./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-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 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:38:19,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:38:20,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:38:20,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:38:20,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:38:20,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:38:20,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:38:20,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:38:20,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:38:20,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:38:20,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:38:20,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:38:20,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:38:20,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:38:20,045 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:38:20,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:38:20,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:38:20,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:38:20,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:38:20,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:38:20,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:38:20,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:38:20,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:38:20,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:38:20,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:38:20,053 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:38:20,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:38:20,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:38:20,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:38:20,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:38:20,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:38:20,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:38:20,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:38:20,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:38:20,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:38:20,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:38:20,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:38:20,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:38:20,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:38:20,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:38:20,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:38:20,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:38:20,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:38:20,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:38:20,056 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-10-13 16:38:20,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:38:20,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:38:20,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:38:20,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:38:20,272 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:38:20,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-10-13 16:38:21,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:38:21,715 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:38:21,716 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-10-13 16:38:21,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39959af41/3b089508571449c09c62a667378ef3dd/FLAG627c1d1d0 [2024-10-13 16:38:22,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39959af41/3b089508571449c09c62a667378ef3dd [2024-10-13 16:38:22,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:38:22,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:38:22,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:38:22,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:38:22,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:38:22,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314e195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22, skipping insertion in model container [2024-10-13 16:38:22,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:38:22,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:38:22,461 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:38:22,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:38:22,569 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:38:22,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22 WrapperNode [2024-10-13 16:38:22,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:38:22,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:38:22,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:38:22,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:38:22,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,625 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-10-13 16:38:22,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:38:22,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:38:22,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:38:22,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:38:22,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,661 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]. [2024-10-13 16:38:22,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:38:22,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:38:22,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:38:22,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:38:22,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (1/1) ... [2024-10-13 16:38:22,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:38:22,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:38:22,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:38:22,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:38:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-13 16:38:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-13 16:38:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:38:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:38:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:38:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:38:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 16:38:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:38:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:38:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:38:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:38:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:38:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:38:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 16:38:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:38:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:38:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:38:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:38:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:38:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:38:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:38:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:38:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:38:22,761 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 16:38:22,969 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:38:22,971 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:38:23,178 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:38:23,178 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:38:23,297 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:38:23,297 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:38:23,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:38:23 BoogieIcfgContainer [2024-10-13 16:38:23,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:38:23,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:38:23,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:38:23,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:38:23,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:38:22" (1/3) ... [2024-10-13 16:38:23,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f95e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:38:23, skipping insertion in model container [2024-10-13 16:38:23,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:22" (2/3) ... [2024-10-13 16:38:23,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f95e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:38:23, skipping insertion in model container [2024-10-13 16:38:23,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:38:23" (3/3) ... [2024-10-13 16:38:23,306 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-10-13 16:38:23,320 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:38:23,320 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:38:23,320 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 16:38:23,352 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 16:38:23,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2024-10-13 16:38:23,424 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2024-10-13 16:38:23,425 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 16:38:23,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 2/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2024-10-13 16:38:23,426 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2024-10-13 16:38:23,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2024-10-13 16:38:23,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:38:23,452 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;@42332444, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:38:23,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 16:38:23,460 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:38:23,461 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-10-13 16:38:23,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:38:23,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:23,462 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:23,463 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:23,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:23,466 INFO L85 PathProgramCache]: Analyzing trace with hash -215199965, now seen corresponding path program 1 times [2024-10-13 16:38:23,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:23,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967611665] [2024-10-13 16:38:23,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:23,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:24,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:24,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967611665] [2024-10-13 16:38:24,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967611665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:24,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:24,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:38:24,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998361653] [2024-10-13 16:38:24,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:24,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:38:24,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:24,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:38:24,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:38:24,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:24,236 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) [2024-10-13 16:38:24,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:24,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:24,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:24,752 INFO L124 PetriNetUnfolderBase]: 1309/2220 cut-off events. [2024-10-13 16:38:24,753 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-10-13 16:38:24,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4457 conditions, 2220 events. 1309/2220 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11613 event pairs, 581 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 4365. Up to 1340 conditions per place. [2024-10-13 16:38:24,771 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 85 selfloop transitions, 20 changer transitions 3/111 dead transitions. [2024-10-13 16:38:24,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 111 transitions, 462 flow [2024-10-13 16:38:24,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 16:38:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-13 16:38:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 172 transitions. [2024-10-13 16:38:24,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39090909090909093 [2024-10-13 16:38:24,783 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 10 states and 172 transitions. [2024-10-13 16:38:24,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 111 transitions, 462 flow [2024-10-13 16:38:24,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 111 transitions, 451 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 16:38:24,790 INFO L231 Difference]: Finished difference. Result has 56 places, 58 transitions, 208 flow [2024-10-13 16:38:24,791 INFO L260 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=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2024-10-13 16:38:24,793 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2024-10-13 16:38:24,794 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 208 flow [2024-10-13 16:38:24,794 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) [2024-10-13 16:38:24,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:24,794 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:24,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:38:24,794 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:24,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:24,795 INFO L85 PathProgramCache]: Analyzing trace with hash 2146416997, now seen corresponding path program 1 times [2024-10-13 16:38:24,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:24,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918090088] [2024-10-13 16:38:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:24,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:25,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:25,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918090088] [2024-10-13 16:38:25,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918090088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:25,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:25,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:38:25,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595857957] [2024-10-13 16:38:25,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:25,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:38:25,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:25,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:38:25,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:38:25,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:25,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 208 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) [2024-10-13 16:38:25,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:25,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:25,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:25,443 INFO L124 PetriNetUnfolderBase]: 1551/2657 cut-off events. [2024-10-13 16:38:25,444 INFO L125 PetriNetUnfolderBase]: For 1048/1050 co-relation queries the response was YES. [2024-10-13 16:38:25,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 2657 events. 1551/2657 cut-off events. For 1048/1050 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14448 event pairs, 910 based on Foata normal form. 2/2419 useless extension candidates. Maximal degree in co-relation 5626. Up to 1866 conditions per place. [2024-10-13 16:38:25,455 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 83 selfloop transitions, 27 changer transitions 9/122 dead transitions. [2024-10-13 16:38:25,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 122 transitions, 650 flow [2024-10-13 16:38:25,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 16:38:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-13 16:38:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2024-10-13 16:38:25,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3840909090909091 [2024-10-13 16:38:25,459 INFO L175 Difference]: Start difference. First operand has 56 places, 58 transitions, 208 flow. Second operand 10 states and 169 transitions. [2024-10-13 16:38:25,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 122 transitions, 650 flow [2024-10-13 16:38:25,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 122 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:38:25,468 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 364 flow [2024-10-13 16:38:25,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=364, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2024-10-13 16:38:25,469 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2024-10-13 16:38:25,469 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 364 flow [2024-10-13 16:38:25,469 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) [2024-10-13 16:38:25,470 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:25,470 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:25,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:38:25,470 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:25,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:25,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1457176187, now seen corresponding path program 1 times [2024-10-13 16:38:25,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:25,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913879659] [2024-10-13 16:38:25,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:25,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:26,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:26,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:26,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913879659] [2024-10-13 16:38:26,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913879659] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:26,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:26,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:38:26,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658684870] [2024-10-13 16:38:26,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:26,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:38:26,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:26,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:38:26,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:38:26,087 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:26,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 364 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) [2024-10-13 16:38:26,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:26,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:26,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:26,936 INFO L124 PetriNetUnfolderBase]: 2489/4295 cut-off events. [2024-10-13 16:38:26,936 INFO L125 PetriNetUnfolderBase]: For 3375/3385 co-relation queries the response was YES. [2024-10-13 16:38:26,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11976 conditions, 4295 events. 2489/4295 cut-off events. For 3375/3385 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 26392 event pairs, 1200 based on Foata normal form. 76/4155 useless extension candidates. Maximal degree in co-relation 8830. Up to 2376 conditions per place. [2024-10-13 16:38:26,954 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 150 selfloop transitions, 66 changer transitions 5/224 dead transitions. [2024-10-13 16:38:26,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 224 transitions, 1488 flow [2024-10-13 16:38:26,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 16:38:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-13 16:38:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 266 transitions. [2024-10-13 16:38:26,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35561497326203206 [2024-10-13 16:38:26,956 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 364 flow. Second operand 17 states and 266 transitions. [2024-10-13 16:38:26,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 224 transitions, 1488 flow [2024-10-13 16:38:26,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 224 transitions, 1488 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 16:38:26,974 INFO L231 Difference]: Finished difference. Result has 96 places, 133 transitions, 1003 flow [2024-10-13 16:38:26,974 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1003, PETRI_PLACES=96, PETRI_TRANSITIONS=133} [2024-10-13 16:38:26,975 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 51 predicate places. [2024-10-13 16:38:26,975 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 133 transitions, 1003 flow [2024-10-13 16:38:26,975 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) [2024-10-13 16:38:26,975 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:26,976 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:26,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:38:26,976 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:26,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:26,976 INFO L85 PathProgramCache]: Analyzing trace with hash 430444549, now seen corresponding path program 2 times [2024-10-13 16:38:26,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:26,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394352437] [2024-10-13 16:38:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:26,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:27,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:27,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394352437] [2024-10-13 16:38:27,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394352437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:27,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:27,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:38:27,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393460916] [2024-10-13 16:38:27,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:27,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:38:27,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:27,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:38:27,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:38:27,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:27,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 133 transitions, 1003 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) [2024-10-13 16:38:27,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:27,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:27,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:28,438 INFO L124 PetriNetUnfolderBase]: 2725/4710 cut-off events. [2024-10-13 16:38:28,439 INFO L125 PetriNetUnfolderBase]: For 10671/10686 co-relation queries the response was YES. [2024-10-13 16:38:28,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16168 conditions, 4710 events. 2725/4710 cut-off events. For 10671/10686 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 29364 event pairs, 1037 based on Foata normal form. 81/4535 useless extension candidates. Maximal degree in co-relation 15535. Up to 2167 conditions per place. [2024-10-13 16:38:28,464 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 152 selfloop transitions, 114 changer transitions 4/273 dead transitions. [2024-10-13 16:38:28,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 273 transitions, 2321 flow [2024-10-13 16:38:28,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 16:38:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-13 16:38:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 314 transitions. [2024-10-13 16:38:28,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3243801652892562 [2024-10-13 16:38:28,466 INFO L175 Difference]: Start difference. First operand has 96 places, 133 transitions, 1003 flow. Second operand 22 states and 314 transitions. [2024-10-13 16:38:28,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 273 transitions, 2321 flow [2024-10-13 16:38:28,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 273 transitions, 2225 flow, removed 40 selfloop flow, removed 3 redundant places. [2024-10-13 16:38:28,507 INFO L231 Difference]: Finished difference. Result has 122 places, 184 transitions, 1753 flow [2024-10-13 16:38:28,508 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1753, PETRI_PLACES=122, PETRI_TRANSITIONS=184} [2024-10-13 16:38:28,508 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 77 predicate places. [2024-10-13 16:38:28,508 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 184 transitions, 1753 flow [2024-10-13 16:38:28,509 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) [2024-10-13 16:38:28,509 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:28,509 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:28,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:38:28,509 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:28,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:28,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1333101199, now seen corresponding path program 1 times [2024-10-13 16:38:28,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:28,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882032709] [2024-10-13 16:38:28,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:28,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:28,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:28,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882032709] [2024-10-13 16:38:28,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882032709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:28,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:28,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:38:28,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147396041] [2024-10-13 16:38:28,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:28,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:38:28,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:28,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:38:28,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:38:28,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:28,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 184 transitions, 1753 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) [2024-10-13 16:38:28,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:28,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:28,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:29,823 INFO L124 PetriNetUnfolderBase]: 3111/5456 cut-off events. [2024-10-13 16:38:29,824 INFO L125 PetriNetUnfolderBase]: For 18151/18163 co-relation queries the response was YES. [2024-10-13 16:38:29,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20816 conditions, 5456 events. 3111/5456 cut-off events. For 18151/18163 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 35644 event pairs, 1654 based on Foata normal form. 88/5260 useless extension candidates. Maximal degree in co-relation 20167. Up to 4114 conditions per place. [2024-10-13 16:38:29,857 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 172 selfloop transitions, 66 changer transitions 18/259 dead transitions. [2024-10-13 16:38:29,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 259 transitions, 2715 flow [2024-10-13 16:38:29,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 16:38:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 16:38:29,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 200 transitions. [2024-10-13 16:38:29,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3787878787878788 [2024-10-13 16:38:29,858 INFO L175 Difference]: Start difference. First operand has 122 places, 184 transitions, 1753 flow. Second operand 12 states and 200 transitions. [2024-10-13 16:38:29,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 259 transitions, 2715 flow [2024-10-13 16:38:29,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 259 transitions, 2599 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-10-13 16:38:29,920 INFO L231 Difference]: Finished difference. Result has 131 places, 194 transitions, 1955 flow [2024-10-13 16:38:29,920 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1955, PETRI_PLACES=131, PETRI_TRANSITIONS=194} [2024-10-13 16:38:29,921 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2024-10-13 16:38:29,921 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 194 transitions, 1955 flow [2024-10-13 16:38:29,921 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) [2024-10-13 16:38:29,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:29,921 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:29,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:38:29,922 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:29,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:29,922 INFO L85 PathProgramCache]: Analyzing trace with hash -668124875, now seen corresponding path program 1 times [2024-10-13 16:38:29,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:29,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346728133] [2024-10-13 16:38:29,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:29,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:29,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:29,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346728133] [2024-10-13 16:38:29,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346728133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:29,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:29,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:38:29,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626951051] [2024-10-13 16:38:29,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:29,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:38:29,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:29,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:38:29,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:38:29,970 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2024-10-13 16:38:29,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 194 transitions, 1955 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) [2024-10-13 16:38:29,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:29,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2024-10-13 16:38:29,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:30,395 INFO L124 PetriNetUnfolderBase]: 1957/3514 cut-off events. [2024-10-13 16:38:30,395 INFO L125 PetriNetUnfolderBase]: For 10211/10213 co-relation queries the response was YES. [2024-10-13 16:38:30,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 3514 events. 1957/3514 cut-off events. For 10211/10213 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 21437 event pairs, 750 based on Foata normal form. 0/3326 useless extension candidates. Maximal degree in co-relation 13066. Up to 2271 conditions per place. [2024-10-13 16:38:30,413 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 218 selfloop transitions, 21 changer transitions 0/241 dead transitions. [2024-10-13 16:38:30,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 241 transitions, 2798 flow [2024-10-13 16:38:30,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:38:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:38:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-10-13 16:38:30,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2024-10-13 16:38:30,414 INFO L175 Difference]: Start difference. First operand has 131 places, 194 transitions, 1955 flow. Second operand 4 states and 90 transitions. [2024-10-13 16:38:30,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 241 transitions, 2798 flow [2024-10-13 16:38:30,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 241 transitions, 2670 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-10-13 16:38:30,458 INFO L231 Difference]: Finished difference. Result has 124 places, 154 transitions, 1459 flow [2024-10-13 16:38:30,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1417, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1459, PETRI_PLACES=124, PETRI_TRANSITIONS=154} [2024-10-13 16:38:30,459 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 79 predicate places. [2024-10-13 16:38:30,459 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 154 transitions, 1459 flow [2024-10-13 16:38:30,459 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) [2024-10-13 16:38:30,459 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:30,459 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:30,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:38:30,460 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:30,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:30,460 INFO L85 PathProgramCache]: Analyzing trace with hash -293763805, now seen corresponding path program 2 times [2024-10-13 16:38:30,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:30,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132691940] [2024-10-13 16:38:30,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:30,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:30,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:30,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132691940] [2024-10-13 16:38:30,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132691940] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:30,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:30,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:38:30,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980302198] [2024-10-13 16:38:30,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:30,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:38:30,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:30,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:38:30,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:38:30,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:30,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 154 transitions, 1459 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) [2024-10-13 16:38:30,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:30,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:30,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:31,529 INFO L124 PetriNetUnfolderBase]: 2147/3922 cut-off events. [2024-10-13 16:38:31,530 INFO L125 PetriNetUnfolderBase]: For 11147/11157 co-relation queries the response was YES. [2024-10-13 16:38:31,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14844 conditions, 3922 events. 2147/3922 cut-off events. For 11147/11157 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 24060 event pairs, 940 based on Foata normal form. 72/3808 useless extension candidates. Maximal degree in co-relation 14460. Up to 2071 conditions per place. [2024-10-13 16:38:31,552 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 148 selfloop transitions, 59 changer transitions 16/225 dead transitions. [2024-10-13 16:38:31,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 225 transitions, 2259 flow [2024-10-13 16:38:31,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 16:38:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-13 16:38:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 217 transitions. [2024-10-13 16:38:31,554 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3287878787878788 [2024-10-13 16:38:31,554 INFO L175 Difference]: Start difference. First operand has 124 places, 154 transitions, 1459 flow. Second operand 15 states and 217 transitions. [2024-10-13 16:38:31,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 225 transitions, 2259 flow [2024-10-13 16:38:31,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 225 transitions, 2206 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-13 16:38:31,608 INFO L231 Difference]: Finished difference. Result has 139 places, 158 transitions, 1618 flow [2024-10-13 16:38:31,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1618, PETRI_PLACES=139, PETRI_TRANSITIONS=158} [2024-10-13 16:38:31,608 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 94 predicate places. [2024-10-13 16:38:31,609 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 158 transitions, 1618 flow [2024-10-13 16:38:31,609 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) [2024-10-13 16:38:31,609 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:31,609 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:31,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:38:31,610 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:31,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:31,610 INFO L85 PathProgramCache]: Analyzing trace with hash -421152827, now seen corresponding path program 3 times [2024-10-13 16:38:31,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:31,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722112862] [2024-10-13 16:38:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:31,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:31,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:31,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722112862] [2024-10-13 16:38:31,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722112862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:31,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:31,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:38:31,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838910565] [2024-10-13 16:38:31,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:31,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:38:31,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:31,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:38:31,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:38:31,912 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:31,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 158 transitions, 1618 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) [2024-10-13 16:38:31,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:31,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:31,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:32,859 INFO L124 PetriNetUnfolderBase]: 1983/3642 cut-off events. [2024-10-13 16:38:32,859 INFO L125 PetriNetUnfolderBase]: For 11129/11139 co-relation queries the response was YES. [2024-10-13 16:38:32,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14190 conditions, 3642 events. 1983/3642 cut-off events. For 11129/11139 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 22167 event pairs, 751 based on Foata normal form. 80/3566 useless extension candidates. Maximal degree in co-relation 13803. Up to 1899 conditions per place. [2024-10-13 16:38:32,882 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 163 selfloop transitions, 85 changer transitions 19/269 dead transitions. [2024-10-13 16:38:32,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 269 transitions, 2863 flow [2024-10-13 16:38:32,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 16:38:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-13 16:38:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 273 transitions. [2024-10-13 16:38:32,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.326555023923445 [2024-10-13 16:38:32,883 INFO L175 Difference]: Start difference. First operand has 139 places, 158 transitions, 1618 flow. Second operand 19 states and 273 transitions. [2024-10-13 16:38:32,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 269 transitions, 2863 flow [2024-10-13 16:38:32,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 269 transitions, 2743 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-10-13 16:38:32,937 INFO L231 Difference]: Finished difference. Result has 155 places, 175 transitions, 1989 flow [2024-10-13 16:38:32,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1989, PETRI_PLACES=155, PETRI_TRANSITIONS=175} [2024-10-13 16:38:32,938 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 110 predicate places. [2024-10-13 16:38:32,938 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 175 transitions, 1989 flow [2024-10-13 16:38:32,938 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) [2024-10-13 16:38:32,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:32,938 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:32,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:38:32,938 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:32,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:32,940 INFO L85 PathProgramCache]: Analyzing trace with hash -421152507, now seen corresponding path program 3 times [2024-10-13 16:38:32,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:32,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216563991] [2024-10-13 16:38:32,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:32,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:33,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:33,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216563991] [2024-10-13 16:38:33,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216563991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:33,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:33,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:38:33,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353172876] [2024-10-13 16:38:33,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:33,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:38:33,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:33,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:38:33,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:38:33,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:33,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 175 transitions, 1989 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) [2024-10-13 16:38:33,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:33,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:33,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:34,038 INFO L124 PetriNetUnfolderBase]: 1348/2491 cut-off events. [2024-10-13 16:38:34,038 INFO L125 PetriNetUnfolderBase]: For 10755/10765 co-relation queries the response was YES. [2024-10-13 16:38:34,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 2491 events. 1348/2491 cut-off events. For 10755/10765 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14274 event pairs, 411 based on Foata normal form. 46/2393 useless extension candidates. Maximal degree in co-relation 10955. Up to 1219 conditions per place. [2024-10-13 16:38:34,054 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 160 selfloop transitions, 89 changer transitions 8/259 dead transitions. [2024-10-13 16:38:34,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 259 transitions, 2982 flow [2024-10-13 16:38:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-13 16:38:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-13 16:38:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 286 transitions. [2024-10-13 16:38:34,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2024-10-13 16:38:34,056 INFO L175 Difference]: Start difference. First operand has 155 places, 175 transitions, 1989 flow. Second operand 21 states and 286 transitions. [2024-10-13 16:38:34,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 259 transitions, 2982 flow [2024-10-13 16:38:34,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 259 transitions, 2818 flow, removed 43 selfloop flow, removed 8 redundant places. [2024-10-13 16:38:34,109 INFO L231 Difference]: Finished difference. Result has 171 places, 192 transitions, 2285 flow [2024-10-13 16:38:34,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2285, PETRI_PLACES=171, PETRI_TRANSITIONS=192} [2024-10-13 16:38:34,110 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 126 predicate places. [2024-10-13 16:38:34,110 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 192 transitions, 2285 flow [2024-10-13 16:38:34,110 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) [2024-10-13 16:38:34,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:34,110 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:34,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 16:38:34,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:34,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:34,111 INFO L85 PathProgramCache]: Analyzing trace with hash -853563660, now seen corresponding path program 1 times [2024-10-13 16:38:34,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:34,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499891868] [2024-10-13 16:38:34,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:34,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:34,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:34,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499891868] [2024-10-13 16:38:34,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499891868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:34,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:34,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:34,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789196931] [2024-10-13 16:38:34,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:34,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:34,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:34,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:34,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:34,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:34,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 192 transitions, 2285 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:34,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:34,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:34,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:35,348 INFO L124 PetriNetUnfolderBase]: 1421/2624 cut-off events. [2024-10-13 16:38:35,348 INFO L125 PetriNetUnfolderBase]: For 13664/13674 co-relation queries the response was YES. [2024-10-13 16:38:35,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12594 conditions, 2624 events. 1421/2624 cut-off events. For 13664/13674 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 15373 event pairs, 494 based on Foata normal form. 10/2508 useless extension candidates. Maximal degree in co-relation 12142. Up to 1521 conditions per place. [2024-10-13 16:38:35,371 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 207 selfloop transitions, 74 changer transitions 7/290 dead transitions. [2024-10-13 16:38:35,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 290 transitions, 3339 flow [2024-10-13 16:38:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 16:38:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-13 16:38:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 285 transitions. [2024-10-13 16:38:35,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2024-10-13 16:38:35,373 INFO L175 Difference]: Start difference. First operand has 171 places, 192 transitions, 2285 flow. Second operand 20 states and 285 transitions. [2024-10-13 16:38:35,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 290 transitions, 3339 flow [2024-10-13 16:38:35,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 290 transitions, 3232 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-10-13 16:38:35,444 INFO L231 Difference]: Finished difference. Result has 188 places, 204 transitions, 2522 flow [2024-10-13 16:38:35,445 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2182, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2522, PETRI_PLACES=188, PETRI_TRANSITIONS=204} [2024-10-13 16:38:35,446 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 143 predicate places. [2024-10-13 16:38:35,446 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 204 transitions, 2522 flow [2024-10-13 16:38:35,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:35,446 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:35,446 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:35,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 16:38:35,447 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:35,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:35,447 INFO L85 PathProgramCache]: Analyzing trace with hash 169149641, now seen corresponding path program 1 times [2024-10-13 16:38:35,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:35,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421897953] [2024-10-13 16:38:35,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:35,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:35,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:35,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421897953] [2024-10-13 16:38:35,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421897953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:35,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:35,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:35,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487520873] [2024-10-13 16:38:35,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:35,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:35,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:35,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:35,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:35,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:35,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 204 transitions, 2522 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:35,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:35,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:35,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:36,652 INFO L124 PetriNetUnfolderBase]: 1366/2537 cut-off events. [2024-10-13 16:38:36,652 INFO L125 PetriNetUnfolderBase]: For 18155/18165 co-relation queries the response was YES. [2024-10-13 16:38:36,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12644 conditions, 2537 events. 1366/2537 cut-off events. For 18155/18165 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 14814 event pairs, 506 based on Foata normal form. 46/2523 useless extension candidates. Maximal degree in co-relation 12183. Up to 1573 conditions per place. [2024-10-13 16:38:36,673 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 189 selfloop transitions, 71 changer transitions 10/272 dead transitions. [2024-10-13 16:38:36,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 272 transitions, 3316 flow [2024-10-13 16:38:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 16:38:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-13 16:38:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 248 transitions. [2024-10-13 16:38:36,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3315508021390374 [2024-10-13 16:38:36,675 INFO L175 Difference]: Start difference. First operand has 188 places, 204 transitions, 2522 flow. Second operand 17 states and 248 transitions. [2024-10-13 16:38:36,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 272 transitions, 3316 flow [2024-10-13 16:38:36,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 272 transitions, 3162 flow, removed 14 selfloop flow, removed 11 redundant places. [2024-10-13 16:38:36,759 INFO L231 Difference]: Finished difference. Result has 194 places, 202 transitions, 2507 flow [2024-10-13 16:38:36,760 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2368, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2507, PETRI_PLACES=194, PETRI_TRANSITIONS=202} [2024-10-13 16:38:36,760 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 149 predicate places. [2024-10-13 16:38:36,760 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 202 transitions, 2507 flow [2024-10-13 16:38:36,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:36,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:36,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:36,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 16:38:36,761 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:36,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:36,761 INFO L85 PathProgramCache]: Analyzing trace with hash -187265719, now seen corresponding path program 1 times [2024-10-13 16:38:36,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:36,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813887025] [2024-10-13 16:38:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:36,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:37,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:37,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813887025] [2024-10-13 16:38:37,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813887025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:37,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:37,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 16:38:37,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518899340] [2024-10-13 16:38:37,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:37,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 16:38:37,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:37,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 16:38:37,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:38:37,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:37,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 202 transitions, 2507 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) [2024-10-13 16:38:37,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:37,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:37,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:37,880 INFO L124 PetriNetUnfolderBase]: 1484/2790 cut-off events. [2024-10-13 16:38:37,881 INFO L125 PetriNetUnfolderBase]: For 21310/21320 co-relation queries the response was YES. [2024-10-13 16:38:37,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13999 conditions, 2790 events. 1484/2790 cut-off events. For 21310/21320 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 16700 event pairs, 575 based on Foata normal form. 10/2764 useless extension candidates. Maximal degree in co-relation 13850. Up to 1033 conditions per place. [2024-10-13 16:38:37,897 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 208 selfloop transitions, 95 changer transitions 7/312 dead transitions. [2024-10-13 16:38:37,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 312 transitions, 3807 flow [2024-10-13 16:38:37,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 16:38:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-13 16:38:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 306 transitions. [2024-10-13 16:38:37,898 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30237154150197626 [2024-10-13 16:38:37,898 INFO L175 Difference]: Start difference. First operand has 194 places, 202 transitions, 2507 flow. Second operand 23 states and 306 transitions. [2024-10-13 16:38:37,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 312 transitions, 3807 flow [2024-10-13 16:38:37,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 312 transitions, 3681 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-10-13 16:38:37,988 INFO L231 Difference]: Finished difference. Result has 204 places, 217 transitions, 2844 flow [2024-10-13 16:38:37,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2390, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2844, PETRI_PLACES=204, PETRI_TRANSITIONS=217} [2024-10-13 16:38:37,988 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 159 predicate places. [2024-10-13 16:38:37,988 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 217 transitions, 2844 flow [2024-10-13 16:38:37,989 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) [2024-10-13 16:38:37,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:37,989 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:37,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 16:38:37,989 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:37,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:37,990 INFO L85 PathProgramCache]: Analyzing trace with hash -585472834, now seen corresponding path program 1 times [2024-10-13 16:38:37,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:37,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14665330] [2024-10-13 16:38:37,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:37,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:38,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:38,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14665330] [2024-10-13 16:38:38,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14665330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:38,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:38,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 16:38:38,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314934556] [2024-10-13 16:38:38,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:38,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:38:38,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:38,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:38:38,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:38:38,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:38,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 217 transitions, 2844 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) [2024-10-13 16:38:38,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:38,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:38,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:38,848 INFO L124 PetriNetUnfolderBase]: 1590/2981 cut-off events. [2024-10-13 16:38:38,848 INFO L125 PetriNetUnfolderBase]: For 26506/26516 co-relation queries the response was YES. [2024-10-13 16:38:38,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15240 conditions, 2981 events. 1590/2981 cut-off events. For 26506/26516 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 18165 event pairs, 553 based on Foata normal form. 34/3015 useless extension candidates. Maximal degree in co-relation 14662. Up to 771 conditions per place. [2024-10-13 16:38:38,869 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 215 selfloop transitions, 81 changer transitions 30/328 dead transitions. [2024-10-13 16:38:38,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 328 transitions, 4155 flow [2024-10-13 16:38:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 16:38:38,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-13 16:38:38,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 279 transitions. [2024-10-13 16:38:38,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3522727272727273 [2024-10-13 16:38:38,870 INFO L175 Difference]: Start difference. First operand has 204 places, 217 transitions, 2844 flow. Second operand 18 states and 279 transitions. [2024-10-13 16:38:38,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 328 transitions, 4155 flow [2024-10-13 16:38:38,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 328 transitions, 4012 flow, removed 8 selfloop flow, removed 14 redundant places. [2024-10-13 16:38:38,964 INFO L231 Difference]: Finished difference. Result has 208 places, 215 transitions, 2841 flow [2024-10-13 16:38:38,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2685, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2841, PETRI_PLACES=208, PETRI_TRANSITIONS=215} [2024-10-13 16:38:38,965 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 163 predicate places. [2024-10-13 16:38:38,965 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 215 transitions, 2841 flow [2024-10-13 16:38:38,965 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) [2024-10-13 16:38:38,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:38,966 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:38,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 16:38:38,966 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:38,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:38,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166247, now seen corresponding path program 2 times [2024-10-13 16:38:38,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:38,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976819184] [2024-10-13 16:38:38,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:38,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:39,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:39,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976819184] [2024-10-13 16:38:39,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976819184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:39,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:39,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:39,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886395460] [2024-10-13 16:38:39,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:39,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:39,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:39,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:39,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:39,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:39,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 215 transitions, 2841 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:39,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:39,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:39,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:40,444 INFO L124 PetriNetUnfolderBase]: 1719/3227 cut-off events. [2024-10-13 16:38:40,444 INFO L125 PetriNetUnfolderBase]: For 29084/29094 co-relation queries the response was YES. [2024-10-13 16:38:40,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16696 conditions, 3227 events. 1719/3227 cut-off events. For 29084/29094 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 20131 event pairs, 605 based on Foata normal form. 28/3255 useless extension candidates. Maximal degree in co-relation 15963. Up to 2174 conditions per place. [2024-10-13 16:38:40,467 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 252 selfloop transitions, 89 changer transitions 0/343 dead transitions. [2024-10-13 16:38:40,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 343 transitions, 4228 flow [2024-10-13 16:38:40,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 16:38:40,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-13 16:38:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 339 transitions. [2024-10-13 16:38:40,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3210227272727273 [2024-10-13 16:38:40,469 INFO L175 Difference]: Start difference. First operand has 208 places, 215 transitions, 2841 flow. Second operand 24 states and 339 transitions. [2024-10-13 16:38:40,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 343 transitions, 4228 flow [2024-10-13 16:38:40,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 343 transitions, 3970 flow, removed 79 selfloop flow, removed 8 redundant places. [2024-10-13 16:38:40,579 INFO L231 Difference]: Finished difference. Result has 223 places, 244 transitions, 3269 flow [2024-10-13 16:38:40,579 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2687, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3269, PETRI_PLACES=223, PETRI_TRANSITIONS=244} [2024-10-13 16:38:40,580 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 178 predicate places. [2024-10-13 16:38:40,581 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 244 transitions, 3269 flow [2024-10-13 16:38:40,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:40,581 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:40,581 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:40,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 16:38:40,581 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:40,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:40,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1440492951, now seen corresponding path program 3 times [2024-10-13 16:38:40,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:40,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602979333] [2024-10-13 16:38:40,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:40,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:40,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:40,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602979333] [2024-10-13 16:38:40,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602979333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:40,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:40,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:40,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269330911] [2024-10-13 16:38:40,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:40,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:40,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:40,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:40,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:40,955 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:40,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 244 transitions, 3269 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:40,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:40,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:40,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:41,945 INFO L124 PetriNetUnfolderBase]: 1754/3307 cut-off events. [2024-10-13 16:38:41,945 INFO L125 PetriNetUnfolderBase]: For 30732/30742 co-relation queries the response was YES. [2024-10-13 16:38:41,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17092 conditions, 3307 events. 1754/3307 cut-off events. For 30732/30742 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 20833 event pairs, 403 based on Foata normal form. 28/3335 useless extension candidates. Maximal degree in co-relation 16199. Up to 1226 conditions per place. [2024-10-13 16:38:41,969 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 210 selfloop transitions, 138 changer transitions 8/358 dead transitions. [2024-10-13 16:38:41,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 358 transitions, 4540 flow [2024-10-13 16:38:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 16:38:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-13 16:38:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-10-13 16:38:41,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-10-13 16:38:41,971 INFO L175 Difference]: Start difference. First operand has 223 places, 244 transitions, 3269 flow. Second operand 24 states and 341 transitions. [2024-10-13 16:38:41,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 358 transitions, 4540 flow [2024-10-13 16:38:42,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 358 transitions, 4388 flow, removed 40 selfloop flow, removed 7 redundant places. [2024-10-13 16:38:42,087 INFO L231 Difference]: Finished difference. Result has 245 places, 254 transitions, 3712 flow [2024-10-13 16:38:42,088 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3141, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3712, PETRI_PLACES=245, PETRI_TRANSITIONS=254} [2024-10-13 16:38:42,088 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 200 predicate places. [2024-10-13 16:38:42,088 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 254 transitions, 3712 flow [2024-10-13 16:38:42,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:42,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:42,088 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:42,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 16:38:42,089 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:42,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:42,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166246, now seen corresponding path program 2 times [2024-10-13 16:38:42,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:42,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165477565] [2024-10-13 16:38:42,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:42,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:42,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165477565] [2024-10-13 16:38:42,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165477565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:42,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:42,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:42,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018890175] [2024-10-13 16:38:42,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:42,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:42,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:42,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:42,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:42,463 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:42,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 254 transitions, 3712 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:42,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:42,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:42,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:43,570 INFO L124 PetriNetUnfolderBase]: 1721/3271 cut-off events. [2024-10-13 16:38:43,570 INFO L125 PetriNetUnfolderBase]: For 37281/37291 co-relation queries the response was YES. [2024-10-13 16:38:43,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17559 conditions, 3271 events. 1721/3271 cut-off events. For 37281/37291 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20776 event pairs, 606 based on Foata normal form. 46/3317 useless extension candidates. Maximal degree in co-relation 17479. Up to 2184 conditions per place. [2024-10-13 16:38:43,598 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 247 selfloop transitions, 92 changer transitions 10/351 dead transitions. [2024-10-13 16:38:43,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 351 transitions, 4639 flow [2024-10-13 16:38:43,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 16:38:43,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-13 16:38:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 338 transitions. [2024-10-13 16:38:43,599 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32007575757575757 [2024-10-13 16:38:43,599 INFO L175 Difference]: Start difference. First operand has 245 places, 254 transitions, 3712 flow. Second operand 24 states and 338 transitions. [2024-10-13 16:38:43,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 351 transitions, 4639 flow [2024-10-13 16:38:43,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 351 transitions, 4488 flow, removed 8 selfloop flow, removed 18 redundant places. [2024-10-13 16:38:43,746 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 3755 flow [2024-10-13 16:38:43,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3497, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3755, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2024-10-13 16:38:43,746 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 207 predicate places. [2024-10-13 16:38:43,746 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 3755 flow [2024-10-13 16:38:43,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:43,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:43,747 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:43,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 16:38:43,747 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:43,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:43,747 INFO L85 PathProgramCache]: Analyzing trace with hash -78545848, now seen corresponding path program 3 times [2024-10-13 16:38:43,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:43,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465917049] [2024-10-13 16:38:43,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:43,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:44,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:44,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465917049] [2024-10-13 16:38:44,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465917049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:44,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:44,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:44,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520209003] [2024-10-13 16:38:44,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:44,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:44,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:44,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:44,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:44,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:44,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 3755 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:44,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:44,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:44,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:45,090 INFO L124 PetriNetUnfolderBase]: 1682/3230 cut-off events. [2024-10-13 16:38:45,090 INFO L125 PetriNetUnfolderBase]: For 38925/38935 co-relation queries the response was YES. [2024-10-13 16:38:45,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17875 conditions, 3230 events. 1682/3230 cut-off events. For 38925/38935 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 20577 event pairs, 394 based on Foata normal form. 32/3262 useless extension candidates. Maximal degree in co-relation 16910. Up to 1160 conditions per place. [2024-10-13 16:38:45,114 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 226 selfloop transitions, 120 changer transitions 15/363 dead transitions. [2024-10-13 16:38:45,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 4945 flow [2024-10-13 16:38:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 16:38:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-13 16:38:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-10-13 16:38:45,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-10-13 16:38:45,115 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 3755 flow. Second operand 24 states and 341 transitions. [2024-10-13 16:38:45,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 4945 flow [2024-10-13 16:38:45,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 363 transitions, 4739 flow, removed 30 selfloop flow, removed 19 redundant places. [2024-10-13 16:38:45,283 INFO L231 Difference]: Finished difference. Result has 257 places, 250 transitions, 3932 flow [2024-10-13 16:38:45,283 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3542, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3932, PETRI_PLACES=257, PETRI_TRANSITIONS=250} [2024-10-13 16:38:45,284 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 212 predicate places. [2024-10-13 16:38:45,284 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 250 transitions, 3932 flow [2024-10-13 16:38:45,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:45,284 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:45,284 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:45,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 16:38:45,284 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:45,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:45,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338218, now seen corresponding path program 4 times [2024-10-13 16:38:45,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:45,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482474542] [2024-10-13 16:38:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:45,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:45,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:45,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482474542] [2024-10-13 16:38:45,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482474542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:45,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:45,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:45,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129359454] [2024-10-13 16:38:45,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:45,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:45,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:45,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:45,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:45,668 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:45,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 250 transitions, 3932 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:45,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:45,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:45,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:46,801 INFO L124 PetriNetUnfolderBase]: 1760/3392 cut-off events. [2024-10-13 16:38:46,801 INFO L125 PetriNetUnfolderBase]: For 41560/41570 co-relation queries the response was YES. [2024-10-13 16:38:46,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18924 conditions, 3392 events. 1760/3392 cut-off events. For 41560/41570 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 21943 event pairs, 561 based on Foata normal form. 26/3418 useless extension candidates. Maximal degree in co-relation 18420. Up to 2328 conditions per place. [2024-10-13 16:38:46,828 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 279 selfloop transitions, 93 changer transitions 0/374 dead transitions. [2024-10-13 16:38:46,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 374 transitions, 5227 flow [2024-10-13 16:38:46,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 16:38:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-13 16:38:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 310 transitions. [2024-10-13 16:38:46,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3202479338842975 [2024-10-13 16:38:46,830 INFO L175 Difference]: Start difference. First operand has 257 places, 250 transitions, 3932 flow. Second operand 22 states and 310 transitions. [2024-10-13 16:38:46,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 374 transitions, 5227 flow [2024-10-13 16:38:46,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 374 transitions, 5029 flow, removed 12 selfloop flow, removed 19 redundant places. [2024-10-13 16:38:46,994 INFO L231 Difference]: Finished difference. Result has 269 places, 278 transitions, 4301 flow [2024-10-13 16:38:46,994 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3750, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=4301, PETRI_PLACES=269, PETRI_TRANSITIONS=278} [2024-10-13 16:38:46,994 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 224 predicate places. [2024-10-13 16:38:46,994 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 278 transitions, 4301 flow [2024-10-13 16:38:46,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:46,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:46,995 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:46,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 16:38:46,995 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:46,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:46,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657664, now seen corresponding path program 5 times [2024-10-13 16:38:46,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:46,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432141742] [2024-10-13 16:38:46,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:46,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:47,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:47,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432141742] [2024-10-13 16:38:47,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432141742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:47,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:47,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:47,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961301853] [2024-10-13 16:38:47,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:47,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:47,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:47,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:47,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:47,327 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:47,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 278 transitions, 4301 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:47,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:47,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:47,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:48,386 INFO L124 PetriNetUnfolderBase]: 1938/3727 cut-off events. [2024-10-13 16:38:48,386 INFO L125 PetriNetUnfolderBase]: For 48332/48342 co-relation queries the response was YES. [2024-10-13 16:38:48,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21622 conditions, 3727 events. 1938/3727 cut-off events. For 48332/48342 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 24675 event pairs, 411 based on Foata normal form. 28/3755 useless extension candidates. Maximal degree in co-relation 21116. Up to 1431 conditions per place. [2024-10-13 16:38:48,425 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 244 selfloop transitions, 162 changer transitions 10/418 dead transitions. [2024-10-13 16:38:48,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 418 transitions, 6163 flow [2024-10-13 16:38:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 16:38:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-13 16:38:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-10-13 16:38:48,426 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-10-13 16:38:48,426 INFO L175 Difference]: Start difference. First operand has 269 places, 278 transitions, 4301 flow. Second operand 23 states and 320 transitions. [2024-10-13 16:38:48,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 418 transitions, 6163 flow [2024-10-13 16:38:48,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 418 transitions, 5948 flow, removed 61 selfloop flow, removed 7 redundant places. [2024-10-13 16:38:48,657 INFO L231 Difference]: Finished difference. Result has 293 places, 308 transitions, 5118 flow [2024-10-13 16:38:48,658 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4126, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5118, PETRI_PLACES=293, PETRI_TRANSITIONS=308} [2024-10-13 16:38:48,658 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 248 predicate places. [2024-10-13 16:38:48,658 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 308 transitions, 5118 flow [2024-10-13 16:38:48,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:48,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:48,658 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:48,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 16:38:48,659 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:48,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:48,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657665, now seen corresponding path program 4 times [2024-10-13 16:38:48,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:48,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277975103] [2024-10-13 16:38:48,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:48,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:48,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:48,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277975103] [2024-10-13 16:38:48,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277975103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:48,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:48,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:48,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276347869] [2024-10-13 16:38:48,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:48,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:48,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:48,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:48,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:48,987 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:48,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 308 transitions, 5118 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:48,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:48,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:48,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:49,942 INFO L124 PetriNetUnfolderBase]: 1913/3692 cut-off events. [2024-10-13 16:38:49,943 INFO L125 PetriNetUnfolderBase]: For 59065/59075 co-relation queries the response was YES. [2024-10-13 16:38:49,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22788 conditions, 3692 events. 1913/3692 cut-off events. For 59065/59075 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 24464 event pairs, 448 based on Foata normal form. 28/3720 useless extension candidates. Maximal degree in co-relation 22258. Up to 1559 conditions per place. [2024-10-13 16:38:49,978 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 214 selfloop transitions, 168 changer transitions 17/401 dead transitions. [2024-10-13 16:38:49,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 401 transitions, 6385 flow [2024-10-13 16:38:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 16:38:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-13 16:38:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 310 transitions. [2024-10-13 16:38:49,979 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30632411067193677 [2024-10-13 16:38:49,979 INFO L175 Difference]: Start difference. First operand has 293 places, 308 transitions, 5118 flow. Second operand 23 states and 310 transitions. [2024-10-13 16:38:49,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 401 transitions, 6385 flow [2024-10-13 16:38:50,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 401 transitions, 6194 flow, removed 38 selfloop flow, removed 11 redundant places. [2024-10-13 16:38:50,258 INFO L231 Difference]: Finished difference. Result has 309 places, 314 transitions, 5489 flow [2024-10-13 16:38:50,258 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4915, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5489, PETRI_PLACES=309, PETRI_TRANSITIONS=314} [2024-10-13 16:38:50,258 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 264 predicate places. [2024-10-13 16:38:50,258 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 314 transitions, 5489 flow [2024-10-13 16:38:50,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:50,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:50,259 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:50,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 16:38:50,259 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:50,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:50,259 INFO L85 PathProgramCache]: Analyzing trace with hash 519916985, now seen corresponding path program 5 times [2024-10-13 16:38:50,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:50,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451033449] [2024-10-13 16:38:50,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:50,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:50,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:50,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451033449] [2024-10-13 16:38:50,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451033449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:50,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:50,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:50,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799372676] [2024-10-13 16:38:50,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:50,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:50,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:50,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:50,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:50,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 314 transitions, 5489 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:50,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:50,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:50,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:51,827 INFO L124 PetriNetUnfolderBase]: 1899/3662 cut-off events. [2024-10-13 16:38:51,827 INFO L125 PetriNetUnfolderBase]: For 64898/64908 co-relation queries the response was YES. [2024-10-13 16:38:51,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23040 conditions, 3662 events. 1899/3662 cut-off events. For 64898/64908 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 24247 event pairs, 426 based on Foata normal form. 28/3690 useless extension candidates. Maximal degree in co-relation 22564. Up to 1504 conditions per place. [2024-10-13 16:38:51,862 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 252 selfloop transitions, 156 changer transitions 5/415 dead transitions. [2024-10-13 16:38:51,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 415 transitions, 6757 flow [2024-10-13 16:38:51,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-13 16:38:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-10-13 16:38:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 347 transitions. [2024-10-13 16:38:51,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31545454545454543 [2024-10-13 16:38:51,864 INFO L175 Difference]: Start difference. First operand has 309 places, 314 transitions, 5489 flow. Second operand 25 states and 347 transitions. [2024-10-13 16:38:51,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 415 transitions, 6757 flow [2024-10-13 16:38:52,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 415 transitions, 6557 flow, removed 18 selfloop flow, removed 15 redundant places. [2024-10-13 16:38:52,131 INFO L231 Difference]: Finished difference. Result has 321 places, 318 transitions, 5829 flow [2024-10-13 16:38:52,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5247, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5829, PETRI_PLACES=321, PETRI_TRANSITIONS=318} [2024-10-13 16:38:52,131 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 276 predicate places. [2024-10-13 16:38:52,131 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 318 transitions, 5829 flow [2024-10-13 16:38:52,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:52,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:52,132 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:52,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 16:38:52,132 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:52,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:52,132 INFO L85 PathProgramCache]: Analyzing trace with hash 519916984, now seen corresponding path program 6 times [2024-10-13 16:38:52,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:52,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869300319] [2024-10-13 16:38:52,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:52,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:52,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:52,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869300319] [2024-10-13 16:38:52,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869300319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:52,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:52,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:52,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850147834] [2024-10-13 16:38:52,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:52,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:52,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:52,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:52,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:52,457 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:52,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 318 transitions, 5829 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:52,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:52,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:52,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:53,626 INFO L124 PetriNetUnfolderBase]: 1877/3635 cut-off events. [2024-10-13 16:38:53,627 INFO L125 PetriNetUnfolderBase]: For 68882/68892 co-relation queries the response was YES. [2024-10-13 16:38:53,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23495 conditions, 3635 events. 1877/3635 cut-off events. For 68882/68892 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 24087 event pairs, 384 based on Foata normal form. 32/3667 useless extension candidates. Maximal degree in co-relation 23018. Up to 1353 conditions per place. [2024-10-13 16:38:53,663 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 275 selfloop transitions, 145 changer transitions 12/434 dead transitions. [2024-10-13 16:38:53,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 434 transitions, 7077 flow [2024-10-13 16:38:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-13 16:38:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-13 16:38:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 369 transitions. [2024-10-13 16:38:53,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32255244755244755 [2024-10-13 16:38:53,664 INFO L175 Difference]: Start difference. First operand has 321 places, 318 transitions, 5829 flow. Second operand 26 states and 369 transitions. [2024-10-13 16:38:53,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 434 transitions, 7077 flow [2024-10-13 16:38:53,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 434 transitions, 6820 flow, removed 28 selfloop flow, removed 20 redundant places. [2024-10-13 16:38:53,953 INFO L231 Difference]: Finished difference. Result has 329 places, 315 transitions, 5960 flow [2024-10-13 16:38:53,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5504, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=5960, PETRI_PLACES=329, PETRI_TRANSITIONS=315} [2024-10-13 16:38:53,953 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 284 predicate places. [2024-10-13 16:38:53,954 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 315 transitions, 5960 flow [2024-10-13 16:38:53,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:53,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:53,954 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:53,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 16:38:53,954 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:53,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:53,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338217, now seen corresponding path program 6 times [2024-10-13 16:38:53,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:53,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556008257] [2024-10-13 16:38:53,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:53,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:54,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:54,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556008257] [2024-10-13 16:38:54,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556008257] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:54,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:54,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:54,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435123586] [2024-10-13 16:38:54,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:54,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:54,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:54,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:54,335 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:54,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 315 transitions, 5960 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:54,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:54,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:54,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:55,406 INFO L124 PetriNetUnfolderBase]: 1816/3548 cut-off events. [2024-10-13 16:38:55,406 INFO L125 PetriNetUnfolderBase]: For 71022/71032 co-relation queries the response was YES. [2024-10-13 16:38:55,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23426 conditions, 3548 events. 1816/3548 cut-off events. For 71022/71032 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 23540 event pairs, 635 based on Foata normal form. 44/3592 useless extension candidates. Maximal degree in co-relation 23078. Up to 2500 conditions per place. [2024-10-13 16:38:55,439 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 287 selfloop transitions, 93 changer transitions 11/393 dead transitions. [2024-10-13 16:38:55,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 393 transitions, 6953 flow [2024-10-13 16:38:55,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 16:38:55,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-13 16:38:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 270 transitions. [2024-10-13 16:38:55,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229665071770335 [2024-10-13 16:38:55,440 INFO L175 Difference]: Start difference. First operand has 329 places, 315 transitions, 5960 flow. Second operand 19 states and 270 transitions. [2024-10-13 16:38:55,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 393 transitions, 6953 flow [2024-10-13 16:38:55,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 393 transitions, 6745 flow, removed 9 selfloop flow, removed 22 redundant places. [2024-10-13 16:38:55,770 INFO L231 Difference]: Finished difference. Result has 327 places, 309 transitions, 5885 flow [2024-10-13 16:38:55,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5712, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5885, PETRI_PLACES=327, PETRI_TRANSITIONS=309} [2024-10-13 16:38:55,771 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 282 predicate places. [2024-10-13 16:38:55,771 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 309 transitions, 5885 flow [2024-10-13 16:38:55,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:55,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:55,771 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:55,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 16:38:55,772 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:55,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:55,772 INFO L85 PathProgramCache]: Analyzing trace with hash -2066189308, now seen corresponding path program 2 times [2024-10-13 16:38:55,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:55,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593080934] [2024-10-13 16:38:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:55,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:56,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:56,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593080934] [2024-10-13 16:38:56,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593080934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:56,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:56,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 16:38:56,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019164008] [2024-10-13 16:38:56,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:56,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 16:38:56,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:56,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 16:38:56,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:38:56,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:56,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 309 transitions, 5885 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) [2024-10-13 16:38:56,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:56,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:56,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:56,903 INFO L124 PetriNetUnfolderBase]: 1854/3601 cut-off events. [2024-10-13 16:38:56,903 INFO L125 PetriNetUnfolderBase]: For 71085/71095 co-relation queries the response was YES. [2024-10-13 16:38:56,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23829 conditions, 3601 events. 1854/3601 cut-off events. For 71085/71095 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 23913 event pairs, 692 based on Foata normal form. 34/3635 useless extension candidates. Maximal degree in co-relation 23611. Up to 2701 conditions per place. [2024-10-13 16:38:56,992 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 276 selfloop transitions, 83 changer transitions 4/365 dead transitions. [2024-10-13 16:38:56,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 365 transitions, 7014 flow [2024-10-13 16:38:56,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 16:38:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-13 16:38:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 206 transitions. [2024-10-13 16:38:56,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31212121212121213 [2024-10-13 16:38:56,993 INFO L175 Difference]: Start difference. First operand has 327 places, 309 transitions, 5885 flow. Second operand 15 states and 206 transitions. [2024-10-13 16:38:56,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 365 transitions, 7014 flow [2024-10-13 16:38:57,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 365 transitions, 6816 flow, removed 6 selfloop flow, removed 19 redundant places. [2024-10-13 16:38:57,246 INFO L231 Difference]: Finished difference. Result has 323 places, 318 transitions, 6079 flow [2024-10-13 16:38:57,246 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5687, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6079, PETRI_PLACES=323, PETRI_TRANSITIONS=318} [2024-10-13 16:38:57,246 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 278 predicate places. [2024-10-13 16:38:57,246 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 318 transitions, 6079 flow [2024-10-13 16:38:57,247 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) [2024-10-13 16:38:57,247 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:57,247 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:57,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-13 16:38:57,247 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:57,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:57,247 INFO L85 PathProgramCache]: Analyzing trace with hash -407316663, now seen corresponding path program 2 times [2024-10-13 16:38:57,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:57,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144467313] [2024-10-13 16:38:57,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:57,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:57,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:57,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144467313] [2024-10-13 16:38:57,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144467313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:57,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:57,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:38:57,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620099579] [2024-10-13 16:38:57,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:57,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:38:57,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:57,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:38:57,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:38:57,450 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:57,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 318 transitions, 6079 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) [2024-10-13 16:38:57,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:57,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:57,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:38:58,374 INFO L124 PetriNetUnfolderBase]: 2043/4156 cut-off events. [2024-10-13 16:38:58,375 INFO L125 PetriNetUnfolderBase]: For 76960/76966 co-relation queries the response was YES. [2024-10-13 16:38:58,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26712 conditions, 4156 events. 2043/4156 cut-off events. For 76960/76966 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 30599 event pairs, 390 based on Foata normal form. 40/4196 useless extension candidates. Maximal degree in co-relation 26262. Up to 1483 conditions per place. [2024-10-13 16:38:58,407 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 354 selfloop transitions, 139 changer transitions 0/495 dead transitions. [2024-10-13 16:38:58,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 495 transitions, 9808 flow [2024-10-13 16:38:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 16:38:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 16:38:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 201 transitions. [2024-10-13 16:38:58,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3806818181818182 [2024-10-13 16:38:58,408 INFO L175 Difference]: Start difference. First operand has 323 places, 318 transitions, 6079 flow. Second operand 12 states and 201 transitions. [2024-10-13 16:38:58,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 495 transitions, 9808 flow [2024-10-13 16:38:58,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 495 transitions, 9659 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-10-13 16:38:58,692 INFO L231 Difference]: Finished difference. Result has 332 places, 357 transitions, 7005 flow [2024-10-13 16:38:58,692 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5857, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7005, PETRI_PLACES=332, PETRI_TRANSITIONS=357} [2024-10-13 16:38:58,692 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 287 predicate places. [2024-10-13 16:38:58,693 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 357 transitions, 7005 flow [2024-10-13 16:38:58,693 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) [2024-10-13 16:38:58,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:38:58,693 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:38:58,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-13 16:38:58,693 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:38:58,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:38:58,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1896540771, now seen corresponding path program 7 times [2024-10-13 16:38:58,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:38:58,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995258470] [2024-10-13 16:38:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:38:58,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:38:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:38:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:38:59,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:38:59,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995258470] [2024-10-13 16:38:59,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995258470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:38:59,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:38:59,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:38:59,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964868708] [2024-10-13 16:38:59,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:38:59,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:38:59,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:38:59,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:38:59,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:38:59,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:38:59,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 357 transitions, 7005 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:38:59,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:38:59,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:38:59,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:00,387 INFO L124 PetriNetUnfolderBase]: 2311/4660 cut-off events. [2024-10-13 16:39:00,387 INFO L125 PetriNetUnfolderBase]: For 96661/96667 co-relation queries the response was YES. [2024-10-13 16:39:00,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31988 conditions, 4660 events. 2311/4660 cut-off events. For 96661/96667 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 34354 event pairs, 715 based on Foata normal form. 96/4756 useless extension candidates. Maximal degree in co-relation 31442. Up to 2389 conditions per place. [2024-10-13 16:39:00,435 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 365 selfloop transitions, 129 changer transitions 9/505 dead transitions. [2024-10-13 16:39:00,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 505 transitions, 9658 flow [2024-10-13 16:39:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 16:39:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-13 16:39:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 330 transitions. [2024-10-13 16:39:00,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3125 [2024-10-13 16:39:00,436 INFO L175 Difference]: Start difference. First operand has 332 places, 357 transitions, 7005 flow. Second operand 24 states and 330 transitions. [2024-10-13 16:39:00,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 505 transitions, 9658 flow [2024-10-13 16:39:00,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 505 transitions, 9589 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-10-13 16:39:00,861 INFO L231 Difference]: Finished difference. Result has 356 places, 376 transitions, 7827 flow [2024-10-13 16:39:00,861 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6936, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7827, PETRI_PLACES=356, PETRI_TRANSITIONS=376} [2024-10-13 16:39:00,862 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 311 predicate places. [2024-10-13 16:39:00,862 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 376 transitions, 7827 flow [2024-10-13 16:39:00,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:00,862 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:00,862 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:00,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-13 16:39:00,862 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:00,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:00,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1923729685, now seen corresponding path program 3 times [2024-10-13 16:39:00,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:00,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564607179] [2024-10-13 16:39:00,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:00,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:01,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:01,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564607179] [2024-10-13 16:39:01,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564607179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:01,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:01,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 16:39:01,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879564588] [2024-10-13 16:39:01,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:01,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 16:39:01,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:01,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 16:39:01,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:39:01,109 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:01,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 376 transitions, 7827 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) [2024-10-13 16:39:01,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:01,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:01,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:02,575 INFO L124 PetriNetUnfolderBase]: 2262/4571 cut-off events. [2024-10-13 16:39:02,575 INFO L125 PetriNetUnfolderBase]: For 102715/102721 co-relation queries the response was YES. [2024-10-13 16:39:02,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32452 conditions, 4571 events. 2262/4571 cut-off events. For 102715/102721 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 33469 event pairs, 787 based on Foata normal form. 30/4599 useless extension candidates. Maximal degree in co-relation 31969. Up to 3133 conditions per place. [2024-10-13 16:39:02,630 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 265 selfloop transitions, 132 changer transitions 56/455 dead transitions. [2024-10-13 16:39:02,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 455 transitions, 9284 flow [2024-10-13 16:39:02,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-13 16:39:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-13 16:39:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 320 transitions. [2024-10-13 16:39:02,631 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27972027972027974 [2024-10-13 16:39:02,631 INFO L175 Difference]: Start difference. First operand has 356 places, 376 transitions, 7827 flow. Second operand 26 states and 320 transitions. [2024-10-13 16:39:02,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 455 transitions, 9284 flow [2024-10-13 16:39:03,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 455 transitions, 9008 flow, removed 27 selfloop flow, removed 14 redundant places. [2024-10-13 16:39:03,130 INFO L231 Difference]: Finished difference. Result has 366 places, 353 transitions, 7284 flow [2024-10-13 16:39:03,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7519, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7284, PETRI_PLACES=366, PETRI_TRANSITIONS=353} [2024-10-13 16:39:03,131 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 321 predicate places. [2024-10-13 16:39:03,131 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 353 transitions, 7284 flow [2024-10-13 16:39:03,131 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) [2024-10-13 16:39:03,131 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:03,131 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:03,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 16:39:03,132 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:03,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:03,132 INFO L85 PathProgramCache]: Analyzing trace with hash -644506552, now seen corresponding path program 7 times [2024-10-13 16:39:03,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:03,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034674674] [2024-10-13 16:39:03,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:03,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:03,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:03,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034674674] [2024-10-13 16:39:03,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034674674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:03,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:03,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:39:03,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079710749] [2024-10-13 16:39:03,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:03,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:39:03,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:03,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:39:03,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:39:03,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:03,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 353 transitions, 7284 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:03,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:03,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:03,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:04,698 INFO L124 PetriNetUnfolderBase]: 2012/4169 cut-off events. [2024-10-13 16:39:04,699 INFO L125 PetriNetUnfolderBase]: For 90445/90447 co-relation queries the response was YES. [2024-10-13 16:39:04,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27801 conditions, 4169 events. 2012/4169 cut-off events. For 90445/90447 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 30816 event pairs, 617 based on Foata normal form. 116/4285 useless extension candidates. Maximal degree in co-relation 27319. Up to 2231 conditions per place. [2024-10-13 16:39:04,743 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 340 selfloop transitions, 118 changer transitions 15/475 dead transitions. [2024-10-13 16:39:04,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 475 transitions, 9184 flow [2024-10-13 16:39:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 16:39:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-13 16:39:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-10-13 16:39:04,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-10-13 16:39:04,744 INFO L175 Difference]: Start difference. First operand has 366 places, 353 transitions, 7284 flow. Second operand 23 states and 320 transitions. [2024-10-13 16:39:04,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 475 transitions, 9184 flow [2024-10-13 16:39:05,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 475 transitions, 8901 flow, removed 39 selfloop flow, removed 19 redundant places. [2024-10-13 16:39:05,114 INFO L231 Difference]: Finished difference. Result has 362 places, 350 transitions, 7301 flow [2024-10-13 16:39:05,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6945, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7301, PETRI_PLACES=362, PETRI_TRANSITIONS=350} [2024-10-13 16:39:05,114 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 317 predicate places. [2024-10-13 16:39:05,114 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 350 transitions, 7301 flow [2024-10-13 16:39:05,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:05,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:05,114 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:05,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-13 16:39:05,115 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:05,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:05,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830186, now seen corresponding path program 3 times [2024-10-13 16:39:05,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:05,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369209885] [2024-10-13 16:39:05,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:05,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:05,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369209885] [2024-10-13 16:39:05,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369209885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:05,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:05,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 16:39:05,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670360887] [2024-10-13 16:39:05,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:05,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:39:05,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:05,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:39:05,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:39:05,283 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:05,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 350 transitions, 7301 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) [2024-10-13 16:39:05,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:05,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:05,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:06,406 INFO L124 PetriNetUnfolderBase]: 2272/4704 cut-off events. [2024-10-13 16:39:06,407 INFO L125 PetriNetUnfolderBase]: For 91966/91968 co-relation queries the response was YES. [2024-10-13 16:39:06,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32029 conditions, 4704 events. 2272/4704 cut-off events. For 91966/91968 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 35623 event pairs, 843 based on Foata normal form. 26/4730 useless extension candidates. Maximal degree in co-relation 31589. Up to 1040 conditions per place. [2024-10-13 16:39:06,455 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 285 selfloop transitions, 177 changer transitions 0/464 dead transitions. [2024-10-13 16:39:06,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 464 transitions, 9234 flow [2024-10-13 16:39:06,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 16:39:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-13 16:39:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 303 transitions. [2024-10-13 16:39:06,456 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3443181818181818 [2024-10-13 16:39:06,456 INFO L175 Difference]: Start difference. First operand has 362 places, 350 transitions, 7301 flow. Second operand 20 states and 303 transitions. [2024-10-13 16:39:06,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 464 transitions, 9234 flow [2024-10-13 16:39:06,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 464 transitions, 9050 flow, removed 16 selfloop flow, removed 16 redundant places. [2024-10-13 16:39:06,840 INFO L231 Difference]: Finished difference. Result has 369 places, 370 transitions, 7922 flow [2024-10-13 16:39:06,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7135, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7922, PETRI_PLACES=369, PETRI_TRANSITIONS=370} [2024-10-13 16:39:06,841 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 324 predicate places. [2024-10-13 16:39:06,842 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 370 transitions, 7922 flow [2024-10-13 16:39:06,842 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) [2024-10-13 16:39:06,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:06,842 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:06,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-13 16:39:06,842 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:06,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:06,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830187, now seen corresponding path program 4 times [2024-10-13 16:39:06,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:06,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436595264] [2024-10-13 16:39:06,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:06,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:07,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:07,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436595264] [2024-10-13 16:39:07,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436595264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:07,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:07,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:39:07,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285703873] [2024-10-13 16:39:07,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:07,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:39:07,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:07,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:39:07,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:39:07,017 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:07,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 370 transitions, 7922 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) [2024-10-13 16:39:07,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:07,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:07,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:08,029 INFO L124 PetriNetUnfolderBase]: 2107/4382 cut-off events. [2024-10-13 16:39:08,030 INFO L125 PetriNetUnfolderBase]: For 82113/82115 co-relation queries the response was YES. [2024-10-13 16:39:08,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29678 conditions, 4382 events. 2107/4382 cut-off events. For 82113/82115 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 33331 event pairs, 556 based on Foata normal form. 38/4420 useless extension candidates. Maximal degree in co-relation 29167. Up to 1362 conditions per place. [2024-10-13 16:39:08,078 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 312 selfloop transitions, 160 changer transitions 0/474 dead transitions. [2024-10-13 16:39:08,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 474 transitions, 10645 flow [2024-10-13 16:39:08,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 16:39:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 16:39:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 206 transitions. [2024-10-13 16:39:08,079 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39015151515151514 [2024-10-13 16:39:08,079 INFO L175 Difference]: Start difference. First operand has 369 places, 370 transitions, 7922 flow. Second operand 12 states and 206 transitions. [2024-10-13 16:39:08,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 474 transitions, 10645 flow [2024-10-13 16:39:08,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 474 transitions, 10299 flow, removed 68 selfloop flow, removed 14 redundant places. [2024-10-13 16:39:08,420 INFO L231 Difference]: Finished difference. Result has 372 places, 404 transitions, 8842 flow [2024-10-13 16:39:08,421 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7454, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8842, PETRI_PLACES=372, PETRI_TRANSITIONS=404} [2024-10-13 16:39:08,421 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 327 predicate places. [2024-10-13 16:39:08,421 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 404 transitions, 8842 flow [2024-10-13 16:39:08,421 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) [2024-10-13 16:39:08,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:08,421 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:08,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-13 16:39:08,422 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:08,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:08,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1312180764, now seen corresponding path program 8 times [2024-10-13 16:39:08,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:08,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114467872] [2024-10-13 16:39:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:08,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:08,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114467872] [2024-10-13 16:39:08,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114467872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:08,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:08,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:39:08,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050280706] [2024-10-13 16:39:08,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:08,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:39:08,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:08,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:39:08,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:39:08,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:08,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 404 transitions, 8842 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:08,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:08,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:08,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:09,974 INFO L124 PetriNetUnfolderBase]: 2007/4222 cut-off events. [2024-10-13 16:39:09,975 INFO L125 PetriNetUnfolderBase]: For 83401/83403 co-relation queries the response was YES. [2024-10-13 16:39:10,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28751 conditions, 4222 events. 2007/4222 cut-off events. For 83401/83403 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 31851 event pairs, 547 based on Foata normal form. 92/4312 useless extension candidates. Maximal degree in co-relation 28381. Up to 2173 conditions per place. [2024-10-13 16:39:10,020 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 407 selfloop transitions, 112 changer transitions 0/521 dead transitions. [2024-10-13 16:39:10,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 521 transitions, 11140 flow [2024-10-13 16:39:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 16:39:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-13 16:39:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 275 transitions. [2024-10-13 16:39:10,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3125 [2024-10-13 16:39:10,021 INFO L175 Difference]: Start difference. First operand has 372 places, 404 transitions, 8842 flow. Second operand 20 states and 275 transitions. [2024-10-13 16:39:10,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 521 transitions, 11140 flow [2024-10-13 16:39:10,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 521 transitions, 11085 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-10-13 16:39:10,356 INFO L231 Difference]: Finished difference. Result has 393 places, 411 transitions, 9341 flow [2024-10-13 16:39:10,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8757, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=9341, PETRI_PLACES=393, PETRI_TRANSITIONS=411} [2024-10-13 16:39:10,357 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 348 predicate places. [2024-10-13 16:39:10,357 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 411 transitions, 9341 flow [2024-10-13 16:39:10,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:10,357 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:10,357 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:10,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-13 16:39:10,357 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:10,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:10,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1258730295, now seen corresponding path program 5 times [2024-10-13 16:39:10,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:10,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699782362] [2024-10-13 16:39:10,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:10,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:10,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:10,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699782362] [2024-10-13 16:39:10,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699782362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:10,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:10,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:39:10,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254490121] [2024-10-13 16:39:10,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:10,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:39:10,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:10,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:39:10,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:39:10,528 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:10,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 411 transitions, 9341 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) [2024-10-13 16:39:10,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:10,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:10,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:11,413 INFO L124 PetriNetUnfolderBase]: 1714/3649 cut-off events. [2024-10-13 16:39:11,413 INFO L125 PetriNetUnfolderBase]: For 72119/72121 co-relation queries the response was YES. [2024-10-13 16:39:11,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25343 conditions, 3649 events. 1714/3649 cut-off events. For 72119/72121 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 27047 event pairs, 564 based on Foata normal form. 48/3697 useless extension candidates. Maximal degree in co-relation 24968. Up to 1204 conditions per place. [2024-10-13 16:39:11,448 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 297 selfloop transitions, 138 changer transitions 0/437 dead transitions. [2024-10-13 16:39:11,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 437 transitions, 9794 flow [2024-10-13 16:39:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 16:39:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 16:39:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 228 transitions. [2024-10-13 16:39:11,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4318181818181818 [2024-10-13 16:39:11,449 INFO L175 Difference]: Start difference. First operand has 393 places, 411 transitions, 9341 flow. Second operand 12 states and 228 transitions. [2024-10-13 16:39:11,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 437 transitions, 9794 flow [2024-10-13 16:39:11,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 437 transitions, 9341 flow, removed 88 selfloop flow, removed 19 redundant places. [2024-10-13 16:39:11,750 INFO L231 Difference]: Finished difference. Result has 388 places, 375 transitions, 8346 flow [2024-10-13 16:39:11,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7918, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8346, PETRI_PLACES=388, PETRI_TRANSITIONS=375} [2024-10-13 16:39:11,751 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 343 predicate places. [2024-10-13 16:39:11,751 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 375 transitions, 8346 flow [2024-10-13 16:39:11,751 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) [2024-10-13 16:39:11,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:11,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:11,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-13 16:39:11,751 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:11,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:11,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1517259303, now seen corresponding path program 8 times [2024-10-13 16:39:11,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:11,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303843677] [2024-10-13 16:39:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:12,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:12,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:12,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303843677] [2024-10-13 16:39:12,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303843677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:12,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:12,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:39:12,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615491103] [2024-10-13 16:39:12,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:12,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:39:12,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:12,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:39:12,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:39:12,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:12,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 375 transitions, 8346 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:12,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:12,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:12,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:13,105 INFO L124 PetriNetUnfolderBase]: 1618/3523 cut-off events. [2024-10-13 16:39:13,105 INFO L125 PetriNetUnfolderBase]: For 61140/61142 co-relation queries the response was YES. [2024-10-13 16:39:13,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23067 conditions, 3523 events. 1618/3523 cut-off events. For 61140/61142 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 26254 event pairs, 570 based on Foata normal form. 92/3613 useless extension candidates. Maximal degree in co-relation 22768. Up to 2255 conditions per place. [2024-10-13 16:39:13,135 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 360 selfloop transitions, 88 changer transitions 16/466 dead transitions. [2024-10-13 16:39:13,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 466 transitions, 10199 flow [2024-10-13 16:39:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 16:39:13,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-13 16:39:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 254 transitions. [2024-10-13 16:39:13,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3038277511961722 [2024-10-13 16:39:13,136 INFO L175 Difference]: Start difference. First operand has 388 places, 375 transitions, 8346 flow. Second operand 19 states and 254 transitions. [2024-10-13 16:39:13,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 466 transitions, 10199 flow [2024-10-13 16:39:13,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 466 transitions, 9925 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-10-13 16:39:13,409 INFO L231 Difference]: Finished difference. Result has 400 places, 368 transitions, 8208 flow [2024-10-13 16:39:13,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8030, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8208, PETRI_PLACES=400, PETRI_TRANSITIONS=368} [2024-10-13 16:39:13,410 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 355 predicate places. [2024-10-13 16:39:13,410 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 368 transitions, 8208 flow [2024-10-13 16:39:13,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:13,410 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:13,410 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:13,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-13 16:39:13,410 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:13,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:13,411 INFO L85 PathProgramCache]: Analyzing trace with hash -877752948, now seen corresponding path program 1 times [2024-10-13 16:39:13,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:13,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601499459] [2024-10-13 16:39:13,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:13,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:13,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:13,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601499459] [2024-10-13 16:39:13,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601499459] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:13,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:13,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:39:13,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118899525] [2024-10-13 16:39:13,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:13,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:39:13,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:13,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:39:13,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:39:13,782 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:13,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 368 transitions, 8208 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:13,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:13,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:13,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:14,690 INFO L124 PetriNetUnfolderBase]: 1579/3444 cut-off events. [2024-10-13 16:39:14,691 INFO L125 PetriNetUnfolderBase]: For 58068/58070 co-relation queries the response was YES. [2024-10-13 16:39:14,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22831 conditions, 3444 events. 1579/3444 cut-off events. For 58068/58070 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 25651 event pairs, 591 based on Foata normal form. 10/3452 useless extension candidates. Maximal degree in co-relation 22431. Up to 2736 conditions per place. [2024-10-13 16:39:14,789 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 340 selfloop transitions, 71 changer transitions 0/413 dead transitions. [2024-10-13 16:39:14,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 413 transitions, 9406 flow [2024-10-13 16:39:14,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 16:39:14,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-13 16:39:14,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 176 transitions. [2024-10-13 16:39:14,790 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-10-13 16:39:14,790 INFO L175 Difference]: Start difference. First operand has 400 places, 368 transitions, 8208 flow. Second operand 14 states and 176 transitions. [2024-10-13 16:39:14,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 413 transitions, 9406 flow [2024-10-13 16:39:15,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 413 transitions, 9231 flow, removed 4 selfloop flow, removed 19 redundant places. [2024-10-13 16:39:15,102 INFO L231 Difference]: Finished difference. Result has 395 places, 371 transitions, 8268 flow [2024-10-13 16:39:15,103 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8033, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8268, PETRI_PLACES=395, PETRI_TRANSITIONS=371} [2024-10-13 16:39:15,103 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 350 predicate places. [2024-10-13 16:39:15,103 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 371 transitions, 8268 flow [2024-10-13 16:39:15,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:15,104 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:15,104 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:15,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-13 16:39:15,104 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:15,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:15,105 INFO L85 PathProgramCache]: Analyzing trace with hash -2018172101, now seen corresponding path program 1 times [2024-10-13 16:39:15,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:15,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329132592] [2024-10-13 16:39:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:15,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:15,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:15,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329132592] [2024-10-13 16:39:15,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329132592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:15,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:15,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:39:15,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126792250] [2024-10-13 16:39:15,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:15,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:39:15,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:15,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:39:15,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:39:15,479 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:15,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 371 transitions, 8268 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:15,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:15,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:15,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:16,510 INFO L124 PetriNetUnfolderBase]: 1569/3436 cut-off events. [2024-10-13 16:39:16,510 INFO L125 PetriNetUnfolderBase]: For 56587/56589 co-relation queries the response was YES. [2024-10-13 16:39:16,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22671 conditions, 3436 events. 1569/3436 cut-off events. For 56587/56589 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 25539 event pairs, 566 based on Foata normal form. 10/3446 useless extension candidates. Maximal degree in co-relation 22346. Up to 2393 conditions per place. [2024-10-13 16:39:16,548 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 271 selfloop transitions, 119 changer transitions 32/424 dead transitions. [2024-10-13 16:39:16,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 424 transitions, 9342 flow [2024-10-13 16:39:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 16:39:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-13 16:39:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 296 transitions. [2024-10-13 16:39:16,550 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2803030303030303 [2024-10-13 16:39:16,550 INFO L175 Difference]: Start difference. First operand has 395 places, 371 transitions, 8268 flow. Second operand 24 states and 296 transitions. [2024-10-13 16:39:16,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 424 transitions, 9342 flow [2024-10-13 16:39:16,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 424 transitions, 9122 flow, removed 10 selfloop flow, removed 11 redundant places. [2024-10-13 16:39:16,831 INFO L231 Difference]: Finished difference. Result has 407 places, 349 transitions, 7751 flow [2024-10-13 16:39:16,831 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7975, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7751, PETRI_PLACES=407, PETRI_TRANSITIONS=349} [2024-10-13 16:39:16,832 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 362 predicate places. [2024-10-13 16:39:16,832 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 349 transitions, 7751 flow [2024-10-13 16:39:16,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:16,832 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:16,832 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:16,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-13 16:39:16,832 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:16,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:16,833 INFO L85 PathProgramCache]: Analyzing trace with hash -889051222, now seen corresponding path program 2 times [2024-10-13 16:39:16,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:16,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952345750] [2024-10-13 16:39:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:16,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:17,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:17,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952345750] [2024-10-13 16:39:17,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952345750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:17,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:17,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:39:17,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766375818] [2024-10-13 16:39:17,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:17,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:39:17,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:17,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:39:17,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:39:17,185 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:17,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 349 transitions, 7751 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:17,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:17,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:17,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:18,024 INFO L124 PetriNetUnfolderBase]: 1509/3306 cut-off events. [2024-10-13 16:39:18,024 INFO L125 PetriNetUnfolderBase]: For 54323/54325 co-relation queries the response was YES. [2024-10-13 16:39:18,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21792 conditions, 3306 events. 1509/3306 cut-off events. For 54323/54325 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 24469 event pairs, 580 based on Foata normal form. 10/3314 useless extension candidates. Maximal degree in co-relation 21689. Up to 2736 conditions per place. [2024-10-13 16:39:18,056 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 326 selfloop transitions, 63 changer transitions 2/393 dead transitions. [2024-10-13 16:39:18,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 393 transitions, 8793 flow [2024-10-13 16:39:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 16:39:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-13 16:39:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 203 transitions. [2024-10-13 16:39:18,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2713903743315508 [2024-10-13 16:39:18,057 INFO L175 Difference]: Start difference. First operand has 407 places, 349 transitions, 7751 flow. Second operand 17 states and 203 transitions. [2024-10-13 16:39:18,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 393 transitions, 8793 flow [2024-10-13 16:39:18,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 393 transitions, 8362 flow, removed 33 selfloop flow, removed 28 redundant places. [2024-10-13 16:39:18,305 INFO L231 Difference]: Finished difference. Result has 386 places, 348 transitions, 7425 flow [2024-10-13 16:39:18,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7299, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7425, PETRI_PLACES=386, PETRI_TRANSITIONS=348} [2024-10-13 16:39:18,306 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 341 predicate places. [2024-10-13 16:39:18,306 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 348 transitions, 7425 flow [2024-10-13 16:39:18,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:18,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:18,306 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:18,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-13 16:39:18,306 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:18,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:18,306 INFO L85 PathProgramCache]: Analyzing trace with hash -877752947, now seen corresponding path program 2 times [2024-10-13 16:39:18,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:18,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789642474] [2024-10-13 16:39:18,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:18,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:18,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:18,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789642474] [2024-10-13 16:39:18,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789642474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:18,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:18,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:39:18,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108854220] [2024-10-13 16:39:18,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:18,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:39:18,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:18,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:39:18,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:39:18,637 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:18,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 348 transitions, 7425 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:18,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:18,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:18,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:19,754 INFO L124 PetriNetUnfolderBase]: 1489/3288 cut-off events. [2024-10-13 16:39:19,754 INFO L125 PetriNetUnfolderBase]: For 47497/47499 co-relation queries the response was YES. [2024-10-13 16:39:19,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21336 conditions, 3288 events. 1489/3288 cut-off events. For 47497/47499 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 24371 event pairs, 543 based on Foata normal form. 18/3304 useless extension candidates. Maximal degree in co-relation 21242. Up to 2375 conditions per place. [2024-10-13 16:39:19,783 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 205 selfloop transitions, 130 changer transitions 50/387 dead transitions. [2024-10-13 16:39:19,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 387 transitions, 8346 flow [2024-10-13 16:39:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-13 16:39:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-13 16:39:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 279 transitions. [2024-10-13 16:39:19,784 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24388111888111888 [2024-10-13 16:39:19,784 INFO L175 Difference]: Start difference. First operand has 386 places, 348 transitions, 7425 flow. Second operand 26 states and 279 transitions. [2024-10-13 16:39:19,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 387 transitions, 8346 flow [2024-10-13 16:39:20,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 387 transitions, 7965 flow, removed 8 selfloop flow, removed 23 redundant places. [2024-10-13 16:39:20,029 INFO L231 Difference]: Finished difference. Result has 381 places, 312 transitions, 6734 flow [2024-10-13 16:39:20,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6978, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6734, PETRI_PLACES=381, PETRI_TRANSITIONS=312} [2024-10-13 16:39:20,029 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 336 predicate places. [2024-10-13 16:39:20,030 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 312 transitions, 6734 flow [2024-10-13 16:39:20,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:20,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:20,030 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:20,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-13 16:39:20,030 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:20,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:20,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1573125196, now seen corresponding path program 1 times [2024-10-13 16:39:20,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:20,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360737743] [2024-10-13 16:39:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:20,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:20,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360737743] [2024-10-13 16:39:20,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360737743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:20,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:20,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 16:39:20,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235289875] [2024-10-13 16:39:20,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:20,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 16:39:20,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:20,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 16:39:20,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:39:20,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:20,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 312 transitions, 6734 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:20,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:20,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:20,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:21,683 INFO L124 PetriNetUnfolderBase]: 1494/3305 cut-off events. [2024-10-13 16:39:21,684 INFO L125 PetriNetUnfolderBase]: For 49827/49829 co-relation queries the response was YES. [2024-10-13 16:39:21,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21743 conditions, 3305 events. 1494/3305 cut-off events. For 49827/49829 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 24668 event pairs, 346 based on Foata normal form. 26/3331 useless extension candidates. Maximal degree in co-relation 21656. Up to 1855 conditions per place. [2024-10-13 16:39:21,716 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 338 selfloop transitions, 125 changer transitions 2/467 dead transitions. [2024-10-13 16:39:21,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 467 transitions, 9247 flow [2024-10-13 16:39:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-13 16:39:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-10-13 16:39:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 365 transitions. [2024-10-13 16:39:21,717 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2962662337662338 [2024-10-13 16:39:21,717 INFO L175 Difference]: Start difference. First operand has 381 places, 312 transitions, 6734 flow. Second operand 28 states and 365 transitions. [2024-10-13 16:39:21,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 467 transitions, 9247 flow [2024-10-13 16:39:21,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 467 transitions, 8529 flow, removed 29 selfloop flow, removed 36 redundant places. [2024-10-13 16:39:22,003 INFO L231 Difference]: Finished difference. Result has 353 places, 335 transitions, 6809 flow [2024-10-13 16:39:22,003 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6116, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=6809, PETRI_PLACES=353, PETRI_TRANSITIONS=335} [2024-10-13 16:39:22,003 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 308 predicate places. [2024-10-13 16:39:22,004 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 335 transitions, 6809 flow [2024-10-13 16:39:22,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:22,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:22,004 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:22,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-13 16:39:22,004 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:22,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:22,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1573125195, now seen corresponding path program 1 times [2024-10-13 16:39:22,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:22,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462450778] [2024-10-13 16:39:22,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:22,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:22,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:22,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462450778] [2024-10-13 16:39:22,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462450778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:22,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:22,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 16:39:22,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034996390] [2024-10-13 16:39:22,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:22,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 16:39:22,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:22,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 16:39:22,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:39:22,341 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:22,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 335 transitions, 6809 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:22,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:22,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:22,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:23,650 INFO L124 PetriNetUnfolderBase]: 1472/3273 cut-off events. [2024-10-13 16:39:23,650 INFO L125 PetriNetUnfolderBase]: For 47386/47388 co-relation queries the response was YES. [2024-10-13 16:39:23,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21333 conditions, 3273 events. 1472/3273 cut-off events. For 47386/47388 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 24458 event pairs, 433 based on Foata normal form. 26/3299 useless extension candidates. Maximal degree in co-relation 21249. Up to 2091 conditions per place. [2024-10-13 16:39:23,682 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 334 selfloop transitions, 110 changer transitions 10/456 dead transitions. [2024-10-13 16:39:23,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 456 transitions, 8776 flow [2024-10-13 16:39:23,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-13 16:39:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-10-13 16:39:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 350 transitions. [2024-10-13 16:39:23,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2946127946127946 [2024-10-13 16:39:23,683 INFO L175 Difference]: Start difference. First operand has 353 places, 335 transitions, 6809 flow. Second operand 27 states and 350 transitions. [2024-10-13 16:39:23,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 456 transitions, 8776 flow [2024-10-13 16:39:23,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 456 transitions, 8559 flow, removed 56 selfloop flow, removed 13 redundant places. [2024-10-13 16:39:23,912 INFO L231 Difference]: Finished difference. Result has 368 places, 332 transitions, 6803 flow [2024-10-13 16:39:23,912 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6556, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=6803, PETRI_PLACES=368, PETRI_TRANSITIONS=332} [2024-10-13 16:39:23,912 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 323 predicate places. [2024-10-13 16:39:23,912 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 332 transitions, 6803 flow [2024-10-13 16:39:23,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:23,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:23,913 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:23,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-13 16:39:23,913 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:23,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:23,913 INFO L85 PathProgramCache]: Analyzing trace with hash 82186034, now seen corresponding path program 2 times [2024-10-13 16:39:23,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:23,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363378361] [2024-10-13 16:39:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:23,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:24,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:24,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:24,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363378361] [2024-10-13 16:39:24,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363378361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:24,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:24,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 16:39:24,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686932846] [2024-10-13 16:39:24,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:24,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 16:39:24,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:24,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 16:39:24,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:39:24,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:24,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 332 transitions, 6803 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:24,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:24,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:24,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:25,377 INFO L124 PetriNetUnfolderBase]: 1456/3267 cut-off events. [2024-10-13 16:39:25,377 INFO L125 PetriNetUnfolderBase]: For 46557/46559 co-relation queries the response was YES. [2024-10-13 16:39:25,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20973 conditions, 3267 events. 1456/3267 cut-off events. For 46557/46559 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 24606 event pairs, 383 based on Foata normal form. 26/3293 useless extension candidates. Maximal degree in co-relation 20888. Up to 1933 conditions per place. [2024-10-13 16:39:25,410 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 310 selfloop transitions, 121 changer transitions 2/435 dead transitions. [2024-10-13 16:39:25,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 435 transitions, 8545 flow [2024-10-13 16:39:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 16:39:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-13 16:39:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 310 transitions. [2024-10-13 16:39:25,411 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2935606060606061 [2024-10-13 16:39:25,411 INFO L175 Difference]: Start difference. First operand has 368 places, 332 transitions, 6803 flow. Second operand 24 states and 310 transitions. [2024-10-13 16:39:25,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 435 transitions, 8545 flow [2024-10-13 16:39:25,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 435 transitions, 8325 flow, removed 9 selfloop flow, removed 25 redundant places. [2024-10-13 16:39:25,647 INFO L231 Difference]: Finished difference. Result has 364 places, 332 transitions, 6891 flow [2024-10-13 16:39:25,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6504, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=6891, PETRI_PLACES=364, PETRI_TRANSITIONS=332} [2024-10-13 16:39:25,648 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 319 predicate places. [2024-10-13 16:39:25,648 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 332 transitions, 6891 flow [2024-10-13 16:39:25,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:25,648 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:25,648 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:25,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-13 16:39:25,648 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:25,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:25,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1637941609, now seen corresponding path program 2 times [2024-10-13 16:39:25,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:25,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453910968] [2024-10-13 16:39:25,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:25,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:25,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453910968] [2024-10-13 16:39:25,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453910968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:25,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:25,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 16:39:25,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768300795] [2024-10-13 16:39:25,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:25,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 16:39:25,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:25,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 16:39:25,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:39:25,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:25,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 332 transitions, 6891 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:25,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:25,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:25,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:26,980 INFO L124 PetriNetUnfolderBase]: 1506/3379 cut-off events. [2024-10-13 16:39:26,981 INFO L125 PetriNetUnfolderBase]: For 49363/49365 co-relation queries the response was YES. [2024-10-13 16:39:27,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22199 conditions, 3379 events. 1506/3379 cut-off events. For 49363/49365 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 25543 event pairs, 485 based on Foata normal form. 26/3405 useless extension candidates. Maximal degree in co-relation 22115. Up to 2079 conditions per place. [2024-10-13 16:39:27,011 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 311 selfloop transitions, 121 changer transitions 10/444 dead transitions. [2024-10-13 16:39:27,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 444 transitions, 8980 flow [2024-10-13 16:39:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 16:39:27,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-13 16:39:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 269 transitions. [2024-10-13 16:39:27,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30568181818181817 [2024-10-13 16:39:27,012 INFO L175 Difference]: Start difference. First operand has 364 places, 332 transitions, 6891 flow. Second operand 20 states and 269 transitions. [2024-10-13 16:39:27,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 444 transitions, 8980 flow [2024-10-13 16:39:27,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 444 transitions, 8762 flow, removed 24 selfloop flow, removed 19 redundant places. [2024-10-13 16:39:27,253 INFO L231 Difference]: Finished difference. Result has 365 places, 341 transitions, 7279 flow [2024-10-13 16:39:27,253 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6589, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7279, PETRI_PLACES=365, PETRI_TRANSITIONS=341} [2024-10-13 16:39:27,253 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 320 predicate places. [2024-10-13 16:39:27,253 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 341 transitions, 7279 flow [2024-10-13 16:39:27,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:27,254 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:27,254 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:27,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-13 16:39:27,254 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:27,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:27,254 INFO L85 PathProgramCache]: Analyzing trace with hash 813277124, now seen corresponding path program 1 times [2024-10-13 16:39:27,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:27,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810442909] [2024-10-13 16:39:27,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:27,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:28,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:28,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810442909] [2024-10-13 16:39:28,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810442909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:28,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:28,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 16:39:28,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436468715] [2024-10-13 16:39:28,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:28,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 16:39:28,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:28,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 16:39:28,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-13 16:39:28,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:28,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 341 transitions, 7279 flow. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:28,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:28,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:28,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:29,263 INFO L124 PetriNetUnfolderBase]: 1527/3496 cut-off events. [2024-10-13 16:39:29,264 INFO L125 PetriNetUnfolderBase]: For 51712/51714 co-relation queries the response was YES. [2024-10-13 16:39:29,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23232 conditions, 3496 events. 1527/3496 cut-off events. For 51712/51714 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 27319 event pairs, 722 based on Foata normal form. 18/3514 useless extension candidates. Maximal degree in co-relation 23145. Up to 2480 conditions per place. [2024-10-13 16:39:29,296 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 297 selfloop transitions, 124 changer transitions 6/429 dead transitions. [2024-10-13 16:39:29,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 429 transitions, 9216 flow [2024-10-13 16:39:29,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 16:39:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-13 16:39:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 240 transitions. [2024-10-13 16:39:29,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28708133971291866 [2024-10-13 16:39:29,297 INFO L175 Difference]: Start difference. First operand has 365 places, 341 transitions, 7279 flow. Second operand 19 states and 240 transitions. [2024-10-13 16:39:29,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 429 transitions, 9216 flow [2024-10-13 16:39:29,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 429 transitions, 8880 flow, removed 11 selfloop flow, removed 19 redundant places. [2024-10-13 16:39:29,557 INFO L231 Difference]: Finished difference. Result has 366 places, 364 transitions, 7809 flow [2024-10-13 16:39:29,558 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6975, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7809, PETRI_PLACES=366, PETRI_TRANSITIONS=364} [2024-10-13 16:39:29,558 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 321 predicate places. [2024-10-13 16:39:29,558 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 364 transitions, 7809 flow [2024-10-13 16:39:29,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:29,558 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:29,558 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:29,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-13 16:39:29,558 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:29,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1013700228, now seen corresponding path program 2 times [2024-10-13 16:39:29,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:29,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708665628] [2024-10-13 16:39:29,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:29,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:30,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:30,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708665628] [2024-10-13 16:39:30,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708665628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:30,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:30,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 16:39:30,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548076462] [2024-10-13 16:39:30,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:30,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 16:39:30,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:30,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 16:39:30,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:39:30,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:30,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 364 transitions, 7809 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:30,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:30,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:30,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:32,849 INFO L124 PetriNetUnfolderBase]: 1544/3545 cut-off events. [2024-10-13 16:39:32,850 INFO L125 PetriNetUnfolderBase]: For 52295/52297 co-relation queries the response was YES. [2024-10-13 16:39:32,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23725 conditions, 3545 events. 1544/3545 cut-off events. For 52295/52297 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 27827 event pairs, 629 based on Foata normal form. 14/3559 useless extension candidates. Maximal degree in co-relation 23637. Up to 2418 conditions per place. [2024-10-13 16:39:32,886 INFO L140 encePairwiseOnDemand]: 28/44 looper letters, 340 selfloop transitions, 172 changer transitions 4/518 dead transitions. [2024-10-13 16:39:32,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 518 transitions, 10140 flow [2024-10-13 16:39:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-13 16:39:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2024-10-13 16:39:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 445 transitions. [2024-10-13 16:39:32,888 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27334152334152334 [2024-10-13 16:39:32,888 INFO L175 Difference]: Start difference. First operand has 366 places, 364 transitions, 7809 flow. Second operand 37 states and 445 transitions. [2024-10-13 16:39:32,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 518 transitions, 10140 flow [2024-10-13 16:39:33,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 518 transitions, 10075 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-10-13 16:39:33,178 INFO L231 Difference]: Finished difference. Result has 400 places, 401 transitions, 8659 flow [2024-10-13 16:39:33,178 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7744, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=8659, PETRI_PLACES=400, PETRI_TRANSITIONS=401} [2024-10-13 16:39:33,178 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 355 predicate places. [2024-10-13 16:39:33,178 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 401 transitions, 8659 flow [2024-10-13 16:39:33,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:33,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:33,179 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:33,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-13 16:39:33,179 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:33,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:33,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1951244898, now seen corresponding path program 3 times [2024-10-13 16:39:33,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:33,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430950850] [2024-10-13 16:39:33,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:33,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:33,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:33,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430950850] [2024-10-13 16:39:33,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430950850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:33,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:33,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 16:39:33,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529206863] [2024-10-13 16:39:33,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:33,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 16:39:33,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:33,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 16:39:33,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:39:33,983 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:33,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 401 transitions, 8659 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:33,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:33,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:33,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:35,837 INFO L124 PetriNetUnfolderBase]: 1617/3730 cut-off events. [2024-10-13 16:39:35,837 INFO L125 PetriNetUnfolderBase]: For 60140/60142 co-relation queries the response was YES. [2024-10-13 16:39:35,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26539 conditions, 3730 events. 1617/3730 cut-off events. For 60140/60142 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 29748 event pairs, 743 based on Foata normal form. 14/3744 useless extension candidates. Maximal degree in co-relation 26446. Up to 2905 conditions per place. [2024-10-13 16:39:35,877 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 329 selfloop transitions, 199 changer transitions 4/534 dead transitions. [2024-10-13 16:39:35,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 534 transitions, 11912 flow [2024-10-13 16:39:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-13 16:39:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-10-13 16:39:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 336 transitions. [2024-10-13 16:39:35,878 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2727272727272727 [2024-10-13 16:39:35,878 INFO L175 Difference]: Start difference. First operand has 400 places, 401 transitions, 8659 flow. Second operand 28 states and 336 transitions. [2024-10-13 16:39:35,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 534 transitions, 11912 flow [2024-10-13 16:39:36,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 534 transitions, 11467 flow, removed 18 selfloop flow, removed 19 redundant places. [2024-10-13 16:39:36,222 INFO L231 Difference]: Finished difference. Result has 417 places, 463 transitions, 10423 flow [2024-10-13 16:39:36,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8322, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=10423, PETRI_PLACES=417, PETRI_TRANSITIONS=463} [2024-10-13 16:39:36,222 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 372 predicate places. [2024-10-13 16:39:36,222 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 463 transitions, 10423 flow [2024-10-13 16:39:36,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:36,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:36,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:36,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-13 16:39:36,223 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:36,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:36,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1572335202, now seen corresponding path program 4 times [2024-10-13 16:39:36,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:36,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751066700] [2024-10-13 16:39:36,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:36,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:36,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751066700] [2024-10-13 16:39:36,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751066700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:36,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:36,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 16:39:36,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453798870] [2024-10-13 16:39:36,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:36,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 16:39:36,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:36,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 16:39:36,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-13 16:39:36,811 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:36,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 463 transitions, 10423 flow. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:36,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:36,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:36,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:38,063 INFO L124 PetriNetUnfolderBase]: 1634/3764 cut-off events. [2024-10-13 16:39:38,063 INFO L125 PetriNetUnfolderBase]: For 61298/61300 co-relation queries the response was YES. [2024-10-13 16:39:38,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27101 conditions, 3764 events. 1634/3764 cut-off events. For 61298/61300 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 30087 event pairs, 677 based on Foata normal form. 10/3774 useless extension candidates. Maximal degree in co-relation 26999. Up to 2006 conditions per place. [2024-10-13 16:39:38,105 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 334 selfloop transitions, 193 changer transitions 6/535 dead transitions. [2024-10-13 16:39:38,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 535 transitions, 12013 flow [2024-10-13 16:39:38,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 16:39:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-13 16:39:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 275 transitions. [2024-10-13 16:39:38,106 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2840909090909091 [2024-10-13 16:39:38,106 INFO L175 Difference]: Start difference. First operand has 417 places, 463 transitions, 10423 flow. Second operand 22 states and 275 transitions. [2024-10-13 16:39:38,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 535 transitions, 12013 flow [2024-10-13 16:39:38,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 535 transitions, 11781 flow, removed 57 selfloop flow, removed 8 redundant places. [2024-10-13 16:39:38,489 INFO L231 Difference]: Finished difference. Result has 433 places, 468 transitions, 10734 flow [2024-10-13 16:39:38,490 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=10203, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=10734, PETRI_PLACES=433, PETRI_TRANSITIONS=468} [2024-10-13 16:39:38,490 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 388 predicate places. [2024-10-13 16:39:38,490 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 468 transitions, 10734 flow [2024-10-13 16:39:38,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:38,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:38,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:38,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-13 16:39:38,491 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:38,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:38,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1318909998, now seen corresponding path program 5 times [2024-10-13 16:39:38,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:38,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943114222] [2024-10-13 16:39:38,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:38,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:39,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943114222] [2024-10-13 16:39:39,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943114222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:39,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:39,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 16:39:39,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834975276] [2024-10-13 16:39:39,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:39,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 16:39:39,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:39,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 16:39:39,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:39:39,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:39,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 468 transitions, 10734 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:39,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:39,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:39,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:40,654 INFO L124 PetriNetUnfolderBase]: 1651/3837 cut-off events. [2024-10-13 16:39:40,654 INFO L125 PetriNetUnfolderBase]: For 66575/66577 co-relation queries the response was YES. [2024-10-13 16:39:40,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28298 conditions, 3837 events. 1651/3837 cut-off events. For 66575/66577 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 31032 event pairs, 796 based on Foata normal form. 18/3855 useless extension candidates. Maximal degree in co-relation 28193. Up to 3109 conditions per place. [2024-10-13 16:39:40,699 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 322 selfloop transitions, 186 changer transitions 4/514 dead transitions. [2024-10-13 16:39:40,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 514 transitions, 12112 flow [2024-10-13 16:39:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-13 16:39:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-13 16:39:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 253 transitions. [2024-10-13 16:39:40,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27380952380952384 [2024-10-13 16:39:40,700 INFO L175 Difference]: Start difference. First operand has 433 places, 468 transitions, 10734 flow. Second operand 21 states and 253 transitions. [2024-10-13 16:39:40,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 514 transitions, 12112 flow [2024-10-13 16:39:41,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 514 transitions, 11972 flow, removed 6 selfloop flow, removed 11 redundant places. [2024-10-13 16:39:41,137 INFO L231 Difference]: Finished difference. Result has 444 places, 471 transitions, 11042 flow [2024-10-13 16:39:41,138 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=10597, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=11042, PETRI_PLACES=444, PETRI_TRANSITIONS=471} [2024-10-13 16:39:41,138 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 399 predicate places. [2024-10-13 16:39:41,138 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 471 transitions, 11042 flow [2024-10-13 16:39:41,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:41,138 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:41,138 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:41,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-13 16:39:41,138 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-13 16:39:41,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:41,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2064809298, now seen corresponding path program 6 times [2024-10-13 16:39:41,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:41,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135734607] [2024-10-13 16:39:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:41,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:41,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:41,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135734607] [2024-10-13 16:39:41,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135734607] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:41,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:41,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 16:39:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971593731] [2024-10-13 16:39:41,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:41,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 16:39:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:41,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 16:39:41,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:39:41,849 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-13 16:39:41,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 471 transitions, 11042 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:41,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:41,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-13 16:39:41,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand