./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-?-e2fb8be-m [2025-03-09 06:29:46,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:29:46,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:29:46,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:29:46,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:29:46,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:29:46,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:29:46,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:29:46,771 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:29:46,771 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:29:46,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:29:46,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:29:46,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:29:46,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:29:46,773 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:29:46,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:29:46,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:29:46,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:29:46,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:29:46,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:29:46,774 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 [2025-03-09 06:29:46,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:29:46,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:29:46,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:29:46,992 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:29:46,992 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:29:46,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2025-03-09 06:29:48,151 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7db51bcf/00a089f46cc24bbd98e7497bc7965f6b/FLAG43b1b9ba8 [2025-03-09 06:29:48,525 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:29:48,526 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2025-03-09 06:29:48,553 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7db51bcf/00a089f46cc24bbd98e7497bc7965f6b/FLAG43b1b9ba8 [2025-03-09 06:29:48,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7db51bcf/00a089f46cc24bbd98e7497bc7965f6b [2025-03-09 06:29:48,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:29:48,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:29:48,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:29:48,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:29:48,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:29:48,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:29:48" (1/1) ... [2025-03-09 06:29:48,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd1f7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:48, skipping insertion in model container [2025-03-09 06:29:48,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:29:48" (1/1) ... [2025-03-09 06:29:48,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:29:48,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:29:48,984 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:29:49,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:29:49,076 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:29:49,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49 WrapperNode [2025-03-09 06:29:49,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:29:49,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:29:49,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:29:49,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:29:49,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,117 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 144 [2025-03-09 06:29:49,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:29:49,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:29:49,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:29:49,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:29:49,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,126 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,135 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]. [2025-03-09 06:29:49,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:29:49,153 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:29:49,153 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:29:49,153 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:29:49,154 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:29:49,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:29:49,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 06:29:49,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 06:29:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-09 06:29:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:29:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:29:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:29:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:29:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:29:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:29:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:29:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:29:49,210 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 06:29:49,429 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:29:49,431 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:29:49,675 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 06:29:49,676 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:29:49,830 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:29:49,832 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:29:49,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:49 BoogieIcfgContainer [2025-03-09 06:29:49,832 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:29:49,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:29:49,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:29:49,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:29:49,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:29:48" (1/3) ... [2025-03-09 06:29:49,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273da1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:29:49, skipping insertion in model container [2025-03-09 06:29:49,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49" (2/3) ... [2025-03-09 06:29:49,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273da1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:29:49, skipping insertion in model container [2025-03-09 06:29:49,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:49" (3/3) ... [2025-03-09 06:29:49,841 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2025-03-09 06:29:49,851 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:29:49,852 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. [2025-03-09 06:29:49,852 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 06:29:49,887 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-09 06:29:49,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2025-03-09 06:29:49,957 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2025-03-09 06:29:49,961 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-09 06:29:49,963 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. [2025-03-09 06:29:49,963 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2025-03-09 06:29:49,967 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2025-03-09 06:29:49,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:29:49,983 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;@47610bc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:29:49,983 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-09 06:29:49,988 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:29:49,988 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2025-03-09 06:29:49,988 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:29:49,988 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:49,989 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:49,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:49,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:49,993 INFO L85 PathProgramCache]: Analyzing trace with hash -53441137, now seen corresponding path program 1 times [2025-03-09 06:29:49,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:49,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024956511] [2025-03-09 06:29:49,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:49,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:50,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 06:29:50,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 06:29:50,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:50,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:50,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:50,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024956511] [2025-03-09 06:29:50,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024956511] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:50,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:50,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:50,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974991924] [2025-03-09 06:29:50,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:50,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:50,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:50,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:50,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:50,770 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-09 06:29:50,773 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) [2025-03-09 06:29:50,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:50,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-09 06:29:50,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:51,216 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2025-03-09 06:29:51,216 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-09 06:29:51,221 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. [2025-03-09 06:29:51,228 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2025-03-09 06:29:51,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2025-03-09 06:29:51,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 06:29:51,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-09 06:29:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2025-03-09 06:29:51,242 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2025-03-09 06:29:51,243 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2025-03-09 06:29:51,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2025-03-09 06:29:51,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-09 06:29:51,251 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2025-03-09 06:29:51,253 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} [2025-03-09 06:29:51,257 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2025-03-09 06:29:51,258 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2025-03-09 06:29:51,258 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) [2025-03-09 06:29:51,258 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:51,258 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:51,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:29:51,258 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:51,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:51,259 INFO L85 PathProgramCache]: Analyzing trace with hash -353293076, now seen corresponding path program 1 times [2025-03-09 06:29:51,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:51,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385564180] [2025-03-09 06:29:51,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:51,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:51,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 06:29:51,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 06:29:51,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:51,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:51,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:51,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385564180] [2025-03-09 06:29:51,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385564180] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:51,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:51,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:51,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260281158] [2025-03-09 06:29:51,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:51,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:51,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:51,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:51,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:51,598 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-09 06:29:51,599 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) [2025-03-09 06:29:51,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:51,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-09 06:29:51,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:51,961 INFO L124 PetriNetUnfolderBase]: 672/1245 cut-off events. [2025-03-09 06:29:51,962 INFO L125 PetriNetUnfolderBase]: For 467/467 co-relation queries the response was YES. [2025-03-09 06:29:51,965 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. [2025-03-09 06:29:51,969 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 25 changer transitions 5/97 dead transitions. [2025-03-09 06:29:51,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 97 transitions, 516 flow [2025-03-09 06:29:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 06:29:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-09 06:29:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2025-03-09 06:29:51,971 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2025-03-09 06:29:51,971 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 156 transitions. [2025-03-09 06:29:51,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 97 transitions, 516 flow [2025-03-09 06:29:51,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:51,979 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 316 flow [2025-03-09 06:29:51,980 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} [2025-03-09 06:29:51,980 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2025-03-09 06:29:51,981 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 316 flow [2025-03-09 06:29:51,981 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) [2025-03-09 06:29:51,981 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:51,981 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:51,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 06:29:51,981 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:51,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:51,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1733469850, now seen corresponding path program 1 times [2025-03-09 06:29:51,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:51,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076984718] [2025-03-09 06:29:51,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:51,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:52,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:29:52,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:29:52,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:52,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:52,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:52,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076984718] [2025-03-09 06:29:52,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076984718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:52,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:52,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:52,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603483218] [2025-03-09 06:29:52,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:52,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:52,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:52,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:52,530 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-09 06:29:52,531 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) [2025-03-09 06:29:52,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:52,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-09 06:29:52,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:53,109 INFO L124 PetriNetUnfolderBase]: 846/1566 cut-off events. [2025-03-09 06:29:53,109 INFO L125 PetriNetUnfolderBase]: For 1324/1324 co-relation queries the response was YES. [2025-03-09 06:29:53,112 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. [2025-03-09 06:29:53,118 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 82 selfloop transitions, 40 changer transitions 20/147 dead transitions. [2025-03-09 06:29:53,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 147 transitions, 962 flow [2025-03-09 06:29:53,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:29:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:29:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2025-03-09 06:29:53,119 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4342105263157895 [2025-03-09 06:29:53,119 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 316 flow. Second operand 12 states and 198 transitions. [2025-03-09 06:29:53,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 147 transitions, 962 flow [2025-03-09 06:29:53,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 147 transitions, 962 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 06:29:53,126 INFO L231 Difference]: Finished difference. Result has 77 places, 95 transitions, 688 flow [2025-03-09 06:29:53,126 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} [2025-03-09 06:29:53,126 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 38 predicate places. [2025-03-09 06:29:53,126 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 95 transitions, 688 flow [2025-03-09 06:29:53,127 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) [2025-03-09 06:29:53,127 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:53,127 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:53,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:29:53,127 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:53,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:53,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2017884484, now seen corresponding path program 2 times [2025-03-09 06:29:53,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:53,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271546169] [2025-03-09 06:29:53,128 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:29:53,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:53,142 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:29:53,149 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:29:53,149 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:29:53,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:53,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:53,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271546169] [2025-03-09 06:29:53,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271546169] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:53,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:53,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:53,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313226968] [2025-03-09 06:29:53,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:53,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:53,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:53,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:53,552 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-09 06:29:53,552 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) [2025-03-09 06:29:53,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:53,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-09 06:29:53,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:54,095 INFO L124 PetriNetUnfolderBase]: 888/1620 cut-off events. [2025-03-09 06:29:54,095 INFO L125 PetriNetUnfolderBase]: For 4372/4372 co-relation queries the response was YES. [2025-03-09 06:29:54,101 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. [2025-03-09 06:29:54,108 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 57 changer transitions 13/165 dead transitions. [2025-03-09 06:29:54,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 165 transitions, 1363 flow [2025-03-09 06:29:54,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 06:29:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-09 06:29:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 223 transitions. [2025-03-09 06:29:54,110 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4191729323308271 [2025-03-09 06:29:54,110 INFO L175 Difference]: Start difference. First operand has 77 places, 95 transitions, 688 flow. Second operand 14 states and 223 transitions. [2025-03-09 06:29:54,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 165 transitions, 1363 flow [2025-03-09 06:29:54,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 165 transitions, 1315 flow, removed 16 selfloop flow, removed 3 redundant places. [2025-03-09 06:29:54,131 INFO L231 Difference]: Finished difference. Result has 93 places, 112 transitions, 1002 flow [2025-03-09 06:29:54,131 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} [2025-03-09 06:29:54,133 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 54 predicate places. [2025-03-09 06:29:54,133 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 112 transitions, 1002 flow [2025-03-09 06:29:54,133 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) [2025-03-09 06:29:54,133 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:54,133 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:54,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:29:54,133 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:54,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:54,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1733478211, now seen corresponding path program 1 times [2025-03-09 06:29:54,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:54,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835098808] [2025-03-09 06:29:54,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:54,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:54,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:29:54,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:29:54,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:54,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:54,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:54,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835098808] [2025-03-09 06:29:54,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835098808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:54,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:54,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:54,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989884322] [2025-03-09 06:29:54,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:54,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:29:54,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:54,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:29:54,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:29:54,473 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2025-03-09 06:29:54,473 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) [2025-03-09 06:29:54,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:54,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2025-03-09 06:29:54,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:54,904 INFO L124 PetriNetUnfolderBase]: 834/1606 cut-off events. [2025-03-09 06:29:54,904 INFO L125 PetriNetUnfolderBase]: For 5957/6044 co-relation queries the response was YES. [2025-03-09 06:29:54,908 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. [2025-03-09 06:29:54,913 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 150 selfloop transitions, 48 changer transitions 7/212 dead transitions. [2025-03-09 06:29:54,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 212 transitions, 2167 flow [2025-03-09 06:29:54,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:29:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:29:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 186 transitions. [2025-03-09 06:29:54,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48947368421052634 [2025-03-09 06:29:54,914 INFO L175 Difference]: Start difference. First operand has 93 places, 112 transitions, 1002 flow. Second operand 10 states and 186 transitions. [2025-03-09 06:29:54,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 212 transitions, 2167 flow [2025-03-09 06:29:54,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 212 transitions, 2008 flow, removed 15 selfloop flow, removed 8 redundant places. [2025-03-09 06:29:54,928 INFO L231 Difference]: Finished difference. Result has 101 places, 143 transitions, 1311 flow [2025-03-09 06:29:54,928 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} [2025-03-09 06:29:54,929 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 62 predicate places. [2025-03-09 06:29:54,929 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 143 transitions, 1311 flow [2025-03-09 06:29:54,929 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) [2025-03-09 06:29:54,929 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:54,929 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:54,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:29:54,930 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:54,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:54,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1379465702, now seen corresponding path program 3 times [2025-03-09 06:29:54,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:54,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760247189] [2025-03-09 06:29:54,930 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:29:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:54,947 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:29:54,953 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:29:54,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:29:54,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:55,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:55,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760247189] [2025-03-09 06:29:55,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760247189] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:55,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:55,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:55,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195803446] [2025-03-09 06:29:55,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:55,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:55,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:55,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:55,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:55,274 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-09 06:29:55,274 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) [2025-03-09 06:29:55,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:55,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-09 06:29:55,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:55,968 INFO L124 PetriNetUnfolderBase]: 922/1723 cut-off events. [2025-03-09 06:29:55,968 INFO L125 PetriNetUnfolderBase]: For 7367/7367 co-relation queries the response was YES. [2025-03-09 06:29:55,974 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. [2025-03-09 06:29:55,980 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 122 selfloop transitions, 83 changer transitions 17/227 dead transitions. [2025-03-09 06:29:55,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 227 transitions, 2260 flow [2025-03-09 06:29:55,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:29:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:29:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2025-03-09 06:29:55,982 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41640866873065013 [2025-03-09 06:29:55,982 INFO L175 Difference]: Start difference. First operand has 101 places, 143 transitions, 1311 flow. Second operand 17 states and 269 transitions. [2025-03-09 06:29:55,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 227 transitions, 2260 flow [2025-03-09 06:29:55,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 227 transitions, 2248 flow, removed 5 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:56,000 INFO L231 Difference]: Finished difference. Result has 123 places, 157 transitions, 1706 flow [2025-03-09 06:29:56,000 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} [2025-03-09 06:29:56,001 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 84 predicate places. [2025-03-09 06:29:56,001 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 157 transitions, 1706 flow [2025-03-09 06:29:56,001 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) [2025-03-09 06:29:56,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:56,001 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:56,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:29:56,002 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:56,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:56,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1701425263, now seen corresponding path program 2 times [2025-03-09 06:29:56,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:56,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526947073] [2025-03-09 06:29:56,002 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:29:56,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:56,016 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:29:56,024 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:29:56,024 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:29:56,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:56,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:56,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526947073] [2025-03-09 06:29:56,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526947073] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:56,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:56,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:56,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963386147] [2025-03-09 06:29:56,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:56,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:56,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:56,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:56,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:56,390 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-09 06:29:56,390 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) [2025-03-09 06:29:56,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:56,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-09 06:29:56,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:56,935 INFO L124 PetriNetUnfolderBase]: 1013/1904 cut-off events. [2025-03-09 06:29:56,935 INFO L125 PetriNetUnfolderBase]: For 10937/10980 co-relation queries the response was YES. [2025-03-09 06:29:56,942 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. [2025-03-09 06:29:56,950 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 124 selfloop transitions, 78 changer transitions 17/224 dead transitions. [2025-03-09 06:29:56,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 224 transitions, 2615 flow [2025-03-09 06:29:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:29:56,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:29:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 259 transitions. [2025-03-09 06:29:56,952 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.40092879256965946 [2025-03-09 06:29:56,952 INFO L175 Difference]: Start difference. First operand has 123 places, 157 transitions, 1706 flow. Second operand 17 states and 259 transitions. [2025-03-09 06:29:56,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 224 transitions, 2615 flow [2025-03-09 06:29:56,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 224 transitions, 2410 flow, removed 34 selfloop flow, removed 11 redundant places. [2025-03-09 06:29:56,978 INFO L231 Difference]: Finished difference. Result has 133 places, 168 transitions, 1897 flow [2025-03-09 06:29:56,978 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} [2025-03-09 06:29:56,980 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 94 predicate places. [2025-03-09 06:29:56,980 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 168 transitions, 1897 flow [2025-03-09 06:29:56,980 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) [2025-03-09 06:29:56,980 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:56,981 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:56,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:29:56,981 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:56,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1664557211, now seen corresponding path program 3 times [2025-03-09 06:29:56,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:56,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037555652] [2025-03-09 06:29:56,981 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:29:56,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:56,995 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:29:57,002 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:29:57,002 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:29:57,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:57,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:57,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037555652] [2025-03-09 06:29:57,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037555652] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:57,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:57,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:57,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932524473] [2025-03-09 06:29:57,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:57,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:57,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:57,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:57,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:57,351 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-09 06:29:57,352 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) [2025-03-09 06:29:57,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:57,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-09 06:29:57,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:58,122 INFO L124 PetriNetUnfolderBase]: 989/1867 cut-off events. [2025-03-09 06:29:58,122 INFO L125 PetriNetUnfolderBase]: For 12494/12549 co-relation queries the response was YES. [2025-03-09 06:29:58,129 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. [2025-03-09 06:29:58,143 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 112 selfloop transitions, 95 changer transitions 17/229 dead transitions. [2025-03-09 06:29:58,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 229 transitions, 2687 flow [2025-03-09 06:29:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:29:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:29:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 307 transitions. [2025-03-09 06:29:58,145 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.38471177944862156 [2025-03-09 06:29:58,145 INFO L175 Difference]: Start difference. First operand has 133 places, 168 transitions, 1897 flow. Second operand 21 states and 307 transitions. [2025-03-09 06:29:58,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 229 transitions, 2687 flow [2025-03-09 06:29:58,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 229 transitions, 2522 flow, removed 23 selfloop flow, removed 9 redundant places. [2025-03-09 06:29:58,183 INFO L231 Difference]: Finished difference. Result has 148 places, 170 transitions, 1987 flow [2025-03-09 06:29:58,184 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} [2025-03-09 06:29:58,185 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 109 predicate places. [2025-03-09 06:29:58,185 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 170 transitions, 1987 flow [2025-03-09 06:29:58,185 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) [2025-03-09 06:29:58,185 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:58,186 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:58,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 06:29:58,187 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:58,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2017876123, now seen corresponding path program 4 times [2025-03-09 06:29:58,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:58,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039325000] [2025-03-09 06:29:58,187 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:29:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:58,204 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 13 statements into 2 equivalence classes. [2025-03-09 06:29:58,215 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:29:58,215 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:29:58,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:58,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:58,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039325000] [2025-03-09 06:29:58,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039325000] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:58,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:58,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:58,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168074003] [2025-03-09 06:29:58,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:58,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:58,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:58,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:58,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:58,528 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-09 06:29:58,529 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) [2025-03-09 06:29:58,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:58,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-09 06:29:58,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:59,165 INFO L124 PetriNetUnfolderBase]: 965/1802 cut-off events. [2025-03-09 06:29:59,166 INFO L125 PetriNetUnfolderBase]: For 13940/14104 co-relation queries the response was YES. [2025-03-09 06:29:59,173 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. [2025-03-09 06:29:59,182 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 100 selfloop transitions, 107 changer transitions 17/229 dead transitions. [2025-03-09 06:29:59,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 229 transitions, 2785 flow [2025-03-09 06:29:59,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:29:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:29:59,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 281 transitions. [2025-03-09 06:29:59,183 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.389196675900277 [2025-03-09 06:29:59,183 INFO L175 Difference]: Start difference. First operand has 148 places, 170 transitions, 1987 flow. Second operand 19 states and 281 transitions. [2025-03-09 06:29:59,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 229 transitions, 2785 flow [2025-03-09 06:29:59,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 229 transitions, 2390 flow, removed 29 selfloop flow, removed 23 redundant places. [2025-03-09 06:29:59,215 INFO L231 Difference]: Finished difference. Result has 148 places, 173 transitions, 1920 flow [2025-03-09 06:29:59,216 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} [2025-03-09 06:29:59,216 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 109 predicate places. [2025-03-09 06:29:59,216 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 173 transitions, 1920 flow [2025-03-09 06:29:59,216 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) [2025-03-09 06:29:59,217 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:59,217 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:59,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 06:29:59,218 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:59,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:59,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1757491729, now seen corresponding path program 1 times [2025-03-09 06:29:59,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:59,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133456431] [2025-03-09 06:29:59,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:59,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:29:59,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:29:59,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:59,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:59,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:59,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133456431] [2025-03-09 06:29:59,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133456431] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:59,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:59,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:29:59,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080505763] [2025-03-09 06:29:59,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:59,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:29:59,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:59,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:29:59,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:29:59,272 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2025-03-09 06:29:59,273 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) [2025-03-09 06:29:59,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:59,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2025-03-09 06:29:59,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:59,441 INFO L124 PetriNetUnfolderBase]: 507/939 cut-off events. [2025-03-09 06:29:59,442 INFO L125 PetriNetUnfolderBase]: For 5672/5860 co-relation queries the response was YES. [2025-03-09 06:29:59,444 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. [2025-03-09 06:29:59,447 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 150 selfloop transitions, 34 changer transitions 6/196 dead transitions. [2025-03-09 06:29:59,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 196 transitions, 2451 flow [2025-03-09 06:29:59,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:29:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 06:29:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2025-03-09 06:29:59,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2025-03-09 06:29:59,450 INFO L175 Difference]: Start difference. First operand has 148 places, 173 transitions, 1920 flow. Second operand 4 states and 84 transitions. [2025-03-09 06:29:59,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 196 transitions, 2451 flow [2025-03-09 06:29:59,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 196 transitions, 2204 flow, removed 41 selfloop flow, removed 16 redundant places. [2025-03-09 06:29:59,465 INFO L231 Difference]: Finished difference. Result has 126 places, 141 transitions, 1423 flow [2025-03-09 06:29:59,466 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} [2025-03-09 06:29:59,466 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 87 predicate places. [2025-03-09 06:29:59,467 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 141 transitions, 1423 flow [2025-03-09 06:29:59,467 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) [2025-03-09 06:29:59,467 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:59,467 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:59,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 06:29:59,467 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:59,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:59,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1648053343, now seen corresponding path program 1 times [2025-03-09 06:29:59,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:59,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872961701] [2025-03-09 06:29:59,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:59,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:59,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:29:59,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:29:59,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:59,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:59,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:59,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872961701] [2025-03-09 06:29:59,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872961701] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:59,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:59,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:29:59,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738406926] [2025-03-09 06:29:59,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:59,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:29:59,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:59,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:29:59,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:29:59,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:29:59,915 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) [2025-03-09 06:29:59,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:59,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:29:59,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:00,376 INFO L124 PetriNetUnfolderBase]: 679/1302 cut-off events. [2025-03-09 06:30:00,377 INFO L125 PetriNetUnfolderBase]: For 5674/5674 co-relation queries the response was YES. [2025-03-09 06:30:00,381 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. [2025-03-09 06:30:00,384 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 149 selfloop transitions, 60 changer transitions 0/211 dead transitions. [2025-03-09 06:30:00,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 211 transitions, 2234 flow [2025-03-09 06:30:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 202 transitions. [2025-03-09 06:30:00,387 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3543859649122807 [2025-03-09 06:30:00,387 INFO L175 Difference]: Start difference. First operand has 126 places, 141 transitions, 1423 flow. Second operand 15 states and 202 transitions. [2025-03-09 06:30:00,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 211 transitions, 2234 flow [2025-03-09 06:30:00,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 211 transitions, 2128 flow, removed 12 selfloop flow, removed 6 redundant places. [2025-03-09 06:30:00,401 INFO L231 Difference]: Finished difference. Result has 137 places, 147 transitions, 1553 flow [2025-03-09 06:30:00,401 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} [2025-03-09 06:30:00,402 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 98 predicate places. [2025-03-09 06:30:00,402 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 147 transitions, 1553 flow [2025-03-09 06:30:00,402 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) [2025-03-09 06:30:00,402 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:00,402 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:00,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 06:30:00,402 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:00,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:00,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1313093358, now seen corresponding path program 1 times [2025-03-09 06:30:00,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:00,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507068172] [2025-03-09 06:30:00,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:00,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:00,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:00,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:00,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:00,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:00,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:00,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:00,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507068172] [2025-03-09 06:30:00,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507068172] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:00,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:00,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:00,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888209053] [2025-03-09 06:30:00,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:00,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:00,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:00,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:00,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:00,844 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:00,845 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) [2025-03-09 06:30:00,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:00,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:00,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:01,285 INFO L124 PetriNetUnfolderBase]: 656/1271 cut-off events. [2025-03-09 06:30:01,285 INFO L125 PetriNetUnfolderBase]: For 4995/4995 co-relation queries the response was YES. [2025-03-09 06:30:01,289 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. [2025-03-09 06:30:01,293 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 131 selfloop transitions, 60 changer transitions 0/193 dead transitions. [2025-03-09 06:30:01,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 193 transitions, 2171 flow [2025-03-09 06:30:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 06:30:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-09 06:30:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 179 transitions. [2025-03-09 06:30:01,295 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2025-03-09 06:30:01,295 INFO L175 Difference]: Start difference. First operand has 137 places, 147 transitions, 1553 flow. Second operand 14 states and 179 transitions. [2025-03-09 06:30:01,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 193 transitions, 2171 flow [2025-03-09 06:30:01,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 193 transitions, 2086 flow, removed 0 selfloop flow, removed 8 redundant places. [2025-03-09 06:30:01,309 INFO L231 Difference]: Finished difference. Result has 145 places, 149 transitions, 1638 flow [2025-03-09 06:30:01,309 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} [2025-03-09 06:30:01,310 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 106 predicate places. [2025-03-09 06:30:01,310 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 149 transitions, 1638 flow [2025-03-09 06:30:01,310 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) [2025-03-09 06:30:01,310 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:01,310 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:01,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 06:30:01,310 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:01,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:01,311 INFO L85 PathProgramCache]: Analyzing trace with hash 172534939, now seen corresponding path program 2 times [2025-03-09 06:30:01,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:01,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324762755] [2025-03-09 06:30:01,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:01,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:01,322 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:01,326 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:01,327 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:01,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:01,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:01,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324762755] [2025-03-09 06:30:01,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324762755] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:01,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:01,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:01,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233423003] [2025-03-09 06:30:01,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:01,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:01,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:01,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:01,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:01,658 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:01,659 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) [2025-03-09 06:30:01,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:01,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:01,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:02,061 INFO L124 PetriNetUnfolderBase]: 731/1429 cut-off events. [2025-03-09 06:30:02,061 INFO L125 PetriNetUnfolderBase]: For 6139/6139 co-relation queries the response was YES. [2025-03-09 06:30:02,065 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. [2025-03-09 06:30:02,069 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 146 selfloop transitions, 63 changer transitions 0/211 dead transitions. [2025-03-09 06:30:02,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 211 transitions, 2428 flow [2025-03-09 06:30:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 06:30:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-09 06:30:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 185 transitions. [2025-03-09 06:30:02,070 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34774436090225563 [2025-03-09 06:30:02,070 INFO L175 Difference]: Start difference. First operand has 145 places, 149 transitions, 1638 flow. Second operand 14 states and 185 transitions. [2025-03-09 06:30:02,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 211 transitions, 2428 flow [2025-03-09 06:30:02,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 211 transitions, 2323 flow, removed 2 selfloop flow, removed 9 redundant places. [2025-03-09 06:30:02,086 INFO L231 Difference]: Finished difference. Result has 154 places, 159 transitions, 1839 flow [2025-03-09 06:30:02,087 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} [2025-03-09 06:30:02,087 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 115 predicate places. [2025-03-09 06:30:02,087 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 159 transitions, 1839 flow [2025-03-09 06:30:02,088 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) [2025-03-09 06:30:02,088 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:02,088 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:02,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 06:30:02,088 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:02,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash 186344509, now seen corresponding path program 3 times [2025-03-09 06:30:02,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:02,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233146779] [2025-03-09 06:30:02,089 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:02,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:02,098 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:02,102 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:02,102 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:02,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:02,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:02,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233146779] [2025-03-09 06:30:02,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233146779] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:02,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:02,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:02,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476869207] [2025-03-09 06:30:02,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:02,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:02,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:02,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:02,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:02,420 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:02,420 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) [2025-03-09 06:30:02,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:02,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:02,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:02,794 INFO L124 PetriNetUnfolderBase]: 822/1610 cut-off events. [2025-03-09 06:30:02,794 INFO L125 PetriNetUnfolderBase]: For 7635/7635 co-relation queries the response was YES. [2025-03-09 06:30:02,798 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. [2025-03-09 06:30:02,802 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 172 selfloop transitions, 63 changer transitions 0/237 dead transitions. [2025-03-09 06:30:02,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 237 transitions, 2746 flow [2025-03-09 06:30:02,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 06:30:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-09 06:30:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 196 transitions. [2025-03-09 06:30:02,804 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3684210526315789 [2025-03-09 06:30:02,804 INFO L175 Difference]: Start difference. First operand has 154 places, 159 transitions, 1839 flow. Second operand 14 states and 196 transitions. [2025-03-09 06:30:02,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 237 transitions, 2746 flow [2025-03-09 06:30:02,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 237 transitions, 2708 flow, removed 4 selfloop flow, removed 3 redundant places. [2025-03-09 06:30:02,823 INFO L231 Difference]: Finished difference. Result has 168 places, 164 transitions, 2033 flow [2025-03-09 06:30:02,824 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} [2025-03-09 06:30:02,824 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 129 predicate places. [2025-03-09 06:30:02,824 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 164 transitions, 2033 flow [2025-03-09 06:30:02,824 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) [2025-03-09 06:30:02,824 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:02,824 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:02,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 06:30:02,825 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:02,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:02,825 INFO L85 PathProgramCache]: Analyzing trace with hash -2137906745, now seen corresponding path program 4 times [2025-03-09 06:30:02,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:02,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287446899] [2025-03-09 06:30:02,825 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:02,835 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-03-09 06:30:02,839 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:02,839 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:02,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:03,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:03,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287446899] [2025-03-09 06:30:03,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287446899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:03,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:03,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:03,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529162119] [2025-03-09 06:30:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:03,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:03,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:03,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:03,197 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:03,197 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) [2025-03-09 06:30:03,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:03,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:03,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:03,744 INFO L124 PetriNetUnfolderBase]: 898/1765 cut-off events. [2025-03-09 06:30:03,744 INFO L125 PetriNetUnfolderBase]: For 10008/10008 co-relation queries the response was YES. [2025-03-09 06:30:03,749 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. [2025-03-09 06:30:03,753 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 149 selfloop transitions, 76 changer transitions 0/227 dead transitions. [2025-03-09 06:30:03,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 227 transitions, 2830 flow [2025-03-09 06:30:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 06:30:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-09 06:30:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 204 transitions. [2025-03-09 06:30:03,754 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3355263157894737 [2025-03-09 06:30:03,754 INFO L175 Difference]: Start difference. First operand has 168 places, 164 transitions, 2033 flow. Second operand 16 states and 204 transitions. [2025-03-09 06:30:03,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 227 transitions, 2830 flow [2025-03-09 06:30:03,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 227 transitions, 2723 flow, removed 12 selfloop flow, removed 7 redundant places. [2025-03-09 06:30:03,778 INFO L231 Difference]: Finished difference. Result has 179 places, 169 transitions, 2190 flow [2025-03-09 06:30:03,778 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} [2025-03-09 06:30:03,778 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 140 predicate places. [2025-03-09 06:30:03,778 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 169 transitions, 2190 flow [2025-03-09 06:30:03,779 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) [2025-03-09 06:30:03,779 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:03,779 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:03,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 06:30:03,779 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:03,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:03,779 INFO L85 PathProgramCache]: Analyzing trace with hash -2146494914, now seen corresponding path program 2 times [2025-03-09 06:30:03,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:03,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112682608] [2025-03-09 06:30:03,780 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:03,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:03,790 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:03,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:03,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:03,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:04,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:04,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112682608] [2025-03-09 06:30:04,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112682608] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:04,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:04,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:04,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084173812] [2025-03-09 06:30:04,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:04,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:04,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:04,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:04,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:04,079 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:04,080 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) [2025-03-09 06:30:04,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:04,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:04,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:04,566 INFO L124 PetriNetUnfolderBase]: 978/1932 cut-off events. [2025-03-09 06:30:04,566 INFO L125 PetriNetUnfolderBase]: For 11523/11527 co-relation queries the response was YES. [2025-03-09 06:30:04,573 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. [2025-03-09 06:30:04,577 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 147 selfloop transitions, 71 changer transitions 0/220 dead transitions. [2025-03-09 06:30:04,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 220 transitions, 2920 flow [2025-03-09 06:30:04,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2025-03-09 06:30:04,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3298245614035088 [2025-03-09 06:30:04,579 INFO L175 Difference]: Start difference. First operand has 179 places, 169 transitions, 2190 flow. Second operand 15 states and 188 transitions. [2025-03-09 06:30:04,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 220 transitions, 2920 flow [2025-03-09 06:30:04,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 220 transitions, 2803 flow, removed 3 selfloop flow, removed 11 redundant places. [2025-03-09 06:30:04,606 INFO L231 Difference]: Finished difference. Result has 185 places, 175 transitions, 2314 flow [2025-03-09 06:30:04,607 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} [2025-03-09 06:30:04,607 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 146 predicate places. [2025-03-09 06:30:04,607 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 175 transitions, 2314 flow [2025-03-09 06:30:04,607 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) [2025-03-09 06:30:04,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:04,607 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:04,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 06:30:04,607 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:04,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:04,608 INFO L85 PathProgramCache]: Analyzing trace with hash 209672928, now seen corresponding path program 3 times [2025-03-09 06:30:04,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:04,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343157218] [2025-03-09 06:30:04,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:04,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:04,618 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:04,623 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:04,623 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:04,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:04,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:04,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343157218] [2025-03-09 06:30:04,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343157218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:04,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:04,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:04,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395383589] [2025-03-09 06:30:04,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:04,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:04,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:04,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:04,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:04,916 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:04,916 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) [2025-03-09 06:30:04,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:04,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:04,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:05,449 INFO L124 PetriNetUnfolderBase]: 1048/2082 cut-off events. [2025-03-09 06:30:05,449 INFO L125 PetriNetUnfolderBase]: For 12905/12909 co-relation queries the response was YES. [2025-03-09 06:30:05,457 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. [2025-03-09 06:30:05,462 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 142 selfloop transitions, 76 changer transitions 0/220 dead transitions. [2025-03-09 06:30:05,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 220 transitions, 2992 flow [2025-03-09 06:30:05,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 180 transitions. [2025-03-09 06:30:05,464 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2025-03-09 06:30:05,464 INFO L175 Difference]: Start difference. First operand has 185 places, 175 transitions, 2314 flow. Second operand 15 states and 180 transitions. [2025-03-09 06:30:05,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 220 transitions, 2992 flow [2025-03-09 06:30:05,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 220 transitions, 2900 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-03-09 06:30:05,500 INFO L231 Difference]: Finished difference. Result has 196 places, 177 transitions, 2434 flow [2025-03-09 06:30:05,501 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} [2025-03-09 06:30:05,501 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 157 predicate places. [2025-03-09 06:30:05,501 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 177 transitions, 2434 flow [2025-03-09 06:30:05,501 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) [2025-03-09 06:30:05,501 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:05,501 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:05,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 06:30:05,502 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:05,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:05,503 INFO L85 PathProgramCache]: Analyzing trace with hash 34386528, now seen corresponding path program 4 times [2025-03-09 06:30:05,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:05,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613456091] [2025-03-09 06:30:05,503 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:05,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:05,513 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-03-09 06:30:05,517 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:05,518 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:05,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:05,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:05,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613456091] [2025-03-09 06:30:05,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613456091] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:05,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:05,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:05,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569866685] [2025-03-09 06:30:05,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:05,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:05,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:05,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:05,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:05,841 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:05,841 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) [2025-03-09 06:30:05,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:05,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:05,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:06,375 INFO L124 PetriNetUnfolderBase]: 1118/2216 cut-off events. [2025-03-09 06:30:06,376 INFO L125 PetriNetUnfolderBase]: For 15326/15330 co-relation queries the response was YES. [2025-03-09 06:30:06,382 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. [2025-03-09 06:30:06,385 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 143 selfloop transitions, 77 changer transitions 0/222 dead transitions. [2025-03-09 06:30:06,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 222 transitions, 3139 flow [2025-03-09 06:30:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 06:30:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-09 06:30:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2025-03-09 06:30:06,386 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31954887218045114 [2025-03-09 06:30:06,386 INFO L175 Difference]: Start difference. First operand has 196 places, 177 transitions, 2434 flow. Second operand 14 states and 170 transitions. [2025-03-09 06:30:06,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 222 transitions, 3139 flow [2025-03-09 06:30:06,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 222 transitions, 2992 flow, removed 8 selfloop flow, removed 11 redundant places. [2025-03-09 06:30:06,423 INFO L231 Difference]: Finished difference. Result has 201 places, 179 transitions, 2496 flow [2025-03-09 06:30:06,423 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} [2025-03-09 06:30:06,423 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 162 predicate places. [2025-03-09 06:30:06,423 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 179 transitions, 2496 flow [2025-03-09 06:30:06,423 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) [2025-03-09 06:30:06,423 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:06,423 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:06,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 06:30:06,424 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:06,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:06,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1920002503, now seen corresponding path program 5 times [2025-03-09 06:30:06,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:06,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927759211] [2025-03-09 06:30:06,424 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:06,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:06,437 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:06,442 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:06,442 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:06,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:06,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:06,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927759211] [2025-03-09 06:30:06,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927759211] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:06,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:06,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:06,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296347492] [2025-03-09 06:30:06,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:06,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:06,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:06,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:06,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:06,829 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:06,830 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) [2025-03-09 06:30:06,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:06,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:06,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:07,495 INFO L124 PetriNetUnfolderBase]: 1180/2342 cut-off events. [2025-03-09 06:30:07,495 INFO L125 PetriNetUnfolderBase]: For 16666/16670 co-relation queries the response was YES. [2025-03-09 06:30:07,505 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. [2025-03-09 06:30:07,511 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 165 selfloop transitions, 83 changer transitions 0/250 dead transitions. [2025-03-09 06:30:07,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 250 transitions, 3348 flow [2025-03-09 06:30:07,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:30:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:30:07,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 248 transitions. [2025-03-09 06:30:07,512 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34349030470914127 [2025-03-09 06:30:07,512 INFO L175 Difference]: Start difference. First operand has 201 places, 179 transitions, 2496 flow. Second operand 19 states and 248 transitions. [2025-03-09 06:30:07,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 250 transitions, 3348 flow [2025-03-09 06:30:07,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 250 transitions, 3189 flow, removed 7 selfloop flow, removed 10 redundant places. [2025-03-09 06:30:07,554 INFO L231 Difference]: Finished difference. Result has 212 places, 181 transitions, 2591 flow [2025-03-09 06:30:07,554 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} [2025-03-09 06:30:07,555 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 173 predicate places. [2025-03-09 06:30:07,555 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 181 transitions, 2591 flow [2025-03-09 06:30:07,555 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) [2025-03-09 06:30:07,555 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:07,555 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:07,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-09 06:30:07,555 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:07,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1911414334, now seen corresponding path program 5 times [2025-03-09 06:30:07,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:07,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205930795] [2025-03-09 06:30:07,555 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:07,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:07,568 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:07,573 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:07,573 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:07,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:07,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:07,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205930795] [2025-03-09 06:30:07,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205930795] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:07,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:07,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:07,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992516226] [2025-03-09 06:30:07,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:07,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:07,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:07,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:07,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:07,901 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:07,902 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) [2025-03-09 06:30:07,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:07,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:07,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:08,441 INFO L124 PetriNetUnfolderBase]: 1157/2317 cut-off events. [2025-03-09 06:30:08,442 INFO L125 PetriNetUnfolderBase]: For 18125/18129 co-relation queries the response was YES. [2025-03-09 06:30:08,449 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. [2025-03-09 06:30:08,455 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 159 selfloop transitions, 66 changer transitions 0/227 dead transitions. [2025-03-09 06:30:08,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 227 transitions, 3267 flow [2025-03-09 06:30:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:08,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:08,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2025-03-09 06:30:08,456 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2025-03-09 06:30:08,456 INFO L175 Difference]: Start difference. First operand has 212 places, 181 transitions, 2591 flow. Second operand 15 states and 190 transitions. [2025-03-09 06:30:08,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 227 transitions, 3267 flow [2025-03-09 06:30:08,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 227 transitions, 3127 flow, removed 8 selfloop flow, removed 17 redundant places. [2025-03-09 06:30:08,499 INFO L231 Difference]: Finished difference. Result has 208 places, 180 transitions, 2567 flow [2025-03-09 06:30:08,499 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} [2025-03-09 06:30:08,500 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 169 predicate places. [2025-03-09 06:30:08,500 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 180 transitions, 2567 flow [2025-03-09 06:30:08,500 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) [2025-03-09 06:30:08,500 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:08,500 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:08,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-09 06:30:08,500 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:08,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:08,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1230392225, now seen corresponding path program 6 times [2025-03-09 06:30:08,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:08,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967585648] [2025-03-09 06:30:08,501 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 06:30:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:08,510 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:08,513 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:08,513 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-09 06:30:08,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:08,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:08,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967585648] [2025-03-09 06:30:08,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967585648] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:08,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:08,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:08,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591237718] [2025-03-09 06:30:08,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:08,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:08,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:08,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:08,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:08,792 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:08,793 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) [2025-03-09 06:30:08,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:08,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:08,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:09,269 INFO L124 PetriNetUnfolderBase]: 1219/2458 cut-off events. [2025-03-09 06:30:09,270 INFO L125 PetriNetUnfolderBase]: For 18600/18604 co-relation queries the response was YES. [2025-03-09 06:30:09,278 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. [2025-03-09 06:30:09,284 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 159 selfloop transitions, 72 changer transitions 0/233 dead transitions. [2025-03-09 06:30:09,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 233 transitions, 3330 flow [2025-03-09 06:30:09,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2025-03-09 06:30:09,285 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2025-03-09 06:30:09,285 INFO L175 Difference]: Start difference. First operand has 208 places, 180 transitions, 2567 flow. Second operand 15 states and 190 transitions. [2025-03-09 06:30:09,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 233 transitions, 3330 flow [2025-03-09 06:30:09,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 233 transitions, 3207 flow, removed 9 selfloop flow, removed 14 redundant places. [2025-03-09 06:30:09,326 INFO L231 Difference]: Finished difference. Result has 211 places, 183 transitions, 2686 flow [2025-03-09 06:30:09,327 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} [2025-03-09 06:30:09,327 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 172 predicate places. [2025-03-09 06:30:09,327 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 183 transitions, 2686 flow [2025-03-09 06:30:09,327 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) [2025-03-09 06:30:09,327 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:09,327 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:09,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-09 06:30:09,327 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:09,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash -884115095, now seen corresponding path program 7 times [2025-03-09 06:30:09,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:09,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935267237] [2025-03-09 06:30:09,328 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-09 06:30:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:09,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:30:09,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:30:09,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:09,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:09,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:09,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935267237] [2025-03-09 06:30:09,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935267237] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:09,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:09,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:09,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554795861] [2025-03-09 06:30:09,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:09,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:09,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:09,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:09,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:09,648 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:09,649 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) [2025-03-09 06:30:09,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:09,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:09,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:10,243 INFO L124 PetriNetUnfolderBase]: 1262/2539 cut-off events. [2025-03-09 06:30:10,243 INFO L125 PetriNetUnfolderBase]: For 20394/20398 co-relation queries the response was YES. [2025-03-09 06:30:10,253 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. [2025-03-09 06:30:10,260 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 162 selfloop transitions, 98 changer transitions 0/262 dead transitions. [2025-03-09 06:30:10,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 262 transitions, 3629 flow [2025-03-09 06:30:10,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:30:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:30:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 246 transitions. [2025-03-09 06:30:10,261 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3407202216066482 [2025-03-09 06:30:10,261 INFO L175 Difference]: Start difference. First operand has 211 places, 183 transitions, 2686 flow. Second operand 19 states and 246 transitions. [2025-03-09 06:30:10,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 262 transitions, 3629 flow [2025-03-09 06:30:10,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 262 transitions, 3560 flow, removed 9 selfloop flow, removed 5 redundant places. [2025-03-09 06:30:10,313 INFO L231 Difference]: Finished difference. Result has 228 places, 186 transitions, 2954 flow [2025-03-09 06:30:10,313 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} [2025-03-09 06:30:10,313 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 189 predicate places. [2025-03-09 06:30:10,313 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 186 transitions, 2954 flow [2025-03-09 06:30:10,313 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) [2025-03-09 06:30:10,313 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:10,313 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:10,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-09 06:30:10,314 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:10,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:10,314 INFO L85 PathProgramCache]: Analyzing trace with hash 368762403, now seen corresponding path program 1 times [2025-03-09 06:30:10,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:10,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211647592] [2025-03-09 06:30:10,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:10,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:10,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:10,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:10,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:10,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:10,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:10,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:10,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211647592] [2025-03-09 06:30:10,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211647592] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:10,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:10,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:10,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308587399] [2025-03-09 06:30:10,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:10,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:10,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:10,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:10,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:10,710 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:10,711 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) [2025-03-09 06:30:10,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:10,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:10,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:11,302 INFO L124 PetriNetUnfolderBase]: 1303/2638 cut-off events. [2025-03-09 06:30:11,302 INFO L125 PetriNetUnfolderBase]: For 25118/25122 co-relation queries the response was YES. [2025-03-09 06:30:11,310 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. [2025-03-09 06:30:11,315 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 160 selfloop transitions, 65 changer transitions 0/227 dead transitions. [2025-03-09 06:30:11,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 227 transitions, 3612 flow [2025-03-09 06:30:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 06:30:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-09 06:30:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 164 transitions. [2025-03-09 06:30:11,316 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3319838056680162 [2025-03-09 06:30:11,316 INFO L175 Difference]: Start difference. First operand has 228 places, 186 transitions, 2954 flow. Second operand 13 states and 164 transitions. [2025-03-09 06:30:11,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 227 transitions, 3612 flow [2025-03-09 06:30:11,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 227 transitions, 3420 flow, removed 8 selfloop flow, removed 14 redundant places. [2025-03-09 06:30:11,376 INFO L231 Difference]: Finished difference. Result has 229 places, 188 transitions, 2992 flow [2025-03-09 06:30:11,376 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} [2025-03-09 06:30:11,377 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 190 predicate places. [2025-03-09 06:30:11,377 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 188 transitions, 2992 flow [2025-03-09 06:30:11,377 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) [2025-03-09 06:30:11,377 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:11,377 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:11,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-09 06:30:11,377 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:11,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:11,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1784954803, now seen corresponding path program 1 times [2025-03-09 06:30:11,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:11,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22141837] [2025-03-09 06:30:11,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:11,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:11,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:11,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:11,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:11,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:11,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:11,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22141837] [2025-03-09 06:30:11,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22141837] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:11,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:11,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:11,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609526172] [2025-03-09 06:30:11,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:11,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:11,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:11,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:11,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:11,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:11,657 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) [2025-03-09 06:30:11,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:11,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:11,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:12,241 INFO L124 PetriNetUnfolderBase]: 1284/2605 cut-off events. [2025-03-09 06:30:12,241 INFO L125 PetriNetUnfolderBase]: For 24694/24698 co-relation queries the response was YES. [2025-03-09 06:30:12,254 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. [2025-03-09 06:30:12,261 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 140 selfloop transitions, 62 changer transitions 36/240 dead transitions. [2025-03-09 06:30:12,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 240 transitions, 3686 flow [2025-03-09 06:30:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 06:30:12,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-09 06:30:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 201 transitions. [2025-03-09 06:30:12,263 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3305921052631579 [2025-03-09 06:30:12,263 INFO L175 Difference]: Start difference. First operand has 229 places, 188 transitions, 2992 flow. Second operand 16 states and 201 transitions. [2025-03-09 06:30:12,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 240 transitions, 3686 flow [2025-03-09 06:30:12,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 240 transitions, 3496 flow, removed 11 selfloop flow, removed 11 redundant places. [2025-03-09 06:30:12,340 INFO L231 Difference]: Finished difference. Result has 233 places, 177 transitions, 2720 flow [2025-03-09 06:30:12,340 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} [2025-03-09 06:30:12,341 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 194 predicate places. [2025-03-09 06:30:12,341 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 177 transitions, 2720 flow [2025-03-09 06:30:12,341 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) [2025-03-09 06:30:12,341 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:12,341 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:12,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 06:30:12,341 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:12,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:12,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1779760995, now seen corresponding path program 2 times [2025-03-09 06:30:12,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:12,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351970946] [2025-03-09 06:30:12,342 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:12,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:12,353 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:12,358 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:12,358 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:12,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:12,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:12,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351970946] [2025-03-09 06:30:12,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351970946] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:12,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:12,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:12,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760238852] [2025-03-09 06:30:12,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:12,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:12,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:12,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:12,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:12,637 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:12,638 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) [2025-03-09 06:30:12,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:12,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:12,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:13,101 INFO L124 PetriNetUnfolderBase]: 1270/2577 cut-off events. [2025-03-09 06:30:13,101 INFO L125 PetriNetUnfolderBase]: For 22270/22274 co-relation queries the response was YES. [2025-03-09 06:30:13,111 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. [2025-03-09 06:30:13,116 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 175 selfloop transitions, 61 changer transitions 0/238 dead transitions. [2025-03-09 06:30:13,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 238 transitions, 3534 flow [2025-03-09 06:30:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 06:30:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-09 06:30:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 176 transitions. [2025-03-09 06:30:13,117 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3562753036437247 [2025-03-09 06:30:13,118 INFO L175 Difference]: Start difference. First operand has 233 places, 177 transitions, 2720 flow. Second operand 13 states and 176 transitions. [2025-03-09 06:30:13,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 238 transitions, 3534 flow [2025-03-09 06:30:13,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 238 transitions, 3402 flow, removed 7 selfloop flow, removed 14 redundant places. [2025-03-09 06:30:13,171 INFO L231 Difference]: Finished difference. Result has 228 places, 182 transitions, 2864 flow [2025-03-09 06:30:13,171 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} [2025-03-09 06:30:13,171 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 189 predicate places. [2025-03-09 06:30:13,171 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 182 transitions, 2864 flow [2025-03-09 06:30:13,171 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) [2025-03-09 06:30:13,171 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:13,171 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:13,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-09 06:30:13,172 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:13,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:13,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2051188033, now seen corresponding path program 1 times [2025-03-09 06:30:13,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:13,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068960962] [2025-03-09 06:30:13,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:13,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:13,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:13,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:13,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:13,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:13,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068960962] [2025-03-09 06:30:13,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068960962] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:13,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:13,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:13,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336665228] [2025-03-09 06:30:13,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:13,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:13,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:13,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:13,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:13,350 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2025-03-09 06:30:13,350 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) [2025-03-09 06:30:13,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:13,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2025-03-09 06:30:13,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:13,753 INFO L124 PetriNetUnfolderBase]: 993/2102 cut-off events. [2025-03-09 06:30:13,753 INFO L125 PetriNetUnfolderBase]: For 17552/17558 co-relation queries the response was YES. [2025-03-09 06:30:13,759 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. [2025-03-09 06:30:13,764 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 173 selfloop transitions, 64 changer transitions 3/257 dead transitions. [2025-03-09 06:30:13,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 257 transitions, 4001 flow [2025-03-09 06:30:13,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:30:13,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:30:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 212 transitions. [2025-03-09 06:30:13,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.507177033492823 [2025-03-09 06:30:13,767 INFO L175 Difference]: Start difference. First operand has 228 places, 182 transitions, 2864 flow. Second operand 11 states and 212 transitions. [2025-03-09 06:30:13,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 257 transitions, 4001 flow [2025-03-09 06:30:13,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 257 transitions, 3864 flow, removed 35 selfloop flow, removed 6 redundant places. [2025-03-09 06:30:13,812 INFO L231 Difference]: Finished difference. Result has 238 places, 195 transitions, 3082 flow [2025-03-09 06:30:13,813 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} [2025-03-09 06:30:13,813 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 199 predicate places. [2025-03-09 06:30:13,813 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 195 transitions, 3082 flow [2025-03-09 06:30:13,814 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) [2025-03-09 06:30:13,814 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:13,814 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:13,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-09 06:30:13,814 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:13,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:13,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1599379305, now seen corresponding path program 3 times [2025-03-09 06:30:13,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:13,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113484317] [2025-03-09 06:30:13,815 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:13,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:13,825 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:13,828 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:13,829 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:13,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:14,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113484317] [2025-03-09 06:30:14,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113484317] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:14,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:14,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:14,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662827492] [2025-03-09 06:30:14,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:14,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:14,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:14,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:14,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:14,154 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:14,155 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) [2025-03-09 06:30:14,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:14,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:14,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:14,866 INFO L124 PetriNetUnfolderBase]: 1213/2476 cut-off events. [2025-03-09 06:30:14,866 INFO L125 PetriNetUnfolderBase]: For 24499/24499 co-relation queries the response was YES. [2025-03-09 06:30:14,877 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. [2025-03-09 06:30:14,883 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 146 selfloop transitions, 156 changer transitions 0/304 dead transitions. [2025-03-09 06:30:14,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 304 transitions, 4680 flow [2025-03-09 06:30:14,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:30:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:30:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 272 transitions. [2025-03-09 06:30:14,885 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3112128146453089 [2025-03-09 06:30:14,885 INFO L175 Difference]: Start difference. First operand has 238 places, 195 transitions, 3082 flow. Second operand 23 states and 272 transitions. [2025-03-09 06:30:14,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 304 transitions, 4680 flow [2025-03-09 06:30:14,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 304 transitions, 4435 flow, removed 40 selfloop flow, removed 13 redundant places. [2025-03-09 06:30:14,950 INFO L231 Difference]: Finished difference. Result has 246 places, 227 transitions, 3731 flow [2025-03-09 06:30:14,950 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} [2025-03-09 06:30:14,951 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 207 predicate places. [2025-03-09 06:30:14,951 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 227 transitions, 3731 flow [2025-03-09 06:30:14,951 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) [2025-03-09 06:30:14,951 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:14,951 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:14,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-09 06:30:14,951 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:14,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:14,951 INFO L85 PathProgramCache]: Analyzing trace with hash -908278421, now seen corresponding path program 2 times [2025-03-09 06:30:14,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:14,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189156147] [2025-03-09 06:30:14,951 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:14,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:14,961 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:14,965 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:14,965 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:14,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:15,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:15,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189156147] [2025-03-09 06:30:15,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189156147] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:15,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:15,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:15,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023445243] [2025-03-09 06:30:15,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:15,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:15,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:15,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:15,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:15,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:15,246 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) [2025-03-09 06:30:15,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:15,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:15,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:15,820 INFO L124 PetriNetUnfolderBase]: 1194/2453 cut-off events. [2025-03-09 06:30:15,821 INFO L125 PetriNetUnfolderBase]: For 26169/26169 co-relation queries the response was YES. [2025-03-09 06:30:15,832 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. [2025-03-09 06:30:15,839 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 168 selfloop transitions, 68 changer transitions 35/273 dead transitions. [2025-03-09 06:30:15,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 273 transitions, 4555 flow [2025-03-09 06:30:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:15,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 214 transitions. [2025-03-09 06:30:15,840 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3128654970760234 [2025-03-09 06:30:15,840 INFO L175 Difference]: Start difference. First operand has 246 places, 227 transitions, 3731 flow. Second operand 18 states and 214 transitions. [2025-03-09 06:30:15,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 273 transitions, 4555 flow [2025-03-09 06:30:15,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 273 transitions, 4136 flow, removed 92 selfloop flow, removed 24 redundant places. [2025-03-09 06:30:15,909 INFO L231 Difference]: Finished difference. Result has 240 places, 213 transitions, 3257 flow [2025-03-09 06:30:15,910 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} [2025-03-09 06:30:15,910 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 201 predicate places. [2025-03-09 06:30:15,910 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 213 transitions, 3257 flow [2025-03-09 06:30:15,910 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) [2025-03-09 06:30:15,910 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:15,910 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:15,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-09 06:30:15,910 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:15,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:15,911 INFO L85 PathProgramCache]: Analyzing trace with hash -609464159, now seen corresponding path program 2 times [2025-03-09 06:30:15,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:15,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360639680] [2025-03-09 06:30:15,911 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:15,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:15,923 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:15,927 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:15,927 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:15,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:16,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:16,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360639680] [2025-03-09 06:30:16,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360639680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:16,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:16,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:16,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928865327] [2025-03-09 06:30:16,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:16,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:16,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:16,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:16,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:16,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:16,242 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) [2025-03-09 06:30:16,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:16,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:16,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:16,774 INFO L124 PetriNetUnfolderBase]: 1090/2234 cut-off events. [2025-03-09 06:30:16,774 INFO L125 PetriNetUnfolderBase]: For 20031/20035 co-relation queries the response was YES. [2025-03-09 06:30:16,779 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. [2025-03-09 06:30:16,783 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 177 selfloop transitions, 58 changer transitions 29/266 dead transitions. [2025-03-09 06:30:16,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 266 transitions, 4005 flow [2025-03-09 06:30:16,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 227 transitions. [2025-03-09 06:30:16,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33187134502923976 [2025-03-09 06:30:16,784 INFO L175 Difference]: Start difference. First operand has 240 places, 213 transitions, 3257 flow. Second operand 18 states and 227 transitions. [2025-03-09 06:30:16,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 266 transitions, 4005 flow [2025-03-09 06:30:16,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 266 transitions, 3684 flow, removed 6 selfloop flow, removed 26 redundant places. [2025-03-09 06:30:16,824 INFO L231 Difference]: Finished difference. Result has 221 places, 202 transitions, 2828 flow [2025-03-09 06:30:16,825 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} [2025-03-09 06:30:16,825 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 182 predicate places. [2025-03-09 06:30:16,825 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 202 transitions, 2828 flow [2025-03-09 06:30:16,825 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) [2025-03-09 06:30:16,825 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:16,825 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:16,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-09 06:30:16,825 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:16,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:16,826 INFO L85 PathProgramCache]: Analyzing trace with hash -875697389, now seen corresponding path program 3 times [2025-03-09 06:30:16,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:16,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490144812] [2025-03-09 06:30:16,826 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:16,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:16,836 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:16,839 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:16,839 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:16,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:16,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:16,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:16,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490144812] [2025-03-09 06:30:16,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490144812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:16,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:16,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:16,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658659810] [2025-03-09 06:30:16,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:16,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:16,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:16,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:16,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:16,993 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2025-03-09 06:30:16,993 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) [2025-03-09 06:30:16,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:16,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2025-03-09 06:30:16,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:17,306 INFO L124 PetriNetUnfolderBase]: 831/1842 cut-off events. [2025-03-09 06:30:17,306 INFO L125 PetriNetUnfolderBase]: For 12860/12872 co-relation queries the response was YES. [2025-03-09 06:30:17,312 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. [2025-03-09 06:30:17,316 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 168 selfloop transitions, 77 changer transitions 3/269 dead transitions. [2025-03-09 06:30:17,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 269 transitions, 3920 flow [2025-03-09 06:30:17,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:30:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:30:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 214 transitions. [2025-03-09 06:30:17,316 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4692982456140351 [2025-03-09 06:30:17,316 INFO L175 Difference]: Start difference. First operand has 221 places, 202 transitions, 2828 flow. Second operand 12 states and 214 transitions. [2025-03-09 06:30:17,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 269 transitions, 3920 flow [2025-03-09 06:30:17,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 269 transitions, 3689 flow, removed 5 selfloop flow, removed 21 redundant places. [2025-03-09 06:30:17,344 INFO L231 Difference]: Finished difference. Result has 213 places, 210 transitions, 2945 flow [2025-03-09 06:30:17,345 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} [2025-03-09 06:30:17,345 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 174 predicate places. [2025-03-09 06:30:17,345 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 210 transitions, 2945 flow [2025-03-09 06:30:17,345 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) [2025-03-09 06:30:17,345 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:17,345 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:17,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-09 06:30:17,345 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:17,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash -591833551, now seen corresponding path program 4 times [2025-03-09 06:30:17,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:17,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174386942] [2025-03-09 06:30:17,346 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:17,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:17,356 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 16 statements into 2 equivalence classes. [2025-03-09 06:30:17,360 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:17,360 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:17,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:17,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:17,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174386942] [2025-03-09 06:30:17,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174386942] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:17,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:17,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:17,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730610869] [2025-03-09 06:30:17,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:17,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:17,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:17,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:17,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:17,601 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:17,601 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) [2025-03-09 06:30:17,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:17,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:17,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:18,131 INFO L124 PetriNetUnfolderBase]: 968/2047 cut-off events. [2025-03-09 06:30:18,132 INFO L125 PetriNetUnfolderBase]: For 16902/16906 co-relation queries the response was YES. [2025-03-09 06:30:18,139 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. [2025-03-09 06:30:18,144 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 162 selfloop transitions, 67 changer transitions 28/259 dead transitions. [2025-03-09 06:30:18,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 259 transitions, 3802 flow [2025-03-09 06:30:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:30:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:30:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 238 transitions. [2025-03-09 06:30:18,145 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2982456140350877 [2025-03-09 06:30:18,145 INFO L175 Difference]: Start difference. First operand has 213 places, 210 transitions, 2945 flow. Second operand 21 states and 238 transitions. [2025-03-09 06:30:18,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 259 transitions, 3802 flow [2025-03-09 06:30:18,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 259 transitions, 3607 flow, removed 34 selfloop flow, removed 7 redundant places. [2025-03-09 06:30:18,181 INFO L231 Difference]: Finished difference. Result has 226 places, 200 transitions, 2775 flow [2025-03-09 06:30:18,182 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} [2025-03-09 06:30:18,182 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 187 predicate places. [2025-03-09 06:30:18,182 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 200 transitions, 2775 flow [2025-03-09 06:30:18,182 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) [2025-03-09 06:30:18,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:18,182 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:18,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-09 06:30:18,183 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:18,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:18,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1850599263, now seen corresponding path program 3 times [2025-03-09 06:30:18,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:18,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505696128] [2025-03-09 06:30:18,183 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:18,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:18,192 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:18,195 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:18,195 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:18,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:18,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:18,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505696128] [2025-03-09 06:30:18,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505696128] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:18,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:18,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:18,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197680193] [2025-03-09 06:30:18,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:18,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:18,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:18,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:18,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:18,464 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:18,464 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) [2025-03-09 06:30:18,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:18,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:18,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:18,888 INFO L124 PetriNetUnfolderBase]: 872/1844 cut-off events. [2025-03-09 06:30:18,888 INFO L125 PetriNetUnfolderBase]: For 14468/14468 co-relation queries the response was YES. [2025-03-09 06:30:18,893 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. [2025-03-09 06:30:18,895 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 162 selfloop transitions, 38 changer transitions 41/243 dead transitions. [2025-03-09 06:30:18,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 243 transitions, 3457 flow [2025-03-09 06:30:18,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 183 transitions. [2025-03-09 06:30:18,896 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32105263157894737 [2025-03-09 06:30:18,896 INFO L175 Difference]: Start difference. First operand has 226 places, 200 transitions, 2775 flow. Second operand 15 states and 183 transitions. [2025-03-09 06:30:18,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 243 transitions, 3457 flow [2025-03-09 06:30:18,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 243 transitions, 3281 flow, removed 0 selfloop flow, removed 19 redundant places. [2025-03-09 06:30:18,922 INFO L231 Difference]: Finished difference. Result has 214 places, 183 transitions, 2385 flow [2025-03-09 06:30:18,922 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} [2025-03-09 06:30:18,922 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 175 predicate places. [2025-03-09 06:30:18,922 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 183 transitions, 2385 flow [2025-03-09 06:30:18,922 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) [2025-03-09 06:30:18,922 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:18,922 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:18,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-09 06:30:18,923 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:18,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:18,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1159386929, now seen corresponding path program 5 times [2025-03-09 06:30:18,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:18,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141072531] [2025-03-09 06:30:18,923 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:18,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:18,935 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:18,939 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:18,939 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:18,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:19,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141072531] [2025-03-09 06:30:19,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141072531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:19,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:19,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:19,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589567110] [2025-03-09 06:30:19,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:19,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:19,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:19,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:19,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:19,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:19,160 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) [2025-03-09 06:30:19,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:19,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:19,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:19,622 INFO L124 PetriNetUnfolderBase]: 752/1608 cut-off events. [2025-03-09 06:30:19,623 INFO L125 PetriNetUnfolderBase]: For 11651/11655 co-relation queries the response was YES. [2025-03-09 06:30:19,627 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. [2025-03-09 06:30:19,630 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 144 selfloop transitions, 42 changer transitions 38/226 dead transitions. [2025-03-09 06:30:19,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 226 transitions, 3061 flow [2025-03-09 06:30:19,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:30:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:30:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 229 transitions. [2025-03-09 06:30:19,631 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2869674185463659 [2025-03-09 06:30:19,631 INFO L175 Difference]: Start difference. First operand has 214 places, 183 transitions, 2385 flow. Second operand 21 states and 229 transitions. [2025-03-09 06:30:19,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 226 transitions, 3061 flow [2025-03-09 06:30:19,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 226 transitions, 2904 flow, removed 8 selfloop flow, removed 15 redundant places. [2025-03-09 06:30:19,652 INFO L231 Difference]: Finished difference. Result has 209 places, 169 transitions, 2109 flow [2025-03-09 06:30:19,653 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} [2025-03-09 06:30:19,653 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 170 predicate places. [2025-03-09 06:30:19,653 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 169 transitions, 2109 flow [2025-03-09 06:30:19,653 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) [2025-03-09 06:30:19,653 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:19,653 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:19,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-09 06:30:19,653 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:19,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:19,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1152674579, now seen corresponding path program 6 times [2025-03-09 06:30:19,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:19,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927041040] [2025-03-09 06:30:19,654 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 06:30:19,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:19,663 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:19,666 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:19,666 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-09 06:30:19,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:19,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:19,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927041040] [2025-03-09 06:30:19,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927041040] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:19,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:19,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:19,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370318510] [2025-03-09 06:30:19,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:19,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:19,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:19,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:19,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:19,910 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:19,910 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) [2025-03-09 06:30:19,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:19,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:19,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:20,277 INFO L124 PetriNetUnfolderBase]: 626/1351 cut-off events. [2025-03-09 06:30:20,278 INFO L125 PetriNetUnfolderBase]: For 8235/8239 co-relation queries the response was YES. [2025-03-09 06:30:20,282 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. [2025-03-09 06:30:20,285 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 133 selfloop transitions, 43 changer transitions 26/204 dead transitions. [2025-03-09 06:30:20,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 204 transitions, 2689 flow [2025-03-09 06:30:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:20,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:20,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 184 transitions. [2025-03-09 06:30:20,286 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2848297213622291 [2025-03-09 06:30:20,286 INFO L175 Difference]: Start difference. First operand has 209 places, 169 transitions, 2109 flow. Second operand 17 states and 184 transitions. [2025-03-09 06:30:20,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 204 transitions, 2689 flow [2025-03-09 06:30:20,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 204 transitions, 2573 flow, removed 0 selfloop flow, removed 21 redundant places. [2025-03-09 06:30:20,304 INFO L231 Difference]: Finished difference. Result has 192 places, 161 transitions, 1996 flow [2025-03-09 06:30:20,304 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} [2025-03-09 06:30:20,304 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 153 predicate places. [2025-03-09 06:30:20,304 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 161 transitions, 1996 flow [2025-03-09 06:30:20,305 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) [2025-03-09 06:30:20,305 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:20,305 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:20,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-09 06:30:20,305 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:20,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1065982769, now seen corresponding path program 7 times [2025-03-09 06:30:20,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:20,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216031261] [2025-03-09 06:30:20,305 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-09 06:30:20,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:20,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:20,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:20,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:20,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:20,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:20,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216031261] [2025-03-09 06:30:20,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216031261] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:20,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:20,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:20,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914114654] [2025-03-09 06:30:20,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:20,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:20,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:20,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:20,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:20,585 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:20,585 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) [2025-03-09 06:30:20,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:20,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:20,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:20,874 INFO L124 PetriNetUnfolderBase]: 534/1163 cut-off events. [2025-03-09 06:30:20,874 INFO L125 PetriNetUnfolderBase]: For 7266/7266 co-relation queries the response was YES. [2025-03-09 06:30:20,878 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. [2025-03-09 06:30:20,880 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 114 selfloop transitions, 35 changer transitions 37/188 dead transitions. [2025-03-09 06:30:20,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 2477 flow [2025-03-09 06:30:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 06:30:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-09 06:30:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 169 transitions. [2025-03-09 06:30:20,881 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2779605263157895 [2025-03-09 06:30:20,881 INFO L175 Difference]: Start difference. First operand has 192 places, 161 transitions, 1996 flow. Second operand 16 states and 169 transitions. [2025-03-09 06:30:20,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 2477 flow [2025-03-09 06:30:20,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 188 transitions, 2313 flow, removed 2 selfloop flow, removed 20 redundant places. [2025-03-09 06:30:20,895 INFO L231 Difference]: Finished difference. Result has 175 places, 142 transitions, 1738 flow [2025-03-09 06:30:20,895 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} [2025-03-09 06:30:20,896 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 136 predicate places. [2025-03-09 06:30:20,896 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 142 transitions, 1738 flow [2025-03-09 06:30:20,896 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) [2025-03-09 06:30:20,896 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:20,896 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:20,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-09 06:30:20,896 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:20,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:20,896 INFO L85 PathProgramCache]: Analyzing trace with hash -697471937, now seen corresponding path program 1 times [2025-03-09 06:30:20,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:20,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459117638] [2025-03-09 06:30:20,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:20,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:20,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:30:20,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:30:20,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:20,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:21,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:21,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459117638] [2025-03-09 06:30:21,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459117638] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:21,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:21,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:21,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143972252] [2025-03-09 06:30:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:21,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:21,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:21,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:21,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:21,225 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:21,226 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) [2025-03-09 06:30:21,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:21,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:21,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:21,565 INFO L124 PetriNetUnfolderBase]: 441/962 cut-off events. [2025-03-09 06:30:21,565 INFO L125 PetriNetUnfolderBase]: For 6229/6229 co-relation queries the response was YES. [2025-03-09 06:30:21,567 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. [2025-03-09 06:30:21,570 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 111 selfloop transitions, 28 changer transitions 25/166 dead transitions. [2025-03-09 06:30:21,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 166 transitions, 2123 flow [2025-03-09 06:30:21,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:30:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:30:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 138 transitions. [2025-03-09 06:30:21,571 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3026315789473684 [2025-03-09 06:30:21,571 INFO L175 Difference]: Start difference. First operand has 175 places, 142 transitions, 1738 flow. Second operand 12 states and 138 transitions. [2025-03-09 06:30:21,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 166 transitions, 2123 flow [2025-03-09 06:30:21,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 166 transitions, 1940 flow, removed 2 selfloop flow, removed 14 redundant places. [2025-03-09 06:30:21,583 INFO L231 Difference]: Finished difference. Result has 152 places, 133 transitions, 1503 flow [2025-03-09 06:30:21,583 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} [2025-03-09 06:30:21,583 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 113 predicate places. [2025-03-09 06:30:21,583 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 133 transitions, 1503 flow [2025-03-09 06:30:21,584 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) [2025-03-09 06:30:21,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:21,584 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:21,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-09 06:30:21,584 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:21,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:21,584 INFO L85 PathProgramCache]: Analyzing trace with hash 661984395, now seen corresponding path program 2 times [2025-03-09 06:30:21,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:21,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866284802] [2025-03-09 06:30:21,584 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:21,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:21,593 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:30:21,596 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:30:21,596 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:21,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:21,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:21,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:21,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866284802] [2025-03-09 06:30:21,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866284802] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:21,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:21,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:21,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013487692] [2025-03-09 06:30:21,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:21,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:21,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:21,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:21,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:21,885 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:21,885 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) [2025-03-09 06:30:21,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:21,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:21,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:22,303 INFO L124 PetriNetUnfolderBase]: 452/1038 cut-off events. [2025-03-09 06:30:22,303 INFO L125 PetriNetUnfolderBase]: For 6547/6547 co-relation queries the response was YES. [2025-03-09 06:30:22,306 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. [2025-03-09 06:30:22,307 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 66 selfloop transitions, 28 changer transitions 96/192 dead transitions. [2025-03-09 06:30:22,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 192 transitions, 2038 flow [2025-03-09 06:30:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:30:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:30:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 240 transitions. [2025-03-09 06:30:22,308 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3007518796992481 [2025-03-09 06:30:22,308 INFO L175 Difference]: Start difference. First operand has 152 places, 133 transitions, 1503 flow. Second operand 21 states and 240 transitions. [2025-03-09 06:30:22,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 192 transitions, 2038 flow [2025-03-09 06:30:22,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 192 transitions, 1934 flow, removed 0 selfloop flow, removed 9 redundant places. [2025-03-09 06:30:22,319 INFO L231 Difference]: Finished difference. Result has 160 places, 84 transitions, 903 flow [2025-03-09 06:30:22,319 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} [2025-03-09 06:30:22,319 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2025-03-09 06:30:22,319 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 84 transitions, 903 flow [2025-03-09 06:30:22,319 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) [2025-03-09 06:30:22,319 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:22,319 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:22,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-09 06:30:22,320 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:22,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:22,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1958848705, now seen corresponding path program 3 times [2025-03-09 06:30:22,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:22,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381256455] [2025-03-09 06:30:22,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:22,329 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:30:22,332 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:30:22,332 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:22,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:22,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:22,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381256455] [2025-03-09 06:30:22,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381256455] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:22,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:22,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:22,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582022210] [2025-03-09 06:30:22,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:22,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:22,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:22,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:22,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:22,641 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:22,641 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) [2025-03-09 06:30:22,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:22,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:22,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:22,917 INFO L124 PetriNetUnfolderBase]: 193/472 cut-off events. [2025-03-09 06:30:22,917 INFO L125 PetriNetUnfolderBase]: For 2838/2838 co-relation queries the response was YES. [2025-03-09 06:30:22,919 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. [2025-03-09 06:30:22,919 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 43 selfloop transitions, 26 changer transitions 41/112 dead transitions. [2025-03-09 06:30:22,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 112 transitions, 1192 flow [2025-03-09 06:30:22,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 178 transitions. [2025-03-09 06:30:22,920 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2755417956656347 [2025-03-09 06:30:22,920 INFO L175 Difference]: Start difference. First operand has 160 places, 84 transitions, 903 flow. Second operand 17 states and 178 transitions. [2025-03-09 06:30:22,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 112 transitions, 1192 flow [2025-03-09 06:30:22,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 112 transitions, 1036 flow, removed 25 selfloop flow, removed 27 redundant places. [2025-03-09 06:30:22,926 INFO L231 Difference]: Finished difference. Result has 134 places, 65 transitions, 622 flow [2025-03-09 06:30:22,926 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} [2025-03-09 06:30:22,926 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2025-03-09 06:30:22,926 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 65 transitions, 622 flow [2025-03-09 06:30:22,926 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) [2025-03-09 06:30:22,926 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:22,926 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:22,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-09 06:30:22,926 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:22,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:22,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1028198517, now seen corresponding path program 1 times [2025-03-09 06:30:22,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:22,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638469282] [2025-03-09 06:30:22,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:22,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:22,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 06:30:22,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 06:30:22,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:22,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:23,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:23,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638469282] [2025-03-09 06:30:23,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638469282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:23,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:23,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:23,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532390686] [2025-03-09 06:30:23,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:23,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:23,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:23,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:23,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:23,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:23,345 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) [2025-03-09 06:30:23,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:23,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:23,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:23,606 INFO L124 PetriNetUnfolderBase]: 132/338 cut-off events. [2025-03-09 06:30:23,606 INFO L125 PetriNetUnfolderBase]: For 1359/1359 co-relation queries the response was YES. [2025-03-09 06:30:23,607 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. [2025-03-09 06:30:23,607 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 47 selfloop transitions, 16 changer transitions 16/81 dead transitions. [2025-03-09 06:30:23,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 81 transitions, 812 flow [2025-03-09 06:30:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:30:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:30:23,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 118 transitions. [2025-03-09 06:30:23,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2822966507177033 [2025-03-09 06:30:23,608 INFO L175 Difference]: Start difference. First operand has 134 places, 65 transitions, 622 flow. Second operand 11 states and 118 transitions. [2025-03-09 06:30:23,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 81 transitions, 812 flow [2025-03-09 06:30:23,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 81 transitions, 667 flow, removed 2 selfloop flow, removed 23 redundant places. [2025-03-09 06:30:23,611 INFO L231 Difference]: Finished difference. Result has 108 places, 60 transitions, 458 flow [2025-03-09 06:30:23,611 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} [2025-03-09 06:30:23,611 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 69 predicate places. [2025-03-09 06:30:23,611 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 60 transitions, 458 flow [2025-03-09 06:30:23,611 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) [2025-03-09 06:30:23,611 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:23,611 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:23,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-09 06:30:23,611 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:23,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:23,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1029982455, now seen corresponding path program 2 times [2025-03-09 06:30:23,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:23,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003826575] [2025-03-09 06:30:23,612 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:23,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 1 equivalence classes. [2025-03-09 06:30:23,623 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 06:30:23,623 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:23,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:23,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:23,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003826575] [2025-03-09 06:30:23,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003826575] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:23,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:23,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:23,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609501078] [2025-03-09 06:30:23,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:23,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:23,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:23,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:23,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:23,922 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:23,923 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) [2025-03-09 06:30:23,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:23,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:23,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:24,103 INFO L124 PetriNetUnfolderBase]: 106/275 cut-off events. [2025-03-09 06:30:24,104 INFO L125 PetriNetUnfolderBase]: For 678/678 co-relation queries the response was YES. [2025-03-09 06:30:24,104 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. [2025-03-09 06:30:24,104 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 31 selfloop transitions, 8 changer transitions 36/77 dead transitions. [2025-03-09 06:30:24,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 77 transitions, 637 flow [2025-03-09 06:30:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:30:24,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:30:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 121 transitions. [2025-03-09 06:30:24,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2894736842105263 [2025-03-09 06:30:24,105 INFO L175 Difference]: Start difference. First operand has 108 places, 60 transitions, 458 flow. Second operand 11 states and 121 transitions. [2025-03-09 06:30:24,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 77 transitions, 637 flow [2025-03-09 06:30:24,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 77 transitions, 586 flow, removed 0 selfloop flow, removed 10 redundant places. [2025-03-09 06:30:24,107 INFO L231 Difference]: Finished difference. Result has 101 places, 40 transitions, 270 flow [2025-03-09 06:30:24,107 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} [2025-03-09 06:30:24,107 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 62 predicate places. [2025-03-09 06:30:24,107 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 40 transitions, 270 flow [2025-03-09 06:30:24,108 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) [2025-03-09 06:30:24,108 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:24,108 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:24,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-09 06:30:24,108 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:24,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:24,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1628825965, now seen corresponding path program 3 times [2025-03-09 06:30:24,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:24,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153687591] [2025-03-09 06:30:24,108 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:24,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:24,117 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 19 statements into 1 equivalence classes. [2025-03-09 06:30:24,120 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 06:30:24,120 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:24,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:24,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:24,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153687591] [2025-03-09 06:30:24,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153687591] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:24,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:24,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:24,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315631948] [2025-03-09 06:30:24,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:24,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:24,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:24,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:24,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:24,454 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:24,454 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) [2025-03-09 06:30:24,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:24,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:24,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:24,690 INFO L124 PetriNetUnfolderBase]: 63/165 cut-off events. [2025-03-09 06:30:24,690 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2025-03-09 06:30:24,691 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. [2025-03-09 06:30:24,691 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 23 selfloop transitions, 13 changer transitions 18/56 dead transitions. [2025-03-09 06:30:24,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 56 transitions, 410 flow [2025-03-09 06:30:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:30:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:30:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 120 transitions. [2025-03-09 06:30:24,692 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2631578947368421 [2025-03-09 06:30:24,692 INFO L175 Difference]: Start difference. First operand has 101 places, 40 transitions, 270 flow. Second operand 12 states and 120 transitions. [2025-03-09 06:30:24,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 56 transitions, 410 flow [2025-03-09 06:30:24,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 56 transitions, 352 flow, removed 7 selfloop flow, removed 16 redundant places. [2025-03-09 06:30:24,693 INFO L231 Difference]: Finished difference. Result has 75 places, 33 transitions, 185 flow [2025-03-09 06:30:24,693 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} [2025-03-09 06:30:24,694 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 36 predicate places. [2025-03-09 06:30:24,694 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 33 transitions, 185 flow [2025-03-09 06:30:24,694 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) [2025-03-09 06:30:24,694 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:24,694 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:24,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-09 06:30:24,694 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:24,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:24,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1863094017, now seen corresponding path program 4 times [2025-03-09 06:30:24,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:24,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505440828] [2025-03-09 06:30:24,694 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:24,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:24,704 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 19 statements into 2 equivalence classes. [2025-03-09 06:30:24,708 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 06:30:24,708 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:24,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:25,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:25,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505440828] [2025-03-09 06:30:25,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505440828] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:25,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:25,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:25,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44249744] [2025-03-09 06:30:25,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:25,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:25,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:25,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:25,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:25,071 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-09 06:30:25,071 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) [2025-03-09 06:30:25,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:25,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-09 06:30:25,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:25,266 INFO L124 PetriNetUnfolderBase]: 36/101 cut-off events. [2025-03-09 06:30:25,266 INFO L125 PetriNetUnfolderBase]: For 108/108 co-relation queries the response was YES. [2025-03-09 06:30:25,266 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. [2025-03-09 06:30:25,266 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2025-03-09 06:30:25,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 45 transitions, 287 flow [2025-03-09 06:30:25,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:30:25,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:30:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 112 transitions. [2025-03-09 06:30:25,267 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.24561403508771928 [2025-03-09 06:30:25,267 INFO L175 Difference]: Start difference. First operand has 75 places, 33 transitions, 185 flow. Second operand 12 states and 112 transitions. [2025-03-09 06:30:25,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 45 transitions, 287 flow [2025-03-09 06:30:25,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 45 transitions, 250 flow, removed 1 selfloop flow, removed 12 redundant places. [2025-03-09 06:30:25,268 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2025-03-09 06:30:25,268 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} [2025-03-09 06:30:25,268 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 18 predicate places. [2025-03-09 06:30:25,268 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2025-03-09 06:30:25,268 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) [2025-03-09 06:30:25,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2025-03-09 06:30:25,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2025-03-09 06:30:25,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-09 06:30:25,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-09 06:30:25,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-09 06:30:25,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-09 06:30:25,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-09 06:30:25,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-09 06:30:25,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-09 06:30:25,271 INFO L422 BasicCegarLoop]: Path program histogram: [7, 7, 5, 4, 4, 3, 3, 3, 3, 1, 1, 1] [2025-03-09 06:30:25,275 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-09 06:30:25,275 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 06:30:25,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 06:30:25 BasicIcfg [2025-03-09 06:30:25,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 06:30:25,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 06:30:25,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 06:30:25,280 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 06:30:25,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:49" (3/4) ... [2025-03-09 06:30:25,282 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 06:30:25,283 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure my_callback [2025-03-09 06:30:25,288 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 125 nodes and edges [2025-03-09 06:30:25,288 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2025-03-09 06:30:25,288 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-09 06:30:25,288 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 06:30:25,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 06:30:25,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 06:30:25,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 06:30:25,349 INFO L158 Benchmark]: Toolchain (without parser) took 36773.84ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 102.5MB in the beginning and 642.7MB in the end (delta: -540.3MB). Peak memory consumption was 515.3MB. Max. memory is 16.1GB. [2025-03-09 06:30:25,350 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:30:25,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.47ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 71.4MB in the end (delta: 31.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-09 06:30:25,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.22ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 69.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:30:25,351 INFO L158 Benchmark]: Boogie Preprocessor took 34.54ms. Allocated memory is still 142.6MB. Free memory was 69.4MB in the beginning and 65.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:30:25,351 INFO L158 Benchmark]: IcfgBuilder took 679.39ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 85.2MB in the end (delta: -19.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2025-03-09 06:30:25,352 INFO L158 Benchmark]: TraceAbstraction took 35445.86ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 84.5MB in the beginning and 646.9MB in the end (delta: -562.4MB). Peak memory consumption was 491.0MB. Max. memory is 16.1GB. [2025-03-09 06:30:25,352 INFO L158 Benchmark]: Witness Printer took 68.53ms. Allocated memory is still 1.2GB. Free memory was 646.9MB in the beginning and 642.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:30:25,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.47ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 71.4MB in the end (delta: 31.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.22ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 69.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.54ms. Allocated memory is still 142.6MB. Free memory was 69.4MB in the beginning and 65.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 679.39ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 85.2MB in the end (delta: -19.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 35445.86ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 84.5MB in the beginning and 646.9MB in the end (delta: -562.4MB). Peak memory consumption was 491.0MB. Max. memory is 16.1GB. * Witness Printer took 68.53ms. Allocated memory is still 1.2GB. Free memory was 646.9MB in the beginning and 642.7MB in the end (delta: 4.1MB). There was no memory consumed. 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, 51 edges, 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: 35.4s, OverallIterations: 42, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 21.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3960 SdHoareTripleChecker+Valid, 8.9s 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, 12.4s 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! [2025-03-09 06:30:25,368 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