./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:45:41,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:45:41,426 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:45:41,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:45:41,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:45:41,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:45:41,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:45:41,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:45:41,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:45:41,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:45:41,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:45:41,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:45:41,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:45:41,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:45:41,474 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:45:41,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:45:41,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:45:41,475 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:45:41,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:45:41,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:45:41,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:45:41,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:45:41,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:45:41,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:45:41,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:45:41,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:45:41,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:45:41,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:45:41,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:45:41,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:45:41,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:45:41,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:45:41,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:45:41,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:45:41,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:45:41,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:45:41,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:45:41,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:45:41,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:45:41,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:45:41,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:45:41,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:45:41,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:45:41,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:45:41,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2024-10-13 16:45:41,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:45:41,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:45:41,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:45:41,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:45:41,794 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:45:41,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-10-13 16:45:43,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:45:43,431 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:45:43,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-10-13 16:45:43,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4279d1988/41cf00a547504adfa6bc6c415df533c8/FLAG128d39135 [2024-10-13 16:45:43,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4279d1988/41cf00a547504adfa6bc6c415df533c8 [2024-10-13 16:45:43,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:45:43,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:45:43,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:45:43,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:45:43,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:45:43,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9c4336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43, skipping insertion in model container [2024-10-13 16:45:43,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:45:43,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:45:43,683 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:45:43,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:45:43,721 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:45:43,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43 WrapperNode [2024-10-13 16:45:43,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:45:43,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:45:43,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:45:43,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:45:43,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,769 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 16, calls inlined = 30, statements flattened = 365 [2024-10-13 16:45:43,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:45:43,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:45:43,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:45:43,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:45:43,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,806 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]. [2024-10-13 16:45:43,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:45:43,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:45:43,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:45:43,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:45:43,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (1/1) ... [2024-10-13 16:45:43,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:45:43,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:45:43,871 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) [2024-10-13 16:45:43,874 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 [2024-10-13 16:45:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:45:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 16:45:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 16:45:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 16:45:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 16:45:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:45:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:45:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:45:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:45:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:45:43,921 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 16:45:44,075 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:45:44,077 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:45:44,652 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:45:44,652 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:45:46,698 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:45:46,698 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:45:46,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:45:46 BoogieIcfgContainer [2024-10-13 16:45:46,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:45:46,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:45:46,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:45:46,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:45:46,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:45:43" (1/3) ... [2024-10-13 16:45:46,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520ed4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:45:46, skipping insertion in model container [2024-10-13 16:45:46,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:45:43" (2/3) ... [2024-10-13 16:45:46,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520ed4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:45:46, skipping insertion in model container [2024-10-13 16:45:46,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:45:46" (3/3) ... [2024-10-13 16:45:46,708 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-symm.wvr.c [2024-10-13 16:45:46,726 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:45:46,728 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-10-13 16:45:46,728 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 16:45:47,299 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 16:45:47,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 64 transitions, 142 flow [2024-10-13 16:45:47,413 INFO L124 PetriNetUnfolderBase]: 0/62 cut-off events. [2024-10-13 16:45:47,413 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 16:45:47,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 0/62 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 328 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-13 16:45:47,415 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 64 transitions, 142 flow [2024-10-13 16:45:47,419 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 60 transitions, 129 flow [2024-10-13 16:45:47,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:45:47,436 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;@12e4367e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:45:47,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-10-13 16:45:47,440 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:45:47,441 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-10-13 16:45:47,441 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:45:47,441 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:47,442 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:47,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:47,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:47,447 INFO L85 PathProgramCache]: Analyzing trace with hash 49530689, now seen corresponding path program 1 times [2024-10-13 16:45:47,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:47,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361616357] [2024-10-13 16:45:47,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:47,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:47,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361616357] [2024-10-13 16:45:47,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361616357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:47,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:47,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:47,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563636065] [2024-10-13 16:45:47,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:47,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:45:47,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:47,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:45:47,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:45:47,751 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:47,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 129 flow. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-13 16:45:47,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:47,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:47,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:49,093 INFO L124 PetriNetUnfolderBase]: 1062/1861 cut-off events. [2024-10-13 16:45:49,094 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-10-13 16:45:49,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3766 conditions, 1861 events. 1062/1861 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 14782 event pairs, 1062 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 3663. Up to 1843 conditions per place. [2024-10-13 16:45:49,115 INFO L140 encePairwiseOnDemand]: 48/64 looper letters, 42 selfloop transitions, 0 changer transitions 0/44 dead transitions. [2024-10-13 16:45:49,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 44 transitions, 181 flow [2024-10-13 16:45:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:45:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-13 16:45:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 66 transitions. [2024-10-13 16:45:49,126 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.515625 [2024-10-13 16:45:49,127 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 129 flow. Second operand 2 states and 66 transitions. [2024-10-13 16:45:49,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 44 transitions, 181 flow [2024-10-13 16:45:49,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 16:45:49,136 INFO L231 Difference]: Finished difference. Result has 49 places, 44 transitions, 92 flow [2024-10-13 16:45:49,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=92, PETRI_PLACES=49, PETRI_TRANSITIONS=44} [2024-10-13 16:45:49,146 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -18 predicate places. [2024-10-13 16:45:49,146 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 44 transitions, 92 flow [2024-10-13 16:45:49,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-13 16:45:49,147 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:49,148 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:49,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:45:49,148 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:49,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:49,149 INFO L85 PathProgramCache]: Analyzing trace with hash 49530690, now seen corresponding path program 1 times [2024-10-13 16:45:49,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:49,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553747923] [2024-10-13 16:45:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:49,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:49,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:49,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553747923] [2024-10-13 16:45:49,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553747923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:49,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:49,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:49,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820276646] [2024-10-13 16:45:49,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:49,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:49,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:49,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:49,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:49,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 44 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:49,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:49,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:49,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:50,341 INFO L124 PetriNetUnfolderBase]: 952/1673 cut-off events. [2024-10-13 16:45:50,341 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:50,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3368 conditions, 1673 events. 952/1673 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 13007 event pairs, 952 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 3365. Up to 1655 conditions per place. [2024-10-13 16:45:50,349 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 39 selfloop transitions, 1 changer transitions 0/42 dead transitions. [2024-10-13 16:45:50,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 168 flow [2024-10-13 16:45:50,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2024-10-13 16:45:50,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28125 [2024-10-13 16:45:50,352 INFO L175 Difference]: Start difference. First operand has 49 places, 44 transitions, 92 flow. Second operand 3 states and 54 transitions. [2024-10-13 16:45:50,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 168 flow [2024-10-13 16:45:50,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 168 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 16:45:50,354 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 90 flow [2024-10-13 16:45:50,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2024-10-13 16:45:50,355 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -18 predicate places. [2024-10-13 16:45:50,355 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 90 flow [2024-10-13 16:45:50,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:50,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:50,355 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:50,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:45:50,355 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:50,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash 49530691, now seen corresponding path program 1 times [2024-10-13 16:45:50,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:50,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169923185] [2024-10-13 16:45:50,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:50,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:50,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:50,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169923185] [2024-10-13 16:45:50,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169923185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:50,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:50,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:50,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658378087] [2024-10-13 16:45:50,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:50,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:50,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:50,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:50,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:50,421 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:50,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:50,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:50,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:50,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:51,074 INFO L124 PetriNetUnfolderBase]: 848/1495 cut-off events. [2024-10-13 16:45:51,074 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:51,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3013 conditions, 1495 events. 848/1495 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 11357 event pairs, 848 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 3009. Up to 1478 conditions per place. [2024-10-13 16:45:51,082 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 37 selfloop transitions, 1 changer transitions 0/40 dead transitions. [2024-10-13 16:45:51,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 162 flow [2024-10-13 16:45:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2024-10-13 16:45:51,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2708333333333333 [2024-10-13 16:45:51,084 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 90 flow. Second operand 3 states and 52 transitions. [2024-10-13 16:45:51,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 162 flow [2024-10-13 16:45:51,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 40 transitions, 161 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:51,085 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 87 flow [2024-10-13 16:45:51,086 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2024-10-13 16:45:51,087 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -19 predicate places. [2024-10-13 16:45:51,087 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 87 flow [2024-10-13 16:45:51,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:51,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:51,088 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:51,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:45:51,089 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:51,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:51,089 INFO L85 PathProgramCache]: Analyzing trace with hash 49530693, now seen corresponding path program 1 times [2024-10-13 16:45:51,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:51,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272248925] [2024-10-13 16:45:51,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:51,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:51,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:51,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272248925] [2024-10-13 16:45:51,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272248925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:51,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:51,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:51,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105096876] [2024-10-13 16:45:51,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:51,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:51,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:51,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:51,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:51,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:51,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:51,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:51,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:51,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:51,788 INFO L124 PetriNetUnfolderBase]: 750/1327 cut-off events. [2024-10-13 16:45:51,788 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:51,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2677 conditions, 1327 events. 750/1327 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 9891 event pairs, 750 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 2673. Up to 1311 conditions per place. [2024-10-13 16:45:51,796 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 35 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2024-10-13 16:45:51,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 38 transitions, 155 flow [2024-10-13 16:45:51,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2024-10-13 16:45:51,799 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2604166666666667 [2024-10-13 16:45:51,799 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 87 flow. Second operand 3 states and 50 transitions. [2024-10-13 16:45:51,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 38 transitions, 155 flow [2024-10-13 16:45:51,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 154 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:51,801 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 84 flow [2024-10-13 16:45:51,801 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-10-13 16:45:51,803 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -20 predicate places. [2024-10-13 16:45:51,803 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 84 flow [2024-10-13 16:45:51,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:51,803 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:51,804 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:51,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:45:51,804 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:51,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:51,805 INFO L85 PathProgramCache]: Analyzing trace with hash 49530694, now seen corresponding path program 1 times [2024-10-13 16:45:51,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:51,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167789577] [2024-10-13 16:45:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:51,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:51,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167789577] [2024-10-13 16:45:51,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167789577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:51,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:51,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:51,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239366964] [2024-10-13 16:45:51,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:51,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:51,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:51,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:51,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:51,940 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:51,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:51,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:51,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:51,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:52,603 INFO L124 PetriNetUnfolderBase]: 658/1169 cut-off events. [2024-10-13 16:45:52,604 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:52,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2361 conditions, 1169 events. 658/1169 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 8584 event pairs, 658 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 2357. Up to 1154 conditions per place. [2024-10-13 16:45:52,609 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 33 selfloop transitions, 1 changer transitions 0/36 dead transitions. [2024-10-13 16:45:52,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 148 flow [2024-10-13 16:45:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2024-10-13 16:45:52,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25 [2024-10-13 16:45:52,611 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 84 flow. Second operand 3 states and 48 transitions. [2024-10-13 16:45:52,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 148 flow [2024-10-13 16:45:52,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 36 transitions, 147 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:52,612 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 81 flow [2024-10-13 16:45:52,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-10-13 16:45:52,613 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -21 predicate places. [2024-10-13 16:45:52,613 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 81 flow [2024-10-13 16:45:52,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:52,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:52,614 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:52,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:45:52,614 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:52,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:52,615 INFO L85 PathProgramCache]: Analyzing trace with hash 49530696, now seen corresponding path program 1 times [2024-10-13 16:45:52,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:52,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996721667] [2024-10-13 16:45:52,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:52,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:52,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996721667] [2024-10-13 16:45:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996721667] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:52,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:52,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:52,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083892802] [2024-10-13 16:45:52,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:52,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:52,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:52,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:52,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:52,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:52,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:52,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:53,208 INFO L124 PetriNetUnfolderBase]: 572/1021 cut-off events. [2024-10-13 16:45:53,208 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:53,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2065 conditions, 1021 events. 572/1021 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 7347 event pairs, 572 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 2061. Up to 1007 conditions per place. [2024-10-13 16:45:53,213 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 31 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2024-10-13 16:45:53,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 34 transitions, 141 flow [2024-10-13 16:45:53,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-10-13 16:45:53,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23958333333333334 [2024-10-13 16:45:53,215 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 46 transitions. [2024-10-13 16:45:53,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 34 transitions, 141 flow [2024-10-13 16:45:53,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 34 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:53,216 INFO L231 Difference]: Finished difference. Result has 45 places, 34 transitions, 78 flow [2024-10-13 16:45:53,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=34} [2024-10-13 16:45:53,217 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -22 predicate places. [2024-10-13 16:45:53,217 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 78 flow [2024-10-13 16:45:53,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:53,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:53,218 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:53,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:45:53,218 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:53,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:53,219 INFO L85 PathProgramCache]: Analyzing trace with hash 49530697, now seen corresponding path program 1 times [2024-10-13 16:45:53,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:53,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374890286] [2024-10-13 16:45:53,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:53,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:53,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:53,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:53,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374890286] [2024-10-13 16:45:53,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374890286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:53,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:53,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:53,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250890497] [2024-10-13 16:45:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:53,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:53,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:53,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:53,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:53,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:53,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:53,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:53,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:53,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:53,688 INFO L124 PetriNetUnfolderBase]: 492/883 cut-off events. [2024-10-13 16:45:53,688 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:53,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1789 conditions, 883 events. 492/883 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 6220 event pairs, 492 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 1785. Up to 870 conditions per place. [2024-10-13 16:45:53,694 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 29 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2024-10-13 16:45:53,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 32 transitions, 134 flow [2024-10-13 16:45:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 44 transitions. [2024-10-13 16:45:53,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.22916666666666666 [2024-10-13 16:45:53,696 INFO L175 Difference]: Start difference. First operand has 45 places, 34 transitions, 78 flow. Second operand 3 states and 44 transitions. [2024-10-13 16:45:53,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 32 transitions, 134 flow [2024-10-13 16:45:53,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 32 transitions, 133 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:53,697 INFO L231 Difference]: Finished difference. Result has 44 places, 32 transitions, 75 flow [2024-10-13 16:45:53,697 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2024-10-13 16:45:53,698 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -23 predicate places. [2024-10-13 16:45:53,698 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 75 flow [2024-10-13 16:45:53,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:53,698 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:53,698 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:53,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:45:53,698 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:53,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:53,699 INFO L85 PathProgramCache]: Analyzing trace with hash 49530699, now seen corresponding path program 1 times [2024-10-13 16:45:53,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:53,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285570878] [2024-10-13 16:45:53,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:53,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:53,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:53,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285570878] [2024-10-13 16:45:53,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285570878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:53,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:53,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:53,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666922534] [2024-10-13 16:45:53,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:53,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:53,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:53,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:53,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:53,797 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:53,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:53,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:53,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:53,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:54,317 INFO L124 PetriNetUnfolderBase]: 418/755 cut-off events. [2024-10-13 16:45:54,318 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:54,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1533 conditions, 755 events. 418/755 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 5124 event pairs, 418 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 1529. Up to 743 conditions per place. [2024-10-13 16:45:54,321 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 27 selfloop transitions, 1 changer transitions 0/30 dead transitions. [2024-10-13 16:45:54,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 30 transitions, 127 flow [2024-10-13 16:45:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-10-13 16:45:54,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21875 [2024-10-13 16:45:54,324 INFO L175 Difference]: Start difference. First operand has 44 places, 32 transitions, 75 flow. Second operand 3 states and 42 transitions. [2024-10-13 16:45:54,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 30 transitions, 127 flow [2024-10-13 16:45:54,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 30 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:54,325 INFO L231 Difference]: Finished difference. Result has 43 places, 30 transitions, 72 flow [2024-10-13 16:45:54,325 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=43, PETRI_TRANSITIONS=30} [2024-10-13 16:45:54,325 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -24 predicate places. [2024-10-13 16:45:54,326 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 72 flow [2024-10-13 16:45:54,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:54,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:54,329 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:54,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:45:54,329 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:54,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash 49530700, now seen corresponding path program 1 times [2024-10-13 16:45:54,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:54,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568249482] [2024-10-13 16:45:54,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:54,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:54,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568249482] [2024-10-13 16:45:54,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568249482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:54,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:54,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:54,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690284414] [2024-10-13 16:45:54,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:54,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:54,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:54,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:54,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:54,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:54,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 30 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:54,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:54,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:54,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:54,854 INFO L124 PetriNetUnfolderBase]: 350/637 cut-off events. [2024-10-13 16:45:54,854 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:54,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1297 conditions, 637 events. 350/637 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 4208 event pairs, 350 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 1293. Up to 626 conditions per place. [2024-10-13 16:45:54,857 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 25 selfloop transitions, 1 changer transitions 0/28 dead transitions. [2024-10-13 16:45:54,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 28 transitions, 120 flow [2024-10-13 16:45:54,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:54,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2024-10-13 16:45:54,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20833333333333334 [2024-10-13 16:45:54,858 INFO L175 Difference]: Start difference. First operand has 43 places, 30 transitions, 72 flow. Second operand 3 states and 40 transitions. [2024-10-13 16:45:54,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 28 transitions, 120 flow [2024-10-13 16:45:54,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 28 transitions, 119 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:54,859 INFO L231 Difference]: Finished difference. Result has 42 places, 28 transitions, 69 flow [2024-10-13 16:45:54,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2024-10-13 16:45:54,859 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -25 predicate places. [2024-10-13 16:45:54,860 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 69 flow [2024-10-13 16:45:54,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:54,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:54,860 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:54,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 16:45:54,860 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:54,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:54,860 INFO L85 PathProgramCache]: Analyzing trace with hash 49530702, now seen corresponding path program 1 times [2024-10-13 16:45:54,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:54,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578159163] [2024-10-13 16:45:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:54,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:54,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578159163] [2024-10-13 16:45:54,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578159163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:54,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:54,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:54,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565758977] [2024-10-13 16:45:54,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:54,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:54,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:54,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:54,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:54,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:54,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:54,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:54,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:54,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:55,204 INFO L124 PetriNetUnfolderBase]: 288/529 cut-off events. [2024-10-13 16:45:55,204 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:55,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 529 events. 288/529 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 3362 event pairs, 288 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 1077. Up to 519 conditions per place. [2024-10-13 16:45:55,207 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 23 selfloop transitions, 1 changer transitions 0/26 dead transitions. [2024-10-13 16:45:55,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 26 transitions, 113 flow [2024-10-13 16:45:55,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-10-13 16:45:55,208 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.19791666666666666 [2024-10-13 16:45:55,208 INFO L175 Difference]: Start difference. First operand has 42 places, 28 transitions, 69 flow. Second operand 3 states and 38 transitions. [2024-10-13 16:45:55,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 26 transitions, 113 flow [2024-10-13 16:45:55,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 26 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:55,209 INFO L231 Difference]: Finished difference. Result has 41 places, 26 transitions, 66 flow [2024-10-13 16:45:55,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=41, PETRI_TRANSITIONS=26} [2024-10-13 16:45:55,210 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -26 predicate places. [2024-10-13 16:45:55,210 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 26 transitions, 66 flow [2024-10-13 16:45:55,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:55,211 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:55,211 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:55,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 16:45:55,211 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:55,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash 49530703, now seen corresponding path program 1 times [2024-10-13 16:45:55,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:55,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121296214] [2024-10-13 16:45:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:55,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:55,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:55,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121296214] [2024-10-13 16:45:55,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121296214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:55,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:55,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:55,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160701806] [2024-10-13 16:45:55,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:55,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:55,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:55,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:55,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:55,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:55,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 26 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:55,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:55,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:55,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:55,484 INFO L124 PetriNetUnfolderBase]: 232/431 cut-off events. [2024-10-13 16:45:55,485 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:55,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 431 events. 232/431 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 2584 event pairs, 232 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 881. Up to 422 conditions per place. [2024-10-13 16:45:55,487 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 21 selfloop transitions, 1 changer transitions 0/24 dead transitions. [2024-10-13 16:45:55,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 24 transitions, 106 flow [2024-10-13 16:45:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2024-10-13 16:45:55,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.1875 [2024-10-13 16:45:55,488 INFO L175 Difference]: Start difference. First operand has 41 places, 26 transitions, 66 flow. Second operand 3 states and 36 transitions. [2024-10-13 16:45:55,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 24 transitions, 106 flow [2024-10-13 16:45:55,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 24 transitions, 105 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:55,489 INFO L231 Difference]: Finished difference. Result has 40 places, 24 transitions, 63 flow [2024-10-13 16:45:55,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=63, PETRI_PLACES=40, PETRI_TRANSITIONS=24} [2024-10-13 16:45:55,490 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -27 predicate places. [2024-10-13 16:45:55,490 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 24 transitions, 63 flow [2024-10-13 16:45:55,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:55,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:55,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:55,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 16:45:55,490 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:55,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:55,491 INFO L85 PathProgramCache]: Analyzing trace with hash 49530705, now seen corresponding path program 1 times [2024-10-13 16:45:55,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:55,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798990904] [2024-10-13 16:45:55,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:55,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:55,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:55,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798990904] [2024-10-13 16:45:55,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798990904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:55,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:55,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:55,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901347492] [2024-10-13 16:45:55,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:55,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:55,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:55,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:55,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:55,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:55,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 24 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:55,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:55,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:55,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:55,831 INFO L124 PetriNetUnfolderBase]: 182/343 cut-off events. [2024-10-13 16:45:55,831 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:55,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 343 events. 182/343 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 1970 event pairs, 182 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 705. Up to 335 conditions per place. [2024-10-13 16:45:55,833 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 19 selfloop transitions, 1 changer transitions 0/22 dead transitions. [2024-10-13 16:45:55,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 22 transitions, 99 flow [2024-10-13 16:45:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2024-10-13 16:45:55,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.17708333333333334 [2024-10-13 16:45:55,834 INFO L175 Difference]: Start difference. First operand has 40 places, 24 transitions, 63 flow. Second operand 3 states and 34 transitions. [2024-10-13 16:45:55,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 22 transitions, 99 flow [2024-10-13 16:45:55,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 22 transitions, 98 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:55,835 INFO L231 Difference]: Finished difference. Result has 39 places, 22 transitions, 60 flow [2024-10-13 16:45:55,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=39, PETRI_TRANSITIONS=22} [2024-10-13 16:45:55,836 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -28 predicate places. [2024-10-13 16:45:55,836 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 22 transitions, 60 flow [2024-10-13 16:45:55,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:55,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:55,836 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:55,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 16:45:55,837 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:55,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:55,837 INFO L85 PathProgramCache]: Analyzing trace with hash 49530706, now seen corresponding path program 1 times [2024-10-13 16:45:55,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:55,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64154751] [2024-10-13 16:45:55,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:55,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:55,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:55,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64154751] [2024-10-13 16:45:55,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64154751] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:55,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:55,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:55,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93499878] [2024-10-13 16:45:55,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:55,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:55,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:55,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:55,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:55,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:55,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 22 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:55,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:55,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:55,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:56,112 INFO L124 PetriNetUnfolderBase]: 138/265 cut-off events. [2024-10-13 16:45:56,112 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:56,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 265 events. 138/265 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1402 event pairs, 138 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 549. Up to 258 conditions per place. [2024-10-13 16:45:56,114 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 17 selfloop transitions, 1 changer transitions 0/20 dead transitions. [2024-10-13 16:45:56,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 20 transitions, 92 flow [2024-10-13 16:45:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2024-10-13 16:45:56,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.16666666666666666 [2024-10-13 16:45:56,115 INFO L175 Difference]: Start difference. First operand has 39 places, 22 transitions, 60 flow. Second operand 3 states and 32 transitions. [2024-10-13 16:45:56,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 20 transitions, 92 flow [2024-10-13 16:45:56,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 20 transitions, 91 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:56,116 INFO L231 Difference]: Finished difference. Result has 38 places, 20 transitions, 57 flow [2024-10-13 16:45:56,116 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=38, PETRI_TRANSITIONS=20} [2024-10-13 16:45:56,117 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -29 predicate places. [2024-10-13 16:45:56,117 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 20 transitions, 57 flow [2024-10-13 16:45:56,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,117 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:56,117 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:56,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 16:45:56,117 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:56,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:56,118 INFO L85 PathProgramCache]: Analyzing trace with hash 49530708, now seen corresponding path program 1 times [2024-10-13 16:45:56,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:56,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541339] [2024-10-13 16:45:56,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:56,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:56,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:56,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541339] [2024-10-13 16:45:56,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:56,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:56,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:56,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642141587] [2024-10-13 16:45:56,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:56,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:56,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:56,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:56,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:56,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:56,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 20 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:56,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:56,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:56,318 INFO L124 PetriNetUnfolderBase]: 100/197 cut-off events. [2024-10-13 16:45:56,318 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:56,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 197 events. 100/197 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 966 event pairs, 100 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 413. Up to 191 conditions per place. [2024-10-13 16:45:56,319 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 15 selfloop transitions, 1 changer transitions 0/18 dead transitions. [2024-10-13 16:45:56,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 18 transitions, 85 flow [2024-10-13 16:45:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2024-10-13 16:45:56,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.15625 [2024-10-13 16:45:56,321 INFO L175 Difference]: Start difference. First operand has 38 places, 20 transitions, 57 flow. Second operand 3 states and 30 transitions. [2024-10-13 16:45:56,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 18 transitions, 85 flow [2024-10-13 16:45:56,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 18 transitions, 84 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:56,321 INFO L231 Difference]: Finished difference. Result has 37 places, 18 transitions, 54 flow [2024-10-13 16:45:56,322 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=37, PETRI_TRANSITIONS=18} [2024-10-13 16:45:56,322 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -30 predicate places. [2024-10-13 16:45:56,322 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 18 transitions, 54 flow [2024-10-13 16:45:56,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:56,323 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:56,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 16:45:56,323 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:56,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:56,324 INFO L85 PathProgramCache]: Analyzing trace with hash 49530709, now seen corresponding path program 1 times [2024-10-13 16:45:56,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:56,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138579351] [2024-10-13 16:45:56,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:56,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:56,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:56,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:56,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138579351] [2024-10-13 16:45:56,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138579351] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:56,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:56,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:56,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154890264] [2024-10-13 16:45:56,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:56,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:56,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:56,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:56,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:56,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:56,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 18 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:56,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:56,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:56,498 INFO L124 PetriNetUnfolderBase]: 68/139 cut-off events. [2024-10-13 16:45:56,498 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:56,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 139 events. 68/139 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 601 event pairs, 68 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 297. Up to 134 conditions per place. [2024-10-13 16:45:56,499 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 13 selfloop transitions, 1 changer transitions 0/16 dead transitions. [2024-10-13 16:45:56,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 16 transitions, 78 flow [2024-10-13 16:45:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2024-10-13 16:45:56,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.14583333333333334 [2024-10-13 16:45:56,500 INFO L175 Difference]: Start difference. First operand has 37 places, 18 transitions, 54 flow. Second operand 3 states and 28 transitions. [2024-10-13 16:45:56,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 16 transitions, 78 flow [2024-10-13 16:45:56,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 16 transitions, 77 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:56,501 INFO L231 Difference]: Finished difference. Result has 36 places, 16 transitions, 51 flow [2024-10-13 16:45:56,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=51, PETRI_PLACES=36, PETRI_TRANSITIONS=16} [2024-10-13 16:45:56,502 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -31 predicate places. [2024-10-13 16:45:56,502 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 16 transitions, 51 flow [2024-10-13 16:45:56,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:56,502 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:56,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 16:45:56,504 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:56,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:56,504 INFO L85 PathProgramCache]: Analyzing trace with hash 49530711, now seen corresponding path program 1 times [2024-10-13 16:45:56,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:56,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469266307] [2024-10-13 16:45:56,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:56,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:56,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:56,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469266307] [2024-10-13 16:45:56,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469266307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:56,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:56,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:56,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358209945] [2024-10-13 16:45:56,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:56,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:56,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:56,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:56,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:56,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:56,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 16 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:56,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:56,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:56,688 INFO L124 PetriNetUnfolderBase]: 42/91 cut-off events. [2024-10-13 16:45:56,688 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:56,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 91 events. 42/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 337 event pairs, 42 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 201. Up to 87 conditions per place. [2024-10-13 16:45:56,689 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 11 selfloop transitions, 1 changer transitions 0/14 dead transitions. [2024-10-13 16:45:56,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 14 transitions, 71 flow [2024-10-13 16:45:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:56,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2024-10-13 16:45:56,690 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.13541666666666666 [2024-10-13 16:45:56,690 INFO L175 Difference]: Start difference. First operand has 36 places, 16 transitions, 51 flow. Second operand 3 states and 26 transitions. [2024-10-13 16:45:56,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 14 transitions, 71 flow [2024-10-13 16:45:56,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 14 transitions, 70 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:56,690 INFO L231 Difference]: Finished difference. Result has 35 places, 14 transitions, 48 flow [2024-10-13 16:45:56,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=35, PETRI_TRANSITIONS=14} [2024-10-13 16:45:56,691 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -32 predicate places. [2024-10-13 16:45:56,691 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 14 transitions, 48 flow [2024-10-13 16:45:56,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,691 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:45:56,691 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:45:56,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 16:45:56,691 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-13 16:45:56,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:45:56,692 INFO L85 PathProgramCache]: Analyzing trace with hash 49530712, now seen corresponding path program 1 times [2024-10-13 16:45:56,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:45:56,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132404994] [2024-10-13 16:45:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:45:56,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:45:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:45:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:45:56,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:45:56,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132404994] [2024-10-13 16:45:56,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132404994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:45:56,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:45:56,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:45:56,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655059411] [2024-10-13 16:45:56,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:45:56,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:45:56,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:45:56,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:45:56,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:45:56,765 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-13 16:45:56,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 14 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:45:56,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-13 16:45:56,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:45:56,808 INFO L124 PetriNetUnfolderBase]: 22/53 cut-off events. [2024-10-13 16:45:56,808 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:45:56,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 53 events. 22/53 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 134 event pairs, 22 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 125. Up to 50 conditions per place. [2024-10-13 16:45:56,809 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2024-10-13 16:45:56,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 12 transitions, 64 flow [2024-10-13 16:45:56,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:45:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:45:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2024-10-13 16:45:56,810 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.125 [2024-10-13 16:45:56,810 INFO L175 Difference]: Start difference. First operand has 35 places, 14 transitions, 48 flow. Second operand 3 states and 24 transitions. [2024-10-13 16:45:56,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 12 transitions, 64 flow [2024-10-13 16:45:56,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 12 transitions, 63 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:45:56,810 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2024-10-13 16:45:56,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=43, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2024-10-13 16:45:56,811 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -33 predicate places. [2024-10-13 16:45:56,811 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2024-10-13 16:45:56,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-13 16:45:56,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 98 remaining) [2024-10-13 16:45:56,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 98 remaining) [2024-10-13 16:45:56,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 98 remaining) [2024-10-13 16:45:56,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 98 remaining) [2024-10-13 16:45:56,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 98 remaining) [2024-10-13 16:45:56,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 98 remaining) [2024-10-13 16:45:56,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 98 remaining) [2024-10-13 16:45:56,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 98 remaining) [2024-10-13 16:45:56,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 98 remaining) [2024-10-13 16:45:56,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 98 remaining) [2024-10-13 16:45:56,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 98 remaining) [2024-10-13 16:45:56,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 98 remaining) [2024-10-13 16:45:56,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 98 remaining) [2024-10-13 16:45:56,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 98 remaining) [2024-10-13 16:45:56,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 98 remaining) [2024-10-13 16:45:56,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 98 remaining) [2024-10-13 16:45:56,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 98 remaining) [2024-10-13 16:45:56,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 98 remaining) [2024-10-13 16:45:56,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 98 remaining) [2024-10-13 16:45:56,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 98 remaining) [2024-10-13 16:45:56,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 98 remaining) [2024-10-13 16:45:56,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 98 remaining) [2024-10-13 16:45:56,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 98 remaining) [2024-10-13 16:45:56,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 98 remaining) [2024-10-13 16:45:56,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 98 remaining) [2024-10-13 16:45:56,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 98 remaining) [2024-10-13 16:45:56,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 98 remaining) [2024-10-13 16:45:56,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 98 remaining) [2024-10-13 16:45:56,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 98 remaining) [2024-10-13 16:45:56,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 98 remaining) [2024-10-13 16:45:56,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 98 remaining) [2024-10-13 16:45:56,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 98 remaining) [2024-10-13 16:45:56,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 98 remaining) [2024-10-13 16:45:56,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 98 remaining) [2024-10-13 16:45:56,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 98 remaining) [2024-10-13 16:45:56,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 98 remaining) [2024-10-13 16:45:56,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 98 remaining) [2024-10-13 16:45:56,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 98 remaining) [2024-10-13 16:45:56,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 98 remaining) [2024-10-13 16:45:56,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 98 remaining) [2024-10-13 16:45:56,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 98 remaining) [2024-10-13 16:45:56,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 98 remaining) [2024-10-13 16:45:56,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 98 remaining) [2024-10-13 16:45:56,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 98 remaining) [2024-10-13 16:45:56,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 98 remaining) [2024-10-13 16:45:56,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 98 remaining) [2024-10-13 16:45:56,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 98 remaining) [2024-10-13 16:45:56,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 98 remaining) [2024-10-13 16:45:56,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 98 remaining) [2024-10-13 16:45:56,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 98 remaining) [2024-10-13 16:45:56,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 98 remaining) [2024-10-13 16:45:56,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 98 remaining) [2024-10-13 16:45:56,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 98 remaining) [2024-10-13 16:45:56,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 98 remaining) [2024-10-13 16:45:56,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 98 remaining) [2024-10-13 16:45:56,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 98 remaining) [2024-10-13 16:45:56,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 98 remaining) [2024-10-13 16:45:56,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 98 remaining) [2024-10-13 16:45:56,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 98 remaining) [2024-10-13 16:45:56,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 98 remaining) [2024-10-13 16:45:56,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 98 remaining) [2024-10-13 16:45:56,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 98 remaining) [2024-10-13 16:45:56,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 98 remaining) [2024-10-13 16:45:56,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 16:45:56,825 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:45:56,831 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 16:45:56,832 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:45:56,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:45:56 BasicIcfg [2024-10-13 16:45:56,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:45:56,838 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:45:56,838 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:45:56,838 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:45:56,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:45:46" (3/4) ... [2024-10-13 16:45:56,840 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:45:56,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 16:45:56,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 16:45:56,849 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2024-10-13 16:45:56,852 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-13 16:45:56,852 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-13 16:45:56,852 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 16:45:56,950 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:45:56,950 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 16:45:56,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:45:56,951 INFO L158 Benchmark]: Toolchain (without parser) took 13496.35ms. Allocated memory was 169.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 118.6MB in the beginning and 1.1GB in the end (delta: -949.9MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2024-10-13 16:45:56,952 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:45:56,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.35ms. Allocated memory is still 169.9MB. Free memory was 118.6MB in the beginning and 105.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 16:45:56,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.11ms. Allocated memory is still 169.9MB. Free memory was 105.5MB in the beginning and 102.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:45:56,953 INFO L158 Benchmark]: Boogie Preprocessor took 57.42ms. Allocated memory is still 169.9MB. Free memory was 102.4MB in the beginning and 99.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:45:56,953 INFO L158 Benchmark]: RCFGBuilder took 2870.53ms. Allocated memory was 169.9MB in the beginning and 289.4MB in the end (delta: 119.5MB). Free memory was 99.2MB in the beginning and 211.4MB in the end (delta: -112.2MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. [2024-10-13 16:45:56,953 INFO L158 Benchmark]: TraceAbstraction took 10136.81ms. Allocated memory was 289.4MB in the beginning and 1.2GB in the end (delta: 937.4MB). Free memory was 210.3MB in the beginning and 1.1GB in the end (delta: -862.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-10-13 16:45:56,953 INFO L158 Benchmark]: Witness Printer took 112.56ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:45:56,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.35ms. Allocated memory is still 169.9MB. Free memory was 118.6MB in the beginning and 105.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.11ms. Allocated memory is still 169.9MB. Free memory was 105.5MB in the beginning and 102.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.42ms. Allocated memory is still 169.9MB. Free memory was 102.4MB in the beginning and 99.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2870.53ms. Allocated memory was 169.9MB in the beginning and 289.4MB in the end (delta: 119.5MB). Free memory was 99.2MB in the beginning and 211.4MB in the end (delta: -112.2MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10136.81ms. Allocated memory was 289.4MB in the beginning and 1.2GB in the end (delta: 937.4MB). Free memory was 210.3MB in the beginning and 1.1GB in the end (delta: -862.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * Witness Printer took 112.56ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: 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 5 procedures, 123 locations, 98 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: 9.5s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 368 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 442 IncrementalHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 0 mSDtfsCounter, 442 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 50, 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, 1.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 16:45:56,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE