./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 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/ldv-races/race-2_1-container_of.i -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 edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 15:16:23,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 15:16:23,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 15:16:23,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 15:16:23,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 15:16:23,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 15:16:23,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 15:16:23,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 15:16:23,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 15:16:23,607 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 15:16:23,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 15:16:23,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 15:16:23,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 15:16:23,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 15:16:23,607 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 15:16:23,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 15:16:23,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 15:16:23,609 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 15:16:23,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 15:16:23,609 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 15:16:23,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 15:16:23,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 15:16:23,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 15:16:23,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 15:16:23,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 15:16:23,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 15:16:23,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 15:16:23,610 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 -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e [2025-03-04 15:16:23,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 15:16:23,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 15:16:23,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 15:16:23,830 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 15:16:23,830 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 15:16:23,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2025-03-04 15:16:25,026 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4419b99b3/5dda3684324448cda6a37f3132912bee/FLAG631f25a9f [2025-03-04 15:16:25,404 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 15:16:25,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2025-03-04 15:16:25,433 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4419b99b3/5dda3684324448cda6a37f3132912bee/FLAG631f25a9f [2025-03-04 15:16:25,446 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4419b99b3/5dda3684324448cda6a37f3132912bee [2025-03-04 15:16:25,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 15:16:25,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 15:16:25,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 15:16:25,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 15:16:25,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 15:16:25,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153f1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25, skipping insertion in model container [2025-03-04 15:16:25,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 15:16:25,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:16:25,812 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 15:16:25,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:16:25,898 INFO L204 MainTranslator]: Completed translation [2025-03-04 15:16:25,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25 WrapperNode [2025-03-04 15:16:25,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 15:16:25,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 15:16:25,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 15:16:25,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 15:16:25,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,935 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 144 [2025-03-04 15:16:25,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 15:16:25,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 15:16:25,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 15:16:25,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 15:16:25,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,948 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,964 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 2, 13]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2025-03-04 15:16:25,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 15:16:25,986 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 15:16:25,986 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 15:16:25,986 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 15:16:25,987 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (1/1) ... [2025-03-04 15:16:25,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 15:16:26,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:16:26,021 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) [2025-03-04 15:16:26,024 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 [2025-03-04 15:16:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-04 15:16:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-04 15:16:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 15:16:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 15:16:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 15:16:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 15:16:26,042 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 15:16:26,229 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 15:16:26,230 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 15:16:26,431 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 15:16:26,431 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 15:16:26,577 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 15:16:26,577 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 15:16:26,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:16:26 BoogieIcfgContainer [2025-03-04 15:16:26,578 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 15:16:26,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 15:16:26,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 15:16:26,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 15:16:26,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:16:25" (1/3) ... [2025-03-04 15:16:26,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fcae85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:16:26, skipping insertion in model container [2025-03-04 15:16:26,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:25" (2/3) ... [2025-03-04 15:16:26,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fcae85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:16:26, skipping insertion in model container [2025-03-04 15:16:26,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:16:26" (3/3) ... [2025-03-04 15:16:26,586 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2025-03-04 15:16:26,612 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 15:16:26,613 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_1-container_of.i that has 2 procedures, 26 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-04 15:16:26,614 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 15:16:26,651 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 15:16:26,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2025-03-04 15:16:26,711 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2025-03-04 15:16:26,712 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 15:16:26,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 2/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 82 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 23. Up to 3 conditions per place. [2025-03-04 15:16:26,714 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2025-03-04 15:16:26,717 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2025-03-04 15:16:26,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 15:16:26,736 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;@27d6d9cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 15:16:26,736 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-04 15:16:26,743 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 15:16:26,744 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2025-03-04 15:16:26,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 15:16:26,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:26,744 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:26,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:26,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:26,750 INFO L85 PathProgramCache]: Analyzing trace with hash -53441137, now seen corresponding path program 1 times [2025-03-04 15:16:26,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:26,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358078879] [2025-03-04 15:16:26,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:26,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:26,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 15:16:26,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:16:26,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:26,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:27,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:27,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358078879] [2025-03-04 15:16:27,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358078879] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:27,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:27,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:27,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177915408] [2025-03-04 15:16:27,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:27,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:27,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:27,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:27,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:27,575 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-04 15:16:27,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2025-03-04 15:16:27,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:27,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-04 15:16:27,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:27,928 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2025-03-04 15:16:27,929 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-04 15:16:27,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1208 events. 621/1208 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6848 event pairs, 193 based on Foata normal form. 44/1176 useless extension candidates. Maximal degree in co-relation 2198. Up to 862 conditions per place. [2025-03-04 15:16:27,941 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2025-03-04 15:16:27,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2025-03-04 15:16:27,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 15:16:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-04 15:16:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2025-03-04 15:16:27,954 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2025-03-04 15:16:27,955 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2025-03-04 15:16:27,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2025-03-04 15:16:27,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-04 15:16:27,963 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2025-03-04 15:16:27,965 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=48, PETRI_TRANSITIONS=50} [2025-03-04 15:16:27,967 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2025-03-04 15:16:27,969 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2025-03-04 15:16:27,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2025-03-04 15:16:27,969 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:27,969 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:27,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 15:16:27,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:27,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:27,971 INFO L85 PathProgramCache]: Analyzing trace with hash -353293076, now seen corresponding path program 1 times [2025-03-04 15:16:27,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:27,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218088148] [2025-03-04 15:16:27,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:27,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:27,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 15:16:27,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 15:16:28,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:28,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:28,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:28,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218088148] [2025-03-04 15:16:28,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218088148] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:28,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:28,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:28,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229404839] [2025-03-04 15:16:28,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:28,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:28,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:28,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:28,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:28,261 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-04 15:16:28,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 50 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2025-03-04 15:16:28,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:28,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-04 15:16:28,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:28,586 INFO L124 PetriNetUnfolderBase]: 672/1245 cut-off events. [2025-03-04 15:16:28,586 INFO L125 PetriNetUnfolderBase]: For 467/467 co-relation queries the response was YES. [2025-03-04 15:16:28,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2979 conditions, 1245 events. 672/1245 cut-off events. For 467/467 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6733 event pairs, 267 based on Foata normal form. 44/1255 useless extension candidates. Maximal degree in co-relation 2506. Up to 951 conditions per place. [2025-03-04 15:16:28,597 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 25 changer transitions 5/97 dead transitions. [2025-03-04 15:16:28,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 97 transitions, 516 flow [2025-03-04 15:16:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 15:16:28,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-04 15:16:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2025-03-04 15:16:28,600 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2025-03-04 15:16:28,601 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 156 transitions. [2025-03-04 15:16:28,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 97 transitions, 516 flow [2025-03-04 15:16:28,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:28,607 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 316 flow [2025-03-04 15:16:28,608 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=316, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2025-03-04 15:16:28,608 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2025-03-04 15:16:28,608 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 316 flow [2025-03-04 15:16:28,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2025-03-04 15:16:28,609 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:28,609 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:28,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 15:16:28,609 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:28,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:28,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1733469850, now seen corresponding path program 1 times [2025-03-04 15:16:28,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:28,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368329964] [2025-03-04 15:16:28,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:28,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:28,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 15:16:28,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 15:16:28,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:28,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:29,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:29,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368329964] [2025-03-04 15:16:29,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368329964] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:29,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:29,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:29,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624449347] [2025-03-04 15:16:29,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:29,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:29,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:29,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:29,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:29,125 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-04 15:16:29,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 316 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:29,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:29,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-04 15:16:29,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:29,663 INFO L124 PetriNetUnfolderBase]: 846/1566 cut-off events. [2025-03-04 15:16:29,663 INFO L125 PetriNetUnfolderBase]: For 1324/1324 co-relation queries the response was YES. [2025-03-04 15:16:29,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4364 conditions, 1566 events. 846/1566 cut-off events. For 1324/1324 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8919 event pairs, 280 based on Foata normal form. 52/1618 useless extension candidates. Maximal degree in co-relation 3600. Up to 1146 conditions per place. [2025-03-04 15:16:29,672 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 82 selfloop transitions, 40 changer transitions 20/147 dead transitions. [2025-03-04 15:16:29,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 147 transitions, 962 flow [2025-03-04 15:16:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 15:16:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-04 15:16:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2025-03-04 15:16:29,673 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4342105263157895 [2025-03-04 15:16:29,674 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 316 flow. Second operand 12 states and 198 transitions. [2025-03-04 15:16:29,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 147 transitions, 962 flow [2025-03-04 15:16:29,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 147 transitions, 962 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 15:16:29,680 INFO L231 Difference]: Finished difference. Result has 77 places, 95 transitions, 688 flow [2025-03-04 15:16:29,680 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=688, PETRI_PLACES=77, PETRI_TRANSITIONS=95} [2025-03-04 15:16:29,681 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 38 predicate places. [2025-03-04 15:16:29,681 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 95 transitions, 688 flow [2025-03-04 15:16:29,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:29,681 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:29,681 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:29,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 15:16:29,681 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:29,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2017884484, now seen corresponding path program 2 times [2025-03-04 15:16:29,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:29,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811388988] [2025-03-04 15:16:29,682 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:29,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:29,698 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-03-04 15:16:29,704 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 15:16:29,705 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:29,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:30,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:30,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811388988] [2025-03-04 15:16:30,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811388988] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:30,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:30,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:30,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747148213] [2025-03-04 15:16:30,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:30,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:30,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:30,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:30,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:30,065 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-04 15:16:30,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 95 transitions, 688 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:30,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:30,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-04 15:16:30,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:30,598 INFO L124 PetriNetUnfolderBase]: 888/1620 cut-off events. [2025-03-04 15:16:30,598 INFO L125 PetriNetUnfolderBase]: For 4372/4372 co-relation queries the response was YES. [2025-03-04 15:16:30,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5687 conditions, 1620 events. 888/1620 cut-off events. For 4372/4372 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9033 event pairs, 221 based on Foata normal form. 52/1672 useless extension candidates. Maximal degree in co-relation 5259. Up to 1077 conditions per place. [2025-03-04 15:16:30,607 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 57 changer transitions 13/165 dead transitions. [2025-03-04 15:16:30,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 165 transitions, 1363 flow [2025-03-04 15:16:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 15:16:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-04 15:16:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 223 transitions. [2025-03-04 15:16:30,609 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4191729323308271 [2025-03-04 15:16:30,609 INFO L175 Difference]: Start difference. First operand has 77 places, 95 transitions, 688 flow. Second operand 14 states and 223 transitions. [2025-03-04 15:16:30,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 165 transitions, 1363 flow [2025-03-04 15:16:30,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 165 transitions, 1315 flow, removed 16 selfloop flow, removed 3 redundant places. [2025-03-04 15:16:30,625 INFO L231 Difference]: Finished difference. Result has 93 places, 112 transitions, 1002 flow [2025-03-04 15:16:30,626 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1002, PETRI_PLACES=93, PETRI_TRANSITIONS=112} [2025-03-04 15:16:30,626 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 54 predicate places. [2025-03-04 15:16:30,626 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 112 transitions, 1002 flow [2025-03-04 15:16:30,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:30,626 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:30,627 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:30,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 15:16:30,627 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:30,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1733478211, now seen corresponding path program 1 times [2025-03-04 15:16:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:30,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645597113] [2025-03-04 15:16:30,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:30,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 15:16:30,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 15:16:30,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:30,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:30,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:30,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645597113] [2025-03-04 15:16:30,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645597113] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:30,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:30,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:30,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121754814] [2025-03-04 15:16:30,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:30,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:16:30,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:30,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:16:30,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:16:30,951 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2025-03-04 15:16:30,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 112 transitions, 1002 flow. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2025-03-04 15:16:30,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:30,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2025-03-04 15:16:30,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:31,379 INFO L124 PetriNetUnfolderBase]: 834/1606 cut-off events. [2025-03-04 15:16:31,379 INFO L125 PetriNetUnfolderBase]: For 5957/6044 co-relation queries the response was YES. [2025-03-04 15:16:31,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6234 conditions, 1606 events. 834/1606 cut-off events. For 5957/6044 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 9664 event pairs, 88 based on Foata normal form. 20/1626 useless extension candidates. Maximal degree in co-relation 5652. Up to 880 conditions per place. [2025-03-04 15:16:31,389 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 150 selfloop transitions, 48 changer transitions 7/212 dead transitions. [2025-03-04 15:16:31,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 212 transitions, 2167 flow [2025-03-04 15:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 15:16:31,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 15:16:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 186 transitions. [2025-03-04 15:16:31,394 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48947368421052634 [2025-03-04 15:16:31,394 INFO L175 Difference]: Start difference. First operand has 93 places, 112 transitions, 1002 flow. Second operand 10 states and 186 transitions. [2025-03-04 15:16:31,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 212 transitions, 2167 flow [2025-03-04 15:16:31,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 212 transitions, 2008 flow, removed 15 selfloop flow, removed 8 redundant places. [2025-03-04 15:16:31,413 INFO L231 Difference]: Finished difference. Result has 101 places, 143 transitions, 1311 flow [2025-03-04 15:16:31,414 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1311, PETRI_PLACES=101, PETRI_TRANSITIONS=143} [2025-03-04 15:16:31,416 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 62 predicate places. [2025-03-04 15:16:31,416 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 143 transitions, 1311 flow [2025-03-04 15:16:31,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2025-03-04 15:16:31,416 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:31,416 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:31,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 15:16:31,416 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:31,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:31,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1379465702, now seen corresponding path program 3 times [2025-03-04 15:16:31,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:31,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699276370] [2025-03-04 15:16:31,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:31,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:31,433 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 1 equivalence classes. [2025-03-04 15:16:31,439 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 15:16:31,440 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:31,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:31,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:31,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699276370] [2025-03-04 15:16:31,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699276370] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:31,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:31,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:31,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277444984] [2025-03-04 15:16:31,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:31,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:31,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:31,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:31,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:31,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-04 15:16:31,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 143 transitions, 1311 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:31,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:31,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-04 15:16:31,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:32,463 INFO L124 PetriNetUnfolderBase]: 922/1723 cut-off events. [2025-03-04 15:16:32,463 INFO L125 PetriNetUnfolderBase]: For 7367/7367 co-relation queries the response was YES. [2025-03-04 15:16:32,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7150 conditions, 1723 events. 922/1723 cut-off events. For 7367/7367 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10017 event pairs, 210 based on Foata normal form. 52/1775 useless extension candidates. Maximal degree in co-relation 6606. Up to 1116 conditions per place. [2025-03-04 15:16:32,474 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 122 selfloop transitions, 83 changer transitions 17/227 dead transitions. [2025-03-04 15:16:32,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 227 transitions, 2260 flow [2025-03-04 15:16:32,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 15:16:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-04 15:16:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2025-03-04 15:16:32,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41640866873065013 [2025-03-04 15:16:32,476 INFO L175 Difference]: Start difference. First operand has 101 places, 143 transitions, 1311 flow. Second operand 17 states and 269 transitions. [2025-03-04 15:16:32,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 227 transitions, 2260 flow [2025-03-04 15:16:32,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 227 transitions, 2248 flow, removed 5 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:32,492 INFO L231 Difference]: Finished difference. Result has 123 places, 157 transitions, 1706 flow [2025-03-04 15:16:32,493 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1299, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1706, PETRI_PLACES=123, PETRI_TRANSITIONS=157} [2025-03-04 15:16:32,493 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 84 predicate places. [2025-03-04 15:16:32,493 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 157 transitions, 1706 flow [2025-03-04 15:16:32,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:32,493 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:32,493 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:32,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 15:16:32,494 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:32,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:32,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1701425263, now seen corresponding path program 2 times [2025-03-04 15:16:32,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:32,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2851284] [2025-03-04 15:16:32,494 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:32,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:32,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-03-04 15:16:32,511 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 15:16:32,511 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:32,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:32,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:32,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2851284] [2025-03-04 15:16:32,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2851284] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:32,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:32,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:32,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457354264] [2025-03-04 15:16:32,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:32,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:32,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:32,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:32,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:32,862 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-04 15:16:32,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 157 transitions, 1706 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:32,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:32,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-04 15:16:32,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:33,390 INFO L124 PetriNetUnfolderBase]: 1013/1904 cut-off events. [2025-03-04 15:16:33,390 INFO L125 PetriNetUnfolderBase]: For 10937/10980 co-relation queries the response was YES. [2025-03-04 15:16:33,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8803 conditions, 1904 events. 1013/1904 cut-off events. For 10937/10980 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 11499 event pairs, 288 based on Foata normal form. 48/1950 useless extension candidates. Maximal degree in co-relation 8100. Up to 1324 conditions per place. [2025-03-04 15:16:33,405 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 124 selfloop transitions, 78 changer transitions 17/224 dead transitions. [2025-03-04 15:16:33,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 224 transitions, 2615 flow [2025-03-04 15:16:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 15:16:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-04 15:16:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 259 transitions. [2025-03-04 15:16:33,407 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.40092879256965946 [2025-03-04 15:16:33,407 INFO L175 Difference]: Start difference. First operand has 123 places, 157 transitions, 1706 flow. Second operand 17 states and 259 transitions. [2025-03-04 15:16:33,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 224 transitions, 2615 flow [2025-03-04 15:16:33,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 224 transitions, 2410 flow, removed 34 selfloop flow, removed 11 redundant places. [2025-03-04 15:16:33,433 INFO L231 Difference]: Finished difference. Result has 133 places, 168 transitions, 1897 flow [2025-03-04 15:16:33,433 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1541, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1897, PETRI_PLACES=133, PETRI_TRANSITIONS=168} [2025-03-04 15:16:33,434 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 94 predicate places. [2025-03-04 15:16:33,434 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 168 transitions, 1897 flow [2025-03-04 15:16:33,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:33,434 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:33,434 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:33,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 15:16:33,435 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:33,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:33,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1664557211, now seen corresponding path program 3 times [2025-03-04 15:16:33,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:33,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318677004] [2025-03-04 15:16:33,435 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:33,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 1 equivalence classes. [2025-03-04 15:16:33,451 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 15:16:33,451 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:33,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:33,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:33,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:33,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318677004] [2025-03-04 15:16:33,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318677004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:33,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:33,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:33,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248557327] [2025-03-04 15:16:33,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:33,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:33,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:33,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:33,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:33,790 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-04 15:16:33,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 168 transitions, 1897 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:33,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:33,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-04 15:16:33,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:34,508 INFO L124 PetriNetUnfolderBase]: 989/1867 cut-off events. [2025-03-04 15:16:34,509 INFO L125 PetriNetUnfolderBase]: For 12494/12549 co-relation queries the response was YES. [2025-03-04 15:16:34,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8997 conditions, 1867 events. 989/1867 cut-off events. For 12494/12549 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 11191 event pairs, 250 based on Foata normal form. 48/1915 useless extension candidates. Maximal degree in co-relation 8309. Up to 1191 conditions per place. [2025-03-04 15:16:34,523 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 112 selfloop transitions, 95 changer transitions 17/229 dead transitions. [2025-03-04 15:16:34,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 229 transitions, 2687 flow [2025-03-04 15:16:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 15:16:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-04 15:16:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 307 transitions. [2025-03-04 15:16:34,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.38471177944862156 [2025-03-04 15:16:34,528 INFO L175 Difference]: Start difference. First operand has 133 places, 168 transitions, 1897 flow. Second operand 21 states and 307 transitions. [2025-03-04 15:16:34,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 229 transitions, 2687 flow [2025-03-04 15:16:34,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 229 transitions, 2522 flow, removed 23 selfloop flow, removed 9 redundant places. [2025-03-04 15:16:34,561 INFO L231 Difference]: Finished difference. Result has 148 places, 170 transitions, 1987 flow [2025-03-04 15:16:34,562 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1735, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1987, PETRI_PLACES=148, PETRI_TRANSITIONS=170} [2025-03-04 15:16:34,562 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 109 predicate places. [2025-03-04 15:16:34,562 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 170 transitions, 1987 flow [2025-03-04 15:16:34,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:34,562 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:34,562 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:34,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 15:16:34,563 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:34,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:34,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2017876123, now seen corresponding path program 4 times [2025-03-04 15:16:34,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:34,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151739949] [2025-03-04 15:16:34,563 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:16:34,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:34,575 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 13 statements into 2 equivalence classes. [2025-03-04 15:16:34,580 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 15:16:34,580 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:16:34,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:34,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:34,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151739949] [2025-03-04 15:16:34,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151739949] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:34,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:34,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:34,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959859584] [2025-03-04 15:16:34,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:34,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:34,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:34,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:34,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:34,853 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-04 15:16:34,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 170 transitions, 1987 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:34,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:34,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-04 15:16:34,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:35,516 INFO L124 PetriNetUnfolderBase]: 965/1802 cut-off events. [2025-03-04 15:16:35,517 INFO L125 PetriNetUnfolderBase]: For 13940/14104 co-relation queries the response was YES. [2025-03-04 15:16:35,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8977 conditions, 1802 events. 965/1802 cut-off events. For 13940/14104 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 10528 event pairs, 257 based on Foata normal form. 48/1846 useless extension candidates. Maximal degree in co-relation 8229. Up to 1104 conditions per place. [2025-03-04 15:16:35,530 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 100 selfloop transitions, 107 changer transitions 17/229 dead transitions. [2025-03-04 15:16:35,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 229 transitions, 2785 flow [2025-03-04 15:16:35,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 15:16:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-04 15:16:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 281 transitions. [2025-03-04 15:16:35,533 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.389196675900277 [2025-03-04 15:16:35,533 INFO L175 Difference]: Start difference. First operand has 148 places, 170 transitions, 1987 flow. Second operand 19 states and 281 transitions. [2025-03-04 15:16:35,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 229 transitions, 2785 flow [2025-03-04 15:16:35,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 229 transitions, 2390 flow, removed 29 selfloop flow, removed 23 redundant places. [2025-03-04 15:16:35,565 INFO L231 Difference]: Finished difference. Result has 148 places, 173 transitions, 1920 flow [2025-03-04 15:16:35,565 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1608, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1920, PETRI_PLACES=148, PETRI_TRANSITIONS=173} [2025-03-04 15:16:35,566 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 109 predicate places. [2025-03-04 15:16:35,566 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 173 transitions, 1920 flow [2025-03-04 15:16:35,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-03-04 15:16:35,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:35,566 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:35,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 15:16:35,566 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:35,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:35,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1757491729, now seen corresponding path program 1 times [2025-03-04 15:16:35,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:35,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990203914] [2025-03-04 15:16:35,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:35,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:16:35,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:16:35,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:35,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:35,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:35,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990203914] [2025-03-04 15:16:35,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990203914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:35,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:35,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 15:16:35,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402788194] [2025-03-04 15:16:35,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:35,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 15:16:35,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:35,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 15:16:35,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 15:16:35,624 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2025-03-04 15:16:35,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 173 transitions, 1920 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2025-03-04 15:16:35,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:35,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2025-03-04 15:16:35,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:35,790 INFO L124 PetriNetUnfolderBase]: 507/939 cut-off events. [2025-03-04 15:16:35,790 INFO L125 PetriNetUnfolderBase]: For 5672/5860 co-relation queries the response was YES. [2025-03-04 15:16:35,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4417 conditions, 939 events. 507/939 cut-off events. For 5672/5860 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4726 event pairs, 76 based on Foata normal form. 4/943 useless extension candidates. Maximal degree in co-relation 4378. Up to 512 conditions per place. [2025-03-04 15:16:35,796 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 150 selfloop transitions, 34 changer transitions 6/196 dead transitions. [2025-03-04 15:16:35,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 196 transitions, 2451 flow [2025-03-04 15:16:35,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 15:16:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-04 15:16:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2025-03-04 15:16:35,797 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2025-03-04 15:16:35,797 INFO L175 Difference]: Start difference. First operand has 148 places, 173 transitions, 1920 flow. Second operand 4 states and 84 transitions. [2025-03-04 15:16:35,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 196 transitions, 2451 flow [2025-03-04 15:16:35,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 196 transitions, 2204 flow, removed 41 selfloop flow, removed 16 redundant places. [2025-03-04 15:16:35,811 INFO L231 Difference]: Finished difference. Result has 126 places, 141 transitions, 1423 flow [2025-03-04 15:16:35,811 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1371, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1423, PETRI_PLACES=126, PETRI_TRANSITIONS=141} [2025-03-04 15:16:35,812 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 87 predicate places. [2025-03-04 15:16:35,812 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 141 transitions, 1423 flow [2025-03-04 15:16:35,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2025-03-04 15:16:35,812 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:35,812 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:35,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 15:16:35,812 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:35,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:35,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1648053343, now seen corresponding path program 1 times [2025-03-04 15:16:35,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:35,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419571761] [2025-03-04 15:16:35,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:35,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:35,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:35,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:35,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:35,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:36,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:36,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419571761] [2025-03-04 15:16:36,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419571761] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:36,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:36,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:36,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792939364] [2025-03-04 15:16:36,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:36,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:36,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:36,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:36,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:36,229 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:36,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 141 transitions, 1423 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:36,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:36,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:36,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:36,685 INFO L124 PetriNetUnfolderBase]: 679/1302 cut-off events. [2025-03-04 15:16:36,685 INFO L125 PetriNetUnfolderBase]: For 5674/5674 co-relation queries the response was YES. [2025-03-04 15:16:36,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5652 conditions, 1302 events. 679/1302 cut-off events. For 5674/5674 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7181 event pairs, 186 based on Foata normal form. 14/1316 useless extension candidates. Maximal degree in co-relation 5618. Up to 643 conditions per place. [2025-03-04 15:16:36,694 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 149 selfloop transitions, 60 changer transitions 0/211 dead transitions. [2025-03-04 15:16:36,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 211 transitions, 2234 flow [2025-03-04 15:16:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 202 transitions. [2025-03-04 15:16:36,695 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3543859649122807 [2025-03-04 15:16:36,695 INFO L175 Difference]: Start difference. First operand has 126 places, 141 transitions, 1423 flow. Second operand 15 states and 202 transitions. [2025-03-04 15:16:36,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 211 transitions, 2234 flow [2025-03-04 15:16:36,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 211 transitions, 2128 flow, removed 12 selfloop flow, removed 6 redundant places. [2025-03-04 15:16:36,710 INFO L231 Difference]: Finished difference. Result has 137 places, 147 transitions, 1553 flow [2025-03-04 15:16:36,710 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1352, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1553, PETRI_PLACES=137, PETRI_TRANSITIONS=147} [2025-03-04 15:16:36,711 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 98 predicate places. [2025-03-04 15:16:36,711 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 147 transitions, 1553 flow [2025-03-04 15:16:36,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:36,712 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:36,712 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:36,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 15:16:36,712 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:36,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:36,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1313093358, now seen corresponding path program 1 times [2025-03-04 15:16:36,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:36,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444791857] [2025-03-04 15:16:36,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:36,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:36,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:36,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:36,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:36,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:37,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:37,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444791857] [2025-03-04 15:16:37,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444791857] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:37,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:37,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:37,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659953162] [2025-03-04 15:16:37,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:37,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:37,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:37,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:37,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:37,079 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:37,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 147 transitions, 1553 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:37,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:37,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:37,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:37,544 INFO L124 PetriNetUnfolderBase]: 656/1271 cut-off events. [2025-03-04 15:16:37,544 INFO L125 PetriNetUnfolderBase]: For 4995/4995 co-relation queries the response was YES. [2025-03-04 15:16:37,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5421 conditions, 1271 events. 656/1271 cut-off events. For 4995/4995 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7043 event pairs, 168 based on Foata normal form. 16/1287 useless extension candidates. Maximal degree in co-relation 5389. Up to 774 conditions per place. [2025-03-04 15:16:37,549 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 131 selfloop transitions, 60 changer transitions 0/193 dead transitions. [2025-03-04 15:16:37,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 193 transitions, 2171 flow [2025-03-04 15:16:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 15:16:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-04 15:16:37,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 179 transitions. [2025-03-04 15:16:37,551 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2025-03-04 15:16:37,551 INFO L175 Difference]: Start difference. First operand has 137 places, 147 transitions, 1553 flow. Second operand 14 states and 179 transitions. [2025-03-04 15:16:37,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 193 transitions, 2171 flow [2025-03-04 15:16:37,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 193 transitions, 2086 flow, removed 0 selfloop flow, removed 8 redundant places. [2025-03-04 15:16:37,565 INFO L231 Difference]: Finished difference. Result has 145 places, 149 transitions, 1638 flow [2025-03-04 15:16:37,565 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1468, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1638, PETRI_PLACES=145, PETRI_TRANSITIONS=149} [2025-03-04 15:16:37,567 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 106 predicate places. [2025-03-04 15:16:37,567 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 149 transitions, 1638 flow [2025-03-04 15:16:37,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:37,568 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:37,568 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:37,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 15:16:37,569 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:37,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:37,569 INFO L85 PathProgramCache]: Analyzing trace with hash 172534939, now seen corresponding path program 2 times [2025-03-04 15:16:37,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:37,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258055044] [2025-03-04 15:16:37,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:37,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:37,581 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:37,588 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:37,588 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:37,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:37,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:37,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258055044] [2025-03-04 15:16:37,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258055044] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:37,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:37,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:37,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494376486] [2025-03-04 15:16:37,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:37,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:37,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:37,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:37,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:37,912 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:37,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 149 transitions, 1638 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:37,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:37,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:37,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:38,304 INFO L124 PetriNetUnfolderBase]: 731/1429 cut-off events. [2025-03-04 15:16:38,305 INFO L125 PetriNetUnfolderBase]: For 6139/6139 co-relation queries the response was YES. [2025-03-04 15:16:38,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6214 conditions, 1429 events. 731/1429 cut-off events. For 6139/6139 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 8224 event pairs, 212 based on Foata normal form. 14/1442 useless extension candidates. Maximal degree in co-relation 6179. Up to 899 conditions per place. [2025-03-04 15:16:38,312 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 146 selfloop transitions, 63 changer transitions 0/211 dead transitions. [2025-03-04 15:16:38,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 211 transitions, 2428 flow [2025-03-04 15:16:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 15:16:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-04 15:16:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 185 transitions. [2025-03-04 15:16:38,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34774436090225563 [2025-03-04 15:16:38,313 INFO L175 Difference]: Start difference. First operand has 145 places, 149 transitions, 1638 flow. Second operand 14 states and 185 transitions. [2025-03-04 15:16:38,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 211 transitions, 2428 flow [2025-03-04 15:16:38,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 211 transitions, 2323 flow, removed 2 selfloop flow, removed 9 redundant places. [2025-03-04 15:16:38,329 INFO L231 Difference]: Finished difference. Result has 154 places, 159 transitions, 1839 flow [2025-03-04 15:16:38,329 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1545, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1839, PETRI_PLACES=154, PETRI_TRANSITIONS=159} [2025-03-04 15:16:38,330 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 115 predicate places. [2025-03-04 15:16:38,330 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 159 transitions, 1839 flow [2025-03-04 15:16:38,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:38,330 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:38,330 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:38,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 15:16:38,330 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:38,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:38,331 INFO L85 PathProgramCache]: Analyzing trace with hash 186344509, now seen corresponding path program 3 times [2025-03-04 15:16:38,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:38,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757443799] [2025-03-04 15:16:38,331 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:38,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:38,341 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:38,346 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:38,346 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:38,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:38,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:38,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757443799] [2025-03-04 15:16:38,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757443799] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:38,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:38,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:38,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357925858] [2025-03-04 15:16:38,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:38,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:38,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:38,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:38,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:38,671 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:38,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 159 transitions, 1839 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:38,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:38,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:38,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:39,118 INFO L124 PetriNetUnfolderBase]: 822/1610 cut-off events. [2025-03-04 15:16:39,119 INFO L125 PetriNetUnfolderBase]: For 7635/7635 co-relation queries the response was YES. [2025-03-04 15:16:39,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7177 conditions, 1610 events. 822/1610 cut-off events. For 7635/7635 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9604 event pairs, 206 based on Foata normal form. 14/1623 useless extension candidates. Maximal degree in co-relation 7137. Up to 787 conditions per place. [2025-03-04 15:16:39,128 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 172 selfloop transitions, 63 changer transitions 0/237 dead transitions. [2025-03-04 15:16:39,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 237 transitions, 2746 flow [2025-03-04 15:16:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 15:16:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-04 15:16:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 196 transitions. [2025-03-04 15:16:39,130 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3684210526315789 [2025-03-04 15:16:39,130 INFO L175 Difference]: Start difference. First operand has 154 places, 159 transitions, 1839 flow. Second operand 14 states and 196 transitions. [2025-03-04 15:16:39,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 237 transitions, 2746 flow [2025-03-04 15:16:39,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 237 transitions, 2708 flow, removed 4 selfloop flow, removed 3 redundant places. [2025-03-04 15:16:39,150 INFO L231 Difference]: Finished difference. Result has 168 places, 164 transitions, 2033 flow [2025-03-04 15:16:39,150 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1801, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2033, PETRI_PLACES=168, PETRI_TRANSITIONS=164} [2025-03-04 15:16:39,151 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 129 predicate places. [2025-03-04 15:16:39,152 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 164 transitions, 2033 flow [2025-03-04 15:16:39,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:39,152 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:39,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:39,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 15:16:39,152 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:39,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:39,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2137906745, now seen corresponding path program 4 times [2025-03-04 15:16:39,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:39,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724061298] [2025-03-04 15:16:39,153 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:16:39,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:39,163 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-03-04 15:16:39,168 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:39,169 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:16:39,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:39,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:39,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724061298] [2025-03-04 15:16:39,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724061298] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:39,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:39,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:39,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823050158] [2025-03-04 15:16:39,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:39,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:39,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:39,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:39,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:39,524 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:39,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 164 transitions, 2033 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:39,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:39,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:39,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:39,996 INFO L124 PetriNetUnfolderBase]: 898/1765 cut-off events. [2025-03-04 15:16:39,996 INFO L125 PetriNetUnfolderBase]: For 10008/10008 co-relation queries the response was YES. [2025-03-04 15:16:40,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8144 conditions, 1765 events. 898/1765 cut-off events. For 10008/10008 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 10817 event pairs, 221 based on Foata normal form. 14/1779 useless extension candidates. Maximal degree in co-relation 8100. Up to 652 conditions per place. [2025-03-04 15:16:40,007 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 149 selfloop transitions, 76 changer transitions 0/227 dead transitions. [2025-03-04 15:16:40,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 227 transitions, 2830 flow [2025-03-04 15:16:40,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 15:16:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-04 15:16:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 204 transitions. [2025-03-04 15:16:40,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3355263157894737 [2025-03-04 15:16:40,008 INFO L175 Difference]: Start difference. First operand has 168 places, 164 transitions, 2033 flow. Second operand 16 states and 204 transitions. [2025-03-04 15:16:40,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 227 transitions, 2830 flow [2025-03-04 15:16:40,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 227 transitions, 2723 flow, removed 12 selfloop flow, removed 7 redundant places. [2025-03-04 15:16:40,034 INFO L231 Difference]: Finished difference. Result has 179 places, 169 transitions, 2190 flow [2025-03-04 15:16:40,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1928, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2190, PETRI_PLACES=179, PETRI_TRANSITIONS=169} [2025-03-04 15:16:40,034 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 140 predicate places. [2025-03-04 15:16:40,035 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 169 transitions, 2190 flow [2025-03-04 15:16:40,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:40,035 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:40,035 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:40,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 15:16:40,035 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:40,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:40,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2146494914, now seen corresponding path program 2 times [2025-03-04 15:16:40,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:40,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733706060] [2025-03-04 15:16:40,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:40,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:40,045 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:40,049 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:40,049 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:40,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:40,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:40,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:40,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733706060] [2025-03-04 15:16:40,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733706060] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:40,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:40,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:40,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409482590] [2025-03-04 15:16:40,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:40,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:40,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:40,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:40,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:40,344 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:40,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 169 transitions, 2190 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:40,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:40,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:40,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:40,883 INFO L124 PetriNetUnfolderBase]: 978/1932 cut-off events. [2025-03-04 15:16:40,883 INFO L125 PetriNetUnfolderBase]: For 11523/11527 co-relation queries the response was YES. [2025-03-04 15:16:40,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9072 conditions, 1932 events. 978/1932 cut-off events. For 11523/11527 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 12171 event pairs, 254 based on Foata normal form. 20/1952 useless extension candidates. Maximal degree in co-relation 9025. Up to 1243 conditions per place. [2025-03-04 15:16:40,896 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 147 selfloop transitions, 71 changer transitions 0/220 dead transitions. [2025-03-04 15:16:40,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 220 transitions, 2920 flow [2025-03-04 15:16:40,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:40,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2025-03-04 15:16:40,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3298245614035088 [2025-03-04 15:16:40,898 INFO L175 Difference]: Start difference. First operand has 179 places, 169 transitions, 2190 flow. Second operand 15 states and 188 transitions. [2025-03-04 15:16:40,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 220 transitions, 2920 flow [2025-03-04 15:16:40,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 220 transitions, 2803 flow, removed 3 selfloop flow, removed 11 redundant places. [2025-03-04 15:16:40,928 INFO L231 Difference]: Finished difference. Result has 185 places, 175 transitions, 2314 flow [2025-03-04 15:16:40,929 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2075, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2314, PETRI_PLACES=185, PETRI_TRANSITIONS=175} [2025-03-04 15:16:40,929 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 146 predicate places. [2025-03-04 15:16:40,929 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 175 transitions, 2314 flow [2025-03-04 15:16:40,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:40,930 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:40,930 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:40,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-04 15:16:40,930 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:40,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:40,931 INFO L85 PathProgramCache]: Analyzing trace with hash 209672928, now seen corresponding path program 3 times [2025-03-04 15:16:40,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:40,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317817002] [2025-03-04 15:16:40,931 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:40,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:40,941 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:40,947 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:40,947 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:40,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:41,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:41,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317817002] [2025-03-04 15:16:41,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317817002] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:41,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:41,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:41,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251563636] [2025-03-04 15:16:41,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:41,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:41,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:41,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:41,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:41,232 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:41,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 175 transitions, 2314 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:41,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:41,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:41,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:41,745 INFO L124 PetriNetUnfolderBase]: 1048/2082 cut-off events. [2025-03-04 15:16:41,746 INFO L125 PetriNetUnfolderBase]: For 12905/12909 co-relation queries the response was YES. [2025-03-04 15:16:41,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9863 conditions, 2082 events. 1048/2082 cut-off events. For 12905/12909 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 13399 event pairs, 283 based on Foata normal form. 20/2102 useless extension candidates. Maximal degree in co-relation 9813. Up to 1360 conditions per place. [2025-03-04 15:16:41,757 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 142 selfloop transitions, 76 changer transitions 0/220 dead transitions. [2025-03-04 15:16:41,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 220 transitions, 2992 flow [2025-03-04 15:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 180 transitions. [2025-03-04 15:16:41,761 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2025-03-04 15:16:41,761 INFO L175 Difference]: Start difference. First operand has 185 places, 175 transitions, 2314 flow. Second operand 15 states and 180 transitions. [2025-03-04 15:16:41,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 220 transitions, 2992 flow [2025-03-04 15:16:41,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 220 transitions, 2900 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-03-04 15:16:41,795 INFO L231 Difference]: Finished difference. Result has 196 places, 177 transitions, 2434 flow [2025-03-04 15:16:41,796 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2222, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2434, PETRI_PLACES=196, PETRI_TRANSITIONS=177} [2025-03-04 15:16:41,796 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 157 predicate places. [2025-03-04 15:16:41,796 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 177 transitions, 2434 flow [2025-03-04 15:16:41,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:41,796 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:41,796 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:41,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-04 15:16:41,797 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:41,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:41,797 INFO L85 PathProgramCache]: Analyzing trace with hash 34386528, now seen corresponding path program 4 times [2025-03-04 15:16:41,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:41,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088443730] [2025-03-04 15:16:41,797 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:16:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:41,806 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-03-04 15:16:41,810 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:41,810 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:16:41,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:42,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:42,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088443730] [2025-03-04 15:16:42,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088443730] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:42,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:42,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:42,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099479171] [2025-03-04 15:16:42,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:42,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:42,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:42,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:42,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:42,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:42,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 177 transitions, 2434 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:42,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:42,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:42,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:42,566 INFO L124 PetriNetUnfolderBase]: 1118/2216 cut-off events. [2025-03-04 15:16:42,566 INFO L125 PetriNetUnfolderBase]: For 15326/15330 co-relation queries the response was YES. [2025-03-04 15:16:42,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10779 conditions, 2216 events. 1118/2216 cut-off events. For 15326/15330 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 14502 event pairs, 283 based on Foata normal form. 16/2232 useless extension candidates. Maximal degree in co-relation 10726. Up to 991 conditions per place. [2025-03-04 15:16:42,578 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 143 selfloop transitions, 77 changer transitions 0/222 dead transitions. [2025-03-04 15:16:42,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 222 transitions, 3139 flow [2025-03-04 15:16:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 15:16:42,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-04 15:16:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2025-03-04 15:16:42,579 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31954887218045114 [2025-03-04 15:16:42,579 INFO L175 Difference]: Start difference. First operand has 196 places, 177 transitions, 2434 flow. Second operand 14 states and 170 transitions. [2025-03-04 15:16:42,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 222 transitions, 3139 flow [2025-03-04 15:16:42,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 222 transitions, 2992 flow, removed 8 selfloop flow, removed 11 redundant places. [2025-03-04 15:16:42,615 INFO L231 Difference]: Finished difference. Result has 201 places, 179 transitions, 2496 flow [2025-03-04 15:16:42,615 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2287, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2496, PETRI_PLACES=201, PETRI_TRANSITIONS=179} [2025-03-04 15:16:42,615 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 162 predicate places. [2025-03-04 15:16:42,615 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 179 transitions, 2496 flow [2025-03-04 15:16:42,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:42,615 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:42,615 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:42,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 15:16:42,616 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:42,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:42,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1920002503, now seen corresponding path program 5 times [2025-03-04 15:16:42,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:42,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833228679] [2025-03-04 15:16:42,616 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 15:16:42,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:42,627 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:42,633 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:42,633 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:42,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:42,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:42,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833228679] [2025-03-04 15:16:42,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833228679] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:42,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:42,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:42,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634215404] [2025-03-04 15:16:42,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:42,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:42,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:42,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:42,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:42,984 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:42,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 179 transitions, 2496 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:42,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:42,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:42,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:43,644 INFO L124 PetriNetUnfolderBase]: 1180/2342 cut-off events. [2025-03-04 15:16:43,644 INFO L125 PetriNetUnfolderBase]: For 16666/16670 co-relation queries the response was YES. [2025-03-04 15:16:43,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11578 conditions, 2342 events. 1180/2342 cut-off events. For 16666/16670 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 15558 event pairs, 321 based on Foata normal form. 14/2356 useless extension candidates. Maximal degree in co-relation 11521. Up to 843 conditions per place. [2025-03-04 15:16:43,657 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 165 selfloop transitions, 83 changer transitions 0/250 dead transitions. [2025-03-04 15:16:43,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 250 transitions, 3348 flow [2025-03-04 15:16:43,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 15:16:43,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-04 15:16:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 248 transitions. [2025-03-04 15:16:43,658 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34349030470914127 [2025-03-04 15:16:43,658 INFO L175 Difference]: Start difference. First operand has 201 places, 179 transitions, 2496 flow. Second operand 19 states and 248 transitions. [2025-03-04 15:16:43,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 250 transitions, 3348 flow [2025-03-04 15:16:43,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 250 transitions, 3189 flow, removed 7 selfloop flow, removed 10 redundant places. [2025-03-04 15:16:43,698 INFO L231 Difference]: Finished difference. Result has 212 places, 181 transitions, 2591 flow [2025-03-04 15:16:43,698 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2337, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2591, PETRI_PLACES=212, PETRI_TRANSITIONS=181} [2025-03-04 15:16:43,698 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 173 predicate places. [2025-03-04 15:16:43,698 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 181 transitions, 2591 flow [2025-03-04 15:16:43,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:43,699 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:43,699 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:43,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 15:16:43,699 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:43,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:43,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1911414334, now seen corresponding path program 5 times [2025-03-04 15:16:43,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:43,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053645232] [2025-03-04 15:16:43,699 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 15:16:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:43,709 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:43,714 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:43,714 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:43,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:44,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:44,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053645232] [2025-03-04 15:16:44,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053645232] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:44,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:44,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:44,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646779241] [2025-03-04 15:16:44,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:44,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:44,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:44,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:44,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:44,041 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:44,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 181 transitions, 2591 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:44,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:44,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:44,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:44,543 INFO L124 PetriNetUnfolderBase]: 1157/2317 cut-off events. [2025-03-04 15:16:44,544 INFO L125 PetriNetUnfolderBase]: For 18125/18129 co-relation queries the response was YES. [2025-03-04 15:16:44,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11583 conditions, 2317 events. 1157/2317 cut-off events. For 18125/18129 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 15416 event pairs, 312 based on Foata normal form. 16/2333 useless extension candidates. Maximal degree in co-relation 11525. Up to 1509 conditions per place. [2025-03-04 15:16:44,557 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 159 selfloop transitions, 66 changer transitions 0/227 dead transitions. [2025-03-04 15:16:44,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 227 transitions, 3267 flow [2025-03-04 15:16:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2025-03-04 15:16:44,560 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2025-03-04 15:16:44,560 INFO L175 Difference]: Start difference. First operand has 212 places, 181 transitions, 2591 flow. Second operand 15 states and 190 transitions. [2025-03-04 15:16:44,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 227 transitions, 3267 flow [2025-03-04 15:16:44,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 227 transitions, 3127 flow, removed 8 selfloop flow, removed 17 redundant places. [2025-03-04 15:16:44,608 INFO L231 Difference]: Finished difference. Result has 208 places, 180 transitions, 2567 flow [2025-03-04 15:16:44,608 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2435, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2567, PETRI_PLACES=208, PETRI_TRANSITIONS=180} [2025-03-04 15:16:44,609 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 169 predicate places. [2025-03-04 15:16:44,609 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 180 transitions, 2567 flow [2025-03-04 15:16:44,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:44,609 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:44,609 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:44,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-04 15:16:44,609 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:44,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:44,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1230392225, now seen corresponding path program 6 times [2025-03-04 15:16:44,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:44,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207877650] [2025-03-04 15:16:44,610 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-04 15:16:44,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:44,620 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:44,624 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:44,624 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-04 15:16:44,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207877650] [2025-03-04 15:16:44,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207877650] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:44,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:44,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:44,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535807958] [2025-03-04 15:16:44,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:44,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:44,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:44,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:44,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:44,916 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:44,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 180 transitions, 2567 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:44,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:44,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:44,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:45,411 INFO L124 PetriNetUnfolderBase]: 1219/2458 cut-off events. [2025-03-04 15:16:45,411 INFO L125 PetriNetUnfolderBase]: For 18600/18604 co-relation queries the response was YES. [2025-03-04 15:16:45,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12242 conditions, 2458 events. 1219/2458 cut-off events. For 18600/18604 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 16628 event pairs, 316 based on Foata normal form. 14/2472 useless extension candidates. Maximal degree in co-relation 12187. Up to 1615 conditions per place. [2025-03-04 15:16:45,425 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 159 selfloop transitions, 72 changer transitions 0/233 dead transitions. [2025-03-04 15:16:45,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 233 transitions, 3330 flow [2025-03-04 15:16:45,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2025-03-04 15:16:45,426 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2025-03-04 15:16:45,426 INFO L175 Difference]: Start difference. First operand has 208 places, 180 transitions, 2567 flow. Second operand 15 states and 190 transitions. [2025-03-04 15:16:45,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 233 transitions, 3330 flow [2025-03-04 15:16:45,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 233 transitions, 3207 flow, removed 9 selfloop flow, removed 14 redundant places. [2025-03-04 15:16:45,469 INFO L231 Difference]: Finished difference. Result has 211 places, 183 transitions, 2686 flow [2025-03-04 15:16:45,470 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2445, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2686, PETRI_PLACES=211, PETRI_TRANSITIONS=183} [2025-03-04 15:16:45,470 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 172 predicate places. [2025-03-04 15:16:45,470 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 183 transitions, 2686 flow [2025-03-04 15:16:45,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:45,470 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:45,470 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:45,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-04 15:16:45,471 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:45,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:45,471 INFO L85 PathProgramCache]: Analyzing trace with hash -884115095, now seen corresponding path program 7 times [2025-03-04 15:16:45,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:45,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333939677] [2025-03-04 15:16:45,471 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-04 15:16:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:45,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:45,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:45,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:45,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:45,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:45,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:45,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333939677] [2025-03-04 15:16:45,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333939677] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:45,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:45,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:45,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128073904] [2025-03-04 15:16:45,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:45,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:45,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:45,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:45,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:45,822 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:45,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 183 transitions, 2686 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:45,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:45,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:45,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:46,407 INFO L124 PetriNetUnfolderBase]: 1262/2539 cut-off events. [2025-03-04 15:16:46,407 INFO L125 PetriNetUnfolderBase]: For 20394/20398 co-relation queries the response was YES. [2025-03-04 15:16:46,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12902 conditions, 2539 events. 1262/2539 cut-off events. For 20394/20398 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 17387 event pairs, 320 based on Foata normal form. 14/2553 useless extension candidates. Maximal degree in co-relation 12848. Up to 827 conditions per place. [2025-03-04 15:16:46,422 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 162 selfloop transitions, 98 changer transitions 0/262 dead transitions. [2025-03-04 15:16:46,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 262 transitions, 3629 flow [2025-03-04 15:16:46,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 15:16:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-04 15:16:46,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 246 transitions. [2025-03-04 15:16:46,423 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3407202216066482 [2025-03-04 15:16:46,423 INFO L175 Difference]: Start difference. First operand has 211 places, 183 transitions, 2686 flow. Second operand 19 states and 246 transitions. [2025-03-04 15:16:46,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 262 transitions, 3629 flow [2025-03-04 15:16:46,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 262 transitions, 3560 flow, removed 9 selfloop flow, removed 5 redundant places. [2025-03-04 15:16:46,470 INFO L231 Difference]: Finished difference. Result has 228 places, 186 transitions, 2954 flow [2025-03-04 15:16:46,470 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2617, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2954, PETRI_PLACES=228, PETRI_TRANSITIONS=186} [2025-03-04 15:16:46,471 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 189 predicate places. [2025-03-04 15:16:46,471 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 186 transitions, 2954 flow [2025-03-04 15:16:46,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:46,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:46,471 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:46,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-04 15:16:46,471 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:46,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:46,471 INFO L85 PathProgramCache]: Analyzing trace with hash 368762403, now seen corresponding path program 1 times [2025-03-04 15:16:46,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:46,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826462576] [2025-03-04 15:16:46,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:46,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:46,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:46,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:46,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:46,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:46,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:46,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826462576] [2025-03-04 15:16:46,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826462576] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:46,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:46,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:16:46,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399317346] [2025-03-04 15:16:46,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:46,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:16:46,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:46,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:16:46,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:16:46,875 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:46,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 186 transitions, 2954 flow. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:46,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:46,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:46,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:47,422 INFO L124 PetriNetUnfolderBase]: 1303/2638 cut-off events. [2025-03-04 15:16:47,422 INFO L125 PetriNetUnfolderBase]: For 25118/25122 co-relation queries the response was YES. [2025-03-04 15:16:47,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13911 conditions, 2638 events. 1303/2638 cut-off events. For 25118/25122 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 18396 event pairs, 498 based on Foata normal form. 10/2648 useless extension candidates. Maximal degree in co-relation 13853. Up to 1914 conditions per place. [2025-03-04 15:16:47,437 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 160 selfloop transitions, 65 changer transitions 0/227 dead transitions. [2025-03-04 15:16:47,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 227 transitions, 3612 flow [2025-03-04 15:16:47,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 15:16:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-04 15:16:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 164 transitions. [2025-03-04 15:16:47,438 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3319838056680162 [2025-03-04 15:16:47,438 INFO L175 Difference]: Start difference. First operand has 228 places, 186 transitions, 2954 flow. Second operand 13 states and 164 transitions. [2025-03-04 15:16:47,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 227 transitions, 3612 flow [2025-03-04 15:16:47,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 227 transitions, 3420 flow, removed 8 selfloop flow, removed 14 redundant places. [2025-03-04 15:16:47,499 INFO L231 Difference]: Finished difference. Result has 229 places, 188 transitions, 2992 flow [2025-03-04 15:16:47,499 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2762, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2992, PETRI_PLACES=229, PETRI_TRANSITIONS=188} [2025-03-04 15:16:47,499 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 190 predicate places. [2025-03-04 15:16:47,500 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 188 transitions, 2992 flow [2025-03-04 15:16:47,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:47,500 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:47,500 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:47,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-04 15:16:47,500 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:47,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:47,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1784954803, now seen corresponding path program 1 times [2025-03-04 15:16:47,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:47,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86508991] [2025-03-04 15:16:47,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:47,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:47,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:47,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:47,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:47,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:47,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:47,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86508991] [2025-03-04 15:16:47,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86508991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:47,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:47,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651104293] [2025-03-04 15:16:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:47,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:47,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:47,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:47,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:47,767 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:47,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 188 transitions, 2992 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:47,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:47,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:47,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:48,276 INFO L124 PetriNetUnfolderBase]: 1284/2605 cut-off events. [2025-03-04 15:16:48,276 INFO L125 PetriNetUnfolderBase]: For 24694/24698 co-relation queries the response was YES. [2025-03-04 15:16:48,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13701 conditions, 2605 events. 1284/2605 cut-off events. For 24694/24698 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 18164 event pairs, 544 based on Foata normal form. 14/2619 useless extension candidates. Maximal degree in co-relation 13640. Up to 2013 conditions per place. [2025-03-04 15:16:48,288 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 140 selfloop transitions, 62 changer transitions 36/240 dead transitions. [2025-03-04 15:16:48,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 240 transitions, 3686 flow [2025-03-04 15:16:48,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 15:16:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-04 15:16:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 201 transitions. [2025-03-04 15:16:48,289 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3305921052631579 [2025-03-04 15:16:48,289 INFO L175 Difference]: Start difference. First operand has 229 places, 188 transitions, 2992 flow. Second operand 16 states and 201 transitions. [2025-03-04 15:16:48,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 240 transitions, 3686 flow [2025-03-04 15:16:48,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 240 transitions, 3496 flow, removed 11 selfloop flow, removed 11 redundant places. [2025-03-04 15:16:48,349 INFO L231 Difference]: Finished difference. Result has 233 places, 177 transitions, 2720 flow [2025-03-04 15:16:48,350 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2777, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2720, PETRI_PLACES=233, PETRI_TRANSITIONS=177} [2025-03-04 15:16:48,350 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 194 predicate places. [2025-03-04 15:16:48,350 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 177 transitions, 2720 flow [2025-03-04 15:16:48,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:48,350 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:48,350 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:48,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-04 15:16:48,350 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:48,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:48,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1779760995, now seen corresponding path program 2 times [2025-03-04 15:16:48,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:48,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674562503] [2025-03-04 15:16:48,351 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:48,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:48,360 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:48,363 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:48,363 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:48,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:48,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:48,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674562503] [2025-03-04 15:16:48,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674562503] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:48,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:48,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:16:48,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852363821] [2025-03-04 15:16:48,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:48,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:16:48,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:48,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:16:48,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:16:48,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:48,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 177 transitions, 2720 flow. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:48,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:48,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:48,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:49,131 INFO L124 PetriNetUnfolderBase]: 1270/2577 cut-off events. [2025-03-04 15:16:49,132 INFO L125 PetriNetUnfolderBase]: For 22270/22274 co-relation queries the response was YES. [2025-03-04 15:16:49,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13456 conditions, 2577 events. 1270/2577 cut-off events. For 22270/22274 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 17911 event pairs, 502 based on Foata normal form. 10/2587 useless extension candidates. Maximal degree in co-relation 13396. Up to 1788 conditions per place. [2025-03-04 15:16:49,146 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 175 selfloop transitions, 61 changer transitions 0/238 dead transitions. [2025-03-04 15:16:49,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 238 transitions, 3534 flow [2025-03-04 15:16:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 15:16:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-04 15:16:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 176 transitions. [2025-03-04 15:16:49,147 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3562753036437247 [2025-03-04 15:16:49,147 INFO L175 Difference]: Start difference. First operand has 233 places, 177 transitions, 2720 flow. Second operand 13 states and 176 transitions. [2025-03-04 15:16:49,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 238 transitions, 3534 flow [2025-03-04 15:16:49,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 238 transitions, 3402 flow, removed 7 selfloop flow, removed 14 redundant places. [2025-03-04 15:16:49,201 INFO L231 Difference]: Finished difference. Result has 228 places, 182 transitions, 2864 flow [2025-03-04 15:16:49,201 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2590, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2864, PETRI_PLACES=228, PETRI_TRANSITIONS=182} [2025-03-04 15:16:49,201 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 189 predicate places. [2025-03-04 15:16:49,201 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 182 transitions, 2864 flow [2025-03-04 15:16:49,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:49,201 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:49,201 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:49,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-04 15:16:49,202 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:49,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2051188033, now seen corresponding path program 1 times [2025-03-04 15:16:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:49,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094369375] [2025-03-04 15:16:49,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:49,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:49,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:49,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:49,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:49,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:49,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:49,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094369375] [2025-03-04 15:16:49,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094369375] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:49,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:49,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:49,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902397830] [2025-03-04 15:16:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:49,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:16:49,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:49,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:16:49,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:16:49,376 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2025-03-04 15:16:49,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 182 transitions, 2864 flow. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2025-03-04 15:16:49,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:49,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2025-03-04 15:16:49,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:49,792 INFO L124 PetriNetUnfolderBase]: 993/2102 cut-off events. [2025-03-04 15:16:49,792 INFO L125 PetriNetUnfolderBase]: For 17552/17558 co-relation queries the response was YES. [2025-03-04 15:16:49,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10843 conditions, 2102 events. 993/2102 cut-off events. For 17552/17558 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 15069 event pairs, 247 based on Foata normal form. 21/2120 useless extension candidates. Maximal degree in co-relation 10781. Up to 696 conditions per place. [2025-03-04 15:16:49,805 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 173 selfloop transitions, 64 changer transitions 3/257 dead transitions. [2025-03-04 15:16:49,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 257 transitions, 4001 flow [2025-03-04 15:16:49,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:16:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:16:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 212 transitions. [2025-03-04 15:16:49,806 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.507177033492823 [2025-03-04 15:16:49,806 INFO L175 Difference]: Start difference. First operand has 228 places, 182 transitions, 2864 flow. Second operand 11 states and 212 transitions. [2025-03-04 15:16:49,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 257 transitions, 4001 flow [2025-03-04 15:16:49,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 257 transitions, 3864 flow, removed 35 selfloop flow, removed 6 redundant places. [2025-03-04 15:16:49,860 INFO L231 Difference]: Finished difference. Result has 238 places, 195 transitions, 3082 flow [2025-03-04 15:16:49,860 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2761, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3082, PETRI_PLACES=238, PETRI_TRANSITIONS=195} [2025-03-04 15:16:49,860 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 199 predicate places. [2025-03-04 15:16:49,861 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 195 transitions, 3082 flow [2025-03-04 15:16:49,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2025-03-04 15:16:49,861 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:49,861 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:49,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-04 15:16:49,861 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:49,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:49,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1599379305, now seen corresponding path program 3 times [2025-03-04 15:16:49,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:49,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433453382] [2025-03-04 15:16:49,861 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:49,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:49,875 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:49,880 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:49,880 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:49,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:50,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:50,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433453382] [2025-03-04 15:16:50,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433453382] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:50,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:50,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:16:50,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697742648] [2025-03-04 15:16:50,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:50,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:16:50,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:50,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:16:50,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:16:50,279 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:50,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 195 transitions, 3082 flow. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:50,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:50,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:50,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:50,986 INFO L124 PetriNetUnfolderBase]: 1213/2476 cut-off events. [2025-03-04 15:16:50,986 INFO L125 PetriNetUnfolderBase]: For 24499/24499 co-relation queries the response was YES. [2025-03-04 15:16:50,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13995 conditions, 2476 events. 1213/2476 cut-off events. For 24499/24499 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 17087 event pairs, 242 based on Foata normal form. 10/2484 useless extension candidates. Maximal degree in co-relation 13926. Up to 564 conditions per place. [2025-03-04 15:16:51,002 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 146 selfloop transitions, 156 changer transitions 0/304 dead transitions. [2025-03-04 15:16:51,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 304 transitions, 4680 flow [2025-03-04 15:16:51,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 15:16:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-04 15:16:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 272 transitions. [2025-03-04 15:16:51,003 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3112128146453089 [2025-03-04 15:16:51,003 INFO L175 Difference]: Start difference. First operand has 238 places, 195 transitions, 3082 flow. Second operand 23 states and 272 transitions. [2025-03-04 15:16:51,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 304 transitions, 4680 flow [2025-03-04 15:16:51,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 304 transitions, 4435 flow, removed 40 selfloop flow, removed 13 redundant places. [2025-03-04 15:16:51,064 INFO L231 Difference]: Finished difference. Result has 246 places, 227 transitions, 3731 flow [2025-03-04 15:16:51,064 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2876, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3731, PETRI_PLACES=246, PETRI_TRANSITIONS=227} [2025-03-04 15:16:51,064 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 207 predicate places. [2025-03-04 15:16:51,064 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 227 transitions, 3731 flow [2025-03-04 15:16:51,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:51,065 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:51,065 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:51,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-04 15:16:51,065 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:51,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:51,065 INFO L85 PathProgramCache]: Analyzing trace with hash -908278421, now seen corresponding path program 2 times [2025-03-04 15:16:51,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:51,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726761812] [2025-03-04 15:16:51,065 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:51,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:51,074 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:51,078 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:51,078 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:51,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:51,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:51,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726761812] [2025-03-04 15:16:51,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726761812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:51,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:51,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:51,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697865570] [2025-03-04 15:16:51,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:51,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:51,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:51,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:51,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:51,354 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:51,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 227 transitions, 3731 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:51,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:51,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:51,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:51,876 INFO L124 PetriNetUnfolderBase]: 1194/2453 cut-off events. [2025-03-04 15:16:51,876 INFO L125 PetriNetUnfolderBase]: For 26169/26169 co-relation queries the response was YES. [2025-03-04 15:16:51,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13869 conditions, 2453 events. 1194/2453 cut-off events. For 26169/26169 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 17183 event pairs, 524 based on Foata normal form. 20/2473 useless extension candidates. Maximal degree in co-relation 13809. Up to 1829 conditions per place. [2025-03-04 15:16:51,890 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 168 selfloop transitions, 68 changer transitions 35/273 dead transitions. [2025-03-04 15:16:51,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 273 transitions, 4555 flow [2025-03-04 15:16:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 15:16:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-04 15:16:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 214 transitions. [2025-03-04 15:16:51,891 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3128654970760234 [2025-03-04 15:16:51,891 INFO L175 Difference]: Start difference. First operand has 246 places, 227 transitions, 3731 flow. Second operand 18 states and 214 transitions. [2025-03-04 15:16:51,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 273 transitions, 4555 flow [2025-03-04 15:16:51,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 273 transitions, 4136 flow, removed 92 selfloop flow, removed 24 redundant places. [2025-03-04 15:16:51,950 INFO L231 Difference]: Finished difference. Result has 240 places, 213 transitions, 3257 flow [2025-03-04 15:16:51,950 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=3303, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3257, PETRI_PLACES=240, PETRI_TRANSITIONS=213} [2025-03-04 15:16:51,951 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 201 predicate places. [2025-03-04 15:16:51,951 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 213 transitions, 3257 flow [2025-03-04 15:16:51,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:51,951 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:51,951 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:51,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-04 15:16:51,951 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:51,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:51,951 INFO L85 PathProgramCache]: Analyzing trace with hash -609464159, now seen corresponding path program 2 times [2025-03-04 15:16:51,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:51,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462436953] [2025-03-04 15:16:51,951 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:51,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:51,960 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:51,963 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:51,964 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:51,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:52,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:52,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462436953] [2025-03-04 15:16:52,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462436953] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:52,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:52,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:52,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479069231] [2025-03-04 15:16:52,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:52,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:52,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:52,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:52,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:52,256 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:52,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 213 transitions, 3257 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:52,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:52,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:52,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:52,829 INFO L124 PetriNetUnfolderBase]: 1090/2234 cut-off events. [2025-03-04 15:16:52,829 INFO L125 PetriNetUnfolderBase]: For 20031/20035 co-relation queries the response was YES. [2025-03-04 15:16:52,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11897 conditions, 2234 events. 1090/2234 cut-off events. For 20031/20035 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15202 event pairs, 404 based on Foata normal form. 14/2248 useless extension candidates. Maximal degree in co-relation 11847. Up to 1631 conditions per place. [2025-03-04 15:16:52,839 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 177 selfloop transitions, 58 changer transitions 29/266 dead transitions. [2025-03-04 15:16:52,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 266 transitions, 4005 flow [2025-03-04 15:16:52,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 15:16:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-04 15:16:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 227 transitions. [2025-03-04 15:16:52,840 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33187134502923976 [2025-03-04 15:16:52,840 INFO L175 Difference]: Start difference. First operand has 240 places, 213 transitions, 3257 flow. Second operand 18 states and 227 transitions. [2025-03-04 15:16:52,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 266 transitions, 4005 flow [2025-03-04 15:16:52,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 266 transitions, 3684 flow, removed 6 selfloop flow, removed 26 redundant places. [2025-03-04 15:16:52,879 INFO L231 Difference]: Finished difference. Result has 221 places, 202 transitions, 2828 flow [2025-03-04 15:16:52,879 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2878, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2828, PETRI_PLACES=221, PETRI_TRANSITIONS=202} [2025-03-04 15:16:52,880 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 182 predicate places. [2025-03-04 15:16:52,880 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 202 transitions, 2828 flow [2025-03-04 15:16:52,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:52,880 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:52,880 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:52,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-04 15:16:52,880 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:52,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:52,880 INFO L85 PathProgramCache]: Analyzing trace with hash -875697389, now seen corresponding path program 3 times [2025-03-04 15:16:52,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:52,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061829588] [2025-03-04 15:16:52,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:52,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:52,891 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:52,894 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:52,895 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:52,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:53,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:53,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061829588] [2025-03-04 15:16:53,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061829588] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:53,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:53,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:53,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371397230] [2025-03-04 15:16:53,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:53,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:16:53,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:53,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:16:53,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:16:53,054 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2025-03-04 15:16:53,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 202 transitions, 2828 flow. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2025-03-04 15:16:53,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:53,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2025-03-04 15:16:53,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:53,389 INFO L124 PetriNetUnfolderBase]: 831/1842 cut-off events. [2025-03-04 15:16:53,390 INFO L125 PetriNetUnfolderBase]: For 12860/12872 co-relation queries the response was YES. [2025-03-04 15:16:53,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9224 conditions, 1842 events. 831/1842 cut-off events. For 12860/12872 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 13089 event pairs, 165 based on Foata normal form. 30/1872 useless extension candidates. Maximal degree in co-relation 9176. Up to 357 conditions per place. [2025-03-04 15:16:53,400 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 168 selfloop transitions, 77 changer transitions 3/269 dead transitions. [2025-03-04 15:16:53,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 269 transitions, 3920 flow [2025-03-04 15:16:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 15:16:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-04 15:16:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 214 transitions. [2025-03-04 15:16:53,401 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4692982456140351 [2025-03-04 15:16:53,401 INFO L175 Difference]: Start difference. First operand has 221 places, 202 transitions, 2828 flow. Second operand 12 states and 214 transitions. [2025-03-04 15:16:53,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 269 transitions, 3920 flow [2025-03-04 15:16:53,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 269 transitions, 3689 flow, removed 5 selfloop flow, removed 21 redundant places. [2025-03-04 15:16:53,432 INFO L231 Difference]: Finished difference. Result has 213 places, 210 transitions, 2945 flow [2025-03-04 15:16:53,432 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2641, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2945, PETRI_PLACES=213, PETRI_TRANSITIONS=210} [2025-03-04 15:16:53,433 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 174 predicate places. [2025-03-04 15:16:53,433 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 210 transitions, 2945 flow [2025-03-04 15:16:53,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2025-03-04 15:16:53,433 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:53,433 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:53,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-04 15:16:53,434 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:53,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash -591833551, now seen corresponding path program 4 times [2025-03-04 15:16:53,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:53,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957980915] [2025-03-04 15:16:53,434 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:16:53,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:53,443 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 16 statements into 2 equivalence classes. [2025-03-04 15:16:53,447 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:53,447 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:16:53,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:53,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:53,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957980915] [2025-03-04 15:16:53,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957980915] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:53,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:53,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:53,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203819681] [2025-03-04 15:16:53,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:53,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:53,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:53,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:53,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:53,718 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:53,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 210 transitions, 2945 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:53,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:53,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:53,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:54,304 INFO L124 PetriNetUnfolderBase]: 968/2047 cut-off events. [2025-03-04 15:16:54,304 INFO L125 PetriNetUnfolderBase]: For 16902/16906 co-relation queries the response was YES. [2025-03-04 15:16:54,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10943 conditions, 2047 events. 968/2047 cut-off events. For 16902/16906 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 13905 event pairs, 346 based on Foata normal form. 24/2071 useless extension candidates. Maximal degree in co-relation 10892. Up to 1435 conditions per place. [2025-03-04 15:16:54,316 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 162 selfloop transitions, 67 changer transitions 28/259 dead transitions. [2025-03-04 15:16:54,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 259 transitions, 3802 flow [2025-03-04 15:16:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 15:16:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-04 15:16:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 238 transitions. [2025-03-04 15:16:54,317 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2982456140350877 [2025-03-04 15:16:54,317 INFO L175 Difference]: Start difference. First operand has 213 places, 210 transitions, 2945 flow. Second operand 21 states and 238 transitions. [2025-03-04 15:16:54,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 259 transitions, 3802 flow [2025-03-04 15:16:54,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 259 transitions, 3607 flow, removed 34 selfloop flow, removed 7 redundant places. [2025-03-04 15:16:54,352 INFO L231 Difference]: Finished difference. Result has 226 places, 200 transitions, 2775 flow [2025-03-04 15:16:54,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2779, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2775, PETRI_PLACES=226, PETRI_TRANSITIONS=200} [2025-03-04 15:16:54,352 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 187 predicate places. [2025-03-04 15:16:54,352 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 200 transitions, 2775 flow [2025-03-04 15:16:54,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:54,352 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:54,352 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:54,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-04 15:16:54,353 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:54,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:54,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1850599263, now seen corresponding path program 3 times [2025-03-04 15:16:54,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:54,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349364456] [2025-03-04 15:16:54,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:54,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:54,361 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:54,364 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:54,364 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:54,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:54,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:54,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349364456] [2025-03-04 15:16:54,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349364456] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:54,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:54,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:54,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742636401] [2025-03-04 15:16:54,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:54,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:54,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:54,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:54,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:54,631 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:54,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 200 transitions, 2775 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:54,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:54,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:54,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:55,068 INFO L124 PetriNetUnfolderBase]: 872/1844 cut-off events. [2025-03-04 15:16:55,068 INFO L125 PetriNetUnfolderBase]: For 14468/14468 co-relation queries the response was YES. [2025-03-04 15:16:55,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9495 conditions, 1844 events. 872/1844 cut-off events. For 14468/14468 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 12281 event pairs, 346 based on Foata normal form. 14/1858 useless extension candidates. Maximal degree in co-relation 9448. Up to 1367 conditions per place. [2025-03-04 15:16:55,077 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 162 selfloop transitions, 38 changer transitions 41/243 dead transitions. [2025-03-04 15:16:55,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 243 transitions, 3457 flow [2025-03-04 15:16:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 183 transitions. [2025-03-04 15:16:55,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32105263157894737 [2025-03-04 15:16:55,078 INFO L175 Difference]: Start difference. First operand has 226 places, 200 transitions, 2775 flow. Second operand 15 states and 183 transitions. [2025-03-04 15:16:55,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 243 transitions, 3457 flow [2025-03-04 15:16:55,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 243 transitions, 3281 flow, removed 0 selfloop flow, removed 19 redundant places. [2025-03-04 15:16:55,103 INFO L231 Difference]: Finished difference. Result has 214 places, 183 transitions, 2385 flow [2025-03-04 15:16:55,104 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2535, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2385, PETRI_PLACES=214, PETRI_TRANSITIONS=183} [2025-03-04 15:16:55,104 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 175 predicate places. [2025-03-04 15:16:55,104 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 183 transitions, 2385 flow [2025-03-04 15:16:55,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:55,104 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:55,104 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:55,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-04 15:16:55,104 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:55,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:55,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1159386929, now seen corresponding path program 5 times [2025-03-04 15:16:55,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:55,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602179205] [2025-03-04 15:16:55,105 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 15:16:55,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:55,113 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:55,116 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:55,116 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:55,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:55,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:55,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602179205] [2025-03-04 15:16:55,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602179205] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:55,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:55,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:55,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135420414] [2025-03-04 15:16:55,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:55,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:55,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:55,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:55,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:55,336 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:55,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 183 transitions, 2385 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:55,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:55,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:55,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:55,805 INFO L124 PetriNetUnfolderBase]: 752/1608 cut-off events. [2025-03-04 15:16:55,805 INFO L125 PetriNetUnfolderBase]: For 11651/11655 co-relation queries the response was YES. [2025-03-04 15:16:55,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8021 conditions, 1608 events. 752/1608 cut-off events. For 11651/11655 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 10487 event pairs, 293 based on Foata normal form. 20/1628 useless extension candidates. Maximal degree in co-relation 7974. Up to 1164 conditions per place. [2025-03-04 15:16:55,814 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 144 selfloop transitions, 42 changer transitions 38/226 dead transitions. [2025-03-04 15:16:55,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 226 transitions, 3061 flow [2025-03-04 15:16:55,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 15:16:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-04 15:16:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 229 transitions. [2025-03-04 15:16:55,815 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2869674185463659 [2025-03-04 15:16:55,815 INFO L175 Difference]: Start difference. First operand has 214 places, 183 transitions, 2385 flow. Second operand 21 states and 229 transitions. [2025-03-04 15:16:55,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 226 transitions, 3061 flow [2025-03-04 15:16:55,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 226 transitions, 2904 flow, removed 8 selfloop flow, removed 15 redundant places. [2025-03-04 15:16:55,838 INFO L231 Difference]: Finished difference. Result has 209 places, 169 transitions, 2109 flow [2025-03-04 15:16:55,838 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2216, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2109, PETRI_PLACES=209, PETRI_TRANSITIONS=169} [2025-03-04 15:16:55,838 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 170 predicate places. [2025-03-04 15:16:55,838 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 169 transitions, 2109 flow [2025-03-04 15:16:55,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:55,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:55,838 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:55,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-04 15:16:55,839 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:55,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:55,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1152674579, now seen corresponding path program 6 times [2025-03-04 15:16:55,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:55,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746429923] [2025-03-04 15:16:55,839 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-04 15:16:55,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:55,847 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:55,850 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:55,851 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-04 15:16:55,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:56,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:56,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746429923] [2025-03-04 15:16:56,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746429923] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:56,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:56,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:56,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833831279] [2025-03-04 15:16:56,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:56,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:56,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:56,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:56,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:56,098 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:56,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 169 transitions, 2109 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:56,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:56,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:56,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:56,451 INFO L124 PetriNetUnfolderBase]: 626/1351 cut-off events. [2025-03-04 15:16:56,451 INFO L125 PetriNetUnfolderBase]: For 8235/8239 co-relation queries the response was YES. [2025-03-04 15:16:56,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6682 conditions, 1351 events. 626/1351 cut-off events. For 8235/8239 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8464 event pairs, 253 based on Foata normal form. 24/1375 useless extension candidates. Maximal degree in co-relation 6639. Up to 985 conditions per place. [2025-03-04 15:16:56,458 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 133 selfloop transitions, 43 changer transitions 26/204 dead transitions. [2025-03-04 15:16:56,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 204 transitions, 2689 flow [2025-03-04 15:16:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 15:16:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-04 15:16:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 184 transitions. [2025-03-04 15:16:56,459 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2848297213622291 [2025-03-04 15:16:56,459 INFO L175 Difference]: Start difference. First operand has 209 places, 169 transitions, 2109 flow. Second operand 17 states and 184 transitions. [2025-03-04 15:16:56,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 204 transitions, 2689 flow [2025-03-04 15:16:56,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 204 transitions, 2573 flow, removed 0 selfloop flow, removed 21 redundant places. [2025-03-04 15:16:56,475 INFO L231 Difference]: Finished difference. Result has 192 places, 161 transitions, 1996 flow [2025-03-04 15:16:56,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1979, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1996, PETRI_PLACES=192, PETRI_TRANSITIONS=161} [2025-03-04 15:16:56,475 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 153 predicate places. [2025-03-04 15:16:56,475 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 161 transitions, 1996 flow [2025-03-04 15:16:56,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:56,475 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:56,476 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:56,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-04 15:16:56,476 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:56,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:56,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1065982769, now seen corresponding path program 7 times [2025-03-04 15:16:56,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:56,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574721473] [2025-03-04 15:16:56,476 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-04 15:16:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:56,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:56,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:56,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:56,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:56,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:56,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:56,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574721473] [2025-03-04 15:16:56,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574721473] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:56,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:56,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:16:56,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335136690] [2025-03-04 15:16:56,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:56,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:16:56,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:56,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:16:56,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:16:56,729 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:56,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 161 transitions, 1996 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:56,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:56,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:56,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:57,013 INFO L124 PetriNetUnfolderBase]: 534/1163 cut-off events. [2025-03-04 15:16:57,013 INFO L125 PetriNetUnfolderBase]: For 7266/7266 co-relation queries the response was YES. [2025-03-04 15:16:57,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5883 conditions, 1163 events. 534/1163 cut-off events. For 7266/7266 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6966 event pairs, 213 based on Foata normal form. 20/1183 useless extension candidates. Maximal degree in co-relation 5841. Up to 802 conditions per place. [2025-03-04 15:16:57,018 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 114 selfloop transitions, 35 changer transitions 37/188 dead transitions. [2025-03-04 15:16:57,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 2477 flow [2025-03-04 15:16:57,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 15:16:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-04 15:16:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 169 transitions. [2025-03-04 15:16:57,019 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2779605263157895 [2025-03-04 15:16:57,019 INFO L175 Difference]: Start difference. First operand has 192 places, 161 transitions, 1996 flow. Second operand 16 states and 169 transitions. [2025-03-04 15:16:57,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 2477 flow [2025-03-04 15:16:57,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 188 transitions, 2313 flow, removed 2 selfloop flow, removed 20 redundant places. [2025-03-04 15:16:57,033 INFO L231 Difference]: Finished difference. Result has 175 places, 142 transitions, 1738 flow [2025-03-04 15:16:57,033 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1819, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1738, PETRI_PLACES=175, PETRI_TRANSITIONS=142} [2025-03-04 15:16:57,034 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 136 predicate places. [2025-03-04 15:16:57,034 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 142 transitions, 1738 flow [2025-03-04 15:16:57,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:57,034 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:57,034 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:57,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-04 15:16:57,034 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:57,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash -697471937, now seen corresponding path program 1 times [2025-03-04 15:16:57,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:57,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112700737] [2025-03-04 15:16:57,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:57,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:57,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 15:16:57,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 15:16:57,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:57,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:57,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:57,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112700737] [2025-03-04 15:16:57,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112700737] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:57,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:57,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:16:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818899041] [2025-03-04 15:16:57,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:57,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:16:57,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:57,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:16:57,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:16:57,361 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:57,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 142 transitions, 1738 flow. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:57,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:57,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:57,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:57,695 INFO L124 PetriNetUnfolderBase]: 441/962 cut-off events. [2025-03-04 15:16:57,695 INFO L125 PetriNetUnfolderBase]: For 6229/6229 co-relation queries the response was YES. [2025-03-04 15:16:57,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4905 conditions, 962 events. 441/962 cut-off events. For 6229/6229 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 5512 event pairs, 224 based on Foata normal form. 10/972 useless extension candidates. Maximal degree in co-relation 4869. Up to 765 conditions per place. [2025-03-04 15:16:57,700 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 111 selfloop transitions, 28 changer transitions 25/166 dead transitions. [2025-03-04 15:16:57,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 166 transitions, 2123 flow [2025-03-04 15:16:57,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 15:16:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-04 15:16:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 138 transitions. [2025-03-04 15:16:57,701 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3026315789473684 [2025-03-04 15:16:57,701 INFO L175 Difference]: Start difference. First operand has 175 places, 142 transitions, 1738 flow. Second operand 12 states and 138 transitions. [2025-03-04 15:16:57,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 166 transitions, 2123 flow [2025-03-04 15:16:57,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 166 transitions, 1940 flow, removed 2 selfloop flow, removed 14 redundant places. [2025-03-04 15:16:57,712 INFO L231 Difference]: Finished difference. Result has 152 places, 133 transitions, 1503 flow [2025-03-04 15:16:57,712 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1503, PETRI_PLACES=152, PETRI_TRANSITIONS=133} [2025-03-04 15:16:57,713 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 113 predicate places. [2025-03-04 15:16:57,713 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 133 transitions, 1503 flow [2025-03-04 15:16:57,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:57,713 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:57,713 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:57,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-04 15:16:57,713 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:57,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:57,714 INFO L85 PathProgramCache]: Analyzing trace with hash 661984395, now seen corresponding path program 2 times [2025-03-04 15:16:57,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:57,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131912111] [2025-03-04 15:16:57,714 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:57,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:57,723 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 1 equivalence classes. [2025-03-04 15:16:57,725 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 15:16:57,725 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:57,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:57,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:57,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131912111] [2025-03-04 15:16:57,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131912111] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:57,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:57,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:16:57,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864299288] [2025-03-04 15:16:57,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:57,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:16:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:57,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:16:57,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:16:57,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:57,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 133 transitions, 1503 flow. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:57,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:57,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:57,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:58,411 INFO L124 PetriNetUnfolderBase]: 452/1038 cut-off events. [2025-03-04 15:16:58,412 INFO L125 PetriNetUnfolderBase]: For 6547/6547 co-relation queries the response was YES. [2025-03-04 15:16:58,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4650 conditions, 1038 events. 452/1038 cut-off events. For 6547/6547 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6339 event pairs, 137 based on Foata normal form. 50/1088 useless extension candidates. Maximal degree in co-relation 4615. Up to 373 conditions per place. [2025-03-04 15:16:58,415 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 66 selfloop transitions, 28 changer transitions 96/192 dead transitions. [2025-03-04 15:16:58,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 192 transitions, 2038 flow [2025-03-04 15:16:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 15:16:58,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-04 15:16:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 240 transitions. [2025-03-04 15:16:58,416 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3007518796992481 [2025-03-04 15:16:58,416 INFO L175 Difference]: Start difference. First operand has 152 places, 133 transitions, 1503 flow. Second operand 21 states and 240 transitions. [2025-03-04 15:16:58,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 192 transitions, 2038 flow [2025-03-04 15:16:58,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 192 transitions, 1934 flow, removed 0 selfloop flow, removed 9 redundant places. [2025-03-04 15:16:58,426 INFO L231 Difference]: Finished difference. Result has 160 places, 84 transitions, 903 flow [2025-03-04 15:16:58,427 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1243, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=903, PETRI_PLACES=160, PETRI_TRANSITIONS=84} [2025-03-04 15:16:58,427 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2025-03-04 15:16:58,427 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 84 transitions, 903 flow [2025-03-04 15:16:58,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:58,427 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:58,427 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:58,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-04 15:16:58,427 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:58,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:58,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1958848705, now seen corresponding path program 3 times [2025-03-04 15:16:58,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:58,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948046347] [2025-03-04 15:16:58,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:58,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:58,437 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 17 statements into 1 equivalence classes. [2025-03-04 15:16:58,440 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 15:16:58,440 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:58,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:58,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:58,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948046347] [2025-03-04 15:16:58,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948046347] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:58,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:58,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:16:58,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005347141] [2025-03-04 15:16:58,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:58,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:16:58,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:58,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:16:58,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:16:58,746 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:58,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 84 transitions, 903 flow. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:58,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:58,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:58,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:59,018 INFO L124 PetriNetUnfolderBase]: 193/472 cut-off events. [2025-03-04 15:16:59,019 INFO L125 PetriNetUnfolderBase]: For 2838/2838 co-relation queries the response was YES. [2025-03-04 15:16:59,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2237 conditions, 472 events. 193/472 cut-off events. For 2838/2838 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2289 event pairs, 54 based on Foata normal form. 10/482 useless extension candidates. Maximal degree in co-relation 2197. Up to 243 conditions per place. [2025-03-04 15:16:59,020 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 43 selfloop transitions, 26 changer transitions 41/112 dead transitions. [2025-03-04 15:16:59,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 112 transitions, 1192 flow [2025-03-04 15:16:59,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 15:16:59,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-04 15:16:59,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 178 transitions. [2025-03-04 15:16:59,021 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2755417956656347 [2025-03-04 15:16:59,021 INFO L175 Difference]: Start difference. First operand has 160 places, 84 transitions, 903 flow. Second operand 17 states and 178 transitions. [2025-03-04 15:16:59,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 112 transitions, 1192 flow [2025-03-04 15:16:59,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 112 transitions, 1036 flow, removed 25 selfloop flow, removed 27 redundant places. [2025-03-04 15:16:59,026 INFO L231 Difference]: Finished difference. Result has 134 places, 65 transitions, 622 flow [2025-03-04 15:16:59,026 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=622, PETRI_PLACES=134, PETRI_TRANSITIONS=65} [2025-03-04 15:16:59,026 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2025-03-04 15:16:59,027 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 65 transitions, 622 flow [2025-03-04 15:16:59,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2025-03-04 15:16:59,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:59,027 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:59,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-04 15:16:59,027 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:59,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:59,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1028198517, now seen corresponding path program 1 times [2025-03-04 15:16:59,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:59,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198277383] [2025-03-04 15:16:59,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:59,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:59,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 15:16:59,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 15:16:59,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:59,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:59,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:59,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198277383] [2025-03-04 15:16:59,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198277383] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:59,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:59,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:16:59,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503701794] [2025-03-04 15:16:59,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:59,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:16:59,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:59,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:16:59,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:16:59,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:59,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 65 transitions, 622 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2025-03-04 15:16:59,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:59,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:59,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:59,598 INFO L124 PetriNetUnfolderBase]: 132/338 cut-off events. [2025-03-04 15:16:59,598 INFO L125 PetriNetUnfolderBase]: For 1359/1359 co-relation queries the response was YES. [2025-03-04 15:16:59,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1479 conditions, 338 events. 132/338 cut-off events. For 1359/1359 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1485 event pairs, 78 based on Foata normal form. 6/341 useless extension candidates. Maximal degree in co-relation 1451. Up to 219 conditions per place. [2025-03-04 15:16:59,599 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 47 selfloop transitions, 16 changer transitions 16/81 dead transitions. [2025-03-04 15:16:59,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 81 transitions, 812 flow [2025-03-04 15:16:59,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:16:59,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:16:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 118 transitions. [2025-03-04 15:16:59,600 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2822966507177033 [2025-03-04 15:16:59,600 INFO L175 Difference]: Start difference. First operand has 134 places, 65 transitions, 622 flow. Second operand 11 states and 118 transitions. [2025-03-04 15:16:59,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 81 transitions, 812 flow [2025-03-04 15:16:59,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 81 transitions, 667 flow, removed 2 selfloop flow, removed 23 redundant places. [2025-03-04 15:16:59,603 INFO L231 Difference]: Finished difference. Result has 108 places, 60 transitions, 458 flow [2025-03-04 15:16:59,603 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=458, PETRI_PLACES=108, PETRI_TRANSITIONS=60} [2025-03-04 15:16:59,603 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 69 predicate places. [2025-03-04 15:16:59,603 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 60 transitions, 458 flow [2025-03-04 15:16:59,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2025-03-04 15:16:59,603 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:59,603 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:59,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-04 15:16:59,603 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:59,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:59,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1029982455, now seen corresponding path program 2 times [2025-03-04 15:16:59,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:59,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670220670] [2025-03-04 15:16:59,604 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:59,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:59,612 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 1 equivalence classes. [2025-03-04 15:16:59,615 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 15:16:59,615 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:59,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:59,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:59,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670220670] [2025-03-04 15:16:59,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670220670] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:59,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:59,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:16:59,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220922687] [2025-03-04 15:16:59,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:59,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:16:59,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:59,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:16:59,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:16:59,913 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:16:59,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 60 transitions, 458 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2025-03-04 15:16:59,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:59,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:16:59,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:00,101 INFO L124 PetriNetUnfolderBase]: 106/275 cut-off events. [2025-03-04 15:17:00,102 INFO L125 PetriNetUnfolderBase]: For 678/678 co-relation queries the response was YES. [2025-03-04 15:17:00,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1055 conditions, 275 events. 106/275 cut-off events. For 678/678 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1091 event pairs, 54 based on Foata normal form. 6/281 useless extension candidates. Maximal degree in co-relation 1034. Up to 145 conditions per place. [2025-03-04 15:17:00,102 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 31 selfloop transitions, 8 changer transitions 36/77 dead transitions. [2025-03-04 15:17:00,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 77 transitions, 637 flow [2025-03-04 15:17:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:17:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:17:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 121 transitions. [2025-03-04 15:17:00,103 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2894736842105263 [2025-03-04 15:17:00,103 INFO L175 Difference]: Start difference. First operand has 108 places, 60 transitions, 458 flow. Second operand 11 states and 121 transitions. [2025-03-04 15:17:00,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 77 transitions, 637 flow [2025-03-04 15:17:00,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 77 transitions, 586 flow, removed 0 selfloop flow, removed 10 redundant places. [2025-03-04 15:17:00,105 INFO L231 Difference]: Finished difference. Result has 101 places, 40 transitions, 270 flow [2025-03-04 15:17:00,105 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=270, PETRI_PLACES=101, PETRI_TRANSITIONS=40} [2025-03-04 15:17:00,105 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 62 predicate places. [2025-03-04 15:17:00,105 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 40 transitions, 270 flow [2025-03-04 15:17:00,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2025-03-04 15:17:00,105 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:00,106 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:00,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-04 15:17:00,106 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:00,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:00,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1628825965, now seen corresponding path program 3 times [2025-03-04 15:17:00,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:00,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078620224] [2025-03-04 15:17:00,106 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:17:00,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:00,117 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 19 statements into 1 equivalence classes. [2025-03-04 15:17:00,120 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 15:17:00,120 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:17:00,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:00,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:00,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:00,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078620224] [2025-03-04 15:17:00,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078620224] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:00,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:00,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:17:00,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246593416] [2025-03-04 15:17:00,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:00,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:17:00,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:00,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:17:00,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:17:00,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:17:00,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 40 transitions, 270 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2025-03-04 15:17:00,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:00,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:17:00,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:00,704 INFO L124 PetriNetUnfolderBase]: 63/165 cut-off events. [2025-03-04 15:17:00,704 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2025-03-04 15:17:00,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 165 events. 63/165 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 523 event pairs, 16 based on Foata normal form. 6/171 useless extension candidates. Maximal degree in co-relation 590. Up to 68 conditions per place. [2025-03-04 15:17:00,704 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 23 selfloop transitions, 13 changer transitions 18/56 dead transitions. [2025-03-04 15:17:00,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 56 transitions, 410 flow [2025-03-04 15:17:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 15:17:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-04 15:17:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 120 transitions. [2025-03-04 15:17:00,705 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2631578947368421 [2025-03-04 15:17:00,705 INFO L175 Difference]: Start difference. First operand has 101 places, 40 transitions, 270 flow. Second operand 12 states and 120 transitions. [2025-03-04 15:17:00,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 56 transitions, 410 flow [2025-03-04 15:17:00,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 56 transitions, 352 flow, removed 7 selfloop flow, removed 16 redundant places. [2025-03-04 15:17:00,706 INFO L231 Difference]: Finished difference. Result has 75 places, 33 transitions, 185 flow [2025-03-04 15:17:00,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=185, PETRI_PLACES=75, PETRI_TRANSITIONS=33} [2025-03-04 15:17:00,707 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 36 predicate places. [2025-03-04 15:17:00,707 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 33 transitions, 185 flow [2025-03-04 15:17:00,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2025-03-04 15:17:00,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:00,707 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:00,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-04 15:17:00,707 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:00,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:00,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1863094017, now seen corresponding path program 4 times [2025-03-04 15:17:00,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:00,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56217596] [2025-03-04 15:17:00,707 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:17:00,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:00,719 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 19 statements into 2 equivalence classes. [2025-03-04 15:17:00,722 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 15:17:00,722 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:17:00,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:01,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:01,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56217596] [2025-03-04 15:17:01,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56217596] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:01,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:01,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 15:17:01,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455296508] [2025-03-04 15:17:01,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:01,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:17:01,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:01,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:17:01,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:17:01,080 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-04 15:17:01,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 33 transitions, 185 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2025-03-04 15:17:01,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:01,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-04 15:17:01,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:01,271 INFO L124 PetriNetUnfolderBase]: 36/101 cut-off events. [2025-03-04 15:17:01,272 INFO L125 PetriNetUnfolderBase]: For 108/108 co-relation queries the response was YES. [2025-03-04 15:17:01,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 101 events. 36/101 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 241 event pairs, 4 based on Foata normal form. 6/107 useless extension candidates. Maximal degree in co-relation 305. Up to 29 conditions per place. [2025-03-04 15:17:01,272 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2025-03-04 15:17:01,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 45 transitions, 287 flow [2025-03-04 15:17:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 15:17:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-04 15:17:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 112 transitions. [2025-03-04 15:17:01,273 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.24561403508771928 [2025-03-04 15:17:01,273 INFO L175 Difference]: Start difference. First operand has 75 places, 33 transitions, 185 flow. Second operand 12 states and 112 transitions. [2025-03-04 15:17:01,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 45 transitions, 287 flow [2025-03-04 15:17:01,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 45 transitions, 250 flow, removed 1 selfloop flow, removed 12 redundant places. [2025-03-04 15:17:01,273 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2025-03-04 15:17:01,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2025-03-04 15:17:01,274 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 18 predicate places. [2025-03-04 15:17:01,274 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2025-03-04 15:17:01,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2025-03-04 15:17:01,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2025-03-04 15:17:01,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2025-03-04 15:17:01,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-04 15:17:01,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-04 15:17:01,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-04 15:17:01,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-04 15:17:01,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-04 15:17:01,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-04 15:17:01,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-04 15:17:01,277 INFO L422 BasicCegarLoop]: Path program histogram: [7, 7, 5, 4, 4, 3, 3, 3, 3, 1, 1, 1] [2025-03-04 15:17:01,280 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 15:17:01,280 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 15:17:01,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:17:01 BasicIcfg [2025-03-04 15:17:01,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 15:17:01,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 15:17:01,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 15:17:01,298 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 15:17:01,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:16:26" (3/4) ... [2025-03-04 15:17:01,300 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 15:17:01,302 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure my_callback [2025-03-04 15:17:01,307 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 125 nodes and edges [2025-03-04 15:17:01,307 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2025-03-04 15:17:01,308 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-04 15:17:01,308 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 15:17:01,403 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 15:17:01,403 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 15:17:01,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 15:17:01,404 INFO L158 Benchmark]: Toolchain (without parser) took 35954.58ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 115.3MB in the end (delta: 6.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2025-03-04 15:17:01,404 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:17:01,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.99ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 91.2MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-04 15:17:01,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.04ms. Allocated memory is still 167.8MB. Free memory was 91.2MB in the beginning and 89.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:17:01,404 INFO L158 Benchmark]: Boogie Preprocessor took 49.58ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 85.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:17:01,404 INFO L158 Benchmark]: IcfgBuilder took 591.77ms. Allocated memory is still 167.8MB. Free memory was 85.7MB in the beginning and 37.0MB in the end (delta: 48.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-04 15:17:01,405 INFO L158 Benchmark]: TraceAbstraction took 34716.89ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 889.2MB). Free memory was 36.5MB in the beginning and 1.0GB in the end (delta: -976.4MB). Peak memory consumption was 413.5MB. Max. memory is 16.1GB. [2025-03-04 15:17:01,405 INFO L158 Benchmark]: Witness Printer took 105.80ms. Allocated memory was 1.1GB in the beginning and 167.8MB in the end (delta: -889.2MB). Free memory was 1.0GB in the beginning and 115.3MB in the end (delta: 897.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 15:17:01,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.99ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 91.2MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.04ms. Allocated memory is still 167.8MB. Free memory was 91.2MB in the beginning and 89.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.58ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 85.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 591.77ms. Allocated memory is still 167.8MB. Free memory was 85.7MB in the beginning and 37.0MB in the end (delta: 48.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 34716.89ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 889.2MB). Free memory was 36.5MB in the beginning and 1.0GB in the end (delta: -976.4MB). Peak memory consumption was 413.5MB. Max. memory is 16.1GB. * Witness Printer took 105.80ms. Allocated memory was 1.1GB in the beginning and 167.8MB in the end (delta: -889.2MB). Free memory was 1.0GB in the beginning and 115.3MB in the end (delta: 897.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: 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 4 procedures, 48 locations, 8 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: 34.6s, OverallIterations: 42, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3960 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3737 mSDsluCounter, 3892 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3785 mSDsCounter, 585 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16709 IncrementalHoareTripleChecker+Invalid, 17294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 585 mSolverCounterUnsat, 107 mSDtfsCounter, 16709 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 685 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1852 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3731occurred in iteration=27, InterpolantAutomatonStates: 627, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 596 ConstructedInterpolants, 0 QuantifiedInterpolants, 7480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 42 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 15:17:01,420 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