand 5 states and 213 transitions. [2024-11-09 15:11:07,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 141 transitions, 886 flow [2024-11-09 15:11:07,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 141 transitions, 693 flow, removed 48 selfloop flow, removed 7 redundant places. [2024-11-09 15:11:07,011 INFO L231 Difference]: Finished difference. Result has 71 places, 75 transitions, 297 flow [2024-11-09 15:11:07,012 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=297, PETRI_PLACES=71, PETRI_TRANSITIONS=75} [2024-11-09 15:11:07,012 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -6 predicate places. [2024-11-09 15:11:07,012 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 75 transitions, 297 flow [2024-11-09 15:11:07,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2024-11-09 15:11:07,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:11:07,013 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:11:07,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 15:11:07,013 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-09 15:11:07,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:11:07,013 INFO L85 PathProgramCache]: Analyzing trace with hash 299413730, now seen corresponding path program 1 times [2024-11-09 15:11:07,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:11:07,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159581154] [2024-11-09 15:11:07,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:11:07,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:11:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:11:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:11:07,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:11:07,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159581154] [2024-11-09 15:11:07,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159581154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:11:07,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:11:07,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:11:07,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034601605] [2024-11-09 15:11:07,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:11:07,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:11:07,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:11:07,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:11:07,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:11:07,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-09 15:11:07,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 75 transitions, 297 flow. Second operand has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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) [2024-11-09 15:11:07,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:11:07,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-09 15:11:07,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:11:07,470 INFO L124 PetriNetUnfolderBase]: 4364/6285 cut-off events. [2024-11-09 15:11:07,470 INFO L125 PetriNetUnfolderBase]: For 6494/6494 co-relation queries the response was YES. [2024-11-09 15:11:07,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16552 conditions, 6285 events. 4364/6285 cut-off events. For 6494/6494 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 33152 event pairs, 320 based on Foata normal form. 81/6202 useless extension candidates. Maximal degree in co-relation 7470. Up to 2145 conditions per place. [2024-11-09 15:11:07,490 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2024-11-09 15:11:07,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 133 transitions, 667 flow [2024-11-09 15:11:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 15:11:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 15:11:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 227 transitions. [2024-11-09 15:11:07,493 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5182648401826484 [2024-11-09 15:11:07,493 INFO L175 Difference]: Start difference. First operand has 71 places, 75 transitions, 297 flow. Second operand 6 states and 227 transitions. [2024-11-09 15:11:07,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 133 transitions, 667 flow [2024-11-09 15:11:07,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 133 transitions, 606 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-09 15:11:07,525 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2024-11-09 15:11:07,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2024-11-09 15:11:07,527 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -11 predicate places. [2024-11-09 15:11:07,528 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2024-11-09 15:11:07,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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) [2024-11-09 15:11:07,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 36 remaining) [2024-11-09 15:11:07,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 36 remaining) [2024-11-09 15:11:07,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 36 remaining) [2024-11-09 15:11:07,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 36 remaining) [2024-11-09 15:11:07,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 36 remaining) [2024-11-09 15:11:07,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 36 remaining) [2024-11-09 15:11:07,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 36 remaining) [2024-11-09 15:11:07,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 36 remaining) [2024-11-09 15:11:07,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 36 remaining) [2024-11-09 15:11:07,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 36 remaining) [2024-11-09 15:11:07,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 36 remaining) [2024-11-09 15:11:07,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 36 remaining) [2024-11-09 15:11:07,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 36 remaining) [2024-11-09 15:11:07,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 15:11:07,537 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:11:07,541 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 15:11:07,541 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 15:11:07,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:11:07 BasicIcfg [2024-11-09 15:11:07,545 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 15:11:07,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:11:07,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:11:07,545 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:11:07,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:51" (3/4) ... [2024-11-09 15:11:07,547 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 15:11:07,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 15:11:07,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 15:11:07,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 15:11:07,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-09 15:11:07,552 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-11-09 15:11:07,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-09 15:11:07,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 15:11:07,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 15:11:07,619 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 15:11:07,619 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 15:11:07,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:11:07,620 INFO L158 Benchmark]: Toolchain (without parser) took 16996.14ms. Allocated memory was 172.0MB in the beginning and 12.1GB in the end (delta: 11.9GB). Free memory was 101.1MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-09 15:11:07,620 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 172.0MB. Free memory was 129.9MB in the beginning and 129.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:11:07,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.29ms. Allocated memory is still 172.0MB. Free memory was 101.0MB in the beginning and 141.5MB in the end (delta: -40.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-09 15:11:07,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.51ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 139.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:11:07,620 INFO L158 Benchmark]: Boogie Preprocessor took 54.95ms. Allocated memory is still 172.0MB. Free memory was 139.5MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:11:07,620 INFO L158 Benchmark]: RCFGBuilder took 586.22ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 94.5MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 15:11:07,620 INFO L158 Benchmark]: TraceAbstraction took 15922.26ms. Allocated memory was 172.0MB in the beginning and 12.1GB in the end (delta: 11.9GB). Free memory was 93.4MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-09 15:11:07,621 INFO L158 Benchmark]: Witness Printer took 73.94ms. Allocated memory is still 12.1GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 15:11:07,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 172.0MB. Free memory was 129.9MB in the beginning and 129.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.29ms. Allocated memory is still 172.0MB. Free memory was 101.0MB in the beginning and 141.5MB in the end (delta: -40.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.51ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 139.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.95ms. Allocated memory is still 172.0MB. Free memory was 139.5MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.22ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 94.5MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 15922.26ms. Allocated memory was 172.0MB in the beginning and 12.1GB in the end (delta: 11.9GB). Free memory was 93.4MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 73.94ms. Allocated memory is still 12.1GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 123 locations, 36 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: 15.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 476 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 471 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 994 IncrementalHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 9 mSDtfsCounter, 994 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred in iteration=7, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 15:11:07,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE