./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-collitem-subst.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 e60e484eb5ab810972130a1d83dccbab591b96ac9007b9b56059ed6674807329 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:37:27,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:37:27,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:37:27,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:37:27,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:37:27,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:37:27,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:37:27,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:37:27,614 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:37:27,614 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:37:27,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:37:27,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:37:27,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:37:27,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:37:27,615 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:37:27,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:37:27,616 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:37:27,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:37:27,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:37:27,617 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> e60e484eb5ab810972130a1d83dccbab591b96ac9007b9b56059ed6674807329 [2025-03-09 06:37:27,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:37:27,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:37:27,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:37:27,872 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:37:27,872 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:37:27,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2025-03-09 06:37:28,981 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12e01f78b/968e9a9b9b864fa78d8ea8935e0a9929/FLAG0a34864bc [2025-03-09 06:37:29,225 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:37:29,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2025-03-09 06:37:29,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12e01f78b/968e9a9b9b864fa78d8ea8935e0a9929/FLAG0a34864bc [2025-03-09 06:37:29,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12e01f78b/968e9a9b9b864fa78d8ea8935e0a9929 [2025-03-09 06:37:29,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:37:29,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:37:29,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:37:29,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:37:29,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:37:29,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30490454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29, skipping insertion in model container [2025-03-09 06:37:29,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:37:29,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:37:29,431 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:37:29,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:37:29,471 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:37:29,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29 WrapperNode [2025-03-09 06:37:29,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:37:29,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:37:29,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:37:29,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:37:29,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,511 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 19, calls inlined = 41, statements flattened = 519 [2025-03-09 06:37:29,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:37:29,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:37:29,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:37:29,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:37:29,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,522 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,533 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]. [2025-03-09 06:37:29,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,544 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:37:29,564 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:37:29,564 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:37:29,564 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:37:29,565 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (1/1) ... [2025-03-09 06:37:29,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:37:29,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:37:29,593 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) [2025-03-09 06:37:29,595 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 [2025-03-09 06:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-09 06:37:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-09 06:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-09 06:37:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-09 06:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-09 06:37:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-09 06:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-09 06:37:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-09 06:37:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:37:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:37:29,617 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 06:37:29,717 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:37:29,719 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:37:30,327 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 06:37:30,328 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:37:31,530 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:37:31,530 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:37:31,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:37:31 BoogieIcfgContainer [2025-03-09 06:37:31,531 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:37:31,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:37:31,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:37:31,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:37:31,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:37:29" (1/3) ... [2025-03-09 06:37:31,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e86386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:37:31, skipping insertion in model container [2025-03-09 06:37:31,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:29" (2/3) ... [2025-03-09 06:37:31,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e86386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:37:31, skipping insertion in model container [2025-03-09 06:37:31,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:37:31" (3/3) ... [2025-03-09 06:37:31,539 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2025-03-09 06:37:31,552 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:37:31,553 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-collitem-subst.wvr.c that has 4 procedures, 96 locations, 1 initial locations, 0 loop locations, and 72 error locations. [2025-03-09 06:37:31,554 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 06:37:32,252 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-09 06:37:32,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 211 flow [2025-03-09 06:37:32,511 INFO L124 PetriNetUnfolderBase]: 0/92 cut-off events. [2025-03-09 06:37:32,517 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-09 06:37:32,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 92 events. 0/92 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 497 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-03-09 06:37:32,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 95 transitions, 211 flow [2025-03-09 06:37:32,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 90 transitions, 195 flow [2025-03-09 06:37:32,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:37:32,561 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;@2a19185f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:37:32,561 INFO L334 AbstractCegarLoop]: Starting to check reachability of 147 error locations. [2025-03-09 06:37:32,566 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:37:32,567 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2025-03-09 06:37:32,567 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:37:32,567 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:32,568 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:37:32,569 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:37:32,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:32,573 INFO L85 PathProgramCache]: Analyzing trace with hash 57433304, now seen corresponding path program 1 times [2025-03-09 06:37:32,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:32,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021644681] [2025-03-09 06:37:32,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:32,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:32,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:37:32,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:37:32,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:32,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:32,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:32,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021644681] [2025-03-09 06:37:32,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021644681] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:32,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:37:32,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:37:32,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742020238] [2025-03-09 06:37:32,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:32,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 06:37:32,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:32,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:37:32,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:37:32,866 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:37:32,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 90 transitions, 195 flow. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2025-03-09 06:37:32,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:32,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:37:32,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:47,050 INFO L124 PetriNetUnfolderBase]: 34236/49456 cut-off events. [2025-03-09 06:37:47,050 INFO L125 PetriNetUnfolderBase]: For 474/474 co-relation queries the response was YES. [2025-03-09 06:37:47,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99698 conditions, 49456 events. 34236/49456 cut-off events. For 474/474 co-relation queries the response was YES. Maximal size of possible extension queue 11172. Compared 431200 event pairs, 34236 based on Foata normal form. 0/12909 useless extension candidates. Maximal degree in co-relation 97143. Up to 49096 conditions per place. [2025-03-09 06:37:47,300 INFO L140 encePairwiseOnDemand]: 71/95 looper letters, 63 selfloop transitions, 0 changer transitions 0/66 dead transitions. [2025-03-09 06:37:47,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 66 transitions, 273 flow [2025-03-09 06:37:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 06:37:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-09 06:37:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 99 transitions. [2025-03-09 06:37:47,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5210526315789473 [2025-03-09 06:37:47,315 INFO L175 Difference]: Start difference. First operand has 100 places, 90 transitions, 195 flow. Second operand 2 states and 99 transitions. [2025-03-09 06:37:47,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 66 transitions, 273 flow [2025-03-09 06:37:47,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 66 transitions, 264 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-09 06:37:47,562 INFO L231 Difference]: Finished difference. Result has 72 places, 66 transitions, 138 flow [2025-03-09 06:37:47,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=138, PETRI_PLACES=72, PETRI_TRANSITIONS=66} [2025-03-09 06:37:47,566 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -28 predicate places. [2025-03-09 06:37:47,567 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 66 transitions, 138 flow [2025-03-09 06:37:47,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2025-03-09 06:37:47,567 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:47,567 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:37:47,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:37:47,567 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:37:47,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:47,568 INFO L85 PathProgramCache]: Analyzing trace with hash 57433311, now seen corresponding path program 1 times [2025-03-09 06:37:47,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:47,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828296663] [2025-03-09 06:37:47,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:47,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:47,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:37:47,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:37:47,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:47,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:47,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:47,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828296663] [2025-03-09 06:37:47,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828296663] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:47,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:37:47,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:37:47,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778064307] [2025-03-09 06:37:47,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:47,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:37:47,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:47,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:37:47,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:37:47,689 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:37:47,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 66 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:37:47,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:47,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:37:47,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:59,352 INFO L124 PetriNetUnfolderBase]: 30757/44492 cut-off events. [2025-03-09 06:37:59,352 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2025-03-09 06:37:59,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89348 conditions, 44492 events. 30757/44492 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 9959. Compared 384001 event pairs, 30757 based on Foata normal form. 0/11822 useless extension candidates. Maximal degree in co-relation 89345. Up to 44150 conditions per place. [2025-03-09 06:37:59,535 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 60 selfloop transitions, 1 changer transitions 0/64 dead transitions. [2025-03-09 06:37:59,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 64 transitions, 256 flow [2025-03-09 06:37:59,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:37:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:37:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2025-03-09 06:37:59,536 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.28421052631578947 [2025-03-09 06:37:59,536 INFO L175 Difference]: Start difference. First operand has 72 places, 66 transitions, 138 flow. Second operand 3 states and 81 transitions. [2025-03-09 06:37:59,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 64 transitions, 256 flow [2025-03-09 06:37:59,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 64 transitions, 256 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 06:37:59,538 INFO L231 Difference]: Finished difference. Result has 72 places, 64 transitions, 136 flow [2025-03-09 06:37:59,538 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=72, PETRI_TRANSITIONS=64} [2025-03-09 06:37:59,539 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -28 predicate places. [2025-03-09 06:37:59,539 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 64 transitions, 136 flow [2025-03-09 06:37:59,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:37:59,539 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:59,539 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:37:59,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 06:37:59,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:37:59,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:59,540 INFO L85 PathProgramCache]: Analyzing trace with hash 57433312, now seen corresponding path program 1 times [2025-03-09 06:37:59,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:59,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856478288] [2025-03-09 06:37:59,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:59,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:37:59,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:37:59,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:59,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:59,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:59,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856478288] [2025-03-09 06:37:59,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856478288] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:59,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:37:59,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:37:59,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733854955] [2025-03-09 06:37:59,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:59,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:37:59,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:59,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:37:59,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:37:59,632 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:37:59,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 64 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:37:59,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:59,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:37:59,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:08,773 INFO L124 PetriNetUnfolderBase]: 27464/39790 cut-off events. [2025-03-09 06:38:08,773 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2025-03-09 06:38:08,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79926 conditions, 39790 events. 27464/39790 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 8817. Compared 340198 event pairs, 27464 based on Foata normal form. 0/10781 useless extension candidates. Maximal degree in co-relation 79922. Up to 39467 conditions per place. [2025-03-09 06:38:08,916 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 58 selfloop transitions, 1 changer transitions 0/62 dead transitions. [2025-03-09 06:38:08,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 62 transitions, 250 flow [2025-03-09 06:38:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2025-03-09 06:38:08,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2771929824561403 [2025-03-09 06:38:08,918 INFO L175 Difference]: Start difference. First operand has 72 places, 64 transitions, 136 flow. Second operand 3 states and 79 transitions. [2025-03-09 06:38:08,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 62 transitions, 250 flow [2025-03-09 06:38:08,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 62 transitions, 249 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:08,919 INFO L231 Difference]: Finished difference. Result has 71 places, 62 transitions, 133 flow [2025-03-09 06:38:08,919 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=71, PETRI_TRANSITIONS=62} [2025-03-09 06:38:08,919 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -29 predicate places. [2025-03-09 06:38:08,919 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 62 transitions, 133 flow [2025-03-09 06:38:08,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:08,920 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:08,920 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:08,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:38:08,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:08,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:08,920 INFO L85 PathProgramCache]: Analyzing trace with hash 57433314, now seen corresponding path program 1 times [2025-03-09 06:38:08,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:08,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553292715] [2025-03-09 06:38:08,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:08,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:08,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:08,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:08,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:08,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:09,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:09,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553292715] [2025-03-09 06:38:09,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553292715] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:09,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:09,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:09,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443883891] [2025-03-09 06:38:09,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:09,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:09,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:09,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:09,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:09,048 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:09,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 62 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:09,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:09,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:09,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:17,244 INFO L124 PetriNetUnfolderBase]: 24456/35468 cut-off events. [2025-03-09 06:38:17,244 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2025-03-09 06:38:17,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71247 conditions, 35468 events. 24456/35468 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 7804. Compared 299309 event pairs, 24456 based on Foata normal form. 0/9777 useless extension candidates. Maximal degree in co-relation 71243. Up to 35180 conditions per place. [2025-03-09 06:38:17,383 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 56 selfloop transitions, 1 changer transitions 0/60 dead transitions. [2025-03-09 06:38:17,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 60 transitions, 243 flow [2025-03-09 06:38:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2025-03-09 06:38:17,384 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27017543859649124 [2025-03-09 06:38:17,384 INFO L175 Difference]: Start difference. First operand has 71 places, 62 transitions, 133 flow. Second operand 3 states and 77 transitions. [2025-03-09 06:38:17,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 60 transitions, 243 flow [2025-03-09 06:38:17,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 242 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:17,385 INFO L231 Difference]: Finished difference. Result has 70 places, 60 transitions, 130 flow [2025-03-09 06:38:17,385 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=70, PETRI_TRANSITIONS=60} [2025-03-09 06:38:17,386 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -30 predicate places. [2025-03-09 06:38:17,386 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 60 transitions, 130 flow [2025-03-09 06:38:17,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:17,386 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:17,386 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:17,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:38:17,386 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:17,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:17,386 INFO L85 PathProgramCache]: Analyzing trace with hash 57433315, now seen corresponding path program 1 times [2025-03-09 06:38:17,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:17,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950427132] [2025-03-09 06:38:17,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:17,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:17,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:17,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:17,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:17,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:17,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:17,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:17,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950427132] [2025-03-09 06:38:17,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950427132] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:17,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:17,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:17,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282439129] [2025-03-09 06:38:17,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:17,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:17,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:17,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:17,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:17,491 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:17,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 60 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:17,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:17,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:17,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:24,732 INFO L124 PetriNetUnfolderBase]: 21622/31394 cut-off events. [2025-03-09 06:38:24,732 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2025-03-09 06:38:24,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63066 conditions, 31394 events. 21622/31394 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 6854. Compared 262062 event pairs, 21622 based on Foata normal form. 0/8821 useless extension candidates. Maximal degree in co-relation 63062. Up to 31139 conditions per place. [2025-03-09 06:38:24,835 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 54 selfloop transitions, 1 changer transitions 0/58 dead transitions. [2025-03-09 06:38:24,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 58 transitions, 236 flow [2025-03-09 06:38:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2025-03-09 06:38:24,836 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2631578947368421 [2025-03-09 06:38:24,837 INFO L175 Difference]: Start difference. First operand has 70 places, 60 transitions, 130 flow. Second operand 3 states and 75 transitions. [2025-03-09 06:38:24,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 58 transitions, 236 flow [2025-03-09 06:38:24,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 58 transitions, 235 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:24,837 INFO L231 Difference]: Finished difference. Result has 69 places, 58 transitions, 127 flow [2025-03-09 06:38:24,838 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=69, PETRI_TRANSITIONS=58} [2025-03-09 06:38:24,838 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -31 predicate places. [2025-03-09 06:38:24,838 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 58 transitions, 127 flow [2025-03-09 06:38:24,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:24,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:24,838 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:24,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:38:24,838 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:24,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:24,839 INFO L85 PathProgramCache]: Analyzing trace with hash 57433317, now seen corresponding path program 1 times [2025-03-09 06:38:24,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:24,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981080209] [2025-03-09 06:38:24,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:24,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:24,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:24,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:24,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:24,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:24,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:24,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981080209] [2025-03-09 06:38:24,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981080209] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:24,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:24,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:24,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403857870] [2025-03-09 06:38:24,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:24,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:24,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:24,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:24,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:24,882 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:24,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 58 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:24,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:24,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:24,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:31,296 INFO L124 PetriNetUnfolderBase]: 19015/27662 cut-off events. [2025-03-09 06:38:31,297 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-03-09 06:38:31,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55585 conditions, 27662 events. 19015/27662 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 5965. Compared 229611 event pairs, 19015 based on Foata normal form. 0/7958 useless extension candidates. Maximal degree in co-relation 55581. Up to 27424 conditions per place. [2025-03-09 06:38:31,381 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 52 selfloop transitions, 1 changer transitions 0/56 dead transitions. [2025-03-09 06:38:31,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 56 transitions, 229 flow [2025-03-09 06:38:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2025-03-09 06:38:31,382 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.256140350877193 [2025-03-09 06:38:31,382 INFO L175 Difference]: Start difference. First operand has 69 places, 58 transitions, 127 flow. Second operand 3 states and 73 transitions. [2025-03-09 06:38:31,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 56 transitions, 229 flow [2025-03-09 06:38:31,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 56 transitions, 228 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:31,383 INFO L231 Difference]: Finished difference. Result has 68 places, 56 transitions, 124 flow [2025-03-09 06:38:31,384 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=68, PETRI_TRANSITIONS=56} [2025-03-09 06:38:31,387 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -32 predicate places. [2025-03-09 06:38:31,387 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 56 transitions, 124 flow [2025-03-09 06:38:31,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:31,387 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:31,387 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:31,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:38:31,387 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:31,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:31,388 INFO L85 PathProgramCache]: Analyzing trace with hash 57433318, now seen corresponding path program 1 times [2025-03-09 06:38:31,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:31,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111077133] [2025-03-09 06:38:31,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:31,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:31,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:31,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:31,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:31,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:31,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:31,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111077133] [2025-03-09 06:38:31,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111077133] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:31,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:31,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:31,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703680746] [2025-03-09 06:38:31,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:31,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:31,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:31,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:31,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:31,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:31,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 56 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:31,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:31,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:31,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:37,143 INFO L124 PetriNetUnfolderBase]: 16574/24164 cut-off events. [2025-03-09 06:38:37,143 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-03-09 06:38:37,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48572 conditions, 24164 events. 16574/24164 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 5139. Compared 197555 event pairs, 16574 based on Foata normal form. 0/7137 useless extension candidates. Maximal degree in co-relation 48568. Up to 23943 conditions per place. [2025-03-09 06:38:37,223 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 50 selfloop transitions, 1 changer transitions 0/54 dead transitions. [2025-03-09 06:38:37,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 54 transitions, 222 flow [2025-03-09 06:38:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2025-03-09 06:38:37,224 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.24912280701754386 [2025-03-09 06:38:37,224 INFO L175 Difference]: Start difference. First operand has 68 places, 56 transitions, 124 flow. Second operand 3 states and 71 transitions. [2025-03-09 06:38:37,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 54 transitions, 222 flow [2025-03-09 06:38:37,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 54 transitions, 221 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:37,226 INFO L231 Difference]: Finished difference. Result has 67 places, 54 transitions, 121 flow [2025-03-09 06:38:37,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=121, PETRI_PLACES=67, PETRI_TRANSITIONS=54} [2025-03-09 06:38:37,226 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -33 predicate places. [2025-03-09 06:38:37,227 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 54 transitions, 121 flow [2025-03-09 06:38:37,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:37,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:37,227 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:37,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:38:37,227 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:37,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:37,228 INFO L85 PathProgramCache]: Analyzing trace with hash 57433320, now seen corresponding path program 1 times [2025-03-09 06:38:37,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:37,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758736812] [2025-03-09 06:38:37,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:37,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:37,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:37,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:37,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:37,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:37,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:37,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758736812] [2025-03-09 06:38:37,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758736812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:37,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:37,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:37,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50301179] [2025-03-09 06:38:37,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:37,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:37,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:37,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:37,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:37,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:37,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 54 transitions, 121 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:37,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:37,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:37,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:42,166 INFO L124 PetriNetUnfolderBase]: 14374/20990 cut-off events. [2025-03-09 06:38:42,166 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-03-09 06:38:42,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42195 conditions, 20990 events. 14374/20990 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 4418. Compared 169636 event pairs, 14374 based on Foata normal form. 0/6353 useless extension candidates. Maximal degree in co-relation 42191. Up to 20798 conditions per place. [2025-03-09 06:38:42,231 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 48 selfloop transitions, 1 changer transitions 0/52 dead transitions. [2025-03-09 06:38:42,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 52 transitions, 215 flow [2025-03-09 06:38:42,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 69 transitions. [2025-03-09 06:38:42,232 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.24210526315789474 [2025-03-09 06:38:42,232 INFO L175 Difference]: Start difference. First operand has 67 places, 54 transitions, 121 flow. Second operand 3 states and 69 transitions. [2025-03-09 06:38:42,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 52 transitions, 215 flow [2025-03-09 06:38:42,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 52 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:42,234 INFO L231 Difference]: Finished difference. Result has 66 places, 52 transitions, 118 flow [2025-03-09 06:38:42,234 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=66, PETRI_TRANSITIONS=52} [2025-03-09 06:38:42,236 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -34 predicate places. [2025-03-09 06:38:42,236 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 52 transitions, 118 flow [2025-03-09 06:38:42,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:42,236 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:42,236 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:42,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 06:38:42,236 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:42,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:42,236 INFO L85 PathProgramCache]: Analyzing trace with hash 57433321, now seen corresponding path program 1 times [2025-03-09 06:38:42,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:42,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285262661] [2025-03-09 06:38:42,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:42,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:42,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:42,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:42,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:42,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:42,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:42,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285262661] [2025-03-09 06:38:42,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285262661] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:42,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:42,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790719300] [2025-03-09 06:38:42,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:42,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:42,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:42,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:42,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:42,310 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:42,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 52 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:42,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:42,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:42,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:46,442 INFO L124 PetriNetUnfolderBase]: 12328/18036 cut-off events. [2025-03-09 06:38:46,443 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2025-03-09 06:38:46,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36260 conditions, 18036 events. 12328/18036 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 3752. Compared 143527 event pairs, 12328 based on Foata normal form. 0/5613 useless extension candidates. Maximal degree in co-relation 36256. Up to 17871 conditions per place. [2025-03-09 06:38:46,493 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 46 selfloop transitions, 1 changer transitions 0/50 dead transitions. [2025-03-09 06:38:46,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 50 transitions, 208 flow [2025-03-09 06:38:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:46,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2025-03-09 06:38:46,494 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.23508771929824562 [2025-03-09 06:38:46,494 INFO L175 Difference]: Start difference. First operand has 66 places, 52 transitions, 118 flow. Second operand 3 states and 67 transitions. [2025-03-09 06:38:46,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 50 transitions, 208 flow [2025-03-09 06:38:46,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 50 transitions, 207 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:46,495 INFO L231 Difference]: Finished difference. Result has 65 places, 50 transitions, 115 flow [2025-03-09 06:38:46,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=65, PETRI_TRANSITIONS=50} [2025-03-09 06:38:46,495 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -35 predicate places. [2025-03-09 06:38:46,496 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 50 transitions, 115 flow [2025-03-09 06:38:46,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:46,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:46,496 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:46,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 06:38:46,496 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:46,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:46,496 INFO L85 PathProgramCache]: Analyzing trace with hash 57433323, now seen corresponding path program 1 times [2025-03-09 06:38:46,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:46,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200982389] [2025-03-09 06:38:46,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:46,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:46,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:46,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:46,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:46,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:46,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:46,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200982389] [2025-03-09 06:38:46,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200982389] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:46,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:46,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:46,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817575805] [2025-03-09 06:38:46,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:46,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:46,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:46,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:46,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:46,539 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:46,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 50 transitions, 115 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:46,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:46,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:46,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:49,844 INFO L124 PetriNetUnfolderBase]: 10473/15368 cut-off events. [2025-03-09 06:38:49,844 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2025-03-09 06:38:49,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30909 conditions, 15368 events. 10473/15368 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 3139. Compared 120722 event pairs, 10473 based on Foata normal form. 0/4950 useless extension candidates. Maximal degree in co-relation 30905. Up to 15218 conditions per place. [2025-03-09 06:38:49,888 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 44 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2025-03-09 06:38:49,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 48 transitions, 201 flow [2025-03-09 06:38:49,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2025-03-09 06:38:49,889 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.22807017543859648 [2025-03-09 06:38:49,889 INFO L175 Difference]: Start difference. First operand has 65 places, 50 transitions, 115 flow. Second operand 3 states and 65 transitions. [2025-03-09 06:38:49,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 48 transitions, 201 flow [2025-03-09 06:38:49,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 48 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:49,890 INFO L231 Difference]: Finished difference. Result has 64 places, 48 transitions, 112 flow [2025-03-09 06:38:49,890 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=64, PETRI_TRANSITIONS=48} [2025-03-09 06:38:49,891 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -36 predicate places. [2025-03-09 06:38:49,891 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 48 transitions, 112 flow [2025-03-09 06:38:49,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:49,891 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:49,891 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:49,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 06:38:49,891 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:49,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:49,891 INFO L85 PathProgramCache]: Analyzing trace with hash 57433324, now seen corresponding path program 1 times [2025-03-09 06:38:49,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:49,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678136079] [2025-03-09 06:38:49,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:49,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:49,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:49,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:49,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:49,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:49,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:49,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678136079] [2025-03-09 06:38:49,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678136079] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:49,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:49,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:49,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430551352] [2025-03-09 06:38:49,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:49,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:49,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:49,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:49,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:49,933 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:49,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 48 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:49,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:49,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:49,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:52,587 INFO L124 PetriNetUnfolderBase]: 8764/12906 cut-off events. [2025-03-09 06:38:52,587 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2025-03-09 06:38:52,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25970 conditions, 12906 events. 8764/12906 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 2581. Compared 99606 event pairs, 8764 based on Foata normal form. 0/4325 useless extension candidates. Maximal degree in co-relation 25966. Up to 12771 conditions per place. [2025-03-09 06:38:52,632 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 42 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2025-03-09 06:38:52,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 46 transitions, 194 flow [2025-03-09 06:38:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2025-03-09 06:38:52,633 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.22105263157894736 [2025-03-09 06:38:52,633 INFO L175 Difference]: Start difference. First operand has 64 places, 48 transitions, 112 flow. Second operand 3 states and 63 transitions. [2025-03-09 06:38:52,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 46 transitions, 194 flow [2025-03-09 06:38:52,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 46 transitions, 193 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:52,634 INFO L231 Difference]: Finished difference. Result has 63 places, 46 transitions, 109 flow [2025-03-09 06:38:52,634 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=109, PETRI_PLACES=63, PETRI_TRANSITIONS=46} [2025-03-09 06:38:52,634 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -37 predicate places. [2025-03-09 06:38:52,635 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 46 transitions, 109 flow [2025-03-09 06:38:52,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:52,635 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:52,635 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:52,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 06:38:52,635 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:52,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:52,635 INFO L85 PathProgramCache]: Analyzing trace with hash 57433326, now seen corresponding path program 1 times [2025-03-09 06:38:52,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:52,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560617554] [2025-03-09 06:38:52,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:52,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:52,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:52,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:52,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:52,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:52,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:52,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560617554] [2025-03-09 06:38:52,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560617554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:52,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:52,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:52,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457934272] [2025-03-09 06:38:52,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:52,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:52,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:52,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:52,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:52,695 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:52,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 46 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:52,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:52,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:52,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:54,690 INFO L124 PetriNetUnfolderBase]: 7252/10712 cut-off events. [2025-03-09 06:38:54,690 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-03-09 06:38:54,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21559 conditions, 10712 events. 7252/10712 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 2104. Compared 81114 event pairs, 7252 based on Foata normal form. 0/3737 useless extension candidates. Maximal degree in co-relation 21555. Up to 10600 conditions per place. [2025-03-09 06:38:54,723 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 40 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2025-03-09 06:38:54,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 44 transitions, 187 flow [2025-03-09 06:38:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2025-03-09 06:38:54,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.21403508771929824 [2025-03-09 06:38:54,724 INFO L175 Difference]: Start difference. First operand has 63 places, 46 transitions, 109 flow. Second operand 3 states and 61 transitions. [2025-03-09 06:38:54,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 44 transitions, 187 flow [2025-03-09 06:38:54,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 44 transitions, 186 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:54,725 INFO L231 Difference]: Finished difference. Result has 62 places, 44 transitions, 106 flow [2025-03-09 06:38:54,725 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=62, PETRI_TRANSITIONS=44} [2025-03-09 06:38:54,725 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -38 predicate places. [2025-03-09 06:38:54,725 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 44 transitions, 106 flow [2025-03-09 06:38:54,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:54,725 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:54,725 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:54,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 06:38:54,725 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:54,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:54,726 INFO L85 PathProgramCache]: Analyzing trace with hash 57433327, now seen corresponding path program 1 times [2025-03-09 06:38:54,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:54,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340638096] [2025-03-09 06:38:54,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:54,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:54,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:54,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:54,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:54,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:54,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:54,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340638096] [2025-03-09 06:38:54,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340638096] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:54,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:54,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:54,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450969124] [2025-03-09 06:38:54,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:54,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:54,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:54,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:54,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:54,800 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:54,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 44 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:54,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:54,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:54,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:56,248 INFO L124 PetriNetUnfolderBase]: 5874/8710 cut-off events. [2025-03-09 06:38:56,248 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2025-03-09 06:38:56,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17534 conditions, 8710 events. 5874/8710 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 1674. Compared 64658 event pairs, 5874 based on Foata normal form. 0/3189 useless extension candidates. Maximal degree in co-relation 17530. Up to 8619 conditions per place. [2025-03-09 06:38:56,276 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 38 selfloop transitions, 1 changer transitions 0/42 dead transitions. [2025-03-09 06:38:56,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 42 transitions, 180 flow [2025-03-09 06:38:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2025-03-09 06:38:56,277 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.20701754385964913 [2025-03-09 06:38:56,277 INFO L175 Difference]: Start difference. First operand has 62 places, 44 transitions, 106 flow. Second operand 3 states and 59 transitions. [2025-03-09 06:38:56,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 42 transitions, 180 flow [2025-03-09 06:38:56,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 42 transitions, 179 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:56,277 INFO L231 Difference]: Finished difference. Result has 61 places, 42 transitions, 103 flow [2025-03-09 06:38:56,278 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=59, 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=103, PETRI_PLACES=61, PETRI_TRANSITIONS=42} [2025-03-09 06:38:56,278 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -39 predicate places. [2025-03-09 06:38:56,278 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 42 transitions, 103 flow [2025-03-09 06:38:56,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:56,278 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:56,278 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:56,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 06:38:56,278 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:56,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:56,279 INFO L85 PathProgramCache]: Analyzing trace with hash 57433305, now seen corresponding path program 1 times [2025-03-09 06:38:56,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:56,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678513053] [2025-03-09 06:38:56,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:56,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:56,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:56,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:56,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:56,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:56,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:56,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678513053] [2025-03-09 06:38:56,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678513053] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:56,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:56,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:56,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696086559] [2025-03-09 06:38:56,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:56,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:56,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:56,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:56,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:56,302 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:56,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 42 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:56,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:56,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:56,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:57,553 INFO L124 PetriNetUnfolderBase]: 4651/6938 cut-off events. [2025-03-09 06:38:57,553 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2025-03-09 06:38:57,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13977 conditions, 6938 events. 4651/6938 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 1289. Compared 50304 event pairs, 4651 based on Foata normal form. 0/2702 useless extension candidates. Maximal degree in co-relation 13973. Up to 6860 conditions per place. [2025-03-09 06:38:57,573 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 36 selfloop transitions, 1 changer transitions 0/40 dead transitions. [2025-03-09 06:38:57,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 40 transitions, 173 flow [2025-03-09 06:38:57,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2025-03-09 06:38:57,574 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2 [2025-03-09 06:38:57,574 INFO L175 Difference]: Start difference. First operand has 61 places, 42 transitions, 103 flow. Second operand 3 states and 57 transitions. [2025-03-09 06:38:57,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 40 transitions, 173 flow [2025-03-09 06:38:57,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 40 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:57,575 INFO L231 Difference]: Finished difference. Result has 60 places, 40 transitions, 100 flow [2025-03-09 06:38:57,575 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=58, 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=100, PETRI_PLACES=60, PETRI_TRANSITIONS=40} [2025-03-09 06:38:57,575 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -40 predicate places. [2025-03-09 06:38:57,575 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 40 transitions, 100 flow [2025-03-09 06:38:57,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:57,575 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:57,575 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:57,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 06:38:57,576 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:57,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:57,576 INFO L85 PathProgramCache]: Analyzing trace with hash 57433306, now seen corresponding path program 1 times [2025-03-09 06:38:57,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:57,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872605618] [2025-03-09 06:38:57,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:57,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:57,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:57,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:57,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:57,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:57,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:57,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872605618] [2025-03-09 06:38:57,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872605618] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:57,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:57,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:57,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137603003] [2025-03-09 06:38:57,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:57,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:57,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:57,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:57,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:57,610 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:57,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 40 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:57,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:57,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:57,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:58,631 INFO L124 PetriNetUnfolderBase]: 3554/5344 cut-off events. [2025-03-09 06:38:58,631 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2025-03-09 06:38:58,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10776 conditions, 5344 events. 3554/5344 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 951. Compared 37913 event pairs, 3554 based on Foata normal form. 0/2249 useless extension candidates. Maximal degree in co-relation 10772. Up to 5279 conditions per place. [2025-03-09 06:38:58,649 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 34 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2025-03-09 06:38:58,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 38 transitions, 166 flow [2025-03-09 06:38:58,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2025-03-09 06:38:58,653 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.19298245614035087 [2025-03-09 06:38:58,653 INFO L175 Difference]: Start difference. First operand has 60 places, 40 transitions, 100 flow. Second operand 3 states and 55 transitions. [2025-03-09 06:38:58,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 38 transitions, 166 flow [2025-03-09 06:38:58,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 38 transitions, 165 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:58,654 INFO L231 Difference]: Finished difference. Result has 59 places, 38 transitions, 97 flow [2025-03-09 06:38:58,654 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=57, 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=97, PETRI_PLACES=59, PETRI_TRANSITIONS=38} [2025-03-09 06:38:58,655 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -41 predicate places. [2025-03-09 06:38:58,655 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 38 transitions, 97 flow [2025-03-09 06:38:58,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:58,655 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:58,655 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:58,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 06:38:58,655 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:58,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:58,655 INFO L85 PathProgramCache]: Analyzing trace with hash 57433308, now seen corresponding path program 1 times [2025-03-09 06:38:58,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:58,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352759690] [2025-03-09 06:38:58,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:58,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:58,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:58,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:58,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:58,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:58,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352759690] [2025-03-09 06:38:58,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352759690] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:58,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:58,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:58,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592253610] [2025-03-09 06:38:58,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:58,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:58,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:58,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:58,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:58,700 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:58,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 38 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:58,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:58,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:58,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:59,518 INFO L124 PetriNetUnfolderBase]: 2610/3962 cut-off events. [2025-03-09 06:38:59,518 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-03-09 06:38:59,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7995 conditions, 3962 events. 2610/3962 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 27263 event pairs, 2610 based on Foata normal form. 0/1833 useless extension candidates. Maximal degree in co-relation 7991. Up to 3914 conditions per place. [2025-03-09 06:38:59,528 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 32 selfloop transitions, 1 changer transitions 0/36 dead transitions. [2025-03-09 06:38:59,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 36 transitions, 159 flow [2025-03-09 06:38:59,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:38:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:38:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2025-03-09 06:38:59,529 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.18596491228070175 [2025-03-09 06:38:59,529 INFO L175 Difference]: Start difference. First operand has 59 places, 38 transitions, 97 flow. Second operand 3 states and 53 transitions. [2025-03-09 06:38:59,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 36 transitions, 159 flow [2025-03-09 06:38:59,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 36 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:38:59,530 INFO L231 Difference]: Finished difference. Result has 58 places, 36 transitions, 94 flow [2025-03-09 06:38:59,530 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=56, 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=94, PETRI_PLACES=58, PETRI_TRANSITIONS=36} [2025-03-09 06:38:59,530 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -42 predicate places. [2025-03-09 06:38:59,530 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 36 transitions, 94 flow [2025-03-09 06:38:59,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:59,530 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:59,530 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:38:59,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 06:38:59,530 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:38:59,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:59,531 INFO L85 PathProgramCache]: Analyzing trace with hash 57433309, now seen corresponding path program 1 times [2025-03-09 06:38:59,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:59,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595825607] [2025-03-09 06:38:59,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:59,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:59,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:38:59,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:38:59,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:38:59,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:38:59,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:59,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595825607] [2025-03-09 06:38:59,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595825607] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:59,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:59,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:38:59,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586430102] [2025-03-09 06:38:59,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:59,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:38:59,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:59,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:38:59,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:38:59,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:38:59,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 36 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:38:59,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:59,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:38:59,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:00,186 INFO L124 PetriNetUnfolderBase]: 1780/2744 cut-off events. [2025-03-09 06:39:00,186 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-09 06:39:00,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5544 conditions, 2744 events. 1780/2744 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 18097 event pairs, 1780 based on Foata normal form. 0/1453 useless extension candidates. Maximal degree in co-relation 5540. Up to 2711 conditions per place. [2025-03-09 06:39:00,194 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 30 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2025-03-09 06:39:00,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 34 transitions, 152 flow [2025-03-09 06:39:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2025-03-09 06:39:00,195 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.17894736842105263 [2025-03-09 06:39:00,195 INFO L175 Difference]: Start difference. First operand has 58 places, 36 transitions, 94 flow. Second operand 3 states and 51 transitions. [2025-03-09 06:39:00,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 34 transitions, 152 flow [2025-03-09 06:39:00,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 34 transitions, 151 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:00,195 INFO L231 Difference]: Finished difference. Result has 57 places, 34 transitions, 91 flow [2025-03-09 06:39:00,196 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=55, 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=91, PETRI_PLACES=57, PETRI_TRANSITIONS=34} [2025-03-09 06:39:00,196 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -43 predicate places. [2025-03-09 06:39:00,196 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 34 transitions, 91 flow [2025-03-09 06:39:00,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 06:39:00,196 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:39:00,196 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:39:00,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 06:39:00,196 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:39:00,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:39:00,196 INFO L85 PathProgramCache]: Analyzing trace with hash -642015374, now seen corresponding path program 1 times [2025-03-09 06:39:00,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:39:00,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163986276] [2025-03-09 06:39:00,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:39:00,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:39:00,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:39:00,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:39:00,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:39:00,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:39:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:39:00,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:39:00,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163986276] [2025-03-09 06:39:00,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163986276] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:39:00,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:39:00,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:39:00,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520980835] [2025-03-09 06:39:00,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:39:00,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:39:00,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:39:00,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:39:00,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:39:00,222 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:39:00,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 34 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:00,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:39:00,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:39:00,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:00,768 INFO L124 PetriNetUnfolderBase]: 1468/2275 cut-off events. [2025-03-09 06:39:00,768 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-09 06:39:00,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4604 conditions, 2275 events. 1468/2275 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 14627 event pairs, 1468 based on Foata normal form. 0/1243 useless extension candidates. Maximal degree in co-relation 4600. Up to 2245 conditions per place. [2025-03-09 06:39:00,774 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 28 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2025-03-09 06:39:00,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 32 transitions, 145 flow [2025-03-09 06:39:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2025-03-09 06:39:00,775 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.17192982456140352 [2025-03-09 06:39:00,775 INFO L175 Difference]: Start difference. First operand has 57 places, 34 transitions, 91 flow. Second operand 3 states and 49 transitions. [2025-03-09 06:39:00,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 32 transitions, 145 flow [2025-03-09 06:39:00,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 32 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:00,776 INFO L231 Difference]: Finished difference. Result has 56 places, 32 transitions, 88 flow [2025-03-09 06:39:00,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=54, 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=88, PETRI_PLACES=56, PETRI_TRANSITIONS=32} [2025-03-09 06:39:00,776 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -44 predicate places. [2025-03-09 06:39:00,776 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 32 transitions, 88 flow [2025-03-09 06:39:00,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:00,776 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:39:00,776 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:39:00,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 06:39:00,776 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:39:00,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:39:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash -642015380, now seen corresponding path program 1 times [2025-03-09 06:39:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:39:00,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991127400] [2025-03-09 06:39:00,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:39:00,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:39:00,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:39:00,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:39:00,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:39:00,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:39:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:39:00,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:39:00,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991127400] [2025-03-09 06:39:00,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991127400] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:39:00,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:39:00,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:39:00,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937719815] [2025-03-09 06:39:00,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:39:00,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:39:00,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:39:00,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:39:00,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:39:00,797 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:39:00,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 32 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:00,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:39:00,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:39:00,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:01,304 INFO L124 PetriNetUnfolderBase]: 1186/1850 cut-off events. [2025-03-09 06:39:01,304 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-03-09 06:39:01,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3752 conditions, 1850 events. 1186/1850 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 11461 event pairs, 1186 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 3748. Up to 1823 conditions per place. [2025-03-09 06:39:01,308 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 26 selfloop transitions, 1 changer transitions 0/30 dead transitions. [2025-03-09 06:39:01,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 30 transitions, 138 flow [2025-03-09 06:39:01,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:01,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 47 transitions. [2025-03-09 06:39:01,309 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.1649122807017544 [2025-03-09 06:39:01,309 INFO L175 Difference]: Start difference. First operand has 56 places, 32 transitions, 88 flow. Second operand 3 states and 47 transitions. [2025-03-09 06:39:01,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 30 transitions, 138 flow [2025-03-09 06:39:01,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 30 transitions, 137 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:01,310 INFO L231 Difference]: Finished difference. Result has 55 places, 30 transitions, 85 flow [2025-03-09 06:39:01,310 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=53, 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=85, PETRI_PLACES=55, PETRI_TRANSITIONS=30} [2025-03-09 06:39:01,310 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -45 predicate places. [2025-03-09 06:39:01,310 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 30 transitions, 85 flow [2025-03-09 06:39:01,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:01,310 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:39:01,310 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:39:01,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-09 06:39:01,310 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:39:01,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:39:01,311 INFO L85 PathProgramCache]: Analyzing trace with hash -642015362, now seen corresponding path program 1 times [2025-03-09 06:39:01,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:39:01,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803937821] [2025-03-09 06:39:01,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:39:01,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:39:01,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:39:01,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:39:01,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:39:01,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:39:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:39:01,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:39:01,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803937821] [2025-03-09 06:39:01,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803937821] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:39:01,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:39:01,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:39:01,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24393491] [2025-03-09 06:39:01,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:39:01,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:39:01,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:39:01,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:39:01,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:39:01,341 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:39:01,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 30 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:01,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:39:01,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:39:01,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:01,702 INFO L124 PetriNetUnfolderBase]: 934/1469 cut-off events. [2025-03-09 06:39:01,702 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-09 06:39:01,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2988 conditions, 1469 events. 934/1469 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 8808 event pairs, 934 based on Foata normal form. 0/871 useless extension candidates. Maximal degree in co-relation 2984. Up to 1445 conditions per place. [2025-03-09 06:39:01,706 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 24 selfloop transitions, 1 changer transitions 0/28 dead transitions. [2025-03-09 06:39:01,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 28 transitions, 131 flow [2025-03-09 06:39:01,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2025-03-09 06:39:01,707 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.15789473684210525 [2025-03-09 06:39:01,707 INFO L175 Difference]: Start difference. First operand has 55 places, 30 transitions, 85 flow. Second operand 3 states and 45 transitions. [2025-03-09 06:39:01,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 28 transitions, 131 flow [2025-03-09 06:39:01,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 28 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:01,707 INFO L231 Difference]: Finished difference. Result has 54 places, 28 transitions, 82 flow [2025-03-09 06:39:01,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=52, 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=82, PETRI_PLACES=54, PETRI_TRANSITIONS=28} [2025-03-09 06:39:01,708 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -46 predicate places. [2025-03-09 06:39:01,708 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 28 transitions, 82 flow [2025-03-09 06:39:01,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:01,708 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:39:01,708 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:39:01,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-09 06:39:01,708 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:39:01,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:39:01,708 INFO L85 PathProgramCache]: Analyzing trace with hash -642015367, now seen corresponding path program 1 times [2025-03-09 06:39:01,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:39:01,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697226770] [2025-03-09 06:39:01,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:39:01,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:39:01,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:39:01,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:39:01,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:39:01,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:39:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:39:01,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:39:01,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697226770] [2025-03-09 06:39:01,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697226770] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:39:01,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:39:01,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:39:01,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694379294] [2025-03-09 06:39:01,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:39:01,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:39:01,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:39:01,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:39:01,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:39:01,737 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:39:01,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 28 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:01,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:39:01,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:39:01,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:02,027 INFO L124 PetriNetUnfolderBase]: 712/1132 cut-off events. [2025-03-09 06:39:02,027 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-09 06:39:02,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2312 conditions, 1132 events. 712/1132 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 6442 event pairs, 712 based on Foata normal form. 0/709 useless extension candidates. Maximal degree in co-relation 2308. Up to 1111 conditions per place. [2025-03-09 06:39:02,031 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 22 selfloop transitions, 1 changer transitions 0/26 dead transitions. [2025-03-09 06:39:02,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 26 transitions, 124 flow [2025-03-09 06:39:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:02,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2025-03-09 06:39:02,032 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.15087719298245614 [2025-03-09 06:39:02,032 INFO L175 Difference]: Start difference. First operand has 54 places, 28 transitions, 82 flow. Second operand 3 states and 43 transitions. [2025-03-09 06:39:02,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 26 transitions, 124 flow [2025-03-09 06:39:02,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 26 transitions, 123 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:02,033 INFO L231 Difference]: Finished difference. Result has 53 places, 26 transitions, 79 flow [2025-03-09 06:39:02,033 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=51, 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=79, PETRI_PLACES=53, PETRI_TRANSITIONS=26} [2025-03-09 06:39:02,033 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -47 predicate places. [2025-03-09 06:39:02,033 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 26 transitions, 79 flow [2025-03-09 06:39:02,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,033 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:39:02,034 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:39:02,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-09 06:39:02,034 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:39:02,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:39:02,034 INFO L85 PathProgramCache]: Analyzing trace with hash -642015361, now seen corresponding path program 1 times [2025-03-09 06:39:02,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:39:02,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489668305] [2025-03-09 06:39:02,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:39:02,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:39:02,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:39:02,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:39:02,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:39:02,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:39:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:39:02,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:39:02,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489668305] [2025-03-09 06:39:02,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489668305] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:39:02,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:39:02,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:39:02,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551515095] [2025-03-09 06:39:02,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:39:02,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:39:02,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:39:02,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:39:02,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:39:02,074 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:39:02,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 26 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:39:02,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:39:02,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:02,281 INFO L124 PetriNetUnfolderBase]: 520/839 cut-off events. [2025-03-09 06:39:02,282 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-03-09 06:39:02,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 839 events. 520/839 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 4547 event pairs, 520 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 1720. Up to 821 conditions per place. [2025-03-09 06:39:02,285 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 20 selfloop transitions, 1 changer transitions 0/24 dead transitions. [2025-03-09 06:39:02,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 24 transitions, 117 flow [2025-03-09 06:39:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:02,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2025-03-09 06:39:02,287 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.14385964912280702 [2025-03-09 06:39:02,287 INFO L175 Difference]: Start difference. First operand has 53 places, 26 transitions, 79 flow. Second operand 3 states and 41 transitions. [2025-03-09 06:39:02,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 24 transitions, 117 flow [2025-03-09 06:39:02,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 24 transitions, 116 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:02,288 INFO L231 Difference]: Finished difference. Result has 52 places, 24 transitions, 76 flow [2025-03-09 06:39:02,288 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=50, 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=76, PETRI_PLACES=52, PETRI_TRANSITIONS=24} [2025-03-09 06:39:02,289 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -48 predicate places. [2025-03-09 06:39:02,289 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 24 transitions, 76 flow [2025-03-09 06:39:02,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,289 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:39:02,289 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:39:02,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-09 06:39:02,289 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:39:02,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:39:02,290 INFO L85 PathProgramCache]: Analyzing trace with hash -642015379, now seen corresponding path program 1 times [2025-03-09 06:39:02,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:39:02,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102722684] [2025-03-09 06:39:02,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:39:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:39:02,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:39:02,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:39:02,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:39:02,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:39:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:39:02,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:39:02,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102722684] [2025-03-09 06:39:02,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102722684] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:39:02,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:39:02,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:39:02,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082765050] [2025-03-09 06:39:02,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:39:02,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:39:02,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:39:02,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:39:02,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:39:02,322 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:39:02,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 24 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:39:02,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:39:02,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:02,481 INFO L124 PetriNetUnfolderBase]: 358/590 cut-off events. [2025-03-09 06:39:02,481 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-09 06:39:02,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1224 conditions, 590 events. 358/590 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 2947 event pairs, 358 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 1220. Up to 575 conditions per place. [2025-03-09 06:39:02,483 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 18 selfloop transitions, 1 changer transitions 0/22 dead transitions. [2025-03-09 06:39:02,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 22 transitions, 110 flow [2025-03-09 06:39:02,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2025-03-09 06:39:02,484 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.1368421052631579 [2025-03-09 06:39:02,484 INFO L175 Difference]: Start difference. First operand has 52 places, 24 transitions, 76 flow. Second operand 3 states and 39 transitions. [2025-03-09 06:39:02,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 22 transitions, 110 flow [2025-03-09 06:39:02,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 22 transitions, 109 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:02,485 INFO L231 Difference]: Finished difference. Result has 51 places, 22 transitions, 73 flow [2025-03-09 06:39:02,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=49, 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=73, PETRI_PLACES=51, PETRI_TRANSITIONS=22} [2025-03-09 06:39:02,486 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -49 predicate places. [2025-03-09 06:39:02,486 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 22 transitions, 73 flow [2025-03-09 06:39:02,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:39:02,486 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:39:02,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-09 06:39:02,486 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:39:02,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:39:02,487 INFO L85 PathProgramCache]: Analyzing trace with hash -642015373, now seen corresponding path program 1 times [2025-03-09 06:39:02,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:39:02,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300340037] [2025-03-09 06:39:02,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:39:02,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:39:02,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:39:02,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:39:02,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:39:02,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:39:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:39:02,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:39:02,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300340037] [2025-03-09 06:39:02,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300340037] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:39:02,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:39:02,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:39:02,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372185404] [2025-03-09 06:39:02,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:39:02,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:39:02,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:39:02,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:39:02,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:39:02,517 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:39:02,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 22 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:39:02,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:39:02,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:02,631 INFO L124 PetriNetUnfolderBase]: 226/385 cut-off events. [2025-03-09 06:39:02,632 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-09 06:39:02,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 812 conditions, 385 events. 226/385 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1717 event pairs, 226 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 808. Up to 373 conditions per place. [2025-03-09 06:39:02,633 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 16 selfloop transitions, 1 changer transitions 0/20 dead transitions. [2025-03-09 06:39:02,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 20 transitions, 103 flow [2025-03-09 06:39:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2025-03-09 06:39:02,633 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.12982456140350876 [2025-03-09 06:39:02,633 INFO L175 Difference]: Start difference. First operand has 51 places, 22 transitions, 73 flow. Second operand 3 states and 37 transitions. [2025-03-09 06:39:02,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 20 transitions, 103 flow [2025-03-09 06:39:02,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 20 transitions, 102 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:02,634 INFO L231 Difference]: Finished difference. Result has 50 places, 20 transitions, 70 flow [2025-03-09 06:39:02,634 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=48, 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=70, PETRI_PLACES=50, PETRI_TRANSITIONS=20} [2025-03-09 06:39:02,634 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -50 predicate places. [2025-03-09 06:39:02,634 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 20 transitions, 70 flow [2025-03-09 06:39:02,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,634 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:39:02,634 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:39:02,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 06:39:02,634 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2025-03-09 06:39:02,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:39:02,635 INFO L85 PathProgramCache]: Analyzing trace with hash -642015368, now seen corresponding path program 1 times [2025-03-09 06:39:02,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:39:02,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326951653] [2025-03-09 06:39:02,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:39:02,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:39:02,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:39:02,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:39:02,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:39:02,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:39:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:39:02,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:39:02,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326951653] [2025-03-09 06:39:02,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326951653] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:39:02,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:39:02,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:39:02,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890701629] [2025-03-09 06:39:02,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:39:02,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:39:02,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:39:02,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:39:02,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:39:02,659 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 95 [2025-03-09 06:39:02,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 20 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:39:02,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 95 [2025-03-09 06:39:02,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:39:02,732 INFO L124 PetriNetUnfolderBase]: 124/224 cut-off events. [2025-03-09 06:39:02,732 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-09 06:39:02,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 224 events. 124/224 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 846 event pairs, 124 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 484. Up to 215 conditions per place. [2025-03-09 06:39:02,733 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2025-03-09 06:39:02,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 18 transitions, 96 flow [2025-03-09 06:39:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:39:02,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:39:02,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2025-03-09 06:39:02,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.12280701754385964 [2025-03-09 06:39:02,734 INFO L175 Difference]: Start difference. First operand has 50 places, 20 transitions, 70 flow. Second operand 3 states and 35 transitions. [2025-03-09 06:39:02,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 18 transitions, 96 flow [2025-03-09 06:39:02,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 18 transitions, 95 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:39:02,734 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2025-03-09 06:39:02,734 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2025-03-09 06:39:02,734 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -51 predicate places. [2025-03-09 06:39:02,734 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2025-03-09 06:39:02,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (146 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (145 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (144 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (143 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (142 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (141 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (140 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (139 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (138 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (137 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (136 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (135 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (134 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (133 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (132 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (131 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (130 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (129 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (128 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 147 remaining) [2025-03-09 06:39:02,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 147 remaining) [2025-03-09 06:39:02,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (74 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 147 remaining) [2025-03-09 06:39:02,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 147 remaining) [2025-03-09 06:39:02,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 147 remaining) [2025-03-09 06:39:02,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 147 remaining) [2025-03-09 06:39:02,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-09 06:39:02,744 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:39:02,748 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-09 06:39:02,749 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 06:39:02,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 06:39:02 BasicIcfg [2025-03-09 06:39:02,752 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 06:39:02,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 06:39:02,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 06:39:02,753 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 06:39:02,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:37:31" (3/4) ... [2025-03-09 06:39:02,755 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 06:39:02,756 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-09 06:39:02,757 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-09 06:39:02,757 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-09 06:39:02,760 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2025-03-09 06:39:02,760 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-03-09 06:39:02,760 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-03-09 06:39:02,761 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 06:39:02,761 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 06:39:02,818 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 06:39:02,818 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 06:39:02,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 06:39:02,819 INFO L158 Benchmark]: Toolchain (without parser) took 93562.97ms. Allocated memory was 167.8MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 123.6MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2025-03-09 06:39:02,819 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:39:02,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.61ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 111.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:39:02,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.20ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 108.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:39:02,819 INFO L158 Benchmark]: Boogie Preprocessor took 46.78ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 105.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:39:02,820 INFO L158 Benchmark]: IcfgBuilder took 1966.98ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 102.6MB in the end (delta: 2.9MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2025-03-09 06:39:02,820 INFO L158 Benchmark]: TraceAbstraction took 91219.25ms. Allocated memory was 167.8MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 101.1MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2025-03-09 06:39:02,820 INFO L158 Benchmark]: Witness Printer took 65.16ms. Allocated memory is still 6.8GB. Free memory was 4.0GB in the beginning and 4.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:39:02,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.61ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 111.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.20ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 108.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.78ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 105.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1966.98ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 102.6MB in the end (delta: 2.9MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. * TraceAbstraction took 91219.25ms. Allocated memory was 167.8MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 101.1MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. * Witness Printer took 65.16ms. Allocated memory is still 6.8GB. Free memory was 4.0GB in the beginning and 4.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: 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 7 procedures, 183 locations, 182 edges, 147 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: 90.5s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 88.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 848 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 848 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 975 IncrementalHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 0 mSDtfsCounter, 975 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=0, InterpolantAutomatonStates: 74, 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, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 72 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-09 06:39:02,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE