./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_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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_1-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:31:05,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:31:05,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:31:05,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:31:05,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:31:05,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:31:05,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:31:05,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:31:05,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:31:05,904 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:31:05,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:31:05,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:31:05,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:31:05,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:31:05,908 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:31:05,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:31:05,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:31:05,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:31:05,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:31:05,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:31:05,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:31:05,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:31:05,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:31:05,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:31:05,913 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:31:05,914 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:31:05,914 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:31:05,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:31:05,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:31:05,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:31:05,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:31:05,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:31:05,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:31:05,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:31:05,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:31:05,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:31:05,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:31:05,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:31:05,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:31:05,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:31:05,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:31:05,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:31:05,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:31:05,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:31:05,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e [2024-10-24 23:31:06,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:31:06,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:31:06,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:31:06,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:31:06,206 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:31:06,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-10-24 23:31:07,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:31:07,941 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:31:07,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-10-24 23:31:07,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f9195c9/be0d15b45fb8429295265cde2054e626/FLAG786be62e9 [2024-10-24 23:31:08,009 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f9195c9/be0d15b45fb8429295265cde2054e626 [2024-10-24 23:31:08,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:31:08,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:31:08,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:31:08,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:31:08,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:31:08,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b3cfee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08, skipping insertion in model container [2024-10-24 23:31:08,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:31:08,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:31:08,617 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:31:08,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:31:08,711 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:31:08,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08 WrapperNode [2024-10-24 23:31:08,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:31:08,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:31:08,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:31:08,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:31:08,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,770 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 144 [2024-10-24 23:31:08,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:31:08,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:31:08,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:31:08,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:31:08,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,802 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 13, 2]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-10-24 23:31:08,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:31:08,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:31:08,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:31:08,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:31:08,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:31:08,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:31:08,884 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) [2024-10-24 23:31:08,892 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 [2024-10-24 23:31:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-24 23:31:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-24 23:31:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:31:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:31:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 23:31:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:31:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:31:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:31:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:31:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:31:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 23:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:31:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:31:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:31:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:31:08,947 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 23:31:09,233 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:31:09,236 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:31:09,520 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 23:31:09,520 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:31:09,760 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:31:09,761 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 23:31:09,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:09 BoogieIcfgContainer [2024-10-24 23:31:09,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:31:09,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:31:09,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:31:09,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:31:09,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:31:08" (1/3) ... [2024-10-24 23:31:09,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5fc189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:31:09, skipping insertion in model container [2024-10-24 23:31:09,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08" (2/3) ... [2024-10-24 23:31:09,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5fc189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:31:09, skipping insertion in model container [2024-10-24 23:31:09,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:09" (3/3) ... [2024-10-24 23:31:09,772 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2024-10-24 23:31:09,791 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:31:09,791 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 23:31:09,791 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 23:31:09,850 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 23:31:09,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2024-10-24 23:31:09,915 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-10-24 23:31:09,916 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 23:31:09,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 2/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 23. Up to 3 conditions per place. [2024-10-24 23:31:09,920 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2024-10-24 23:31:09,923 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2024-10-24 23:31:09,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:31:09,939 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;@69bb48b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:31:09,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-24 23:31:09,946 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 23:31:09,946 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-10-24 23:31:09,946 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:31:09,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:09,947 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:09,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:09,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1341841268, now seen corresponding path program 1 times [2024-10-24 23:31:09,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:09,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517737958] [2024-10-24 23:31:09,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:09,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:10,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:10,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517737958] [2024-10-24 23:31:10,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517737958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:10,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:10,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:31:10,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22603458] [2024-10-24 23:31:10,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:10,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:31:10,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:10,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:31:10,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:31:10,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-10-24 23:31:10,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:10,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:10,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-10-24 23:31:10,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:11,447 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2024-10-24 23:31:11,448 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-24 23:31:11,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1208 events. 621/1208 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6849 event pairs, 193 based on Foata normal form. 44/1176 useless extension candidates. Maximal degree in co-relation 2198. Up to 862 conditions per place. [2024-10-24 23:31:11,464 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2024-10-24 23:31:11,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2024-10-24 23:31:11,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 23:31:11,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 23:31:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2024-10-24 23:31:11,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2024-10-24 23:31:11,482 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2024-10-24 23:31:11,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2024-10-24 23:31:11,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 23:31:11,489 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2024-10-24 23:31:11,491 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=48, PETRI_TRANSITIONS=50} [2024-10-24 23:31:11,495 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2024-10-24 23:31:11,496 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2024-10-24 23:31:11,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:11,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:11,496 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:11,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:31:11,497 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:11,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:11,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1669751059, now seen corresponding path program 1 times [2024-10-24 23:31:11,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:11,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774342847] [2024-10-24 23:31:11,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:11,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:11,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:11,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774342847] [2024-10-24 23:31:11,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774342847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:11,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:11,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:31:11,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431884774] [2024-10-24 23:31:11,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:11,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:31:11,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:11,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:31:11,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:31:11,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-10-24 23:31:11,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 50 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:11,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:11,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-10-24 23:31:11,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:12,276 INFO L124 PetriNetUnfolderBase]: 672/1245 cut-off events. [2024-10-24 23:31:12,277 INFO L125 PetriNetUnfolderBase]: For 467/467 co-relation queries the response was YES. [2024-10-24 23:31:12,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2979 conditions, 1245 events. 672/1245 cut-off events. For 467/467 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6746 event pairs, 267 based on Foata normal form. 44/1255 useless extension candidates. Maximal degree in co-relation 2506. Up to 951 conditions per place. [2024-10-24 23:31:12,288 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 25 changer transitions 5/97 dead transitions. [2024-10-24 23:31:12,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 97 transitions, 516 flow [2024-10-24 23:31:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 23:31:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 23:31:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2024-10-24 23:31:12,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-10-24 23:31:12,292 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 156 transitions. [2024-10-24 23:31:12,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 97 transitions, 516 flow [2024-10-24 23:31:12,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 23:31:12,298 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 316 flow [2024-10-24 23:31:12,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=316, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-10-24 23:31:12,299 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2024-10-24 23:31:12,299 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 316 flow [2024-10-24 23:31:12,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:12,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:12,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:12,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 23:31:12,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:12,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:12,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1308206955, now seen corresponding path program 1 times [2024-10-24 23:31:12,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:12,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615373783] [2024-10-24 23:31:12,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:12,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:12,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:12,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615373783] [2024-10-24 23:31:12,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615373783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:12,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:12,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:12,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057050433] [2024-10-24 23:31:12,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:12,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:12,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:12,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:12,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:12,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-10-24 23:31:12,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 316 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:12,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:12,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-10-24 23:31:12,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:13,601 INFO L124 PetriNetUnfolderBase]: 846/1560 cut-off events. [2024-10-24 23:31:13,601 INFO L125 PetriNetUnfolderBase]: For 1307/1307 co-relation queries the response was YES. [2024-10-24 23:31:13,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4350 conditions, 1560 events. 846/1560 cut-off events. For 1307/1307 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8821 event pairs, 281 based on Foata normal form. 52/1612 useless extension candidates. Maximal degree in co-relation 3598. Up to 1146 conditions per place. [2024-10-24 23:31:13,612 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 81 selfloop transitions, 37 changer transitions 17/140 dead transitions. [2024-10-24 23:31:13,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 140 transitions, 915 flow [2024-10-24 23:31:13,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:31:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-24 23:31:13,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 184 transitions. [2024-10-24 23:31:13,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44019138755980863 [2024-10-24 23:31:13,615 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 316 flow. Second operand 11 states and 184 transitions. [2024-10-24 23:31:13,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 140 transitions, 915 flow [2024-10-24 23:31:13,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 140 transitions, 915 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 23:31:13,624 INFO L231 Difference]: Finished difference. Result has 75 places, 93 transitions, 660 flow [2024-10-24 23:31:13,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=660, PETRI_PLACES=75, PETRI_TRANSITIONS=93} [2024-10-24 23:31:13,625 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 36 predicate places. [2024-10-24 23:31:13,626 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 93 transitions, 660 flow [2024-10-24 23:31:13,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:13,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:13,626 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:13,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:31:13,627 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:13,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:13,627 INFO L85 PathProgramCache]: Analyzing trace with hash 764593993, now seen corresponding path program 2 times [2024-10-24 23:31:13,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:13,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950628478] [2024-10-24 23:31:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:14,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:14,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950628478] [2024-10-24 23:31:14,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950628478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:14,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:14,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:14,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086459711] [2024-10-24 23:31:14,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:14,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:14,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:14,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:14,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:14,220 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-10-24 23:31:14,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 93 transitions, 660 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:14,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:14,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-10-24 23:31:14,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:14,916 INFO L124 PetriNetUnfolderBase]: 888/1620 cut-off events. [2024-10-24 23:31:14,916 INFO L125 PetriNetUnfolderBase]: For 3454/3454 co-relation queries the response was YES. [2024-10-24 23:31:14,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5465 conditions, 1620 events. 888/1620 cut-off events. For 3454/3454 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9011 event pairs, 225 based on Foata normal form. 52/1672 useless extension candidates. Maximal degree in co-relation 5042. Up to 1077 conditions per place. [2024-10-24 23:31:14,930 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 55 changer transitions 13/163 dead transitions. [2024-10-24 23:31:14,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 163 transitions, 1317 flow [2024-10-24 23:31:14,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 23:31:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 23:31:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 223 transitions. [2024-10-24 23:31:14,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4191729323308271 [2024-10-24 23:31:14,933 INFO L175 Difference]: Start difference. First operand has 75 places, 93 transitions, 660 flow. Second operand 14 states and 223 transitions. [2024-10-24 23:31:14,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 163 transitions, 1317 flow [2024-10-24 23:31:14,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 163 transitions, 1269 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-10-24 23:31:14,953 INFO L231 Difference]: Finished difference. Result has 91 places, 110 transitions, 968 flow [2024-10-24 23:31:14,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=968, PETRI_PLACES=91, PETRI_TRANSITIONS=110} [2024-10-24 23:31:14,954 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 52 predicate places. [2024-10-24 23:31:14,955 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 110 transitions, 968 flow [2024-10-24 23:31:14,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:14,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:14,955 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:14,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:31:14,955 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:14,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:14,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1256486864, now seen corresponding path program 1 times [2024-10-24 23:31:14,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:14,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556492917] [2024-10-24 23:31:14,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:14,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:15,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:15,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556492917] [2024-10-24 23:31:15,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556492917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:15,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:15,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:15,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911840566] [2024-10-24 23:31:15,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:15,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:15,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:15,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:15,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:15,617 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-10-24 23:31:15,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 110 transitions, 968 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:15,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:15,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-10-24 23:31:15,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:16,406 INFO L124 PetriNetUnfolderBase]: 1017/1882 cut-off events. [2024-10-24 23:31:16,407 INFO L125 PetriNetUnfolderBase]: For 6262/6274 co-relation queries the response was YES. [2024-10-24 23:31:16,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7256 conditions, 1882 events. 1017/1882 cut-off events. For 6262/6274 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11176 event pairs, 313 based on Foata normal form. 48/1926 useless extension candidates. Maximal degree in co-relation 6457. Up to 1298 conditions per place. [2024-10-24 23:31:16,420 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 105 selfloop transitions, 60 changer transitions 12/182 dead transitions. [2024-10-24 23:31:16,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 182 transitions, 1733 flow [2024-10-24 23:31:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 23:31:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-24 23:31:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2024-10-24 23:31:16,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4040247678018576 [2024-10-24 23:31:16,423 INFO L175 Difference]: Start difference. First operand has 91 places, 110 transitions, 968 flow. Second operand 17 states and 261 transitions. [2024-10-24 23:31:16,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 182 transitions, 1733 flow [2024-10-24 23:31:16,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 182 transitions, 1591 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:16,451 INFO L231 Difference]: Finished difference. Result has 106 places, 127 transitions, 1233 flow [2024-10-24 23:31:16,452 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1233, PETRI_PLACES=106, PETRI_TRANSITIONS=127} [2024-10-24 23:31:16,452 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 67 predicate places. [2024-10-24 23:31:16,452 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 127 transitions, 1233 flow [2024-10-24 23:31:16,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:16,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:16,453 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:16,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:31:16,453 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:16,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:16,454 INFO L85 PathProgramCache]: Analyzing trace with hash 411275081, now seen corresponding path program 3 times [2024-10-24 23:31:16,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:16,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252249719] [2024-10-24 23:31:16,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:16,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:16,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:16,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252249719] [2024-10-24 23:31:16,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252249719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:16,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:16,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:16,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753009583] [2024-10-24 23:31:16,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:16,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:16,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:16,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:16,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-10-24 23:31:16,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 127 transitions, 1233 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:16,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:16,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-10-24 23:31:16,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:17,769 INFO L124 PetriNetUnfolderBase]: 948/1761 cut-off events. [2024-10-24 23:31:17,770 INFO L125 PetriNetUnfolderBase]: For 6881/6899 co-relation queries the response was YES. [2024-10-24 23:31:17,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6924 conditions, 1761 events. 948/1761 cut-off events. For 6881/6899 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10167 event pairs, 234 based on Foata normal form. 60/1821 useless extension candidates. Maximal degree in co-relation 6083. Up to 1092 conditions per place. [2024-10-24 23:31:17,785 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 97 selfloop transitions, 82 changer transitions 18/202 dead transitions. [2024-10-24 23:31:17,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 202 transitions, 2002 flow [2024-10-24 23:31:17,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 23:31:17,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-24 23:31:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2024-10-24 23:31:17,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41640866873065013 [2024-10-24 23:31:17,787 INFO L175 Difference]: Start difference. First operand has 106 places, 127 transitions, 1233 flow. Second operand 17 states and 269 transitions. [2024-10-24 23:31:17,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 202 transitions, 2002 flow [2024-10-24 23:31:17,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 202 transitions, 1888 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:17,830 INFO L231 Difference]: Finished difference. Result has 118 places, 137 transitions, 1453 flow [2024-10-24 23:31:17,831 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1453, PETRI_PLACES=118, PETRI_TRANSITIONS=137} [2024-10-24 23:31:17,832 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-10-24 23:31:17,832 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 1453 flow [2024-10-24 23:31:17,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:17,832 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:17,832 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:17,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:31:17,833 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:17,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:17,833 INFO L85 PathProgramCache]: Analyzing trace with hash 411266720, now seen corresponding path program 2 times [2024-10-24 23:31:17,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:17,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829830365] [2024-10-24 23:31:17,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:17,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:18,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:18,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829830365] [2024-10-24 23:31:18,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829830365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:18,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:18,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:18,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258446992] [2024-10-24 23:31:18,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:18,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:18,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:18,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:18,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:18,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-10-24 23:31:18,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 137 transitions, 1453 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:18,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:18,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-10-24 23:31:18,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:19,441 INFO L124 PetriNetUnfolderBase]: 903/1694 cut-off events. [2024-10-24 23:31:19,441 INFO L125 PetriNetUnfolderBase]: For 8336/8368 co-relation queries the response was YES. [2024-10-24 23:31:19,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7150 conditions, 1694 events. 903/1694 cut-off events. For 8336/8368 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9786 event pairs, 249 based on Foata normal form. 48/1742 useless extension candidates. Maximal degree in co-relation 6482. Up to 1071 conditions per place. [2024-10-24 23:31:19,457 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 84 changer transitions 15/194 dead transitions. [2024-10-24 23:31:19,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 194 transitions, 2047 flow [2024-10-24 23:31:19,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 23:31:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-24 23:31:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 307 transitions. [2024-10-24 23:31:19,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38471177944862156 [2024-10-24 23:31:19,461 INFO L175 Difference]: Start difference. First operand has 118 places, 137 transitions, 1453 flow. Second operand 21 states and 307 transitions. [2024-10-24 23:31:19,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 194 transitions, 2047 flow [2024-10-24 23:31:19,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1889 flow, removed 25 selfloop flow, removed 11 redundant places. [2024-10-24 23:31:19,505 INFO L231 Difference]: Finished difference. Result has 131 places, 138 transitions, 1515 flow [2024-10-24 23:31:19,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1515, PETRI_PLACES=131, PETRI_TRANSITIONS=138} [2024-10-24 23:31:19,507 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 92 predicate places. [2024-10-24 23:31:19,507 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 138 transitions, 1515 flow [2024-10-24 23:31:19,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:19,507 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:19,507 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:19,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:31:19,508 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:19,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:19,509 INFO L85 PathProgramCache]: Analyzing trace with hash 764585632, now seen corresponding path program 3 times [2024-10-24 23:31:19,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:19,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348360244] [2024-10-24 23:31:19,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:19,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:19,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:19,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348360244] [2024-10-24 23:31:19,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348360244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:19,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:19,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:19,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630719813] [2024-10-24 23:31:19,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:19,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:19,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:19,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:19,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:19,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-10-24 23:31:19,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 138 transitions, 1515 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:19,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:19,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-10-24 23:31:19,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:20,795 INFO L124 PetriNetUnfolderBase]: 882/1641 cut-off events. [2024-10-24 23:31:20,795 INFO L125 PetriNetUnfolderBase]: For 10061/10103 co-relation queries the response was YES. [2024-10-24 23:31:20,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7339 conditions, 1641 events. 882/1641 cut-off events. For 10061/10103 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9303 event pairs, 216 based on Foata normal form. 50/1687 useless extension candidates. Maximal degree in co-relation 6799. Up to 993 conditions per place. [2024-10-24 23:31:20,817 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 80 selfloop transitions, 94 changer transitions 15/194 dead transitions. [2024-10-24 23:31:20,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 194 transitions, 2121 flow [2024-10-24 23:31:20,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:20,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 281 transitions. [2024-10-24 23:31:20,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.389196675900277 [2024-10-24 23:31:20,820 INFO L175 Difference]: Start difference. First operand has 131 places, 138 transitions, 1515 flow. Second operand 19 states and 281 transitions. [2024-10-24 23:31:20,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 194 transitions, 2121 flow [2024-10-24 23:31:20,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1788 flow, removed 26 selfloop flow, removed 22 redundant places. [2024-10-24 23:31:20,873 INFO L231 Difference]: Finished difference. Result has 130 places, 141 transitions, 1443 flow [2024-10-24 23:31:20,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1195, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1443, PETRI_PLACES=130, PETRI_TRANSITIONS=141} [2024-10-24 23:31:20,875 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-10-24 23:31:20,875 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 141 transitions, 1443 flow [2024-10-24 23:31:20,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:20,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:20,876 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:20,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 23:31:20,876 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:20,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1844619444, now seen corresponding path program 1 times [2024-10-24 23:31:20,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:20,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023007539] [2024-10-24 23:31:20,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:20,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:20,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:20,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023007539] [2024-10-24 23:31:20,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023007539] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:20,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:20,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:31:20,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755617516] [2024-10-24 23:31:20,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:20,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:31:20,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:20,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:31:20,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:31:20,942 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-10-24 23:31:20,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 141 transitions, 1443 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:20,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:20,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-10-24 23:31:20,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:21,126 INFO L124 PetriNetUnfolderBase]: 461/873 cut-off events. [2024-10-24 23:31:21,126 INFO L125 PetriNetUnfolderBase]: For 3753/3817 co-relation queries the response was YES. [2024-10-24 23:31:21,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3515 conditions, 873 events. 461/873 cut-off events. For 3753/3817 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4351 event pairs, 86 based on Foata normal form. 6/879 useless extension candidates. Maximal degree in co-relation 3486. Up to 465 conditions per place. [2024-10-24 23:31:21,133 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 131 selfloop transitions, 18 changer transitions 6/161 dead transitions. [2024-10-24 23:31:21,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 161 transitions, 1796 flow [2024-10-24 23:31:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:31:21,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:31:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-10-24 23:31:21,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2024-10-24 23:31:21,162 INFO L175 Difference]: Start difference. First operand has 130 places, 141 transitions, 1443 flow. Second operand 4 states and 84 transitions. [2024-10-24 23:31:21,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 161 transitions, 1796 flow [2024-10-24 23:31:21,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 161 transitions, 1613 flow, removed 40 selfloop flow, removed 15 redundant places. [2024-10-24 23:31:21,179 INFO L231 Difference]: Finished difference. Result has 109 places, 109 transitions, 962 flow [2024-10-24 23:31:21,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=962, PETRI_PLACES=109, PETRI_TRANSITIONS=109} [2024-10-24 23:31:21,180 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 70 predicate places. [2024-10-24 23:31:21,180 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 109 transitions, 962 flow [2024-10-24 23:31:21,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:21,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:21,181 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:21,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:31:21,181 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:21,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:21,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1238178995, now seen corresponding path program 1 times [2024-10-24 23:31:21,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:21,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125066117] [2024-10-24 23:31:21,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:21,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:21,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:21,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125066117] [2024-10-24 23:31:21,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125066117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:21,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:21,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:21,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800040562] [2024-10-24 23:31:21,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:21,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:21,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:21,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:21,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:21,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:21,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 962 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:21,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:21,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:21,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:22,352 INFO L124 PetriNetUnfolderBase]: 603/1168 cut-off events. [2024-10-24 23:31:22,353 INFO L125 PetriNetUnfolderBase]: For 2973/2973 co-relation queries the response was YES. [2024-10-24 23:31:22,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4184 conditions, 1168 events. 603/1168 cut-off events. For 2973/2973 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6234 event pairs, 143 based on Foata normal form. 14/1182 useless extension candidates. Maximal degree in co-relation 4159. Up to 581 conditions per place. [2024-10-24 23:31:22,363 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 119 selfloop transitions, 45 changer transitions 0/166 dead transitions. [2024-10-24 23:31:22,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 166 transitions, 1487 flow [2024-10-24 23:31:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 202 transitions. [2024-10-24 23:31:22,365 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3543859649122807 [2024-10-24 23:31:22,365 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 962 flow. Second operand 15 states and 202 transitions. [2024-10-24 23:31:22,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 166 transitions, 1487 flow [2024-10-24 23:31:22,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 166 transitions, 1416 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-10-24 23:31:22,379 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 1077 flow [2024-10-24 23:31:22,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1077, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2024-10-24 23:31:22,380 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 83 predicate places. [2024-10-24 23:31:22,381 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 1077 flow [2024-10-24 23:31:22,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:22,381 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:22,381 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:22,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 23:31:22,382 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:22,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:22,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1246767164, now seen corresponding path program 1 times [2024-10-24 23:31:22,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:22,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240345872] [2024-10-24 23:31:22,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:22,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:23,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:23,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240345872] [2024-10-24 23:31:23,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240345872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:23,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:23,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:23,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581538289] [2024-10-24 23:31:23,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:23,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:23,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:23,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:23,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:23,094 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:23,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 1077 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:23,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:23,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:23,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:23,663 INFO L124 PetriNetUnfolderBase]: 586/1141 cut-off events. [2024-10-24 23:31:23,664 INFO L125 PetriNetUnfolderBase]: For 2892/2892 co-relation queries the response was YES. [2024-10-24 23:31:23,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4073 conditions, 1141 events. 586/1141 cut-off events. For 2892/2892 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6103 event pairs, 156 based on Foata normal form. 12/1153 useless extension candidates. Maximal degree in co-relation 4048. Up to 711 conditions per place. [2024-10-24 23:31:23,674 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 107 selfloop transitions, 44 changer transitions 0/153 dead transitions. [2024-10-24 23:31:23,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 153 transitions, 1480 flow [2024-10-24 23:31:23,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 23:31:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 23:31:23,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 179 transitions. [2024-10-24 23:31:23,676 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2024-10-24 23:31:23,676 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 1077 flow. Second operand 14 states and 179 transitions. [2024-10-24 23:31:23,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 153 transitions, 1480 flow [2024-10-24 23:31:23,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 153 transitions, 1422 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:23,689 INFO L231 Difference]: Finished difference. Result has 130 places, 116 transitions, 1152 flow [2024-10-24 23:31:23,689 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1152, PETRI_PLACES=130, PETRI_TRANSITIONS=116} [2024-10-24 23:31:23,690 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-10-24 23:31:23,690 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 116 transitions, 1152 flow [2024-10-24 23:31:23,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:23,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:23,691 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:23,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 23:31:23,691 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:23,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:23,691 INFO L85 PathProgramCache]: Analyzing trace with hash -103437457, now seen corresponding path program 2 times [2024-10-24 23:31:23,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:23,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035404008] [2024-10-24 23:31:23,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:23,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:24,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:24,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035404008] [2024-10-24 23:31:24,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035404008] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:24,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:24,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:24,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794722545] [2024-10-24 23:31:24,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:24,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:24,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:24,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:24,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:24,311 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:24,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 116 transitions, 1152 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:24,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:24,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:24,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:25,052 INFO L124 PetriNetUnfolderBase]: 665/1293 cut-off events. [2024-10-24 23:31:25,052 INFO L125 PetriNetUnfolderBase]: For 3735/3735 co-relation queries the response was YES. [2024-10-24 23:31:25,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4752 conditions, 1293 events. 665/1293 cut-off events. For 3735/3735 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7170 event pairs, 176 based on Foata normal form. 14/1307 useless extension candidates. Maximal degree in co-relation 4724. Up to 678 conditions per place. [2024-10-24 23:31:25,061 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 121 selfloop transitions, 56 changer transitions 0/179 dead transitions. [2024-10-24 23:31:25,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 179 transitions, 1737 flow [2024-10-24 23:31:25,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 23:31:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 23:31:25,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 230 transitions. [2024-10-24 23:31:25,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3362573099415205 [2024-10-24 23:31:25,063 INFO L175 Difference]: Start difference. First operand has 130 places, 116 transitions, 1152 flow. Second operand 18 states and 230 transitions. [2024-10-24 23:31:25,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 179 transitions, 1737 flow [2024-10-24 23:31:25,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 179 transitions, 1661 flow, removed 3 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:25,081 INFO L231 Difference]: Finished difference. Result has 142 places, 126 transitions, 1337 flow [2024-10-24 23:31:25,082 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1337, PETRI_PLACES=142, PETRI_TRANSITIONS=126} [2024-10-24 23:31:25,082 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 103 predicate places. [2024-10-24 23:31:25,082 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 126 transitions, 1337 flow [2024-10-24 23:31:25,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:25,083 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:25,083 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:25,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:31:25,083 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:25,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:25,084 INFO L85 PathProgramCache]: Analyzing trace with hash 281270063, now seen corresponding path program 3 times [2024-10-24 23:31:25,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:25,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033741092] [2024-10-24 23:31:25,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:25,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:25,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:25,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033741092] [2024-10-24 23:31:25,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033741092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:25,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:25,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:25,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585798314] [2024-10-24 23:31:25,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:25,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:25,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:25,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:25,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:25,619 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:25,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 126 transitions, 1337 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:25,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:25,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:25,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:26,350 INFO L124 PetriNetUnfolderBase]: 746/1475 cut-off events. [2024-10-24 23:31:26,351 INFO L125 PetriNetUnfolderBase]: For 4929/4929 co-relation queries the response was YES. [2024-10-24 23:31:26,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5502 conditions, 1475 events. 746/1475 cut-off events. For 4929/4929 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8565 event pairs, 185 based on Foata normal form. 14/1489 useless extension candidates. Maximal degree in co-relation 5471. Up to 476 conditions per place. [2024-10-24 23:31:26,365 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 111 selfloop transitions, 82 changer transitions 0/195 dead transitions. [2024-10-24 23:31:26,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 195 transitions, 1913 flow [2024-10-24 23:31:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 23:31:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-24 23:31:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 276 transitions. [2024-10-24 23:31:26,367 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33014354066985646 [2024-10-24 23:31:26,367 INFO L175 Difference]: Start difference. First operand has 142 places, 126 transitions, 1337 flow. Second operand 22 states and 276 transitions. [2024-10-24 23:31:26,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 195 transitions, 1913 flow [2024-10-24 23:31:26,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 195 transitions, 1852 flow, removed 2 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:26,391 INFO L231 Difference]: Finished difference. Result has 159 places, 129 transitions, 1555 flow [2024-10-24 23:31:26,392 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1276, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1555, PETRI_PLACES=159, PETRI_TRANSITIONS=129} [2024-10-24 23:31:26,392 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-10-24 23:31:26,393 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 129 transitions, 1555 flow [2024-10-24 23:31:26,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:26,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:26,393 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:26,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 23:31:26,393 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:26,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:26,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1156661969, now seen corresponding path program 4 times [2024-10-24 23:31:26,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:26,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311105640] [2024-10-24 23:31:26,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:26,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:26,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:26,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311105640] [2024-10-24 23:31:26,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311105640] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:26,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:26,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:26,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827646051] [2024-10-24 23:31:26,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:26,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:26,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:26,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:26,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:26,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:26,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 129 transitions, 1555 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:26,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:26,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:26,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:27,611 INFO L124 PetriNetUnfolderBase]: 808/1595 cut-off events. [2024-10-24 23:31:27,612 INFO L125 PetriNetUnfolderBase]: For 7113/7113 co-relation queries the response was YES. [2024-10-24 23:31:27,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6341 conditions, 1595 events. 808/1595 cut-off events. For 7113/7113 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 9512 event pairs, 288 based on Foata normal form. 14/1609 useless extension candidates. Maximal degree in co-relation 6306. Up to 1059 conditions per place. [2024-10-24 23:31:27,624 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 118 selfloop transitions, 49 changer transitions 0/169 dead transitions. [2024-10-24 23:31:27,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 169 transitions, 2006 flow [2024-10-24 23:31:27,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 23:31:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-10-24 23:31:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 168 transitions. [2024-10-24 23:31:27,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.340080971659919 [2024-10-24 23:31:27,626 INFO L175 Difference]: Start difference. First operand has 159 places, 129 transitions, 1555 flow. Second operand 13 states and 168 transitions. [2024-10-24 23:31:27,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 169 transitions, 2006 flow [2024-10-24 23:31:27,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 169 transitions, 1896 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-10-24 23:31:27,660 INFO L231 Difference]: Finished difference. Result has 158 places, 131 transitions, 1607 flow [2024-10-24 23:31:27,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1607, PETRI_PLACES=158, PETRI_TRANSITIONS=131} [2024-10-24 23:31:27,661 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 119 predicate places. [2024-10-24 23:31:27,661 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 131 transitions, 1607 flow [2024-10-24 23:31:27,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:27,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:27,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:27,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 23:31:27,662 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:27,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:27,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2028751423, now seen corresponding path program 5 times [2024-10-24 23:31:27,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:27,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335487264] [2024-10-24 23:31:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:27,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:28,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:28,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335487264] [2024-10-24 23:31:28,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335487264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:28,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:28,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:28,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337761152] [2024-10-24 23:31:28,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:28,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:28,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:28,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:28,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:28,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:28,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 131 transitions, 1607 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:28,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:28,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:28,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:29,081 INFO L124 PetriNetUnfolderBase]: 889/1768 cut-off events. [2024-10-24 23:31:29,082 INFO L125 PetriNetUnfolderBase]: For 8495/8495 co-relation queries the response was YES. [2024-10-24 23:31:29,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7100 conditions, 1768 events. 889/1768 cut-off events. For 8495/8495 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 10865 event pairs, 250 based on Foata normal form. 14/1782 useless extension candidates. Maximal degree in co-relation 7063. Up to 514 conditions per place. [2024-10-24 23:31:29,101 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 106 selfloop transitions, 86 changer transitions 0/194 dead transitions. [2024-10-24 23:31:29,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 194 transitions, 2181 flow [2024-10-24 23:31:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 23:31:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-24 23:31:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 254 transitions. [2024-10-24 23:31:29,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3182957393483709 [2024-10-24 23:31:29,103 INFO L175 Difference]: Start difference. First operand has 158 places, 131 transitions, 1607 flow. Second operand 21 states and 254 transitions. [2024-10-24 23:31:29,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 194 transitions, 2181 flow [2024-10-24 23:31:29,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 194 transitions, 2078 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-10-24 23:31:29,141 INFO L231 Difference]: Finished difference. Result has 172 places, 134 transitions, 1818 flow [2024-10-24 23:31:29,142 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1818, PETRI_PLACES=172, PETRI_TRANSITIONS=134} [2024-10-24 23:31:29,142 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2024-10-24 23:31:29,142 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 134 transitions, 1818 flow [2024-10-24 23:31:29,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:29,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:29,143 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:29,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 23:31:29,143 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:29,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:29,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1059649019, now seen corresponding path program 6 times [2024-10-24 23:31:29,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:29,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408184299] [2024-10-24 23:31:29,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:29,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:29,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:29,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408184299] [2024-10-24 23:31:29,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408184299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:29,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:29,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:29,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314209896] [2024-10-24 23:31:29,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:29,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:29,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:29,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:29,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:29,669 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:29,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 134 transitions, 1818 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:29,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:29,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:29,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:30,496 INFO L124 PetriNetUnfolderBase]: 970/1911 cut-off events. [2024-10-24 23:31:30,496 INFO L125 PetriNetUnfolderBase]: For 11797/11797 co-relation queries the response was YES. [2024-10-24 23:31:30,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8215 conditions, 1911 events. 970/1911 cut-off events. For 11797/11797 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 11889 event pairs, 165 based on Foata normal form. 14/1922 useless extension candidates. Maximal degree in co-relation 8174. Up to 430 conditions per place. [2024-10-24 23:31:30,516 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 117 selfloop transitions, 105 changer transitions 0/224 dead transitions. [2024-10-24 23:31:30,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 224 transitions, 2766 flow [2024-10-24 23:31:30,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 23:31:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-24 23:31:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 260 transitions. [2024-10-24 23:31:30,519 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3258145363408521 [2024-10-24 23:31:30,519 INFO L175 Difference]: Start difference. First operand has 172 places, 134 transitions, 1818 flow. Second operand 21 states and 260 transitions. [2024-10-24 23:31:30,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 224 transitions, 2766 flow [2024-10-24 23:31:30,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 224 transitions, 2673 flow, removed 4 selfloop flow, removed 14 redundant places. [2024-10-24 23:31:30,577 INFO L231 Difference]: Finished difference. Result has 186 places, 149 transitions, 2291 flow [2024-10-24 23:31:30,578 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1730, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2291, PETRI_PLACES=186, PETRI_TRANSITIONS=149} [2024-10-24 23:31:30,578 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2024-10-24 23:31:30,579 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 149 transitions, 2291 flow [2024-10-24 23:31:30,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:30,579 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:30,579 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:30,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 23:31:30,580 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:30,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:30,580 INFO L85 PathProgramCache]: Analyzing trace with hash 335774635, now seen corresponding path program 7 times [2024-10-24 23:31:30,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:30,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297728420] [2024-10-24 23:31:30,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:30,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:31,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:31,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297728420] [2024-10-24 23:31:31,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297728420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:31,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:31,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:31,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646111347] [2024-10-24 23:31:31,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:31,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:31,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:31,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:31,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:31,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:31,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 149 transitions, 2291 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:31,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:31,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:31,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:31,818 INFO L124 PetriNetUnfolderBase]: 1046/2087 cut-off events. [2024-10-24 23:31:31,818 INFO L125 PetriNetUnfolderBase]: For 17761/17761 co-relation queries the response was YES. [2024-10-24 23:31:31,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9868 conditions, 2087 events. 1046/2087 cut-off events. For 17761/17761 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 13363 event pairs, 334 based on Foata normal form. 14/2101 useless extension candidates. Maximal degree in co-relation 9819. Up to 908 conditions per place. [2024-10-24 23:31:31,838 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 130 selfloop transitions, 75 changer transitions 0/207 dead transitions. [2024-10-24 23:31:31,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 207 transitions, 3008 flow [2024-10-24 23:31:31,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 23:31:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-10-24 23:31:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 204 transitions. [2024-10-24 23:31:31,839 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3355263157894737 [2024-10-24 23:31:31,839 INFO L175 Difference]: Start difference. First operand has 186 places, 149 transitions, 2291 flow. Second operand 16 states and 204 transitions. [2024-10-24 23:31:31,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 207 transitions, 3008 flow [2024-10-24 23:31:31,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 207 transitions, 2862 flow, removed 27 selfloop flow, removed 12 redundant places. [2024-10-24 23:31:31,935 INFO L231 Difference]: Finished difference. Result has 192 places, 155 transitions, 2509 flow [2024-10-24 23:31:31,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2509, PETRI_PLACES=192, PETRI_TRANSITIONS=155} [2024-10-24 23:31:31,936 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 153 predicate places. [2024-10-24 23:31:31,936 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 155 transitions, 2509 flow [2024-10-24 23:31:31,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:31,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:31,937 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:31,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 23:31:31,937 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:31,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:31,937 INFO L85 PathProgramCache]: Analyzing trace with hash 327186466, now seen corresponding path program 2 times [2024-10-24 23:31:31,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:31,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032738737] [2024-10-24 23:31:31,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:31,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:32,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:32,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032738737] [2024-10-24 23:31:32,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032738737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:32,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:32,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:32,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779332982] [2024-10-24 23:31:32,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:32,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:32,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:32,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:32,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:32,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:32,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 155 transitions, 2509 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:32,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:32,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:32,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:32,952 INFO L124 PetriNetUnfolderBase]: 1112/2219 cut-off events. [2024-10-24 23:31:32,952 INFO L125 PetriNetUnfolderBase]: For 19786/19790 co-relation queries the response was YES. [2024-10-24 23:31:32,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10443 conditions, 2219 events. 1112/2219 cut-off events. For 19786/19790 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 14472 event pairs, 444 based on Foata normal form. 16/2235 useless extension candidates. Maximal degree in co-relation 10393. Up to 1549 conditions per place. [2024-10-24 23:31:32,974 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 139 selfloop transitions, 57 changer transitions 0/198 dead transitions. [2024-10-24 23:31:32,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 198 transitions, 3068 flow [2024-10-24 23:31:32,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2024-10-24 23:31:32,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3298245614035088 [2024-10-24 23:31:32,976 INFO L175 Difference]: Start difference. First operand has 192 places, 155 transitions, 2509 flow. Second operand 15 states and 188 transitions. [2024-10-24 23:31:32,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 198 transitions, 3068 flow [2024-10-24 23:31:33,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 198 transitions, 2975 flow, removed 1 selfloop flow, removed 11 redundant places. [2024-10-24 23:31:33,112 INFO L231 Difference]: Finished difference. Result has 198 places, 160 transitions, 2635 flow [2024-10-24 23:31:33,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2418, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2635, PETRI_PLACES=198, PETRI_TRANSITIONS=160} [2024-10-24 23:31:33,114 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2024-10-24 23:31:33,114 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 160 transitions, 2635 flow [2024-10-24 23:31:33,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:33,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:33,115 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:33,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 23:31:33,115 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:33,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:33,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1611612988, now seen corresponding path program 3 times [2024-10-24 23:31:33,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:33,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114894947] [2024-10-24 23:31:33,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:33,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:33,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:33,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114894947] [2024-10-24 23:31:33,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114894947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:33,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:33,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:33,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927844318] [2024-10-24 23:31:33,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:33,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:33,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:33,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:33,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:33,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:33,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 160 transitions, 2635 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:33,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:33,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:33,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:34,393 INFO L124 PetriNetUnfolderBase]: 1168/2335 cut-off events. [2024-10-24 23:31:34,393 INFO L125 PetriNetUnfolderBase]: For 20867/20871 co-relation queries the response was YES. [2024-10-24 23:31:34,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10984 conditions, 2335 events. 1168/2335 cut-off events. For 20867/20871 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 15463 event pairs, 469 based on Foata normal form. 16/2351 useless extension candidates. Maximal degree in co-relation 10931. Up to 1650 conditions per place. [2024-10-24 23:31:34,409 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 134 selfloop transitions, 62 changer transitions 0/198 dead transitions. [2024-10-24 23:31:34,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 198 transitions, 3142 flow [2024-10-24 23:31:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 180 transitions. [2024-10-24 23:31:34,411 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-10-24 23:31:34,411 INFO L175 Difference]: Start difference. First operand has 198 places, 160 transitions, 2635 flow. Second operand 15 states and 180 transitions. [2024-10-24 23:31:34,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 198 transitions, 3142 flow [2024-10-24 23:31:34,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 198 transitions, 3076 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-10-24 23:31:34,522 INFO L231 Difference]: Finished difference. Result has 209 places, 162 transitions, 2751 flow [2024-10-24 23:31:34,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2569, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2751, PETRI_PLACES=209, PETRI_TRANSITIONS=162} [2024-10-24 23:31:34,522 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 170 predicate places. [2024-10-24 23:31:34,523 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 162 transitions, 2751 flow [2024-10-24 23:31:34,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:34,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:34,524 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:34,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 23:31:34,524 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:34,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:34,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1758300028, now seen corresponding path program 4 times [2024-10-24 23:31:34,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:34,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353416202] [2024-10-24 23:31:34,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:34,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:34,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353416202] [2024-10-24 23:31:34,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353416202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:34,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:34,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:34,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385649285] [2024-10-24 23:31:34,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:34,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:34,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:34,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:34,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:35,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:35,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 162 transitions, 2751 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:35,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:35,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:35,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:35,634 INFO L124 PetriNetUnfolderBase]: 1224/2451 cut-off events. [2024-10-24 23:31:35,634 INFO L125 PetriNetUnfolderBase]: For 22953/22957 co-relation queries the response was YES. [2024-10-24 23:31:35,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11634 conditions, 2451 events. 1224/2451 cut-off events. For 22953/22957 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 16496 event pairs, 461 based on Foata normal form. 12/2463 useless extension candidates. Maximal degree in co-relation 11578. Up to 1339 conditions per place. [2024-10-24 23:31:35,652 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 135 selfloop transitions, 62 changer transitions 0/199 dead transitions. [2024-10-24 23:31:35,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 199 transitions, 3270 flow [2024-10-24 23:31:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 23:31:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 23:31:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2024-10-24 23:31:35,653 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31954887218045114 [2024-10-24 23:31:35,653 INFO L175 Difference]: Start difference. First operand has 209 places, 162 transitions, 2751 flow. Second operand 14 states and 170 transitions. [2024-10-24 23:31:35,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 199 transitions, 3270 flow [2024-10-24 23:31:35,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 199 transitions, 3139 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-10-24 23:31:35,736 INFO L231 Difference]: Finished difference. Result has 213 places, 164 transitions, 2795 flow [2024-10-24 23:31:35,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2620, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2795, PETRI_PLACES=213, PETRI_TRANSITIONS=164} [2024-10-24 23:31:35,736 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 174 predicate places. [2024-10-24 23:31:35,736 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 164 transitions, 2795 flow [2024-10-24 23:31:35,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:35,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:35,737 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:35,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 23:31:35,737 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:35,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:35,738 INFO L85 PathProgramCache]: Analyzing trace with hash 98716587, now seen corresponding path program 8 times [2024-10-24 23:31:35,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:35,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562127612] [2024-10-24 23:31:35,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:35,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:36,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:36,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562127612] [2024-10-24 23:31:36,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562127612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:36,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:36,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:36,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460288878] [2024-10-24 23:31:36,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:36,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:36,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:36,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:36,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:36,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:36,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 164 transitions, 2795 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:36,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:36,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:36,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:37,067 INFO L124 PetriNetUnfolderBase]: 1286/2583 cut-off events. [2024-10-24 23:31:37,067 INFO L125 PetriNetUnfolderBase]: For 24838/24842 co-relation queries the response was YES. [2024-10-24 23:31:37,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12399 conditions, 2583 events. 1286/2583 cut-off events. For 24838/24842 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 17591 event pairs, 417 based on Foata normal form. 14/2597 useless extension candidates. Maximal degree in co-relation 12339. Up to 963 conditions per place. [2024-10-24 23:31:37,086 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 145 selfloop transitions, 83 changer transitions 0/230 dead transitions. [2024-10-24 23:31:37,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 230 transitions, 3497 flow [2024-10-24 23:31:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:37,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:37,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 248 transitions. [2024-10-24 23:31:37,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34349030470914127 [2024-10-24 23:31:37,089 INFO L175 Difference]: Start difference. First operand has 213 places, 164 transitions, 2795 flow. Second operand 19 states and 248 transitions. [2024-10-24 23:31:37,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 230 transitions, 3497 flow [2024-10-24 23:31:37,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 230 transitions, 3368 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-10-24 23:31:37,211 INFO L231 Difference]: Finished difference. Result has 224 places, 167 transitions, 2974 flow [2024-10-24 23:31:37,211 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2666, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2974, PETRI_PLACES=224, PETRI_TRANSITIONS=167} [2024-10-24 23:31:37,212 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 185 predicate places. [2024-10-24 23:31:37,212 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 167 transitions, 2974 flow [2024-10-24 23:31:37,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:37,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:37,212 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:37,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 23:31:37,212 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:37,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:37,213 INFO L85 PathProgramCache]: Analyzing trace with hash 90128418, now seen corresponding path program 5 times [2024-10-24 23:31:37,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:37,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986342819] [2024-10-24 23:31:37,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:37,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:37,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:37,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986342819] [2024-10-24 23:31:37,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986342819] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:37,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:37,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:37,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444395673] [2024-10-24 23:31:37,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:37,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:37,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:37,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:37,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:37,755 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:37,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 167 transitions, 2974 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:37,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:37,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:37,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:38,481 INFO L124 PetriNetUnfolderBase]: 1269/2554 cut-off events. [2024-10-24 23:31:38,482 INFO L125 PetriNetUnfolderBase]: For 27370/27374 co-relation queries the response was YES. [2024-10-24 23:31:38,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12576 conditions, 2554 events. 1269/2554 cut-off events. For 27370/27374 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 17422 event pairs, 498 based on Foata normal form. 12/2566 useless extension candidates. Maximal degree in co-relation 12515. Up to 1793 conditions per place. [2024-10-24 23:31:38,503 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 147 selfloop transitions, 57 changer transitions 0/206 dead transitions. [2024-10-24 23:31:38,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 206 transitions, 3469 flow [2024-10-24 23:31:38,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2024-10-24 23:31:38,505 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-10-24 23:31:38,505 INFO L175 Difference]: Start difference. First operand has 224 places, 167 transitions, 2974 flow. Second operand 15 states and 190 transitions. [2024-10-24 23:31:38,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 206 transitions, 3469 flow [2024-10-24 23:31:38,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 206 transitions, 3354 flow, removed 7 selfloop flow, removed 17 redundant places. [2024-10-24 23:31:38,614 INFO L231 Difference]: Finished difference. Result has 220 places, 166 transitions, 2959 flow [2024-10-24 23:31:38,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2845, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2959, PETRI_PLACES=220, PETRI_TRANSITIONS=166} [2024-10-24 23:31:38,615 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-10-24 23:31:38,615 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 166 transitions, 2959 flow [2024-10-24 23:31:38,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:38,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:38,616 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:38,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 23:31:38,616 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:38,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:38,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1233458125, now seen corresponding path program 9 times [2024-10-24 23:31:38,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:38,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151773978] [2024-10-24 23:31:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:39,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:39,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151773978] [2024-10-24 23:31:39,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151773978] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:39,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:39,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:39,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780503032] [2024-10-24 23:31:39,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:39,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:39,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:39,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:39,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:39,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:39,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 166 transitions, 2959 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:39,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:39,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:39,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:39,966 INFO L124 PetriNetUnfolderBase]: 1331/2684 cut-off events. [2024-10-24 23:31:39,966 INFO L125 PetriNetUnfolderBase]: For 28559/28563 co-relation queries the response was YES. [2024-10-24 23:31:39,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13261 conditions, 2684 events. 1331/2684 cut-off events. For 28559/28563 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 18524 event pairs, 436 based on Foata normal form. 14/2698 useless extension candidates. Maximal degree in co-relation 13203. Up to 1048 conditions per place. [2024-10-24 23:31:39,986 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 134 selfloop transitions, 89 changer transitions 0/225 dead transitions. [2024-10-24 23:31:39,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 225 transitions, 3647 flow [2024-10-24 23:31:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 23:31:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 23:31:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 226 transitions. [2024-10-24 23:31:39,988 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3304093567251462 [2024-10-24 23:31:39,988 INFO L175 Difference]: Start difference. First operand has 220 places, 166 transitions, 2959 flow. Second operand 18 states and 226 transitions. [2024-10-24 23:31:39,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 225 transitions, 3647 flow [2024-10-24 23:31:40,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 225 transitions, 3551 flow, removed 7 selfloop flow, removed 13 redundant places. [2024-10-24 23:31:40,102 INFO L231 Difference]: Finished difference. Result has 227 places, 169 transitions, 3199 flow [2024-10-24 23:31:40,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2864, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3199, PETRI_PLACES=227, PETRI_TRANSITIONS=169} [2024-10-24 23:31:40,102 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 188 predicate places. [2024-10-24 23:31:40,102 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 169 transitions, 3199 flow [2024-10-24 23:31:40,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:40,102 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:40,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:40,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 23:31:40,103 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:40,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:40,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1618165645, now seen corresponding path program 10 times [2024-10-24 23:31:40,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:40,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652330713] [2024-10-24 23:31:40,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:40,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:40,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:40,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652330713] [2024-10-24 23:31:40,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652330713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:40,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:40,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:40,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135061055] [2024-10-24 23:31:40,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:40,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:40,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:40,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:40,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:40,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:40,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 169 transitions, 3199 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:40,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:40,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:40,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:41,331 INFO L124 PetriNetUnfolderBase]: 1312/2651 cut-off events. [2024-10-24 23:31:41,331 INFO L125 PetriNetUnfolderBase]: For 31588/31592 co-relation queries the response was YES. [2024-10-24 23:31:41,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 2651 events. 1312/2651 cut-off events. For 31588/31592 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 18284 event pairs, 370 based on Foata normal form. 14/2665 useless extension candidates. Maximal degree in co-relation 13394. Up to 683 conditions per place. [2024-10-24 23:31:41,350 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 137 selfloop transitions, 96 changer transitions 0/235 dead transitions. [2024-10-24 23:31:41,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 235 transitions, 3814 flow [2024-10-24 23:31:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:41,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 245 transitions. [2024-10-24 23:31:41,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33933518005540164 [2024-10-24 23:31:41,352 INFO L175 Difference]: Start difference. First operand has 227 places, 169 transitions, 3199 flow. Second operand 19 states and 245 transitions. [2024-10-24 23:31:41,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 235 transitions, 3814 flow [2024-10-24 23:31:41,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 235 transitions, 3505 flow, removed 15 selfloop flow, removed 24 redundant places. [2024-10-24 23:31:41,502 INFO L231 Difference]: Finished difference. Result has 220 places, 168 transitions, 3060 flow [2024-10-24 23:31:41,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2868, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3060, PETRI_PLACES=220, PETRI_TRANSITIONS=168} [2024-10-24 23:31:41,502 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-10-24 23:31:41,502 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 168 transitions, 3060 flow [2024-10-24 23:31:41,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:41,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:41,503 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:41,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 23:31:41,503 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:41,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:41,503 INFO L85 PathProgramCache]: Analyzing trace with hash 271157345, now seen corresponding path program 1 times [2024-10-24 23:31:41,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:41,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175819694] [2024-10-24 23:31:41,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:41,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:41,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:41,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175819694] [2024-10-24 23:31:41,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175819694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:41,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:41,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:41,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573576743] [2024-10-24 23:31:41,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:41,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:41,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:41,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:41,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:41,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:41,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 168 transitions, 3060 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:41,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:41,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:41,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:42,613 INFO L124 PetriNetUnfolderBase]: 1293/2608 cut-off events. [2024-10-24 23:31:42,613 INFO L125 PetriNetUnfolderBase]: For 27996/28000 co-relation queries the response was YES. [2024-10-24 23:31:42,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12990 conditions, 2608 events. 1293/2608 cut-off events. For 27996/28000 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 18100 event pairs, 627 based on Foata normal form. 14/2622 useless extension candidates. Maximal degree in co-relation 12943. Up to 2071 conditions per place. [2024-10-24 23:31:42,674 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 131 selfloop transitions, 47 changer transitions 25/205 dead transitions. [2024-10-24 23:31:42,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 205 transitions, 3496 flow [2024-10-24 23:31:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 23:31:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 23:31:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 180 transitions. [2024-10-24 23:31:42,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3383458646616541 [2024-10-24 23:31:42,675 INFO L175 Difference]: Start difference. First operand has 220 places, 168 transitions, 3060 flow. Second operand 14 states and 180 transitions. [2024-10-24 23:31:42,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 205 transitions, 3496 flow [2024-10-24 23:31:42,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 205 transitions, 3325 flow, removed 6 selfloop flow, removed 16 redundant places. [2024-10-24 23:31:42,750 INFO L231 Difference]: Finished difference. Result has 217 places, 160 transitions, 2788 flow [2024-10-24 23:31:42,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2829, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2788, PETRI_PLACES=217, PETRI_TRANSITIONS=160} [2024-10-24 23:31:42,750 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 178 predicate places. [2024-10-24 23:31:42,750 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 160 transitions, 2788 flow [2024-10-24 23:31:42,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:42,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:42,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:42,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 23:31:42,751 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:42,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:42,751 INFO L85 PathProgramCache]: Analyzing trace with hash 4924115, now seen corresponding path program 1 times [2024-10-24 23:31:42,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:42,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852578578] [2024-10-24 23:31:42,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:42,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:43,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:43,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852578578] [2024-10-24 23:31:43,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852578578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:43,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:43,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:43,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192040777] [2024-10-24 23:31:43,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:43,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:43,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:43,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:43,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:43,153 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:43,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 160 transitions, 2788 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:43,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:43,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:43,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:43,827 INFO L124 PetriNetUnfolderBase]: 1223/2474 cut-off events. [2024-10-24 23:31:43,827 INFO L125 PetriNetUnfolderBase]: For 24531/24535 co-relation queries the response was YES. [2024-10-24 23:31:43,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12173 conditions, 2474 events. 1223/2474 cut-off events. For 24531/24535 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 17037 event pairs, 637 based on Foata normal form. 12/2486 useless extension candidates. Maximal degree in co-relation 12127. Up to 1865 conditions per place. [2024-10-24 23:31:43,841 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 121 selfloop transitions, 57 changer transitions 26/206 dead transitions. [2024-10-24 23:31:43,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 206 transitions, 3375 flow [2024-10-24 23:31:43,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 23:31:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 23:31:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 216 transitions. [2024-10-24 23:31:43,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-10-24 23:31:43,843 INFO L175 Difference]: Start difference. First operand has 217 places, 160 transitions, 2788 flow. Second operand 18 states and 216 transitions. [2024-10-24 23:31:43,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 206 transitions, 3375 flow [2024-10-24 23:31:43,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 206 transitions, 3175 flow, removed 11 selfloop flow, removed 14 redundant places. [2024-10-24 23:31:43,909 INFO L231 Difference]: Finished difference. Result has 214 places, 152 transitions, 2592 flow [2024-10-24 23:31:43,909 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2571, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2592, PETRI_PLACES=214, PETRI_TRANSITIONS=152} [2024-10-24 23:31:43,910 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 175 predicate places. [2024-10-24 23:31:43,910 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 152 transitions, 2592 flow [2024-10-24 23:31:43,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:43,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:43,910 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:43,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 23:31:43,910 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:43,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:43,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1433386435, now seen corresponding path program 2 times [2024-10-24 23:31:43,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:43,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485043841] [2024-10-24 23:31:43,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:43,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:44,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:44,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:44,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485043841] [2024-10-24 23:31:44,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485043841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:44,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:44,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:44,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480860288] [2024-10-24 23:31:44,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:44,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:44,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:44,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:44,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:44,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:44,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 152 transitions, 2592 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:44,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:44,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:44,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:44,954 INFO L124 PetriNetUnfolderBase]: 1127/2286 cut-off events. [2024-10-24 23:31:44,955 INFO L125 PetriNetUnfolderBase]: For 20169/20173 co-relation queries the response was YES. [2024-10-24 23:31:44,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11001 conditions, 2286 events. 1127/2286 cut-off events. For 20169/20173 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 15541 event pairs, 591 based on Foata normal form. 14/2300 useless extension candidates. Maximal degree in co-relation 10956. Up to 1849 conditions per place. [2024-10-24 23:31:44,970 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 122 selfloop transitions, 37 changer transitions 25/186 dead transitions. [2024-10-24 23:31:44,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 186 transitions, 2988 flow [2024-10-24 23:31:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 182 transitions. [2024-10-24 23:31:44,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3192982456140351 [2024-10-24 23:31:44,971 INFO L175 Difference]: Start difference. First operand has 214 places, 152 transitions, 2592 flow. Second operand 15 states and 182 transitions. [2024-10-24 23:31:44,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 186 transitions, 2988 flow [2024-10-24 23:31:45,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 186 transitions, 2734 flow, removed 11 selfloop flow, removed 27 redundant places. [2024-10-24 23:31:45,070 INFO L231 Difference]: Finished difference. Result has 190 places, 144 transitions, 2279 flow [2024-10-24 23:31:45,070 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2282, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2279, PETRI_PLACES=190, PETRI_TRANSITIONS=144} [2024-10-24 23:31:45,071 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 151 predicate places. [2024-10-24 23:31:45,071 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 144 transitions, 2279 flow [2024-10-24 23:31:45,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:45,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:45,071 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:45,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 23:31:45,071 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:45,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:45,072 INFO L85 PathProgramCache]: Analyzing trace with hash 129437887, now seen corresponding path program 3 times [2024-10-24 23:31:45,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:45,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258301169] [2024-10-24 23:31:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:45,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:45,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258301169] [2024-10-24 23:31:45,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258301169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:45,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:45,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:45,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833376306] [2024-10-24 23:31:45,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:45,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:45,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:45,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:45,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:45,554 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:45,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 144 transitions, 2279 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:45,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:45,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:45,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:46,141 INFO L124 PetriNetUnfolderBase]: 1051/2144 cut-off events. [2024-10-24 23:31:46,141 INFO L125 PetriNetUnfolderBase]: For 17449/17453 co-relation queries the response was YES. [2024-10-24 23:31:46,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9898 conditions, 2144 events. 1051/2144 cut-off events. For 17449/17453 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 14195 event pairs, 372 based on Foata normal form. 14/2158 useless extension candidates. Maximal degree in co-relation 9856. Up to 1474 conditions per place. [2024-10-24 23:31:46,154 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 96 selfloop transitions, 60 changer transitions 30/188 dead transitions. [2024-10-24 23:31:46,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 188 transitions, 2707 flow [2024-10-24 23:31:46,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 23:31:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 23:31:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 220 transitions. [2024-10-24 23:31:46,156 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3216374269005848 [2024-10-24 23:31:46,156 INFO L175 Difference]: Start difference. First operand has 190 places, 144 transitions, 2279 flow. Second operand 18 states and 220 transitions. [2024-10-24 23:31:46,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 188 transitions, 2707 flow [2024-10-24 23:31:46,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 188 transitions, 2560 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-10-24 23:31:46,207 INFO L231 Difference]: Finished difference. Result has 187 places, 133 transitions, 2070 flow [2024-10-24 23:31:46,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2070, PETRI_PLACES=187, PETRI_TRANSITIONS=133} [2024-10-24 23:31:46,208 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2024-10-24 23:31:46,208 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 133 transitions, 2070 flow [2024-10-24 23:31:46,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:46,208 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:46,208 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:46,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 23:31:46,208 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:46,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:46,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1533214801, now seen corresponding path program 4 times [2024-10-24 23:31:46,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:46,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981871418] [2024-10-24 23:31:46,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:46,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:46,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:46,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981871418] [2024-10-24 23:31:46,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981871418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:46,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:46,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:46,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586209651] [2024-10-24 23:31:46,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:46,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:46,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:46,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:46,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:46,765 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:46,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 133 transitions, 2070 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:46,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:46,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:46,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:47,503 INFO L124 PetriNetUnfolderBase]: 959/1956 cut-off events. [2024-10-24 23:31:47,503 INFO L125 PetriNetUnfolderBase]: For 15715/15719 co-relation queries the response was YES. [2024-10-24 23:31:47,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9006 conditions, 1956 events. 959/1956 cut-off events. For 15715/15719 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 12750 event pairs, 307 based on Foata normal form. 14/1970 useless extension candidates. Maximal degree in co-relation 8965. Up to 1193 conditions per place. [2024-10-24 23:31:47,514 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 100 selfloop transitions, 62 changer transitions 15/179 dead transitions. [2024-10-24 23:31:47,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 179 transitions, 2491 flow [2024-10-24 23:31:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 227 transitions. [2024-10-24 23:31:47,516 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.314404432132964 [2024-10-24 23:31:47,516 INFO L175 Difference]: Start difference. First operand has 187 places, 133 transitions, 2070 flow. Second operand 19 states and 227 transitions. [2024-10-24 23:31:47,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 179 transitions, 2491 flow [2024-10-24 23:31:47,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 179 transitions, 2208 flow, removed 12 selfloop flow, removed 23 redundant places. [2024-10-24 23:31:47,555 INFO L231 Difference]: Finished difference. Result has 176 places, 127 transitions, 1813 flow [2024-10-24 23:31:47,555 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1737, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1813, PETRI_PLACES=176, PETRI_TRANSITIONS=127} [2024-10-24 23:31:47,556 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2024-10-24 23:31:47,556 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 127 transitions, 1813 flow [2024-10-24 23:31:47,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:47,557 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:47,557 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:47,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 23:31:47,557 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:47,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:47,557 INFO L85 PathProgramCache]: Analyzing trace with hash -241778473, now seen corresponding path program 5 times [2024-10-24 23:31:47,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:47,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931389231] [2024-10-24 23:31:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:47,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:47,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:47,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931389231] [2024-10-24 23:31:47,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931389231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:47,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:47,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:47,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724887305] [2024-10-24 23:31:47,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:47,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:47,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:47,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:47,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:47,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:47,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 127 transitions, 1813 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:47,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:47,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:47,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:48,446 INFO L124 PetriNetUnfolderBase]: 874/1779 cut-off events. [2024-10-24 23:31:48,446 INFO L125 PetriNetUnfolderBase]: For 11979/11983 co-relation queries the response was YES. [2024-10-24 23:31:48,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7850 conditions, 1779 events. 874/1779 cut-off events. For 11979/11983 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11436 event pairs, 434 based on Foata normal form. 14/1793 useless extension candidates. Maximal degree in co-relation 7813. Up to 1413 conditions per place. [2024-10-24 23:31:48,456 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 100 selfloop transitions, 25 changer transitions 29/156 dead transitions. [2024-10-24 23:31:48,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 156 transitions, 2147 flow [2024-10-24 23:31:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 23:31:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 23:31:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 149 transitions. [2024-10-24 23:31:48,458 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3267543859649123 [2024-10-24 23:31:48,458 INFO L175 Difference]: Start difference. First operand has 176 places, 127 transitions, 1813 flow. Second operand 12 states and 149 transitions. [2024-10-24 23:31:48,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 156 transitions, 2147 flow [2024-10-24 23:31:48,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 156 transitions, 1921 flow, removed 0 selfloop flow, removed 23 redundant places. [2024-10-24 23:31:48,496 INFO L231 Difference]: Finished difference. Result has 163 places, 117 transitions, 1527 flow [2024-10-24 23:31:48,496 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1539, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1527, PETRI_PLACES=163, PETRI_TRANSITIONS=117} [2024-10-24 23:31:48,497 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 124 predicate places. [2024-10-24 23:31:48,497 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 117 transitions, 1527 flow [2024-10-24 23:31:48,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:48,497 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:48,497 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:48,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 23:31:48,497 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:48,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:48,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1510618253, now seen corresponding path program 6 times [2024-10-24 23:31:48,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:48,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833877016] [2024-10-24 23:31:48,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:48,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:48,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:48,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833877016] [2024-10-24 23:31:48,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833877016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:48,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:48,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:48,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010991936] [2024-10-24 23:31:48,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:48,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:48,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:48,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:48,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:48,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:48,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 117 transitions, 1527 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:48,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:48,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:48,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:49,417 INFO L124 PetriNetUnfolderBase]: 798/1630 cut-off events. [2024-10-24 23:31:49,417 INFO L125 PetriNetUnfolderBase]: For 9518/9522 co-relation queries the response was YES. [2024-10-24 23:31:49,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6902 conditions, 1630 events. 798/1630 cut-off events. For 9518/9522 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 10165 event pairs, 196 based on Foata normal form. 11/1641 useless extension candidates. Maximal degree in co-relation 6867. Up to 819 conditions per place. [2024-10-24 23:31:49,426 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 75 selfloop transitions, 58 changer transitions 36/171 dead transitions. [2024-10-24 23:31:49,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 171 transitions, 2010 flow [2024-10-24 23:31:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:49,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 230 transitions. [2024-10-24 23:31:49,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3185595567867036 [2024-10-24 23:31:49,428 INFO L175 Difference]: Start difference. First operand has 163 places, 117 transitions, 1527 flow. Second operand 19 states and 230 transitions. [2024-10-24 23:31:49,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 171 transitions, 2010 flow [2024-10-24 23:31:49,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 171 transitions, 1909 flow, removed 1 selfloop flow, removed 10 redundant places. [2024-10-24 23:31:49,459 INFO L231 Difference]: Finished difference. Result has 159 places, 106 transitions, 1443 flow [2024-10-24 23:31:49,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1443, PETRI_PLACES=159, PETRI_TRANSITIONS=106} [2024-10-24 23:31:49,459 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-10-24 23:31:49,459 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 106 transitions, 1443 flow [2024-10-24 23:31:49,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:49,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:49,460 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:49,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 23:31:49,460 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:49,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:49,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1552846389, now seen corresponding path program 2 times [2024-10-24 23:31:49,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:49,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927066806] [2024-10-24 23:31:49,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:49,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:49,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:49,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927066806] [2024-10-24 23:31:49,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927066806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:49,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:49,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:49,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320662955] [2024-10-24 23:31:49,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:49,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:49,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:49,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:49,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:49,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:49,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 106 transitions, 1443 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:49,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:49,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:49,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:50,315 INFO L124 PetriNetUnfolderBase]: 710/1449 cut-off events. [2024-10-24 23:31:50,316 INFO L125 PetriNetUnfolderBase]: For 9128/9132 co-relation queries the response was YES. [2024-10-24 23:31:50,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6339 conditions, 1449 events. 710/1449 cut-off events. For 9128/9132 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8797 event pairs, 167 based on Foata normal form. 16/1465 useless extension candidates. Maximal degree in co-relation 6307. Up to 914 conditions per place. [2024-10-24 23:31:50,322 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 74 selfloop transitions, 50 changer transitions 21/147 dead transitions. [2024-10-24 23:31:50,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 147 transitions, 1819 flow [2024-10-24 23:31:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 23:31:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-24 23:31:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 226 transitions. [2024-10-24 23:31:50,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29736842105263156 [2024-10-24 23:31:50,323 INFO L175 Difference]: Start difference. First operand has 159 places, 106 transitions, 1443 flow. Second operand 20 states and 226 transitions. [2024-10-24 23:31:50,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 147 transitions, 1819 flow [2024-10-24 23:31:50,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 147 transitions, 1469 flow, removed 12 selfloop flow, removed 28 redundant places. [2024-10-24 23:31:50,349 INFO L231 Difference]: Finished difference. Result has 143 places, 97 transitions, 1081 flow [2024-10-24 23:31:50,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1081, PETRI_PLACES=143, PETRI_TRANSITIONS=97} [2024-10-24 23:31:50,350 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2024-10-24 23:31:50,350 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 97 transitions, 1081 flow [2024-10-24 23:31:50,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:50,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:50,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:50,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 23:31:50,350 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:50,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:50,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1234752573, now seen corresponding path program 7 times [2024-10-24 23:31:50,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:50,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931176333] [2024-10-24 23:31:50,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:50,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:50,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:50,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931176333] [2024-10-24 23:31:50,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931176333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:50,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:50,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:50,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346419941] [2024-10-24 23:31:50,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:50,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:50,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:50,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:50,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:50,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 97 transitions, 1081 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:50,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:50,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:50,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:51,218 INFO L124 PetriNetUnfolderBase]: 626/1281 cut-off events. [2024-10-24 23:31:51,218 INFO L125 PetriNetUnfolderBase]: For 4884/4884 co-relation queries the response was YES. [2024-10-24 23:31:51,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4850 conditions, 1281 events. 626/1281 cut-off events. For 4884/4884 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7513 event pairs, 147 based on Foata normal form. 14/1295 useless extension candidates. Maximal degree in co-relation 4827. Up to 784 conditions per place. [2024-10-24 23:31:51,224 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 76 selfloop transitions, 41 changer transitions 24/143 dead transitions. [2024-10-24 23:31:51,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 1436 flow [2024-10-24 23:31:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 23:31:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 23:31:51,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 215 transitions. [2024-10-24 23:31:51,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31432748538011696 [2024-10-24 23:31:51,225 INFO L175 Difference]: Start difference. First operand has 143 places, 97 transitions, 1081 flow. Second operand 18 states and 215 transitions. [2024-10-24 23:31:51,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 1436 flow [2024-10-24 23:31:51,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 143 transitions, 1293 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-10-24 23:31:51,239 INFO L231 Difference]: Finished difference. Result has 134 places, 88 transitions, 878 flow [2024-10-24 23:31:51,239 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=878, PETRI_PLACES=134, PETRI_TRANSITIONS=88} [2024-10-24 23:31:51,239 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2024-10-24 23:31:51,240 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 88 transitions, 878 flow [2024-10-24 23:31:51,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:51,240 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:51,240 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:51,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 23:31:51,240 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:51,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1819079619, now seen corresponding path program 8 times [2024-10-24 23:31:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:51,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571583008] [2024-10-24 23:31:51,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:51,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:51,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571583008] [2024-10-24 23:31:51,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571583008] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:51,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:51,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:51,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504772591] [2024-10-24 23:31:51,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:51,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:51,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:51,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:51,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:51,619 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:51,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 88 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:51,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:51,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:51,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:52,005 INFO L124 PetriNetUnfolderBase]: 538/1101 cut-off events. [2024-10-24 23:31:52,005 INFO L125 PetriNetUnfolderBase]: For 3669/3677 co-relation queries the response was YES. [2024-10-24 23:31:52,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3972 conditions, 1101 events. 538/1101 cut-off events. For 3669/3677 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6173 event pairs, 142 based on Foata normal form. 18/1119 useless extension candidates. Maximal degree in co-relation 3950. Up to 684 conditions per place. [2024-10-24 23:31:52,010 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 61 selfloop transitions, 28 changer transitions 35/126 dead transitions. [2024-10-24 23:31:52,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 126 transitions, 1178 flow [2024-10-24 23:31:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-10-24 23:31:52,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.312280701754386 [2024-10-24 23:31:52,011 INFO L175 Difference]: Start difference. First operand has 134 places, 88 transitions, 878 flow. Second operand 15 states and 178 transitions. [2024-10-24 23:31:52,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 126 transitions, 1178 flow [2024-10-24 23:31:52,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 126 transitions, 1041 flow, removed 3 selfloop flow, removed 20 redundant places. [2024-10-24 23:31:52,021 INFO L231 Difference]: Finished difference. Result has 125 places, 75 transitions, 654 flow [2024-10-24 23:31:52,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=654, PETRI_PLACES=125, PETRI_TRANSITIONS=75} [2024-10-24 23:31:52,021 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 86 predicate places. [2024-10-24 23:31:52,022 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 75 transitions, 654 flow [2024-10-24 23:31:52,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:52,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:52,022 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:52,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 23:31:52,022 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:52,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:52,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1413371679, now seen corresponding path program 3 times [2024-10-24 23:31:52,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:52,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627119574] [2024-10-24 23:31:52,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:52,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:52,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:52,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627119574] [2024-10-24 23:31:52,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627119574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:52,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:52,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:52,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530275695] [2024-10-24 23:31:52,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:52,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:52,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:52,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:52,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:52,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:52,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 75 transitions, 654 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:52,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:52,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:52,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:52,935 INFO L124 PetriNetUnfolderBase]: 411/846 cut-off events. [2024-10-24 23:31:52,935 INFO L125 PetriNetUnfolderBase]: For 2346/2350 co-relation queries the response was YES. [2024-10-24 23:31:52,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 846 events. 411/846 cut-off events. For 2346/2350 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4467 event pairs, 92 based on Foata normal form. 28/874 useless extension candidates. Maximal degree in co-relation 2849. Up to 426 conditions per place. [2024-10-24 23:31:52,940 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 45 selfloop transitions, 24 changer transitions 40/111 dead transitions. [2024-10-24 23:31:52,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 111 transitions, 929 flow [2024-10-24 23:31:52,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 23:31:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-24 23:31:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 212 transitions. [2024-10-24 23:31:52,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2789473684210526 [2024-10-24 23:31:52,941 INFO L175 Difference]: Start difference. First operand has 125 places, 75 transitions, 654 flow. Second operand 20 states and 212 transitions. [2024-10-24 23:31:52,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 111 transitions, 929 flow [2024-10-24 23:31:52,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 111 transitions, 816 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-10-24 23:31:52,949 INFO L231 Difference]: Finished difference. Result has 118 places, 56 transitions, 412 flow [2024-10-24 23:31:52,949 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=412, PETRI_PLACES=118, PETRI_TRANSITIONS=56} [2024-10-24 23:31:52,950 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-10-24 23:31:52,950 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 56 transitions, 412 flow [2024-10-24 23:31:52,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:52,950 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:52,950 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:52,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-24 23:31:52,950 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:52,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:52,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1327274515, now seen corresponding path program 4 times [2024-10-24 23:31:52,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:52,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487843690] [2024-10-24 23:31:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:52,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:53,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:53,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487843690] [2024-10-24 23:31:53,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487843690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:53,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:53,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:53,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076903480] [2024-10-24 23:31:53,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:53,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:53,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:53,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:53,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:53,305 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:53,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 56 transitions, 412 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:53,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:53,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:53,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:53,579 INFO L124 PetriNetUnfolderBase]: 248/519 cut-off events. [2024-10-24 23:31:53,579 INFO L125 PetriNetUnfolderBase]: For 760/760 co-relation queries the response was YES. [2024-10-24 23:31:53,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1747 conditions, 519 events. 248/519 cut-off events. For 760/760 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2376 event pairs, 60 based on Foata normal form. 12/531 useless extension candidates. Maximal degree in co-relation 1731. Up to 289 conditions per place. [2024-10-24 23:31:53,581 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 32 selfloop transitions, 16 changer transitions 30/80 dead transitions. [2024-10-24 23:31:53,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 80 transitions, 614 flow [2024-10-24 23:31:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 155 transitions. [2024-10-24 23:31:53,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2719298245614035 [2024-10-24 23:31:53,582 INFO L175 Difference]: Start difference. First operand has 118 places, 56 transitions, 412 flow. Second operand 15 states and 155 transitions. [2024-10-24 23:31:53,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 80 transitions, 614 flow [2024-10-24 23:31:53,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 80 transitions, 517 flow, removed 3 selfloop flow, removed 23 redundant places. [2024-10-24 23:31:53,584 INFO L231 Difference]: Finished difference. Result has 87 places, 42 transitions, 272 flow [2024-10-24 23:31:53,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=272, PETRI_PLACES=87, PETRI_TRANSITIONS=42} [2024-10-24 23:31:53,584 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-10-24 23:31:53,585 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 42 transitions, 272 flow [2024-10-24 23:31:53,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:53,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:53,585 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:53,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 23:31:53,585 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:53,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:53,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1804568701, now seen corresponding path program 9 times [2024-10-24 23:31:53,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:53,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677143288] [2024-10-24 23:31:53,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:53,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:53,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:53,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677143288] [2024-10-24 23:31:53,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677143288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:53,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:53,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:53,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110849520] [2024-10-24 23:31:53,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:53,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:53,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:53,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:53,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:53,936 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:53,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 42 transitions, 272 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:53,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:53,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:53,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:54,191 INFO L124 PetriNetUnfolderBase]: 160/343 cut-off events. [2024-10-24 23:31:54,191 INFO L125 PetriNetUnfolderBase]: For 428/428 co-relation queries the response was YES. [2024-10-24 23:31:54,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 343 events. 160/343 cut-off events. For 428/428 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1387 event pairs, 40 based on Foata normal form. 14/357 useless extension candidates. Maximal degree in co-relation 1074. Up to 159 conditions per place. [2024-10-24 23:31:54,192 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 25 selfloop transitions, 13 changer transitions 25/65 dead transitions. [2024-10-24 23:31:54,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 65 transitions, 426 flow [2024-10-24 23:31:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 23:31:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 23:31:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 128 transitions. [2024-10-24 23:31:54,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2807017543859649 [2024-10-24 23:31:54,193 INFO L175 Difference]: Start difference. First operand has 87 places, 42 transitions, 272 flow. Second operand 12 states and 128 transitions. [2024-10-24 23:31:54,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 65 transitions, 426 flow [2024-10-24 23:31:54,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 65 transitions, 374 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-10-24 23:31:54,194 INFO L231 Difference]: Finished difference. Result has 67 places, 33 transitions, 174 flow [2024-10-24 23:31:54,194 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=174, PETRI_PLACES=67, PETRI_TRANSITIONS=33} [2024-10-24 23:31:54,195 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 28 predicate places. [2024-10-24 23:31:54,195 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 33 transitions, 174 flow [2024-10-24 23:31:54,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:54,195 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:54,195 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:54,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-24 23:31:54,195 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:54,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1376472031, now seen corresponding path program 10 times [2024-10-24 23:31:54,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:54,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200714092] [2024-10-24 23:31:54,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:54,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:54,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:54,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200714092] [2024-10-24 23:31:54,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200714092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:54,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:54,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:54,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073131682] [2024-10-24 23:31:54,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:54,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:54,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:54,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:54,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:54,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-10-24 23:31:54,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 33 transitions, 174 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:54,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:54,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-10-24 23:31:54,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:54,751 INFO L124 PetriNetUnfolderBase]: 78/181 cut-off events. [2024-10-24 23:31:54,752 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-10-24 23:31:54,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 181 events. 78/181 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 579 event pairs, 0 based on Foata normal form. 14/195 useless extension candidates. Maximal degree in co-relation 457. Up to 66 conditions per place. [2024-10-24 23:31:54,752 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2024-10-24 23:31:54,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 291 flow [2024-10-24 23:31:54,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 23:31:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 23:31:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 119 transitions. [2024-10-24 23:31:54,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26096491228070173 [2024-10-24 23:31:54,753 INFO L175 Difference]: Start difference. First operand has 67 places, 33 transitions, 174 flow. Second operand 12 states and 119 transitions. [2024-10-24 23:31:54,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 291 flow [2024-10-24 23:31:54,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 251 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-10-24 23:31:54,754 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2024-10-24 23:31:54,754 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2024-10-24 23:31:54,754 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 10 predicate places. [2024-10-24 23:31:54,755 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2024-10-24 23:31:54,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:54,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-10-24 23:31:54,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-10-24 23:31:54,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-24 23:31:54,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-24 23:31:54,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-24 23:31:54,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-24 23:31:54,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-24 23:31:54,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-24 23:31:54,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-24 23:31:54,760 INFO L407 BasicCegarLoop]: Path program histogram: [10, 10, 5, 4, 3, 3, 1, 1, 1] [2024-10-24 23:31:54,767 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 23:31:54,767 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 23:31:54,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:31:54 BasicIcfg [2024-10-24 23:31:54,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 23:31:54,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:31:54,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:31:54,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:31:54,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:09" (3/4) ... [2024-10-24 23:31:54,775 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 23:31:54,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-10-24 23:31:54,792 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2024-10-24 23:31:54,793 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-10-24 23:31:54,793 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-24 23:31:54,793 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 23:31:54,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 23:31:54,902 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 23:31:54,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:31:54,903 INFO L158 Benchmark]: Toolchain (without parser) took 46887.51ms. Allocated memory was 155.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 84.9MB in the beginning and 537.7MB in the end (delta: -452.9MB). Peak memory consumption was 661.2MB. Max. memory is 16.1GB. [2024-10-24 23:31:54,903 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 107.0MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:31:54,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.67ms. Allocated memory is still 155.2MB. Free memory was 84.7MB in the beginning and 93.4MB in the end (delta: -8.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-10-24 23:31:54,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.43ms. Allocated memory is still 155.2MB. Free memory was 93.4MB in the beginning and 90.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 23:31:54,904 INFO L158 Benchmark]: Boogie Preprocessor took 56.18ms. Allocated memory is still 155.2MB. Free memory was 90.7MB in the beginning and 86.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 23:31:54,904 INFO L158 Benchmark]: RCFGBuilder took 930.02ms. Allocated memory is still 155.2MB. Free memory was 86.5MB in the beginning and 112.2MB in the end (delta: -25.7MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2024-10-24 23:31:54,905 INFO L158 Benchmark]: TraceAbstraction took 45007.22ms. Allocated memory was 155.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 111.4MB in the beginning and 544.0MB in the end (delta: -432.6MB). Peak memory consumption was 679.7MB. Max. memory is 16.1GB. [2024-10-24 23:31:54,905 INFO L158 Benchmark]: Witness Printer took 129.12ms. Allocated memory is still 1.3GB. Free memory was 544.0MB in the beginning and 537.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 23:31:54,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 107.0MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 692.67ms. Allocated memory is still 155.2MB. Free memory was 84.7MB in the beginning and 93.4MB in the end (delta: -8.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.43ms. Allocated memory is still 155.2MB. Free memory was 93.4MB in the beginning and 90.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.18ms. Allocated memory is still 155.2MB. Free memory was 90.7MB in the beginning and 86.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 930.02ms. Allocated memory is still 155.2MB. Free memory was 86.5MB in the beginning and 112.2MB in the end (delta: -25.7MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * TraceAbstraction took 45007.22ms. Allocated memory was 155.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 111.4MB in the beginning and 544.0MB in the end (delta: -432.6MB). Peak memory consumption was 679.7MB. Max. memory is 16.1GB. * Witness Printer took 129.12ms. Allocated memory is still 1.3GB. Free memory was 544.0MB in the beginning and 537.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 44.9s, OverallIterations: 38, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3711 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3504 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3484 mSDsCounter, 585 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16109 IncrementalHoareTripleChecker+Invalid, 16694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 585 mSolverCounterUnsat, 109 mSDtfsCounter, 16109 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 651 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1914 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3199occurred in iteration=23, InterpolantAutomatonStates: 603, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 7147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 23:31:54,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE