./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_4-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 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 15:16:25,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 15:16:25,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 15:16:25,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 15:16:25,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 15:16:25,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 15:16:25,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 15:16:25,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 15:16:25,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 15:16:25,793 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 15:16:25,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 15:16:25,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 15:16:25,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 15:16:25,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 15:16:25,794 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 15:16:25,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 15:16:25,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 15:16:25,794 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 15:16:25,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 15:16:25,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 15:16:25,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 15:16:25,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 15:16:25,795 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 15:16:25,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 15:16:25,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 15:16:25,795 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 -> 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 [2025-03-04 15:16:26,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 15:16:26,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 15:16:26,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 15:16:26,049 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 15:16:26,050 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 15:16:26,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2025-03-04 15:16:27,219 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd1d5a12/3a2e4ff702fb47b485a1f8f782368ba9/FLAGbe0106348 [2025-03-04 15:16:27,532 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 15:16:27,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2025-03-04 15:16:27,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd1d5a12/3a2e4ff702fb47b485a1f8f782368ba9/FLAGbe0106348 [2025-03-04 15:16:27,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd1d5a12/3a2e4ff702fb47b485a1f8f782368ba9 [2025-03-04 15:16:27,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 15:16:27,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 15:16:27,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 15:16:27,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 15:16:27,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 15:16:27,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7351b48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27, skipping insertion in model container [2025-03-04 15:16:27,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 15:16:28,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:16:28,125 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 15:16:28,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:16:28,214 INFO L204 MainTranslator]: Completed translation [2025-03-04 15:16:28,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28 WrapperNode [2025-03-04 15:16:28,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 15:16:28,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 15:16:28,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 15:16:28,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 15:16:28,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,249 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2025-03-04 15:16:28,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 15:16:28,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 15:16:28,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 15:16:28,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 15:16:28,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,260 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,275 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 2, 8]. [2025-03-04 15:16:28,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 15:16:28,307 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 15:16:28,307 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 15:16:28,307 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 15:16:28,307 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (1/1) ... [2025-03-04 15:16:28,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 15:16:28,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:16:28,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 15:16:28,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 15:16:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-04 15:16:28,354 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-04 15:16:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 15:16:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 15:16:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 15:16:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 15:16:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 15:16:28,358 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 15:16:28,573 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 15:16:28,575 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 15:16:28,798 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 15:16:28,798 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 15:16:28,938 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 15:16:28,939 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 15:16:28,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:16:28 BoogieIcfgContainer [2025-03-04 15:16:28,939 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 15:16:28,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 15:16:28,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 15:16:28,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 15:16:28,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:16:27" (1/3) ... [2025-03-04 15:16:28,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74460b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:16:28, skipping insertion in model container [2025-03-04 15:16:28,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:28" (2/3) ... [2025-03-04 15:16:28,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74460b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:16:28, skipping insertion in model container [2025-03-04 15:16:28,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:16:28" (3/3) ... [2025-03-04 15:16:28,946 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2025-03-04 15:16:28,976 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 15:16:28,978 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_4-container_of.i that has 2 procedures, 31 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-04 15:16:28,979 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 15:16:29,024 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 15:16:29,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2025-03-04 15:16:29,091 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2025-03-04 15:16:29,095 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 15:16:29,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 51 events. 2/51 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 122 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2025-03-04 15:16:29,098 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2025-03-04 15:16:29,101 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2025-03-04 15:16:29,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 15:16:29,120 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;@7b010307, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 15:16:29,121 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-04 15:16:29,130 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 15:16:29,131 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2025-03-04 15:16:29,132 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 15:16:29,132 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:29,132 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:29,133 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:29,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:29,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1873702075, now seen corresponding path program 1 times [2025-03-04 15:16:29,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:29,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450832451] [2025-03-04 15:16:29,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:29,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:29,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 15:16:29,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 15:16:29,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:29,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:29,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:29,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450832451] [2025-03-04 15:16:29,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450832451] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:29,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:29,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:29,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608973831] [2025-03-04 15:16:29,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:29,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:29,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:29,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:29,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:29,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:29,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:29,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:29,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:29,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:30,707 INFO L124 PetriNetUnfolderBase]: 2063/3406 cut-off events. [2025-03-04 15:16:30,707 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-03-04 15:16:30,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6814 conditions, 3406 events. 2063/3406 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 18971 event pairs, 210 based on Foata normal form. 0/3000 useless extension candidates. Maximal degree in co-relation 6712. Up to 1036 conditions per place. [2025-03-04 15:16:30,731 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 132 selfloop transitions, 20 changer transitions 17/172 dead transitions. [2025-03-04 15:16:30,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 172 transitions, 706 flow [2025-03-04 15:16:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:16:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:16:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 238 transitions. [2025-03-04 15:16:30,741 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49173553719008267 [2025-03-04 15:16:30,742 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 11 states and 238 transitions. [2025-03-04 15:16:30,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 172 transitions, 706 flow [2025-03-04 15:16:30,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 172 transitions, 693 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-04 15:16:30,755 INFO L231 Difference]: Finished difference. Result has 56 places, 59 transitions, 208 flow [2025-03-04 15:16:30,757 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=59} [2025-03-04 15:16:30,760 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2025-03-04 15:16:30,761 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 59 transitions, 208 flow [2025-03-04 15:16:30,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:30,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:30,761 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:30,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 15:16:30,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:30,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:30,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1873702076, now seen corresponding path program 1 times [2025-03-04 15:16:30,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:30,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742573607] [2025-03-04 15:16:30,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:30,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:30,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 15:16:30,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 15:16:30,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:30,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:31,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:31,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742573607] [2025-03-04 15:16:31,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742573607] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:31,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:31,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:31,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242833500] [2025-03-04 15:16:31,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:31,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:31,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:31,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:31,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:31,085 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:31,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 59 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:31,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:31,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:31,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:31,704 INFO L124 PetriNetUnfolderBase]: 2702/4536 cut-off events. [2025-03-04 15:16:31,704 INFO L125 PetriNetUnfolderBase]: For 1426/1426 co-relation queries the response was YES. [2025-03-04 15:16:31,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10517 conditions, 4536 events. 2702/4536 cut-off events. For 1426/1426 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 27157 event pairs, 1330 based on Foata normal form. 122/4494 useless extension candidates. Maximal degree in co-relation 10415. Up to 2665 conditions per place. [2025-03-04 15:16:31,724 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 121 selfloop transitions, 25 changer transitions 5/154 dead transitions. [2025-03-04 15:16:31,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 154 transitions, 796 flow [2025-03-04 15:16:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 15:16:31,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 15:16:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2025-03-04 15:16:31,727 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4090909090909091 [2025-03-04 15:16:31,728 INFO L175 Difference]: Start difference. First operand has 56 places, 59 transitions, 208 flow. Second operand 10 states and 180 transitions. [2025-03-04 15:16:31,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 154 transitions, 796 flow [2025-03-04 15:16:31,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 154 transitions, 794 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:31,738 INFO L231 Difference]: Finished difference. Result has 71 places, 84 transitions, 417 flow [2025-03-04 15:16:31,738 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=417, PETRI_PLACES=71, PETRI_TRANSITIONS=84} [2025-03-04 15:16:31,739 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 26 predicate places. [2025-03-04 15:16:31,740 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 84 transitions, 417 flow [2025-03-04 15:16:31,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:31,740 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:31,740 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:31,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 15:16:31,740 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:31,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:31,741 INFO L85 PathProgramCache]: Analyzing trace with hash -26423826, now seen corresponding path program 1 times [2025-03-04 15:16:31,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:31,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008603638] [2025-03-04 15:16:31,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:31,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:31,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:16:31,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:16:31,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:31,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:32,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:32,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008603638] [2025-03-04 15:16:32,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008603638] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:32,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:32,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:32,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707579410] [2025-03-04 15:16:32,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:32,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:32,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:32,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:32,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:32,033 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:32,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 84 transitions, 417 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:32,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:32,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:32,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:32,837 INFO L124 PetriNetUnfolderBase]: 3284/5614 cut-off events. [2025-03-04 15:16:32,837 INFO L125 PetriNetUnfolderBase]: For 4106/4108 co-relation queries the response was YES. [2025-03-04 15:16:32,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14383 conditions, 5614 events. 3284/5614 cut-off events. For 4106/4108 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 36130 event pairs, 807 based on Foata normal form. 2/5508 useless extension candidates. Maximal degree in co-relation 13623. Up to 2101 conditions per place. [2025-03-04 15:16:32,864 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 187 selfloop transitions, 44 changer transitions 25/259 dead transitions. [2025-03-04 15:16:32,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 259 transitions, 1765 flow [2025-03-04 15:16:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:16:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:16:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 234 transitions. [2025-03-04 15:16:32,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4834710743801653 [2025-03-04 15:16:32,868 INFO L175 Difference]: Start difference. First operand has 71 places, 84 transitions, 417 flow. Second operand 11 states and 234 transitions. [2025-03-04 15:16:32,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 259 transitions, 1765 flow [2025-03-04 15:16:32,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 259 transitions, 1763 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:32,889 INFO L231 Difference]: Finished difference. Result has 86 places, 120 transitions, 794 flow [2025-03-04 15:16:32,889 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=794, PETRI_PLACES=86, PETRI_TRANSITIONS=120} [2025-03-04 15:16:32,890 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 41 predicate places. [2025-03-04 15:16:32,890 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 120 transitions, 794 flow [2025-03-04 15:16:32,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:32,890 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:32,890 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:32,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 15:16:32,891 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:32,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash -26423825, now seen corresponding path program 1 times [2025-03-04 15:16:32,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:32,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395791396] [2025-03-04 15:16:32,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:32,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:32,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:16:32,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:16:32,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:32,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:33,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:33,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395791396] [2025-03-04 15:16:33,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395791396] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:33,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:33,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:33,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50753081] [2025-03-04 15:16:33,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:33,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:33,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:33,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:33,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:33,164 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:33,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 120 transitions, 794 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:33,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:33,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:33,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:33,758 INFO L124 PetriNetUnfolderBase]: 2826/4852 cut-off events. [2025-03-04 15:16:33,759 INFO L125 PetriNetUnfolderBase]: For 7433/7435 co-relation queries the response was YES. [2025-03-04 15:16:33,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14636 conditions, 4852 events. 2826/4852 cut-off events. For 7433/7435 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 30812 event pairs, 923 based on Foata normal form. 130/4982 useless extension candidates. Maximal degree in co-relation 13827. Up to 2506 conditions per place. [2025-03-04 15:16:33,785 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 172 selfloop transitions, 45 changer transitions 5/225 dead transitions. [2025-03-04 15:16:33,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 225 transitions, 1803 flow [2025-03-04 15:16:33,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 15:16:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 15:16:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 175 transitions. [2025-03-04 15:16:33,787 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3977272727272727 [2025-03-04 15:16:33,787 INFO L175 Difference]: Start difference. First operand has 86 places, 120 transitions, 794 flow. Second operand 10 states and 175 transitions. [2025-03-04 15:16:33,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 225 transitions, 1803 flow [2025-03-04 15:16:33,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 225 transitions, 1781 flow, removed 11 selfloop flow, removed 0 redundant places. [2025-03-04 15:16:33,812 INFO L231 Difference]: Finished difference. Result has 102 places, 151 transitions, 1164 flow [2025-03-04 15:16:33,812 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1164, PETRI_PLACES=102, PETRI_TRANSITIONS=151} [2025-03-04 15:16:33,812 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 57 predicate places. [2025-03-04 15:16:33,813 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 151 transitions, 1164 flow [2025-03-04 15:16:33,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:33,813 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:33,813 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:33,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 15:16:33,813 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:33,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:33,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1634477542, now seen corresponding path program 1 times [2025-03-04 15:16:33,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:33,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319760896] [2025-03-04 15:16:33,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:33,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:33,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:33,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:33,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:33,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:33,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:33,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319760896] [2025-03-04 15:16:33,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319760896] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:33,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:33,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 15:16:33,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167642806] [2025-03-04 15:16:33,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:33,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 15:16:33,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:33,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 15:16:33,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 15:16:33,926 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2025-03-04 15:16:33,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 151 transitions, 1164 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:33,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:33,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2025-03-04 15:16:33,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:34,272 INFO L124 PetriNetUnfolderBase]: 1771/2988 cut-off events. [2025-03-04 15:16:34,272 INFO L125 PetriNetUnfolderBase]: For 7208/7211 co-relation queries the response was YES. [2025-03-04 15:16:34,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9920 conditions, 2988 events. 1771/2988 cut-off events. For 7208/7211 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 16919 event pairs, 642 based on Foata normal form. 1/2989 useless extension candidates. Maximal degree in co-relation 9894. Up to 2382 conditions per place. [2025-03-04 15:16:34,294 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 162 selfloop transitions, 17 changer transitions 0/181 dead transitions. [2025-03-04 15:16:34,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 181 transitions, 1667 flow [2025-03-04 15:16:34,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 15:16:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-04 15:16:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2025-03-04 15:16:34,297 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2025-03-04 15:16:34,297 INFO L175 Difference]: Start difference. First operand has 102 places, 151 transitions, 1164 flow. Second operand 4 states and 90 transitions. [2025-03-04 15:16:34,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 181 transitions, 1667 flow [2025-03-04 15:16:34,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 181 transitions, 1615 flow, removed 17 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:34,316 INFO L231 Difference]: Finished difference. Result has 99 places, 115 transitions, 858 flow [2025-03-04 15:16:34,316 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=858, PETRI_PLACES=99, PETRI_TRANSITIONS=115} [2025-03-04 15:16:34,317 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 54 predicate places. [2025-03-04 15:16:34,317 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 115 transitions, 858 flow [2025-03-04 15:16:34,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:34,319 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:34,319 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:34,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 15:16:34,319 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:34,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:34,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1472945716, now seen corresponding path program 1 times [2025-03-04 15:16:34,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:34,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298096776] [2025-03-04 15:16:34,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:34,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:34,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:34,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:34,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:34,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:34,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:34,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298096776] [2025-03-04 15:16:34,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298096776] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:34,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:34,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 15:16:34,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023065585] [2025-03-04 15:16:34,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:34,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:16:34,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:34,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:16:34,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:16:34,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:34,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 115 transitions, 858 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:34,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:34,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:34,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:35,419 INFO L124 PetriNetUnfolderBase]: 1866/3150 cut-off events. [2025-03-04 15:16:35,420 INFO L125 PetriNetUnfolderBase]: For 7380/7388 co-relation queries the response was YES. [2025-03-04 15:16:35,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10566 conditions, 3150 events. 1866/3150 cut-off events. For 7380/7388 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 17301 event pairs, 593 based on Foata normal form. 44/3194 useless extension candidates. Maximal degree in co-relation 10539. Up to 1854 conditions per place. [2025-03-04 15:16:35,436 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 134 selfloop transitions, 59 changer transitions 3/198 dead transitions. [2025-03-04 15:16:35,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 198 transitions, 1697 flow [2025-03-04 15:16:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 15:16:35,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-04 15:16:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 199 transitions. [2025-03-04 15:16:35,438 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3479020979020979 [2025-03-04 15:16:35,438 INFO L175 Difference]: Start difference. First operand has 99 places, 115 transitions, 858 flow. Second operand 13 states and 199 transitions. [2025-03-04 15:16:35,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 198 transitions, 1697 flow [2025-03-04 15:16:35,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 198 transitions, 1663 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 15:16:35,459 INFO L231 Difference]: Finished difference. Result has 116 places, 143 transitions, 1258 flow [2025-03-04 15:16:35,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1258, PETRI_PLACES=116, PETRI_TRANSITIONS=143} [2025-03-04 15:16:35,462 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 71 predicate places. [2025-03-04 15:16:35,463 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 143 transitions, 1258 flow [2025-03-04 15:16:35,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:35,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:35,463 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:35,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 15:16:35,463 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:35,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:35,464 INFO L85 PathProgramCache]: Analyzing trace with hash 853981071, now seen corresponding path program 1 times [2025-03-04 15:16:35,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:35,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628285309] [2025-03-04 15:16:35,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:35,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:35,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:35,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:35,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:35,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:35,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628285309] [2025-03-04 15:16:35,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628285309] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:35,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:35,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:35,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079143652] [2025-03-04 15:16:35,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:35,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:35,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:35,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:35,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:35,831 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:35,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 143 transitions, 1258 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:35,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:35,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:35,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:36,807 INFO L124 PetriNetUnfolderBase]: 2397/4059 cut-off events. [2025-03-04 15:16:36,808 INFO L125 PetriNetUnfolderBase]: For 14716/14726 co-relation queries the response was YES. [2025-03-04 15:16:36,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15560 conditions, 4059 events. 2397/4059 cut-off events. For 14716/14726 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 23490 event pairs, 1002 based on Foata normal form. 66/4125 useless extension candidates. Maximal degree in co-relation 15527. Up to 2016 conditions per place. [2025-03-04 15:16:36,829 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 185 selfloop transitions, 113 changer transitions 8/308 dead transitions. [2025-03-04 15:16:36,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 308 transitions, 3043 flow [2025-03-04 15:16:36,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-04 15:16:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-04 15:16:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 306 transitions. [2025-03-04 15:16:36,831 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31611570247933884 [2025-03-04 15:16:36,832 INFO L175 Difference]: Start difference. First operand has 116 places, 143 transitions, 1258 flow. Second operand 22 states and 306 transitions. [2025-03-04 15:16:36,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 308 transitions, 3043 flow [2025-03-04 15:16:36,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 308 transitions, 2994 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 15:16:36,873 INFO L231 Difference]: Finished difference. Result has 141 places, 204 transitions, 2216 flow [2025-03-04 15:16:36,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2216, PETRI_PLACES=141, PETRI_TRANSITIONS=204} [2025-03-04 15:16:36,874 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 96 predicate places. [2025-03-04 15:16:36,874 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 204 transitions, 2216 flow [2025-03-04 15:16:36,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:36,875 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:36,875 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:36,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 15:16:36,875 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:36,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:36,875 INFO L85 PathProgramCache]: Analyzing trace with hash -909564357, now seen corresponding path program 2 times [2025-03-04 15:16:36,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:36,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565615681] [2025-03-04 15:16:36,876 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:36,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:36,888 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:36,893 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:36,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:36,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:37,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:37,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565615681] [2025-03-04 15:16:37,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565615681] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:37,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:37,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:37,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119098630] [2025-03-04 15:16:37,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:37,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:37,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:37,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:37,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:37,156 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:37,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 204 transitions, 2216 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:37,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:37,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:37,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:38,208 INFO L124 PetriNetUnfolderBase]: 3376/5733 cut-off events. [2025-03-04 15:16:38,209 INFO L125 PetriNetUnfolderBase]: For 27562/27572 co-relation queries the response was YES. [2025-03-04 15:16:38,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23873 conditions, 5733 events. 3376/5733 cut-off events. For 27562/27572 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 35672 event pairs, 1666 based on Foata normal form. 66/5799 useless extension candidates. Maximal degree in co-relation 23830. Up to 3651 conditions per place. [2025-03-04 15:16:38,234 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 293 selfloop transitions, 122 changer transitions 8/425 dead transitions. [2025-03-04 15:16:38,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 425 transitions, 5183 flow [2025-03-04 15:16:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 15:16:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-04 15:16:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 289 transitions. [2025-03-04 15:16:38,236 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32840909090909093 [2025-03-04 15:16:38,236 INFO L175 Difference]: Start difference. First operand has 141 places, 204 transitions, 2216 flow. Second operand 20 states and 289 transitions. [2025-03-04 15:16:38,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 425 transitions, 5183 flow [2025-03-04 15:16:38,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 425 transitions, 5082 flow, removed 11 selfloop flow, removed 8 redundant places. [2025-03-04 15:16:38,337 INFO L231 Difference]: Finished difference. Result has 166 places, 298 transitions, 3890 flow [2025-03-04 15:16:38,337 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2140, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3890, PETRI_PLACES=166, PETRI_TRANSITIONS=298} [2025-03-04 15:16:38,338 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 121 predicate places. [2025-03-04 15:16:38,338 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 298 transitions, 3890 flow [2025-03-04 15:16:38,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:38,338 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:38,338 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:38,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 15:16:38,338 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:38,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:38,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1033639985, now seen corresponding path program 1 times [2025-03-04 15:16:38,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:38,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232683528] [2025-03-04 15:16:38,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:38,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:38,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:38,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:38,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:38,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:38,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:38,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232683528] [2025-03-04 15:16:38,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232683528] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:38,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:38,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:38,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762320779] [2025-03-04 15:16:38,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:38,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:38,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:38,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:38,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:38,635 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:38,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 298 transitions, 3890 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:38,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:38,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:38,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:39,708 INFO L124 PetriNetUnfolderBase]: 3749/6450 cut-off events. [2025-03-04 15:16:39,709 INFO L125 PetriNetUnfolderBase]: For 39679/39691 co-relation queries the response was YES. [2025-03-04 15:16:39,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28403 conditions, 6450 events. 3749/6450 cut-off events. For 39679/39691 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 41756 event pairs, 1852 based on Foata normal form. 110/6560 useless extension candidates. Maximal degree in co-relation 28346. Up to 4900 conditions per place. [2025-03-04 15:16:39,754 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 286 selfloop transitions, 82 changer transitions 13/383 dead transitions. [2025-03-04 15:16:39,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 383 transitions, 5371 flow [2025-03-04 15:16:39,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 15:16:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-04 15:16:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 194 transitions. [2025-03-04 15:16:39,755 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36742424242424243 [2025-03-04 15:16:39,755 INFO L175 Difference]: Start difference. First operand has 166 places, 298 transitions, 3890 flow. Second operand 12 states and 194 transitions. [2025-03-04 15:16:39,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 383 transitions, 5371 flow [2025-03-04 15:16:39,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 383 transitions, 5245 flow, removed 48 selfloop flow, removed 4 redundant places. [2025-03-04 15:16:39,985 INFO L231 Difference]: Finished difference. Result has 178 places, 308 transitions, 4168 flow [2025-03-04 15:16:39,986 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3784, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4168, PETRI_PLACES=178, PETRI_TRANSITIONS=308} [2025-03-04 15:16:39,986 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 133 predicate places. [2025-03-04 15:16:39,987 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 308 transitions, 4168 flow [2025-03-04 15:16:39,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:39,987 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:39,987 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:39,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 15:16:39,987 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:39,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:39,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2384015, now seen corresponding path program 3 times [2025-03-04 15:16:39,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:39,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089435820] [2025-03-04 15:16:39,988 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:39,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:39,998 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:40,002 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:40,003 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:40,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:40,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:40,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089435820] [2025-03-04 15:16:40,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089435820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:40,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:40,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:40,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957743104] [2025-03-04 15:16:40,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:40,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:40,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:40,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:40,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:40,281 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:40,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 308 transitions, 4168 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:40,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:40,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:40,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:41,475 INFO L124 PetriNetUnfolderBase]: 3793/6518 cut-off events. [2025-03-04 15:16:41,476 INFO L125 PetriNetUnfolderBase]: For 44695/44707 co-relation queries the response was YES. [2025-03-04 15:16:41,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29027 conditions, 6518 events. 3793/6518 cut-off events. For 44695/44707 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 42069 event pairs, 1833 based on Foata normal form. 68/6586 useless extension candidates. Maximal degree in co-relation 28966. Up to 3583 conditions per place. [2025-03-04 15:16:41,517 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 263 selfloop transitions, 170 changer transitions 12/447 dead transitions. [2025-03-04 15:16:41,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 447 transitions, 6272 flow [2025-03-04 15:16:41,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 15:16:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-04 15:16:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 293 transitions. [2025-03-04 15:16:41,519 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33295454545454545 [2025-03-04 15:16:41,519 INFO L175 Difference]: Start difference. First operand has 178 places, 308 transitions, 4168 flow. Second operand 20 states and 293 transitions. [2025-03-04 15:16:41,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 447 transitions, 6272 flow [2025-03-04 15:16:41,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 447 transitions, 6163 flow, removed 20 selfloop flow, removed 6 redundant places. [2025-03-04 15:16:41,678 INFO L231 Difference]: Finished difference. Result has 196 places, 337 transitions, 5028 flow [2025-03-04 15:16:41,679 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4064, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=5028, PETRI_PLACES=196, PETRI_TRANSITIONS=337} [2025-03-04 15:16:41,679 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 151 predicate places. [2025-03-04 15:16:41,679 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 337 transitions, 5028 flow [2025-03-04 15:16:41,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:41,680 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:41,680 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:41,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 15:16:41,680 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:41,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:41,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1281552142, now seen corresponding path program 1 times [2025-03-04 15:16:41,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:41,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714957136] [2025-03-04 15:16:41,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:41,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:41,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:41,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:41,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:41,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:41,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:41,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714957136] [2025-03-04 15:16:41,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714957136] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:41,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:41,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 15:16:41,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997835477] [2025-03-04 15:16:41,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:41,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:16:41,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:41,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:16:41,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:16:41,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:41,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 337 transitions, 5028 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:41,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:41,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:41,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:42,979 INFO L124 PetriNetUnfolderBase]: 3780/6464 cut-off events. [2025-03-04 15:16:42,979 INFO L125 PetriNetUnfolderBase]: For 52955/52965 co-relation queries the response was YES. [2025-03-04 15:16:43,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30905 conditions, 6464 events. 3780/6464 cut-off events. For 52955/52965 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 41165 event pairs, 994 based on Foata normal form. 43/6507 useless extension candidates. Maximal degree in co-relation 30839. Up to 3062 conditions per place. [2025-03-04 15:16:43,023 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 299 selfloop transitions, 135 changer transitions 15/451 dead transitions. [2025-03-04 15:16:43,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 451 transitions, 7078 flow [2025-03-04 15:16:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 15:16:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-04 15:16:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 198 transitions. [2025-03-04 15:16:43,027 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34615384615384615 [2025-03-04 15:16:43,027 INFO L175 Difference]: Start difference. First operand has 196 places, 337 transitions, 5028 flow. Second operand 13 states and 198 transitions. [2025-03-04 15:16:43,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 451 transitions, 7078 flow [2025-03-04 15:16:43,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 451 transitions, 6686 flow, removed 79 selfloop flow, removed 15 redundant places. [2025-03-04 15:16:43,264 INFO L231 Difference]: Finished difference. Result has 200 places, 385 transitions, 5792 flow [2025-03-04 15:16:43,264 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4692, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5792, PETRI_PLACES=200, PETRI_TRANSITIONS=385} [2025-03-04 15:16:43,264 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 155 predicate places. [2025-03-04 15:16:43,264 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 385 transitions, 5792 flow [2025-03-04 15:16:43,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:43,265 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:43,265 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:43,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 15:16:43,265 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:43,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:43,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1479033167, now seen corresponding path program 2 times [2025-03-04 15:16:43,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:43,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621136445] [2025-03-04 15:16:43,265 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:43,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:43,274 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:43,278 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:43,278 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:43,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:43,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:43,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621136445] [2025-03-04 15:16:43,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621136445] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:43,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:43,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:43,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369506139] [2025-03-04 15:16:43,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:43,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:43,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:43,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:43,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:43,581 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:43,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 385 transitions, 5792 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:43,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:43,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:43,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:45,173 INFO L124 PetriNetUnfolderBase]: 4337/7524 cut-off events. [2025-03-04 15:16:45,174 INFO L125 PetriNetUnfolderBase]: For 83275/83285 co-relation queries the response was YES. [2025-03-04 15:16:45,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38546 conditions, 7524 events. 4337/7524 cut-off events. For 83275/83285 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 50612 event pairs, 2038 based on Foata normal form. 134/7658 useless extension candidates. Maximal degree in co-relation 38478. Up to 4773 conditions per place. [2025-03-04 15:16:45,212 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 283 selfloop transitions, 194 changer transitions 20/499 dead transitions. [2025-03-04 15:16:45,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 499 transitions, 7737 flow [2025-03-04 15:16:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 15:16:45,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-04 15:16:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 279 transitions. [2025-03-04 15:16:45,214 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33373205741626794 [2025-03-04 15:16:45,214 INFO L175 Difference]: Start difference. First operand has 200 places, 385 transitions, 5792 flow. Second operand 19 states and 279 transitions. [2025-03-04 15:16:45,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 499 transitions, 7737 flow [2025-03-04 15:16:45,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 499 transitions, 7595 flow, removed 27 selfloop flow, removed 5 redundant places. [2025-03-04 15:16:45,485 INFO L231 Difference]: Finished difference. Result has 218 places, 393 transitions, 6306 flow [2025-03-04 15:16:45,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5672, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=6306, PETRI_PLACES=218, PETRI_TRANSITIONS=393} [2025-03-04 15:16:45,486 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 173 predicate places. [2025-03-04 15:16:45,486 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 393 transitions, 6306 flow [2025-03-04 15:16:45,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:45,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:45,486 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:45,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 15:16:45,486 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:45,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:45,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1754128554, now seen corresponding path program 2 times [2025-03-04 15:16:45,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:45,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629282750] [2025-03-04 15:16:45,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:45,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:45,496 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:45,500 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:45,500 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:45,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:45,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:45,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629282750] [2025-03-04 15:16:45,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629282750] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:45,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:45,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 15:16:45,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020033640] [2025-03-04 15:16:45,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:45,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:16:45,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:45,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:16:45,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:16:45,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:45,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 393 transitions, 6306 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:45,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:45,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:45,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:47,026 INFO L124 PetriNetUnfolderBase]: 4263/7339 cut-off events. [2025-03-04 15:16:47,026 INFO L125 PetriNetUnfolderBase]: For 87504/87514 co-relation queries the response was YES. [2025-03-04 15:16:47,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38793 conditions, 7339 events. 4263/7339 cut-off events. For 87504/87514 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 48704 event pairs, 1395 based on Foata normal form. 44/7383 useless extension candidates. Maximal degree in co-relation 38719. Up to 4298 conditions per place. [2025-03-04 15:16:47,083 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 281 selfloop transitions, 213 changer transitions 5/501 dead transitions. [2025-03-04 15:16:47,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 501 transitions, 8449 flow [2025-03-04 15:16:47,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 222 transitions. [2025-03-04 15:16:47,085 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33636363636363636 [2025-03-04 15:16:47,085 INFO L175 Difference]: Start difference. First operand has 218 places, 393 transitions, 6306 flow. Second operand 15 states and 222 transitions. [2025-03-04 15:16:47,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 501 transitions, 8449 flow [2025-03-04 15:16:47,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 501 transitions, 8345 flow, removed 19 selfloop flow, removed 9 redundant places. [2025-03-04 15:16:47,447 INFO L231 Difference]: Finished difference. Result has 229 places, 445 transitions, 7625 flow [2025-03-04 15:16:47,448 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6207, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7625, PETRI_PLACES=229, PETRI_TRANSITIONS=445} [2025-03-04 15:16:47,448 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 184 predicate places. [2025-03-04 15:16:47,448 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 445 transitions, 7625 flow [2025-03-04 15:16:47,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:47,448 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:47,448 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:47,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 15:16:47,449 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:47,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:47,449 INFO L85 PathProgramCache]: Analyzing trace with hash 568880881, now seen corresponding path program 3 times [2025-03-04 15:16:47,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:47,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169786583] [2025-03-04 15:16:47,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:16:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:47,458 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:47,462 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:47,462 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:16:47,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:47,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:47,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169786583] [2025-03-04 15:16:47,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169786583] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:47,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:47,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:47,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449824383] [2025-03-04 15:16:47,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:47,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:47,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:47,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:47,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:47,684 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:47,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 445 transitions, 7625 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:47,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:47,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:47,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:48,955 INFO L124 PetriNetUnfolderBase]: 4636/8074 cut-off events. [2025-03-04 15:16:48,955 INFO L125 PetriNetUnfolderBase]: For 117230/117240 co-relation queries the response was YES. [2025-03-04 15:16:48,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44377 conditions, 8074 events. 4636/8074 cut-off events. For 117230/117240 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 55348 event pairs, 2198 based on Foata normal form. 134/8208 useless extension candidates. Maximal degree in co-relation 44298. Up to 5083 conditions per place. [2025-03-04 15:16:49,011 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 349 selfloop transitions, 166 changer transitions 18/535 dead transitions. [2025-03-04 15:16:49,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 535 transitions, 9488 flow [2025-03-04 15:16:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 225 transitions. [2025-03-04 15:16:49,012 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3409090909090909 [2025-03-04 15:16:49,012 INFO L175 Difference]: Start difference. First operand has 229 places, 445 transitions, 7625 flow. Second operand 15 states and 225 transitions. [2025-03-04 15:16:49,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 535 transitions, 9488 flow [2025-03-04 15:16:49,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 535 transitions, 9303 flow, removed 65 selfloop flow, removed 4 redundant places. [2025-03-04 15:16:49,592 INFO L231 Difference]: Finished difference. Result has 242 places, 447 transitions, 7889 flow [2025-03-04 15:16:49,593 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7447, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7889, PETRI_PLACES=242, PETRI_TRANSITIONS=447} [2025-03-04 15:16:49,593 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 197 predicate places. [2025-03-04 15:16:49,593 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 447 transitions, 7889 flow [2025-03-04 15:16:49,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:49,593 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:49,593 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:49,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 15:16:49,594 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:49,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:49,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1955269944, now seen corresponding path program 2 times [2025-03-04 15:16:49,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:49,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822267420] [2025-03-04 15:16:49,594 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:49,602 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:49,605 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:49,606 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:49,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:49,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:49,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822267420] [2025-03-04 15:16:49,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822267420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:49,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:49,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 15:16:49,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052674940] [2025-03-04 15:16:49,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:49,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:16:49,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:49,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:16:49,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:16:49,833 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:49,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 447 transitions, 7889 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:49,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:49,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:49,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:51,477 INFO L124 PetriNetUnfolderBase]: 4551/7867 cut-off events. [2025-03-04 15:16:51,478 INFO L125 PetriNetUnfolderBase]: For 118584/118594 co-relation queries the response was YES. [2025-03-04 15:16:51,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43941 conditions, 7867 events. 4551/7867 cut-off events. For 118584/118594 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 53091 event pairs, 1512 based on Foata normal form. 43/7910 useless extension candidates. Maximal degree in co-relation 43858. Up to 4361 conditions per place. [2025-03-04 15:16:51,543 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 351 selfloop transitions, 185 changer transitions 7/545 dead transitions. [2025-03-04 15:16:51,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 545 transitions, 10048 flow [2025-03-04 15:16:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 15:16:51,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-04 15:16:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 221 transitions. [2025-03-04 15:16:51,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33484848484848484 [2025-03-04 15:16:51,546 INFO L175 Difference]: Start difference. First operand has 242 places, 447 transitions, 7889 flow. Second operand 15 states and 221 transitions. [2025-03-04 15:16:51,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 545 transitions, 10048 flow [2025-03-04 15:16:52,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 545 transitions, 9797 flow, removed 15 selfloop flow, removed 10 redundant places. [2025-03-04 15:16:52,075 INFO L231 Difference]: Finished difference. Result has 251 places, 485 transitions, 8844 flow [2025-03-04 15:16:52,075 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7672, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=8844, PETRI_PLACES=251, PETRI_TRANSITIONS=485} [2025-03-04 15:16:52,076 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 206 predicate places. [2025-03-04 15:16:52,076 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 485 transitions, 8844 flow [2025-03-04 15:16:52,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:52,076 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:52,076 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:52,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 15:16:52,076 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:52,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:52,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1790672005, now seen corresponding path program 1 times [2025-03-04 15:16:52,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:52,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025245615] [2025-03-04 15:16:52,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:52,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:52,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 15:16:52,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 15:16:52,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:52,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:52,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:52,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025245615] [2025-03-04 15:16:52,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025245615] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:52,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:52,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:52,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890421320] [2025-03-04 15:16:52,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:52,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:52,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:52,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:52,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:52,395 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:52,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 485 transitions, 8844 flow. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:52,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:52,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:52,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:53,816 INFO L124 PetriNetUnfolderBase]: 4777/8242 cut-off events. [2025-03-04 15:16:53,816 INFO L125 PetriNetUnfolderBase]: For 143304/143314 co-relation queries the response was YES. [2025-03-04 15:16:53,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48090 conditions, 8242 events. 4777/8242 cut-off events. For 143304/143314 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 56148 event pairs, 1624 based on Foata normal form. 44/8286 useless extension candidates. Maximal degree in co-relation 48002. Up to 4586 conditions per place. [2025-03-04 15:16:53,919 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 357 selfloop transitions, 230 changer transitions 7/596 dead transitions. [2025-03-04 15:16:53,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 596 transitions, 11108 flow [2025-03-04 15:16:53,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 15:16:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-04 15:16:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 254 transitions. [2025-03-04 15:16:53,920 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.339572192513369 [2025-03-04 15:16:53,920 INFO L175 Difference]: Start difference. First operand has 251 places, 485 transitions, 8844 flow. Second operand 17 states and 254 transitions. [2025-03-04 15:16:53,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 596 transitions, 11108 flow [2025-03-04 15:16:54,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 596 transitions, 10892 flow, removed 43 selfloop flow, removed 5 redundant places. [2025-03-04 15:16:54,496 INFO L231 Difference]: Finished difference. Result has 267 places, 515 transitions, 9771 flow [2025-03-04 15:16:54,496 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8645, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=9771, PETRI_PLACES=267, PETRI_TRANSITIONS=515} [2025-03-04 15:16:54,497 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 222 predicate places. [2025-03-04 15:16:54,497 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 515 transitions, 9771 flow [2025-03-04 15:16:54,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:54,497 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:54,497 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:54,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-04 15:16:54,497 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:54,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:54,498 INFO L85 PathProgramCache]: Analyzing trace with hash -700743075, now seen corresponding path program 1 times [2025-03-04 15:16:54,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:54,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19947925] [2025-03-04 15:16:54,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:54,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:54,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 15:16:54,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 15:16:54,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:54,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:54,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:54,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19947925] [2025-03-04 15:16:54,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19947925] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:54,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:54,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 15:16:54,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029614152] [2025-03-04 15:16:54,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:54,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:16:54,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:54,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:16:54,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:16:54,739 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:54,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 515 transitions, 9771 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:54,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:54,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:54,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:57,608 INFO L124 PetriNetUnfolderBase]: 9859/17768 cut-off events. [2025-03-04 15:16:57,608 INFO L125 PetriNetUnfolderBase]: For 338489/338499 co-relation queries the response was YES. [2025-03-04 15:16:57,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98369 conditions, 17768 events. 9859/17768 cut-off events. For 338489/338499 co-relation queries the response was YES. Maximal size of possible extension queue 1061. Compared 148778 event pairs, 3194 based on Foata normal form. 287/18055 useless extension candidates. Maximal degree in co-relation 98277. Up to 6415 conditions per place. [2025-03-04 15:16:57,820 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 670 selfloop transitions, 113 changer transitions 17/802 dead transitions. [2025-03-04 15:16:57,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 802 transitions, 15549 flow [2025-03-04 15:16:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:16:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:16:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 227 transitions. [2025-03-04 15:16:57,821 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4690082644628099 [2025-03-04 15:16:57,821 INFO L175 Difference]: Start difference. First operand has 267 places, 515 transitions, 9771 flow. Second operand 11 states and 227 transitions. [2025-03-04 15:16:57,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 802 transitions, 15549 flow [2025-03-04 15:16:59,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 802 transitions, 15016 flow, removed 165 selfloop flow, removed 8 redundant places. [2025-03-04 15:16:59,259 INFO L231 Difference]: Finished difference. Result has 274 places, 559 transitions, 10648 flow [2025-03-04 15:16:59,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=9449, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10648, PETRI_PLACES=274, PETRI_TRANSITIONS=559} [2025-03-04 15:16:59,259 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 229 predicate places. [2025-03-04 15:16:59,259 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 559 transitions, 10648 flow [2025-03-04 15:16:59,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:59,259 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:59,259 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:59,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-04 15:16:59,259 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:59,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash 105878685, now seen corresponding path program 2 times [2025-03-04 15:16:59,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:59,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114009455] [2025-03-04 15:16:59,260 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:59,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:59,268 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 1 equivalence classes. [2025-03-04 15:16:59,272 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 15:16:59,273 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:59,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:59,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:59,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:59,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114009455] [2025-03-04 15:16:59,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114009455] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:59,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:59,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:59,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129726038] [2025-03-04 15:16:59,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:59,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:59,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:59,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:59,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:59,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:16:59,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 559 transitions, 10648 flow. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:59,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:59,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:16:59,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:03,066 INFO L124 PetriNetUnfolderBase]: 9449/16941 cut-off events. [2025-03-04 15:17:03,066 INFO L125 PetriNetUnfolderBase]: For 377083/377093 co-relation queries the response was YES. [2025-03-04 15:17:03,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104579 conditions, 16941 events. 9449/16941 cut-off events. For 377083/377093 co-relation queries the response was YES. Maximal size of possible extension queue 1007. Compared 139035 event pairs, 3663 based on Foata normal form. 88/17029 useless extension candidates. Maximal degree in co-relation 104481. Up to 10463 conditions per place. [2025-03-04 15:17:03,240 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 382 selfloop transitions, 245 changer transitions 10/639 dead transitions. [2025-03-04 15:17:03,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 639 transitions, 12826 flow [2025-03-04 15:17:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 15:17:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-04 15:17:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 212 transitions. [2025-03-04 15:17:03,241 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34415584415584416 [2025-03-04 15:17:03,241 INFO L175 Difference]: Start difference. First operand has 274 places, 559 transitions, 10648 flow. Second operand 14 states and 212 transitions. [2025-03-04 15:17:03,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 639 transitions, 12826 flow [2025-03-04 15:17:05,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 639 transitions, 12739 flow, removed 25 selfloop flow, removed 3 redundant places. [2025-03-04 15:17:05,014 INFO L231 Difference]: Finished difference. Result has 290 places, 577 transitions, 11840 flow [2025-03-04 15:17:05,014 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=10583, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11840, PETRI_PLACES=290, PETRI_TRANSITIONS=577} [2025-03-04 15:17:05,015 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 245 predicate places. [2025-03-04 15:17:05,015 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 577 transitions, 11840 flow [2025-03-04 15:17:05,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:05,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:05,015 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:05,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 15:17:05,015 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:05,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:05,016 INFO L85 PathProgramCache]: Analyzing trace with hash 460707741, now seen corresponding path program 2 times [2025-03-04 15:17:05,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:05,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262490221] [2025-03-04 15:17:05,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:17:05,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:05,028 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 1 equivalence classes. [2025-03-04 15:17:05,033 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 15:17:05,033 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:17:05,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:05,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:05,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262490221] [2025-03-04 15:17:05,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262490221] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:05,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:05,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 15:17:05,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922260581] [2025-03-04 15:17:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:05,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:17:05,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:05,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:17:05,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:17:05,412 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:17:05,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 577 transitions, 11840 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:05,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:05,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:17:05,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:09,675 INFO L124 PetriNetUnfolderBase]: 11800/21634 cut-off events. [2025-03-04 15:17:09,675 INFO L125 PetriNetUnfolderBase]: For 529727/529737 co-relation queries the response was YES. [2025-03-04 15:17:09,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132709 conditions, 21634 events. 11800/21634 cut-off events. For 529727/529737 co-relation queries the response was YES. Maximal size of possible extension queue 1378. Compared 191197 event pairs, 4584 based on Foata normal form. 290/21924 useless extension candidates. Maximal degree in co-relation 132606. Up to 9543 conditions per place. [2025-03-04 15:17:09,876 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 766 selfloop transitions, 113 changer transitions 21/902 dead transitions. [2025-03-04 15:17:09,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 902 transitions, 19092 flow [2025-03-04 15:17:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 15:17:09,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 15:17:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 215 transitions. [2025-03-04 15:17:09,878 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48863636363636365 [2025-03-04 15:17:09,878 INFO L175 Difference]: Start difference. First operand has 290 places, 577 transitions, 11840 flow. Second operand 10 states and 215 transitions. [2025-03-04 15:17:09,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 902 transitions, 19092 flow [2025-03-04 15:17:12,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 902 transitions, 18812 flow, removed 114 selfloop flow, removed 5 redundant places. [2025-03-04 15:17:12,117 INFO L231 Difference]: Finished difference. Result has 299 places, 625 transitions, 13175 flow [2025-03-04 15:17:12,117 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=11704, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13175, PETRI_PLACES=299, PETRI_TRANSITIONS=625} [2025-03-04 15:17:12,117 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 254 predicate places. [2025-03-04 15:17:12,118 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 625 transitions, 13175 flow [2025-03-04 15:17:12,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:12,118 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:12,118 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:12,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 15:17:12,118 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:12,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:12,118 INFO L85 PathProgramCache]: Analyzing trace with hash -189955875, now seen corresponding path program 3 times [2025-03-04 15:17:12,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:12,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087131624] [2025-03-04 15:17:12,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:17:12,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:12,131 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 17 statements into 1 equivalence classes. [2025-03-04 15:17:12,135 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 15:17:12,135 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:17:12,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:12,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:12,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087131624] [2025-03-04 15:17:12,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087131624] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:12,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:12,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 15:17:12,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963727877] [2025-03-04 15:17:12,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:12,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 15:17:12,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:12,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 15:17:12,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:17:12,434 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:17:12,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 625 transitions, 13175 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:12,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:12,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:17:12,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:17,674 INFO L124 PetriNetUnfolderBase]: 12323/22866 cut-off events. [2025-03-04 15:17:17,674 INFO L125 PetriNetUnfolderBase]: For 608886/608890 co-relation queries the response was YES. [2025-03-04 15:17:17,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149365 conditions, 22866 events. 12323/22866 cut-off events. For 608886/608890 co-relation queries the response was YES. Maximal size of possible extension queue 1462. Compared 207889 event pairs, 2810 based on Foata normal form. 212/23078 useless extension candidates. Maximal degree in co-relation 149256. Up to 11152 conditions per place. [2025-03-04 15:17:17,939 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 592 selfloop transitions, 263 changer transitions 49/906 dead transitions. [2025-03-04 15:17:17,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 906 transitions, 19946 flow [2025-03-04 15:17:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 15:17:17,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-04 15:17:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 264 transitions. [2025-03-04 15:17:17,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2025-03-04 15:17:17,940 INFO L175 Difference]: Start difference. First operand has 299 places, 625 transitions, 13175 flow. Second operand 13 states and 264 transitions. [2025-03-04 15:17:17,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 906 transitions, 19946 flow [2025-03-04 15:17:20,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 906 transitions, 19291 flow, removed 197 selfloop flow, removed 5 redundant places. [2025-03-04 15:17:20,558 INFO L231 Difference]: Finished difference. Result has 314 places, 734 transitions, 16275 flow [2025-03-04 15:17:20,558 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=12839, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16275, PETRI_PLACES=314, PETRI_TRANSITIONS=734} [2025-03-04 15:17:20,559 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 269 predicate places. [2025-03-04 15:17:20,559 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 734 transitions, 16275 flow [2025-03-04 15:17:20,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:20,559 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:20,559 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:20,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-04 15:17:20,559 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:20,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:20,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1856862211, now seen corresponding path program 1 times [2025-03-04 15:17:20,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:20,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541022265] [2025-03-04 15:17:20,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:20,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:20,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 15:17:20,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 15:17:20,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:20,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:20,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:20,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541022265] [2025-03-04 15:17:20,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541022265] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:20,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:20,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:17:20,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918561482] [2025-03-04 15:17:20,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:20,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:17:20,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:20,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:17:20,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:17:20,861 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:17:20,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 734 transitions, 16275 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:20,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:20,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:17:20,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:27,781 INFO L124 PetriNetUnfolderBase]: 14453/26854 cut-off events. [2025-03-04 15:17:27,781 INFO L125 PetriNetUnfolderBase]: For 842072/842082 co-relation queries the response was YES. [2025-03-04 15:17:28,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194715 conditions, 26854 events. 14453/26854 cut-off events. For 842072/842082 co-relation queries the response was YES. Maximal size of possible extension queue 1712. Compared 248731 event pairs, 6596 based on Foata normal form. 190/27044 useless extension candidates. Maximal degree in co-relation 194599. Up to 18538 conditions per place. [2025-03-04 15:17:28,212 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 898 selfloop transitions, 266 changer transitions 23/1189 dead transitions. [2025-03-04 15:17:28,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 1189 transitions, 28142 flow [2025-03-04 15:17:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 15:17:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-04 15:17:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 299 transitions. [2025-03-04 15:17:28,213 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3576555023923445 [2025-03-04 15:17:28,213 INFO L175 Difference]: Start difference. First operand has 314 places, 734 transitions, 16275 flow. Second operand 19 states and 299 transitions. [2025-03-04 15:17:28,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 1189 transitions, 28142 flow [2025-03-04 15:17:33,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 1189 transitions, 27606 flow, removed 199 selfloop flow, removed 5 redundant places. [2025-03-04 15:17:33,094 INFO L231 Difference]: Finished difference. Result has 335 places, 920 transitions, 22369 flow [2025-03-04 15:17:33,095 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=15977, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=22369, PETRI_PLACES=335, PETRI_TRANSITIONS=920} [2025-03-04 15:17:33,095 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 290 predicate places. [2025-03-04 15:17:33,095 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 920 transitions, 22369 flow [2025-03-04 15:17:33,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:33,095 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:33,095 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:33,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-04 15:17:33,095 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:33,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:33,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1232356024, now seen corresponding path program 1 times [2025-03-04 15:17:33,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:33,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621923884] [2025-03-04 15:17:33,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:33,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:33,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 15:17:33,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 15:17:33,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:33,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:33,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:33,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621923884] [2025-03-04 15:17:33,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621923884] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:33,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:33,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:17:33,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076810669] [2025-03-04 15:17:33,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:33,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:17:33,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:33,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:17:33,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:17:33,379 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:17:33,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 920 transitions, 22369 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:33,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:33,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:17:33,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:41,469 INFO L124 PetriNetUnfolderBase]: 14775/27661 cut-off events. [2025-03-04 15:17:41,470 INFO L125 PetriNetUnfolderBase]: For 906465/906475 co-relation queries the response was YES. [2025-03-04 15:17:41,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202845 conditions, 27661 events. 14775/27661 cut-off events. For 906465/906475 co-relation queries the response was YES. Maximal size of possible extension queue 1780. Compared 259326 event pairs, 7750 based on Foata normal form. 172/27833 useless extension candidates. Maximal degree in co-relation 202723. Up to 20240 conditions per place. [2025-03-04 15:17:41,976 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 907 selfloop transitions, 118 changer transitions 82/1109 dead transitions. [2025-03-04 15:17:41,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 1109 transitions, 27795 flow [2025-03-04 15:17:41,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 15:17:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-04 15:17:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 306 transitions. [2025-03-04 15:17:41,977 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3477272727272727 [2025-03-04 15:17:41,977 INFO L175 Difference]: Start difference. First operand has 335 places, 920 transitions, 22369 flow. Second operand 20 states and 306 transitions. [2025-03-04 15:17:41,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 1109 transitions, 27795 flow [2025-03-04 15:17:48,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 1109 transitions, 27196 flow, removed 288 selfloop flow, removed 3 redundant places. [2025-03-04 15:17:48,232 INFO L231 Difference]: Finished difference. Result has 355 places, 921 transitions, 22276 flow [2025-03-04 15:17:48,233 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=21848, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=803, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=22276, PETRI_PLACES=355, PETRI_TRANSITIONS=921} [2025-03-04 15:17:48,233 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 310 predicate places. [2025-03-04 15:17:48,233 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 921 transitions, 22276 flow [2025-03-04 15:17:48,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:48,233 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:48,233 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:48,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-04 15:17:48,234 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:48,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:48,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2081689726, now seen corresponding path program 1 times [2025-03-04 15:17:48,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:48,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020804367] [2025-03-04 15:17:48,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:48,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:48,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 15:17:48,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 15:17:48,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:48,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:48,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:48,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020804367] [2025-03-04 15:17:48,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020804367] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:48,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:48,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 15:17:48,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781906508] [2025-03-04 15:17:48,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:48,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:17:48,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:48,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:17:48,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:17:48,538 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-04 15:17:48,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 921 transitions, 22276 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:48,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:48,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-04 15:17:48,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand