./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:00:07,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:00:07,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 15:00:07,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:00:07,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:00:07,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:00:07,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:00:07,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:00:07,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:00:07,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:00:07,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 15:00:07,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 15:00:07,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:00:07,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:00:07,994 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:00:07,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:00:07,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 15:00:07,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:00:07,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:00:07,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:00:07,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:00:08,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 15:00:08,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 15:00:08,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 15:00:08,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:00:08,003 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 15:00:08,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:00:08,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:00:08,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:00:08,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:00:08,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:00:08,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:00:08,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 15:00:08,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 15:00:08,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:00:08,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:00:08,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 15:00:08,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 15:00:08,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:00:08,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 15:00:08,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 15:00:08,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 15:00:08,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 15:00:08,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 15:00:08,008 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-11-09 15:00:08,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:00:08,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:00:08,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:00:08,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:00:08,308 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:00:08,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-09 15:00:09,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:00:10,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:00:10,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-09 15:00:10,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db291e61/9069c2bd35c44cd5905ef88fa5ba755f/FLAG9d5d0a6af [2024-11-09 15:00:10,189 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db291e61/9069c2bd35c44cd5905ef88fa5ba755f [2024-11-09 15:00:10,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:00:10,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:00:10,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:00:10,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:00:10,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:00:10,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:10,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f71d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10, skipping insertion in model container [2024-11-09 15:00:10,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:10,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:00:10,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:00:10,776 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:00:10,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:00:10,891 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:00:10,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10 WrapperNode [2024-11-09 15:00:10,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:00:10,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:00:10,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:00:10,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:00:10,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:10,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:10,964 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-11-09 15:00:10,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:00:10,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:00:10,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:00:10,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:00:10,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:10,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:10,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:10,998 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 2, 8]. [2024-11-09 15:00:10,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:10,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:11,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:11,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:11,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:11,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:11,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:00:11,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:00:11,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:00:11,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:00:11,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (1/1) ... [2024-11-09 15:00:11,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:00:11,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:00:11,076 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) [2024-11-09 15:00:11,079 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 [2024-11-09 15:00:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-09 15:00:11,131 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-09 15:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 15:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 15:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 15:00:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 15:00:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 15:00:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:00:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:00:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 15:00:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:00:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:00:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 15:00:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 15:00:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:00:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 15:00:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 15:00:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 15:00:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:00:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 15:00:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 15:00:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:00:11,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:00:11,139 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 15:00:11,440 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:00:11,443 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:00:11,728 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 15:00:11,728 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:00:11,929 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:00:11,929 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 15:00:11,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:11 BoogieIcfgContainer [2024-11-09 15:00:11,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:00:11,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 15:00:11,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 15:00:11,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 15:00:11,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:00:10" (1/3) ... [2024-11-09 15:00:11,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae91394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:11, skipping insertion in model container [2024-11-09 15:00:11,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:10" (2/3) ... [2024-11-09 15:00:11,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae91394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:11, skipping insertion in model container [2024-11-09 15:00:11,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:11" (3/3) ... [2024-11-09 15:00:11,939 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-11-09 15:00:11,956 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 15:00:11,957 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 15:00:11,957 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 15:00:12,035 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 15:00:12,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2024-11-09 15:00:12,114 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2024-11-09 15:00:12,115 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 15:00:12,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 2/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2024-11-09 15:00:12,118 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2024-11-09 15:00:12,121 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2024-11-09 15:00:12,134 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 15:00:12,140 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;@43b3e63c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 15:00:12,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 15:00:12,151 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 15:00:12,151 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-09 15:00:12,151 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 15:00:12,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:12,154 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:12,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:12,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:12,158 INFO L85 PathProgramCache]: Analyzing trace with hash -215199965, now seen corresponding path program 1 times [2024-11-09 15:00:12,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:12,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118375148] [2024-11-09 15:00:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:12,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:13,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118375148] [2024-11-09 15:00:13,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118375148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:13,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:13,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:13,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933781324] [2024-11-09 15:00:13,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:13,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:13,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:13,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:13,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:13,230 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:13,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:13,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:13,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:13,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:13,941 INFO L124 PetriNetUnfolderBase]: 1309/2220 cut-off events. [2024-11-09 15:00:13,941 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-09 15:00:13,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4457 conditions, 2220 events. 1309/2220 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11613 event pairs, 581 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 4365. Up to 1340 conditions per place. [2024-11-09 15:00:13,961 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 85 selfloop transitions, 20 changer transitions 3/111 dead transitions. [2024-11-09 15:00:13,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 111 transitions, 462 flow [2024-11-09 15:00:13,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 15:00:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 15:00:13,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 172 transitions. [2024-11-09 15:00:13,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39090909090909093 [2024-11-09 15:00:13,979 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 10 states and 172 transitions. [2024-11-09 15:00:13,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 111 transitions, 462 flow [2024-11-09 15:00:13,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 111 transitions, 451 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 15:00:13,990 INFO L231 Difference]: Finished difference. Result has 56 places, 58 transitions, 208 flow [2024-11-09 15:00:13,993 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2024-11-09 15:00:13,998 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2024-11-09 15:00:13,998 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 208 flow [2024-11-09 15:00:13,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:13,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:13,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:13,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 15:00:13,999 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:13,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:14,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2146416997, now seen corresponding path program 1 times [2024-11-09 15:00:14,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:14,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736747482] [2024-11-09 15:00:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:14,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:14,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:14,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736747482] [2024-11-09 15:00:14,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736747482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:14,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:14,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:14,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316464630] [2024-11-09 15:00:14,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:14,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:14,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:14,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:14,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:14,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:14,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:14,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:14,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:14,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:14,935 INFO L124 PetriNetUnfolderBase]: 1551/2657 cut-off events. [2024-11-09 15:00:14,936 INFO L125 PetriNetUnfolderBase]: For 1048/1050 co-relation queries the response was YES. [2024-11-09 15:00:14,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 2657 events. 1551/2657 cut-off events. For 1048/1050 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14448 event pairs, 910 based on Foata normal form. 2/2419 useless extension candidates. Maximal degree in co-relation 5626. Up to 1866 conditions per place. [2024-11-09 15:00:14,952 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 83 selfloop transitions, 27 changer transitions 9/122 dead transitions. [2024-11-09 15:00:14,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 122 transitions, 650 flow [2024-11-09 15:00:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 15:00:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 15:00:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2024-11-09 15:00:14,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3840909090909091 [2024-11-09 15:00:14,958 INFO L175 Difference]: Start difference. First operand has 56 places, 58 transitions, 208 flow. Second operand 10 states and 169 transitions. [2024-11-09 15:00:14,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 122 transitions, 650 flow [2024-11-09 15:00:14,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 122 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 15:00:14,970 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 364 flow [2024-11-09 15:00:14,970 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=364, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2024-11-09 15:00:14,971 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2024-11-09 15:00:14,971 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 364 flow [2024-11-09 15:00:14,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:14,973 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:14,973 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:14,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 15:00:14,975 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:14,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:14,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1457176187, now seen corresponding path program 1 times [2024-11-09 15:00:14,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:14,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408662219] [2024-11-09 15:00:14,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:14,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:15,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:15,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408662219] [2024-11-09 15:00:15,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408662219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:15,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:15,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:15,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153097650] [2024-11-09 15:00:15,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:15,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:15,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:15,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:15,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:15,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:15,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 364 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:15,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:15,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:15,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:16,964 INFO L124 PetriNetUnfolderBase]: 2489/4295 cut-off events. [2024-11-09 15:00:16,965 INFO L125 PetriNetUnfolderBase]: For 3375/3385 co-relation queries the response was YES. [2024-11-09 15:00:16,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11976 conditions, 4295 events. 2489/4295 cut-off events. For 3375/3385 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 26392 event pairs, 1200 based on Foata normal form. 76/4155 useless extension candidates. Maximal degree in co-relation 8830. Up to 2376 conditions per place. [2024-11-09 15:00:16,992 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 150 selfloop transitions, 66 changer transitions 5/224 dead transitions. [2024-11-09 15:00:16,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 224 transitions, 1488 flow [2024-11-09 15:00:16,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 15:00:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 15:00:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 266 transitions. [2024-11-09 15:00:16,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35561497326203206 [2024-11-09 15:00:16,997 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 364 flow. Second operand 17 states and 266 transitions. [2024-11-09 15:00:16,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 224 transitions, 1488 flow [2024-11-09 15:00:17,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 224 transitions, 1488 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 15:00:17,027 INFO L231 Difference]: Finished difference. Result has 96 places, 133 transitions, 1003 flow [2024-11-09 15:00:17,028 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1003, PETRI_PLACES=96, PETRI_TRANSITIONS=133} [2024-11-09 15:00:17,030 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 51 predicate places. [2024-11-09 15:00:17,030 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 133 transitions, 1003 flow [2024-11-09 15:00:17,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:17,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:17,031 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:17,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 15:00:17,031 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:17,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:17,032 INFO L85 PathProgramCache]: Analyzing trace with hash 430444549, now seen corresponding path program 2 times [2024-11-09 15:00:17,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:17,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442195504] [2024-11-09 15:00:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:17,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:17,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:17,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442195504] [2024-11-09 15:00:17,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442195504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:17,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:17,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:17,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587377947] [2024-11-09 15:00:17,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:17,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:17,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:17,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:17,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:17,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:17,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 133 transitions, 1003 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:17,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:17,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:17,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:19,132 INFO L124 PetriNetUnfolderBase]: 2725/4710 cut-off events. [2024-11-09 15:00:19,132 INFO L125 PetriNetUnfolderBase]: For 10671/10686 co-relation queries the response was YES. [2024-11-09 15:00:19,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16168 conditions, 4710 events. 2725/4710 cut-off events. For 10671/10686 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 29364 event pairs, 1037 based on Foata normal form. 81/4535 useless extension candidates. Maximal degree in co-relation 15535. Up to 2167 conditions per place. [2024-11-09 15:00:19,171 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 152 selfloop transitions, 114 changer transitions 4/273 dead transitions. [2024-11-09 15:00:19,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 273 transitions, 2321 flow [2024-11-09 15:00:19,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 15:00:19,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-09 15:00:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 314 transitions. [2024-11-09 15:00:19,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3243801652892562 [2024-11-09 15:00:19,174 INFO L175 Difference]: Start difference. First operand has 96 places, 133 transitions, 1003 flow. Second operand 22 states and 314 transitions. [2024-11-09 15:00:19,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 273 transitions, 2321 flow [2024-11-09 15:00:19,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 273 transitions, 2225 flow, removed 40 selfloop flow, removed 3 redundant places. [2024-11-09 15:00:19,231 INFO L231 Difference]: Finished difference. Result has 122 places, 184 transitions, 1753 flow [2024-11-09 15:00:19,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1753, PETRI_PLACES=122, PETRI_TRANSITIONS=184} [2024-11-09 15:00:19,232 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 77 predicate places. [2024-11-09 15:00:19,232 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 184 transitions, 1753 flow [2024-11-09 15:00:19,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:19,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:19,233 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:19,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 15:00:19,233 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:19,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:19,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1333101199, now seen corresponding path program 1 times [2024-11-09 15:00:19,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:19,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836564346] [2024-11-09 15:00:19,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:19,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:19,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:19,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836564346] [2024-11-09 15:00:19,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836564346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:19,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:19,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:19,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626407730] [2024-11-09 15:00:19,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:19,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:19,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:19,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:19,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:19,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:19,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 184 transitions, 1753 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:19,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:19,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:19,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:21,030 INFO L124 PetriNetUnfolderBase]: 3111/5456 cut-off events. [2024-11-09 15:00:21,030 INFO L125 PetriNetUnfolderBase]: For 18151/18163 co-relation queries the response was YES. [2024-11-09 15:00:21,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20816 conditions, 5456 events. 3111/5456 cut-off events. For 18151/18163 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 35644 event pairs, 1654 based on Foata normal form. 88/5260 useless extension candidates. Maximal degree in co-relation 20167. Up to 4114 conditions per place. [2024-11-09 15:00:21,071 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 172 selfloop transitions, 66 changer transitions 18/259 dead transitions. [2024-11-09 15:00:21,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 259 transitions, 2715 flow [2024-11-09 15:00:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:00:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:00:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 200 transitions. [2024-11-09 15:00:21,073 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3787878787878788 [2024-11-09 15:00:21,073 INFO L175 Difference]: Start difference. First operand has 122 places, 184 transitions, 1753 flow. Second operand 12 states and 200 transitions. [2024-11-09 15:00:21,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 259 transitions, 2715 flow [2024-11-09 15:00:21,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 259 transitions, 2599 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-09 15:00:21,163 INFO L231 Difference]: Finished difference. Result has 131 places, 194 transitions, 1955 flow [2024-11-09 15:00:21,163 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1955, PETRI_PLACES=131, PETRI_TRANSITIONS=194} [2024-11-09 15:00:21,164 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2024-11-09 15:00:21,164 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 194 transitions, 1955 flow [2024-11-09 15:00:21,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:21,165 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:21,165 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:21,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 15:00:21,165 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:21,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:21,166 INFO L85 PathProgramCache]: Analyzing trace with hash -668124875, now seen corresponding path program 1 times [2024-11-09 15:00:21,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:21,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143469094] [2024-11-09 15:00:21,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:21,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:21,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:21,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143469094] [2024-11-09 15:00:21,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143469094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:21,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:21,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:00:21,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519529677] [2024-11-09 15:00:21,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:21,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 15:00:21,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:21,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:00:21,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:00:21,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2024-11-09 15:00:21,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 194 transitions, 1955 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:21,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:21,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2024-11-09 15:00:21,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:21,792 INFO L124 PetriNetUnfolderBase]: 1957/3514 cut-off events. [2024-11-09 15:00:21,792 INFO L125 PetriNetUnfolderBase]: For 10211/10213 co-relation queries the response was YES. [2024-11-09 15:00:21,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 3514 events. 1957/3514 cut-off events. For 10211/10213 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 21437 event pairs, 750 based on Foata normal form. 0/3326 useless extension candidates. Maximal degree in co-relation 13066. Up to 2271 conditions per place. [2024-11-09 15:00:21,820 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 218 selfloop transitions, 21 changer transitions 0/241 dead transitions. [2024-11-09 15:00:21,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 241 transitions, 2798 flow [2024-11-09 15:00:21,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:00:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 15:00:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-11-09 15:00:21,822 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2024-11-09 15:00:21,822 INFO L175 Difference]: Start difference. First operand has 131 places, 194 transitions, 1955 flow. Second operand 4 states and 90 transitions. [2024-11-09 15:00:21,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 241 transitions, 2798 flow [2024-11-09 15:00:21,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 241 transitions, 2670 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-09 15:00:21,898 INFO L231 Difference]: Finished difference. Result has 124 places, 154 transitions, 1459 flow [2024-11-09 15:00:21,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1417, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1459, PETRI_PLACES=124, PETRI_TRANSITIONS=154} [2024-11-09 15:00:21,899 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 79 predicate places. [2024-11-09 15:00:21,899 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 154 transitions, 1459 flow [2024-11-09 15:00:21,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:21,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:21,900 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:21,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 15:00:21,900 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:21,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:21,901 INFO L85 PathProgramCache]: Analyzing trace with hash -293763805, now seen corresponding path program 2 times [2024-11-09 15:00:21,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:21,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356551135] [2024-11-09 15:00:21,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:21,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:22,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:22,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356551135] [2024-11-09 15:00:22,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356551135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:22,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:22,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:22,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924209956] [2024-11-09 15:00:22,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:22,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:22,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:22,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:22,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:22,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:22,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 154 transitions, 1459 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:22,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:22,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:22,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:23,637 INFO L124 PetriNetUnfolderBase]: 2147/3922 cut-off events. [2024-11-09 15:00:23,637 INFO L125 PetriNetUnfolderBase]: For 11147/11157 co-relation queries the response was YES. [2024-11-09 15:00:23,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14844 conditions, 3922 events. 2147/3922 cut-off events. For 11147/11157 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 24060 event pairs, 940 based on Foata normal form. 72/3808 useless extension candidates. Maximal degree in co-relation 14460. Up to 2071 conditions per place. [2024-11-09 15:00:23,670 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 148 selfloop transitions, 59 changer transitions 16/225 dead transitions. [2024-11-09 15:00:23,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 225 transitions, 2259 flow [2024-11-09 15:00:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:23,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 217 transitions. [2024-11-09 15:00:23,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3287878787878788 [2024-11-09 15:00:23,672 INFO L175 Difference]: Start difference. First operand has 124 places, 154 transitions, 1459 flow. Second operand 15 states and 217 transitions. [2024-11-09 15:00:23,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 225 transitions, 2259 flow [2024-11-09 15:00:23,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 225 transitions, 2206 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-09 15:00:23,749 INFO L231 Difference]: Finished difference. Result has 139 places, 158 transitions, 1618 flow [2024-11-09 15:00:23,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1618, PETRI_PLACES=139, PETRI_TRANSITIONS=158} [2024-11-09 15:00:23,750 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 94 predicate places. [2024-11-09 15:00:23,750 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 158 transitions, 1618 flow [2024-11-09 15:00:23,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:23,750 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:23,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:23,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 15:00:23,751 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:23,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:23,751 INFO L85 PathProgramCache]: Analyzing trace with hash -421152827, now seen corresponding path program 3 times [2024-11-09 15:00:23,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:23,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838398570] [2024-11-09 15:00:23,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:23,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:24,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:24,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838398570] [2024-11-09 15:00:24,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838398570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:24,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:24,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:24,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550158305] [2024-11-09 15:00:24,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:24,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:24,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:24,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:24,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:24,129 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:24,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 158 transitions, 1618 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:24,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:24,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:24,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:25,228 INFO L124 PetriNetUnfolderBase]: 1983/3642 cut-off events. [2024-11-09 15:00:25,228 INFO L125 PetriNetUnfolderBase]: For 11129/11139 co-relation queries the response was YES. [2024-11-09 15:00:25,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14190 conditions, 3642 events. 1983/3642 cut-off events. For 11129/11139 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 22167 event pairs, 751 based on Foata normal form. 80/3566 useless extension candidates. Maximal degree in co-relation 13803. Up to 1899 conditions per place. [2024-11-09 15:00:25,263 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 163 selfloop transitions, 85 changer transitions 19/269 dead transitions. [2024-11-09 15:00:25,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 269 transitions, 2863 flow [2024-11-09 15:00:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:00:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 15:00:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 273 transitions. [2024-11-09 15:00:25,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.326555023923445 [2024-11-09 15:00:25,270 INFO L175 Difference]: Start difference. First operand has 139 places, 158 transitions, 1618 flow. Second operand 19 states and 273 transitions. [2024-11-09 15:00:25,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 269 transitions, 2863 flow [2024-11-09 15:00:25,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 269 transitions, 2743 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-11-09 15:00:25,363 INFO L231 Difference]: Finished difference. Result has 155 places, 175 transitions, 1989 flow [2024-11-09 15:00:25,365 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1989, PETRI_PLACES=155, PETRI_TRANSITIONS=175} [2024-11-09 15:00:25,366 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 110 predicate places. [2024-11-09 15:00:25,368 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 175 transitions, 1989 flow [2024-11-09 15:00:25,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:25,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:25,368 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:25,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 15:00:25,369 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:25,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:25,369 INFO L85 PathProgramCache]: Analyzing trace with hash -421152507, now seen corresponding path program 3 times [2024-11-09 15:00:25,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:25,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673516913] [2024-11-09 15:00:25,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:25,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:25,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:25,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673516913] [2024-11-09 15:00:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673516913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:25,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:25,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131146744] [2024-11-09 15:00:25,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:25,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:25,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:25,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:25,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:25,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:25,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 175 transitions, 1989 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:25,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:25,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:25,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:26,954 INFO L124 PetriNetUnfolderBase]: 1348/2491 cut-off events. [2024-11-09 15:00:26,954 INFO L125 PetriNetUnfolderBase]: For 10755/10765 co-relation queries the response was YES. [2024-11-09 15:00:26,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 2491 events. 1348/2491 cut-off events. For 10755/10765 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14274 event pairs, 411 based on Foata normal form. 46/2393 useless extension candidates. Maximal degree in co-relation 10955. Up to 1219 conditions per place. [2024-11-09 15:00:26,982 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 160 selfloop transitions, 89 changer transitions 8/259 dead transitions. [2024-11-09 15:00:26,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 259 transitions, 2982 flow [2024-11-09 15:00:26,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 15:00:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 15:00:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 286 transitions. [2024-11-09 15:00:26,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2024-11-09 15:00:26,985 INFO L175 Difference]: Start difference. First operand has 155 places, 175 transitions, 1989 flow. Second operand 21 states and 286 transitions. [2024-11-09 15:00:26,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 259 transitions, 2982 flow [2024-11-09 15:00:27,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 259 transitions, 2818 flow, removed 43 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:27,075 INFO L231 Difference]: Finished difference. Result has 171 places, 192 transitions, 2285 flow [2024-11-09 15:00:27,075 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2285, PETRI_PLACES=171, PETRI_TRANSITIONS=192} [2024-11-09 15:00:27,076 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 126 predicate places. [2024-11-09 15:00:27,076 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 192 transitions, 2285 flow [2024-11-09 15:00:27,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:27,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:27,077 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:27,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 15:00:27,077 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:27,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:27,079 INFO L85 PathProgramCache]: Analyzing trace with hash -853563660, now seen corresponding path program 1 times [2024-11-09 15:00:27,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:27,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10542621] [2024-11-09 15:00:27,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:27,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:27,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:27,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10542621] [2024-11-09 15:00:27,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10542621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:27,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:27,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:27,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900735543] [2024-11-09 15:00:27,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:27,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:27,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:27,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:27,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:27,709 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:27,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 192 transitions, 2285 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:27,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:27,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:27,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:28,654 INFO L124 PetriNetUnfolderBase]: 1421/2624 cut-off events. [2024-11-09 15:00:28,654 INFO L125 PetriNetUnfolderBase]: For 13664/13674 co-relation queries the response was YES. [2024-11-09 15:00:28,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12594 conditions, 2624 events. 1421/2624 cut-off events. For 13664/13674 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 15373 event pairs, 494 based on Foata normal form. 10/2508 useless extension candidates. Maximal degree in co-relation 12142. Up to 1521 conditions per place. [2024-11-09 15:00:28,676 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 207 selfloop transitions, 74 changer transitions 7/290 dead transitions. [2024-11-09 15:00:28,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 290 transitions, 3339 flow [2024-11-09 15:00:28,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 15:00:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 15:00:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 285 transitions. [2024-11-09 15:00:28,679 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2024-11-09 15:00:28,679 INFO L175 Difference]: Start difference. First operand has 171 places, 192 transitions, 2285 flow. Second operand 20 states and 285 transitions. [2024-11-09 15:00:28,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 290 transitions, 3339 flow [2024-11-09 15:00:28,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 290 transitions, 3232 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-11-09 15:00:28,801 INFO L231 Difference]: Finished difference. Result has 188 places, 204 transitions, 2522 flow [2024-11-09 15:00:28,802 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2182, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2522, PETRI_PLACES=188, PETRI_TRANSITIONS=204} [2024-11-09 15:00:28,802 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 143 predicate places. [2024-11-09 15:00:28,802 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 204 transitions, 2522 flow [2024-11-09 15:00:28,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:28,803 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:28,803 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:28,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 15:00:28,803 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:28,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:28,803 INFO L85 PathProgramCache]: Analyzing trace with hash 169149641, now seen corresponding path program 1 times [2024-11-09 15:00:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:28,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353287530] [2024-11-09 15:00:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:29,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:29,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353287530] [2024-11-09 15:00:29,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353287530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:29,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:29,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:29,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038553428] [2024-11-09 15:00:29,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:29,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:29,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:29,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:29,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:29,372 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:29,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 204 transitions, 2522 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:29,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:29,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:29,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:30,150 INFO L124 PetriNetUnfolderBase]: 1366/2537 cut-off events. [2024-11-09 15:00:30,150 INFO L125 PetriNetUnfolderBase]: For 18155/18165 co-relation queries the response was YES. [2024-11-09 15:00:30,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12644 conditions, 2537 events. 1366/2537 cut-off events. For 18155/18165 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 14814 event pairs, 506 based on Foata normal form. 46/2523 useless extension candidates. Maximal degree in co-relation 12183. Up to 1573 conditions per place. [2024-11-09 15:00:30,174 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 189 selfloop transitions, 71 changer transitions 10/272 dead transitions. [2024-11-09 15:00:30,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 272 transitions, 3316 flow [2024-11-09 15:00:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 15:00:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 15:00:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 248 transitions. [2024-11-09 15:00:30,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3315508021390374 [2024-11-09 15:00:30,176 INFO L175 Difference]: Start difference. First operand has 188 places, 204 transitions, 2522 flow. Second operand 17 states and 248 transitions. [2024-11-09 15:00:30,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 272 transitions, 3316 flow [2024-11-09 15:00:30,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 272 transitions, 3162 flow, removed 14 selfloop flow, removed 11 redundant places. [2024-11-09 15:00:30,286 INFO L231 Difference]: Finished difference. Result has 194 places, 202 transitions, 2507 flow [2024-11-09 15:00:30,287 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2368, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2507, PETRI_PLACES=194, PETRI_TRANSITIONS=202} [2024-11-09 15:00:30,287 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 149 predicate places. [2024-11-09 15:00:30,288 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 202 transitions, 2507 flow [2024-11-09 15:00:30,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:30,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:30,288 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:30,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 15:00:30,288 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:30,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:30,288 INFO L85 PathProgramCache]: Analyzing trace with hash -187265719, now seen corresponding path program 1 times [2024-11-09 15:00:30,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:30,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797452731] [2024-11-09 15:00:30,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:30,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:30,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:30,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:30,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797452731] [2024-11-09 15:00:30,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797452731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:30,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:30,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:30,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572564534] [2024-11-09 15:00:30,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:30,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:30,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:30,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:30,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:30,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:30,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 202 transitions, 2507 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:30,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:30,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:30,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:31,642 INFO L124 PetriNetUnfolderBase]: 1484/2790 cut-off events. [2024-11-09 15:00:31,642 INFO L125 PetriNetUnfolderBase]: For 21310/21320 co-relation queries the response was YES. [2024-11-09 15:00:31,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13999 conditions, 2790 events. 1484/2790 cut-off events. For 21310/21320 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 16700 event pairs, 575 based on Foata normal form. 10/2764 useless extension candidates. Maximal degree in co-relation 13850. Up to 1033 conditions per place. [2024-11-09 15:00:31,664 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 208 selfloop transitions, 95 changer transitions 7/312 dead transitions. [2024-11-09 15:00:31,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 312 transitions, 3807 flow [2024-11-09 15:00:31,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 15:00:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-09 15:00:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 306 transitions. [2024-11-09 15:00:31,666 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30237154150197626 [2024-11-09 15:00:31,666 INFO L175 Difference]: Start difference. First operand has 194 places, 202 transitions, 2507 flow. Second operand 23 states and 306 transitions. [2024-11-09 15:00:31,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 312 transitions, 3807 flow [2024-11-09 15:00:31,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 312 transitions, 3681 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-11-09 15:00:31,773 INFO L231 Difference]: Finished difference. Result has 204 places, 217 transitions, 2844 flow [2024-11-09 15:00:31,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2390, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2844, PETRI_PLACES=204, PETRI_TRANSITIONS=217} [2024-11-09 15:00:31,774 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 159 predicate places. [2024-11-09 15:00:31,774 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 217 transitions, 2844 flow [2024-11-09 15:00:31,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:31,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:31,775 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:31,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 15:00:31,775 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:31,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:31,775 INFO L85 PathProgramCache]: Analyzing trace with hash -585472834, now seen corresponding path program 1 times [2024-11-09 15:00:31,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:31,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040435004] [2024-11-09 15:00:31,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:31,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:32,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:32,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040435004] [2024-11-09 15:00:32,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040435004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:32,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:32,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 15:00:32,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442651288] [2024-11-09 15:00:32,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:32,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:00:32,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:32,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:00:32,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:00:32,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:32,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 217 transitions, 2844 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:32,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:32,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:32,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:33,240 INFO L124 PetriNetUnfolderBase]: 1590/2981 cut-off events. [2024-11-09 15:00:33,240 INFO L125 PetriNetUnfolderBase]: For 26506/26516 co-relation queries the response was YES. [2024-11-09 15:00:33,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15240 conditions, 2981 events. 1590/2981 cut-off events. For 26506/26516 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 18165 event pairs, 553 based on Foata normal form. 34/3015 useless extension candidates. Maximal degree in co-relation 14662. Up to 771 conditions per place. [2024-11-09 15:00:33,262 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 215 selfloop transitions, 81 changer transitions 30/328 dead transitions. [2024-11-09 15:00:33,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 328 transitions, 4155 flow [2024-11-09 15:00:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 279 transitions. [2024-11-09 15:00:33,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3522727272727273 [2024-11-09 15:00:33,264 INFO L175 Difference]: Start difference. First operand has 204 places, 217 transitions, 2844 flow. Second operand 18 states and 279 transitions. [2024-11-09 15:00:33,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 328 transitions, 4155 flow [2024-11-09 15:00:33,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 328 transitions, 4012 flow, removed 8 selfloop flow, removed 14 redundant places. [2024-11-09 15:00:33,359 INFO L231 Difference]: Finished difference. Result has 208 places, 215 transitions, 2841 flow [2024-11-09 15:00:33,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2685, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2841, PETRI_PLACES=208, PETRI_TRANSITIONS=215} [2024-11-09 15:00:33,360 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 163 predicate places. [2024-11-09 15:00:33,360 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 215 transitions, 2841 flow [2024-11-09 15:00:33,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:33,360 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:33,361 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:33,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 15:00:33,361 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:33,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:33,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166247, now seen corresponding path program 2 times [2024-11-09 15:00:33,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:33,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285274600] [2024-11-09 15:00:33,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:33,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:33,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:33,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285274600] [2024-11-09 15:00:33,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285274600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:33,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:33,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:33,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427016031] [2024-11-09 15:00:33,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:33,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:33,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:33,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:33,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:33,919 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:33,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 215 transitions, 2841 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:33,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:33,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:33,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:35,089 INFO L124 PetriNetUnfolderBase]: 1719/3227 cut-off events. [2024-11-09 15:00:35,089 INFO L125 PetriNetUnfolderBase]: For 29084/29094 co-relation queries the response was YES. [2024-11-09 15:00:35,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16696 conditions, 3227 events. 1719/3227 cut-off events. For 29084/29094 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 20131 event pairs, 605 based on Foata normal form. 28/3255 useless extension candidates. Maximal degree in co-relation 15963. Up to 2174 conditions per place. [2024-11-09 15:00:35,116 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 252 selfloop transitions, 89 changer transitions 0/343 dead transitions. [2024-11-09 15:00:35,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 343 transitions, 4228 flow [2024-11-09 15:00:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 15:00:35,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-09 15:00:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 339 transitions. [2024-11-09 15:00:35,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3210227272727273 [2024-11-09 15:00:35,118 INFO L175 Difference]: Start difference. First operand has 208 places, 215 transitions, 2841 flow. Second operand 24 states and 339 transitions. [2024-11-09 15:00:35,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 343 transitions, 4228 flow [2024-11-09 15:00:35,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 343 transitions, 3970 flow, removed 79 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:35,238 INFO L231 Difference]: Finished difference. Result has 223 places, 244 transitions, 3269 flow [2024-11-09 15:00:35,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2687, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3269, PETRI_PLACES=223, PETRI_TRANSITIONS=244} [2024-11-09 15:00:35,239 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 178 predicate places. [2024-11-09 15:00:35,239 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 244 transitions, 3269 flow [2024-11-09 15:00:35,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:35,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:35,239 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:35,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 15:00:35,240 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:35,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1440492951, now seen corresponding path program 3 times [2024-11-09 15:00:35,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:35,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959745597] [2024-11-09 15:00:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:35,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:35,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:35,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959745597] [2024-11-09 15:00:35,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959745597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:35,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:35,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:35,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735127450] [2024-11-09 15:00:35,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:35,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:35,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:35,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:35,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:35,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:35,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 244 transitions, 3269 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:35,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:35,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:35,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:37,060 INFO L124 PetriNetUnfolderBase]: 1754/3307 cut-off events. [2024-11-09 15:00:37,060 INFO L125 PetriNetUnfolderBase]: For 30732/30742 co-relation queries the response was YES. [2024-11-09 15:00:37,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17092 conditions, 3307 events. 1754/3307 cut-off events. For 30732/30742 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 20833 event pairs, 403 based on Foata normal form. 28/3335 useless extension candidates. Maximal degree in co-relation 16199. Up to 1226 conditions per place. [2024-11-09 15:00:37,086 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 210 selfloop transitions, 138 changer transitions 8/358 dead transitions. [2024-11-09 15:00:37,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 358 transitions, 4540 flow [2024-11-09 15:00:37,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 15:00:37,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-09 15:00:37,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-11-09 15:00:37,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-11-09 15:00:37,088 INFO L175 Difference]: Start difference. First operand has 223 places, 244 transitions, 3269 flow. Second operand 24 states and 341 transitions. [2024-11-09 15:00:37,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 358 transitions, 4540 flow [2024-11-09 15:00:37,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 358 transitions, 4388 flow, removed 40 selfloop flow, removed 7 redundant places. [2024-11-09 15:00:37,221 INFO L231 Difference]: Finished difference. Result has 245 places, 254 transitions, 3712 flow [2024-11-09 15:00:37,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3141, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3712, PETRI_PLACES=245, PETRI_TRANSITIONS=254} [2024-11-09 15:00:37,222 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 200 predicate places. [2024-11-09 15:00:37,222 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 254 transitions, 3712 flow [2024-11-09 15:00:37,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:37,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:37,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:37,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 15:00:37,223 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:37,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:37,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166246, now seen corresponding path program 2 times [2024-11-09 15:00:37,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:37,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115815942] [2024-11-09 15:00:37,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:37,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:37,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:37,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115815942] [2024-11-09 15:00:37,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115815942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:37,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:37,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:37,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417929857] [2024-11-09 15:00:37,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:37,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:37,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:37,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:37,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:37,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:37,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 254 transitions, 3712 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:37,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:37,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:37,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:39,020 INFO L124 PetriNetUnfolderBase]: 1721/3271 cut-off events. [2024-11-09 15:00:39,020 INFO L125 PetriNetUnfolderBase]: For 37281/37291 co-relation queries the response was YES. [2024-11-09 15:00:39,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17559 conditions, 3271 events. 1721/3271 cut-off events. For 37281/37291 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20776 event pairs, 606 based on Foata normal form. 46/3317 useless extension candidates. Maximal degree in co-relation 17479. Up to 2184 conditions per place. [2024-11-09 15:00:39,048 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 247 selfloop transitions, 92 changer transitions 10/351 dead transitions. [2024-11-09 15:00:39,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 351 transitions, 4639 flow [2024-11-09 15:00:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 15:00:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-09 15:00:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 338 transitions. [2024-11-09 15:00:39,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32007575757575757 [2024-11-09 15:00:39,049 INFO L175 Difference]: Start difference. First operand has 245 places, 254 transitions, 3712 flow. Second operand 24 states and 338 transitions. [2024-11-09 15:00:39,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 351 transitions, 4639 flow [2024-11-09 15:00:39,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 351 transitions, 4488 flow, removed 8 selfloop flow, removed 18 redundant places. [2024-11-09 15:00:39,215 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 3755 flow [2024-11-09 15:00:39,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3497, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3755, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2024-11-09 15:00:39,216 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 207 predicate places. [2024-11-09 15:00:39,216 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 3755 flow [2024-11-09 15:00:39,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:39,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:39,216 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:39,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 15:00:39,217 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:39,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:39,217 INFO L85 PathProgramCache]: Analyzing trace with hash -78545848, now seen corresponding path program 3 times [2024-11-09 15:00:39,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:39,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124630120] [2024-11-09 15:00:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:39,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:39,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124630120] [2024-11-09 15:00:39,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124630120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:39,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:39,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:39,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994882404] [2024-11-09 15:00:39,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:39,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:39,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:39,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:39,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:39,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:39,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 3755 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:39,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:39,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:39,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:40,871 INFO L124 PetriNetUnfolderBase]: 1682/3230 cut-off events. [2024-11-09 15:00:40,871 INFO L125 PetriNetUnfolderBase]: For 38925/38935 co-relation queries the response was YES. [2024-11-09 15:00:40,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17875 conditions, 3230 events. 1682/3230 cut-off events. For 38925/38935 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 20577 event pairs, 394 based on Foata normal form. 32/3262 useless extension candidates. Maximal degree in co-relation 16910. Up to 1160 conditions per place. [2024-11-09 15:00:40,897 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 226 selfloop transitions, 120 changer transitions 15/363 dead transitions. [2024-11-09 15:00:40,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 4945 flow [2024-11-09 15:00:40,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 15:00:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-09 15:00:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-11-09 15:00:40,899 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-11-09 15:00:40,899 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 3755 flow. Second operand 24 states and 341 transitions. [2024-11-09 15:00:40,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 4945 flow [2024-11-09 15:00:41,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 363 transitions, 4739 flow, removed 30 selfloop flow, removed 19 redundant places. [2024-11-09 15:00:41,093 INFO L231 Difference]: Finished difference. Result has 257 places, 250 transitions, 3932 flow [2024-11-09 15:00:41,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3542, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3932, PETRI_PLACES=257, PETRI_TRANSITIONS=250} [2024-11-09 15:00:41,094 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 212 predicate places. [2024-11-09 15:00:41,094 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 250 transitions, 3932 flow [2024-11-09 15:00:41,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:41,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:41,095 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:41,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 15:00:41,095 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:41,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:41,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338218, now seen corresponding path program 4 times [2024-11-09 15:00:41,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:41,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101083687] [2024-11-09 15:00:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:41,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:41,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101083687] [2024-11-09 15:00:41,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101083687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:41,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:41,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:41,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613166660] [2024-11-09 15:00:41,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:41,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:41,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:41,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:41,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:41,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:41,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 250 transitions, 3932 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:41,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:41,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:41,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:42,898 INFO L124 PetriNetUnfolderBase]: 1760/3392 cut-off events. [2024-11-09 15:00:42,898 INFO L125 PetriNetUnfolderBase]: For 41560/41570 co-relation queries the response was YES. [2024-11-09 15:00:42,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18924 conditions, 3392 events. 1760/3392 cut-off events. For 41560/41570 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 21943 event pairs, 561 based on Foata normal form. 26/3418 useless extension candidates. Maximal degree in co-relation 18420. Up to 2328 conditions per place. [2024-11-09 15:00:42,926 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 279 selfloop transitions, 93 changer transitions 0/374 dead transitions. [2024-11-09 15:00:42,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 374 transitions, 5227 flow [2024-11-09 15:00:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 15:00:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-09 15:00:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 310 transitions. [2024-11-09 15:00:42,927 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3202479338842975 [2024-11-09 15:00:42,928 INFO L175 Difference]: Start difference. First operand has 257 places, 250 transitions, 3932 flow. Second operand 22 states and 310 transitions. [2024-11-09 15:00:42,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 374 transitions, 5227 flow [2024-11-09 15:00:43,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 374 transitions, 5029 flow, removed 12 selfloop flow, removed 19 redundant places. [2024-11-09 15:00:43,108 INFO L231 Difference]: Finished difference. Result has 269 places, 278 transitions, 4301 flow [2024-11-09 15:00:43,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3750, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=4301, PETRI_PLACES=269, PETRI_TRANSITIONS=278} [2024-11-09 15:00:43,109 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 224 predicate places. [2024-11-09 15:00:43,109 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 278 transitions, 4301 flow [2024-11-09 15:00:43,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:43,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:43,109 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:43,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 15:00:43,110 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:43,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:43,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657664, now seen corresponding path program 5 times [2024-11-09 15:00:43,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:43,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399226783] [2024-11-09 15:00:43,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:43,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:43,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:43,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399226783] [2024-11-09 15:00:43,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399226783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:43,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:43,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:43,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218417726] [2024-11-09 15:00:43,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:43,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:43,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:43,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:43,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:43,616 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:43,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 278 transitions, 4301 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:43,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:43,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:43,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:44,985 INFO L124 PetriNetUnfolderBase]: 1938/3727 cut-off events. [2024-11-09 15:00:44,985 INFO L125 PetriNetUnfolderBase]: For 48332/48342 co-relation queries the response was YES. [2024-11-09 15:00:45,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21622 conditions, 3727 events. 1938/3727 cut-off events. For 48332/48342 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 24675 event pairs, 411 based on Foata normal form. 28/3755 useless extension candidates. Maximal degree in co-relation 21116. Up to 1431 conditions per place. [2024-11-09 15:00:45,022 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 244 selfloop transitions, 162 changer transitions 10/418 dead transitions. [2024-11-09 15:00:45,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 418 transitions, 6163 flow [2024-11-09 15:00:45,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 15:00:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-09 15:00:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-11-09 15:00:45,024 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-11-09 15:00:45,024 INFO L175 Difference]: Start difference. First operand has 269 places, 278 transitions, 4301 flow. Second operand 23 states and 320 transitions. [2024-11-09 15:00:45,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 418 transitions, 6163 flow [2024-11-09 15:00:45,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 418 transitions, 5948 flow, removed 61 selfloop flow, removed 7 redundant places. [2024-11-09 15:00:45,324 INFO L231 Difference]: Finished difference. Result has 293 places, 308 transitions, 5118 flow [2024-11-09 15:00:45,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4126, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5118, PETRI_PLACES=293, PETRI_TRANSITIONS=308} [2024-11-09 15:00:45,325 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 248 predicate places. [2024-11-09 15:00:45,325 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 308 transitions, 5118 flow [2024-11-09 15:00:45,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:45,325 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:45,325 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:45,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 15:00:45,325 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:45,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:45,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657665, now seen corresponding path program 4 times [2024-11-09 15:00:45,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:45,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495727564] [2024-11-09 15:00:45,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:45,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:45,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:45,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495727564] [2024-11-09 15:00:45,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495727564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:45,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:45,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:45,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536757096] [2024-11-09 15:00:45,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:45,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:45,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:45,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:45,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:45,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:45,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 308 transitions, 5118 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:45,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:45,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:45,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:46,995 INFO L124 PetriNetUnfolderBase]: 1913/3692 cut-off events. [2024-11-09 15:00:46,996 INFO L125 PetriNetUnfolderBase]: For 59065/59075 co-relation queries the response was YES. [2024-11-09 15:00:47,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22788 conditions, 3692 events. 1913/3692 cut-off events. For 59065/59075 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 24464 event pairs, 448 based on Foata normal form. 28/3720 useless extension candidates. Maximal degree in co-relation 22258. Up to 1559 conditions per place. [2024-11-09 15:00:47,035 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 214 selfloop transitions, 168 changer transitions 17/401 dead transitions. [2024-11-09 15:00:47,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 401 transitions, 6385 flow [2024-11-09 15:00:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 15:00:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-09 15:00:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 310 transitions. [2024-11-09 15:00:47,037 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30632411067193677 [2024-11-09 15:00:47,037 INFO L175 Difference]: Start difference. First operand has 293 places, 308 transitions, 5118 flow. Second operand 23 states and 310 transitions. [2024-11-09 15:00:47,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 401 transitions, 6385 flow [2024-11-09 15:00:47,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 401 transitions, 6194 flow, removed 38 selfloop flow, removed 11 redundant places. [2024-11-09 15:00:47,378 INFO L231 Difference]: Finished difference. Result has 309 places, 314 transitions, 5489 flow [2024-11-09 15:00:47,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4915, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5489, PETRI_PLACES=309, PETRI_TRANSITIONS=314} [2024-11-09 15:00:47,378 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 264 predicate places. [2024-11-09 15:00:47,379 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 314 transitions, 5489 flow [2024-11-09 15:00:47,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:47,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:47,379 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:47,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 15:00:47,379 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:47,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:47,380 INFO L85 PathProgramCache]: Analyzing trace with hash 519916985, now seen corresponding path program 5 times [2024-11-09 15:00:47,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:47,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331602707] [2024-11-09 15:00:47,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:47,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:47,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:47,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331602707] [2024-11-09 15:00:47,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331602707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:47,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:47,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:47,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295209365] [2024-11-09 15:00:47,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:47,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:47,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:47,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:47,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:47,864 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:47,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 314 transitions, 5489 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:47,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:47,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:47,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:49,303 INFO L124 PetriNetUnfolderBase]: 1899/3662 cut-off events. [2024-11-09 15:00:49,303 INFO L125 PetriNetUnfolderBase]: For 64898/64908 co-relation queries the response was YES. [2024-11-09 15:00:49,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23040 conditions, 3662 events. 1899/3662 cut-off events. For 64898/64908 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 24247 event pairs, 426 based on Foata normal form. 28/3690 useless extension candidates. Maximal degree in co-relation 22564. Up to 1504 conditions per place. [2024-11-09 15:00:49,336 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 252 selfloop transitions, 156 changer transitions 5/415 dead transitions. [2024-11-09 15:00:49,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 415 transitions, 6757 flow [2024-11-09 15:00:49,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 15:00:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-09 15:00:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 347 transitions. [2024-11-09 15:00:49,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31545454545454543 [2024-11-09 15:00:49,338 INFO L175 Difference]: Start difference. First operand has 309 places, 314 transitions, 5489 flow. Second operand 25 states and 347 transitions. [2024-11-09 15:00:49,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 415 transitions, 6757 flow [2024-11-09 15:00:49,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 415 transitions, 6557 flow, removed 18 selfloop flow, removed 15 redundant places. [2024-11-09 15:00:49,624 INFO L231 Difference]: Finished difference. Result has 321 places, 318 transitions, 5829 flow [2024-11-09 15:00:49,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5247, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5829, PETRI_PLACES=321, PETRI_TRANSITIONS=318} [2024-11-09 15:00:49,625 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 276 predicate places. [2024-11-09 15:00:49,625 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 318 transitions, 5829 flow [2024-11-09 15:00:49,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:49,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:49,625 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:49,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 15:00:49,625 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:49,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:49,626 INFO L85 PathProgramCache]: Analyzing trace with hash 519916984, now seen corresponding path program 6 times [2024-11-09 15:00:49,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:49,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665333834] [2024-11-09 15:00:49,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:49,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:50,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665333834] [2024-11-09 15:00:50,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665333834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:50,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:50,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:50,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503703808] [2024-11-09 15:00:50,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:50,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:50,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:50,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:50,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:50,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:50,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 318 transitions, 5829 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:50,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:50,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:50,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:51,493 INFO L124 PetriNetUnfolderBase]: 1877/3635 cut-off events. [2024-11-09 15:00:51,493 INFO L125 PetriNetUnfolderBase]: For 68882/68892 co-relation queries the response was YES. [2024-11-09 15:00:51,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23495 conditions, 3635 events. 1877/3635 cut-off events. For 68882/68892 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 24087 event pairs, 384 based on Foata normal form. 32/3667 useless extension candidates. Maximal degree in co-relation 23018. Up to 1353 conditions per place. [2024-11-09 15:00:51,528 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 275 selfloop transitions, 145 changer transitions 12/434 dead transitions. [2024-11-09 15:00:51,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 434 transitions, 7077 flow [2024-11-09 15:00:51,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 15:00:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-09 15:00:51,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 369 transitions. [2024-11-09 15:00:51,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32255244755244755 [2024-11-09 15:00:51,530 INFO L175 Difference]: Start difference. First operand has 321 places, 318 transitions, 5829 flow. Second operand 26 states and 369 transitions. [2024-11-09 15:00:51,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 434 transitions, 7077 flow [2024-11-09 15:00:51,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 434 transitions, 6820 flow, removed 28 selfloop flow, removed 20 redundant places. [2024-11-09 15:00:51,841 INFO L231 Difference]: Finished difference. Result has 329 places, 315 transitions, 5960 flow [2024-11-09 15:00:51,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5504, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=5960, PETRI_PLACES=329, PETRI_TRANSITIONS=315} [2024-11-09 15:00:51,841 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 284 predicate places. [2024-11-09 15:00:51,841 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 315 transitions, 5960 flow [2024-11-09 15:00:51,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:51,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:51,842 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:51,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 15:00:51,842 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:51,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:51,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338217, now seen corresponding path program 6 times [2024-11-09 15:00:51,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:51,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493411549] [2024-11-09 15:00:51,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:51,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:52,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:52,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493411549] [2024-11-09 15:00:52,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493411549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:52,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:52,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:52,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917566588] [2024-11-09 15:00:52,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:52,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:52,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:52,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:52,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:52,334 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:52,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 315 transitions, 5960 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:52,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:52,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:52,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:53,585 INFO L124 PetriNetUnfolderBase]: 1816/3548 cut-off events. [2024-11-09 15:00:53,586 INFO L125 PetriNetUnfolderBase]: For 71022/71032 co-relation queries the response was YES. [2024-11-09 15:00:53,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23426 conditions, 3548 events. 1816/3548 cut-off events. For 71022/71032 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 23540 event pairs, 635 based on Foata normal form. 44/3592 useless extension candidates. Maximal degree in co-relation 23078. Up to 2500 conditions per place. [2024-11-09 15:00:53,621 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 287 selfloop transitions, 93 changer transitions 11/393 dead transitions. [2024-11-09 15:00:53,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 393 transitions, 6953 flow [2024-11-09 15:00:53,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:00:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 15:00:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 270 transitions. [2024-11-09 15:00:53,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229665071770335 [2024-11-09 15:00:53,622 INFO L175 Difference]: Start difference. First operand has 329 places, 315 transitions, 5960 flow. Second operand 19 states and 270 transitions. [2024-11-09 15:00:53,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 393 transitions, 6953 flow [2024-11-09 15:00:53,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 393 transitions, 6745 flow, removed 9 selfloop flow, removed 22 redundant places. [2024-11-09 15:00:53,933 INFO L231 Difference]: Finished difference. Result has 327 places, 309 transitions, 5885 flow [2024-11-09 15:00:53,934 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5712, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5885, PETRI_PLACES=327, PETRI_TRANSITIONS=309} [2024-11-09 15:00:53,934 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 282 predicate places. [2024-11-09 15:00:53,934 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 309 transitions, 5885 flow [2024-11-09 15:00:53,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:53,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:53,935 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:53,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 15:00:53,935 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:53,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:53,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2066189308, now seen corresponding path program 2 times [2024-11-09 15:00:53,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:53,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819929707] [2024-11-09 15:00:53,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:53,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:54,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:54,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819929707] [2024-11-09 15:00:54,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819929707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:54,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:54,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:54,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460722583] [2024-11-09 15:00:54,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:54,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:54,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:54,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:54,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:54,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:54,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 309 transitions, 5885 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:54,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:54,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:54,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:55,376 INFO L124 PetriNetUnfolderBase]: 1854/3601 cut-off events. [2024-11-09 15:00:55,376 INFO L125 PetriNetUnfolderBase]: For 71085/71095 co-relation queries the response was YES. [2024-11-09 15:00:55,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23829 conditions, 3601 events. 1854/3601 cut-off events. For 71085/71095 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 23913 event pairs, 692 based on Foata normal form. 34/3635 useless extension candidates. Maximal degree in co-relation 23611. Up to 2701 conditions per place. [2024-11-09 15:00:55,414 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 276 selfloop transitions, 83 changer transitions 4/365 dead transitions. [2024-11-09 15:00:55,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 365 transitions, 7014 flow [2024-11-09 15:00:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:55,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 206 transitions. [2024-11-09 15:00:55,415 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31212121212121213 [2024-11-09 15:00:55,415 INFO L175 Difference]: Start difference. First operand has 327 places, 309 transitions, 5885 flow. Second operand 15 states and 206 transitions. [2024-11-09 15:00:55,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 365 transitions, 7014 flow [2024-11-09 15:00:55,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 365 transitions, 6816 flow, removed 6 selfloop flow, removed 19 redundant places. [2024-11-09 15:00:55,704 INFO L231 Difference]: Finished difference. Result has 323 places, 318 transitions, 6079 flow [2024-11-09 15:00:55,704 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5687, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6079, PETRI_PLACES=323, PETRI_TRANSITIONS=318} [2024-11-09 15:00:55,705 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 278 predicate places. [2024-11-09 15:00:55,705 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 318 transitions, 6079 flow [2024-11-09 15:00:55,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:55,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:55,705 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:55,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 15:00:55,705 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:55,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:55,706 INFO L85 PathProgramCache]: Analyzing trace with hash -407316663, now seen corresponding path program 2 times [2024-11-09 15:00:55,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:55,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401095991] [2024-11-09 15:00:55,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:55,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:56,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:56,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:56,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401095991] [2024-11-09 15:00:56,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401095991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:56,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:56,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:56,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16539048] [2024-11-09 15:00:56,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:56,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:00:56,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:56,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:00:56,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:00:56,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:56,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 318 transitions, 6079 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:56,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:56,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:56,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:56,977 INFO L124 PetriNetUnfolderBase]: 2043/4156 cut-off events. [2024-11-09 15:00:56,977 INFO L125 PetriNetUnfolderBase]: For 76960/76966 co-relation queries the response was YES. [2024-11-09 15:00:57,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26712 conditions, 4156 events. 2043/4156 cut-off events. For 76960/76966 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 30599 event pairs, 390 based on Foata normal form. 40/4196 useless extension candidates. Maximal degree in co-relation 26262. Up to 1483 conditions per place. [2024-11-09 15:00:57,011 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 354 selfloop transitions, 139 changer transitions 0/495 dead transitions. [2024-11-09 15:00:57,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 495 transitions, 9808 flow [2024-11-09 15:00:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:00:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:00:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 201 transitions. [2024-11-09 15:00:57,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3806818181818182 [2024-11-09 15:00:57,012 INFO L175 Difference]: Start difference. First operand has 323 places, 318 transitions, 6079 flow. Second operand 12 states and 201 transitions. [2024-11-09 15:00:57,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 495 transitions, 9808 flow [2024-11-09 15:00:57,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 495 transitions, 9659 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-11-09 15:00:57,334 INFO L231 Difference]: Finished difference. Result has 332 places, 357 transitions, 7005 flow [2024-11-09 15:00:57,335 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5857, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7005, PETRI_PLACES=332, PETRI_TRANSITIONS=357} [2024-11-09 15:00:57,336 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 287 predicate places. [2024-11-09 15:00:57,336 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 357 transitions, 7005 flow [2024-11-09 15:00:57,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:57,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:57,336 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:57,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 15:00:57,337 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:57,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:57,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1896540771, now seen corresponding path program 7 times [2024-11-09 15:00:57,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:57,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716736207] [2024-11-09 15:00:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:57,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:57,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:57,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716736207] [2024-11-09 15:00:57,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716736207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:57,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:57,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:57,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568637645] [2024-11-09 15:00:57,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:57,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:57,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:57,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:57,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:57,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:00:57,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 357 transitions, 7005 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:57,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:57,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:00:57,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:59,398 INFO L124 PetriNetUnfolderBase]: 2311/4660 cut-off events. [2024-11-09 15:00:59,399 INFO L125 PetriNetUnfolderBase]: For 96661/96667 co-relation queries the response was YES. [2024-11-09 15:00:59,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31988 conditions, 4660 events. 2311/4660 cut-off events. For 96661/96667 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 34354 event pairs, 715 based on Foata normal form. 96/4756 useless extension candidates. Maximal degree in co-relation 31442. Up to 2389 conditions per place. [2024-11-09 15:00:59,444 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 365 selfloop transitions, 129 changer transitions 9/505 dead transitions. [2024-11-09 15:00:59,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 505 transitions, 9658 flow [2024-11-09 15:00:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 15:00:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-09 15:00:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 330 transitions. [2024-11-09 15:00:59,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3125 [2024-11-09 15:00:59,445 INFO L175 Difference]: Start difference. First operand has 332 places, 357 transitions, 7005 flow. Second operand 24 states and 330 transitions. [2024-11-09 15:00:59,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 505 transitions, 9658 flow [2024-11-09 15:00:59,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 505 transitions, 9589 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-09 15:00:59,895 INFO L231 Difference]: Finished difference. Result has 356 places, 376 transitions, 7827 flow [2024-11-09 15:00:59,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6936, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7827, PETRI_PLACES=356, PETRI_TRANSITIONS=376} [2024-11-09 15:00:59,896 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 311 predicate places. [2024-11-09 15:00:59,896 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 376 transitions, 7827 flow [2024-11-09 15:00:59,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:59,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:59,896 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:59,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 15:00:59,897 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:59,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:59,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1923729685, now seen corresponding path program 3 times [2024-11-09 15:00:59,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:59,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947509190] [2024-11-09 15:00:59,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:59,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:00,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:00,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947509190] [2024-11-09 15:01:00,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947509190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:00,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:00,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:01:00,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304003763] [2024-11-09 15:01:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:00,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:01:00,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:01:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:01:00,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:00,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 376 transitions, 7827 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:00,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:00,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:00,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:01,746 INFO L124 PetriNetUnfolderBase]: 2262/4571 cut-off events. [2024-11-09 15:01:01,746 INFO L125 PetriNetUnfolderBase]: For 102715/102721 co-relation queries the response was YES. [2024-11-09 15:01:01,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32452 conditions, 4571 events. 2262/4571 cut-off events. For 102715/102721 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 33469 event pairs, 787 based on Foata normal form. 30/4599 useless extension candidates. Maximal degree in co-relation 31969. Up to 3133 conditions per place. [2024-11-09 15:01:01,793 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 265 selfloop transitions, 132 changer transitions 56/455 dead transitions. [2024-11-09 15:01:01,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 455 transitions, 9284 flow [2024-11-09 15:01:01,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 15:01:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-09 15:01:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 320 transitions. [2024-11-09 15:01:01,794 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27972027972027974 [2024-11-09 15:01:01,795 INFO L175 Difference]: Start difference. First operand has 356 places, 376 transitions, 7827 flow. Second operand 26 states and 320 transitions. [2024-11-09 15:01:01,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 455 transitions, 9284 flow [2024-11-09 15:01:02,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 455 transitions, 9008 flow, removed 27 selfloop flow, removed 14 redundant places. [2024-11-09 15:01:02,308 INFO L231 Difference]: Finished difference. Result has 366 places, 353 transitions, 7284 flow [2024-11-09 15:01:02,308 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7519, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7284, PETRI_PLACES=366, PETRI_TRANSITIONS=353} [2024-11-09 15:01:02,308 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 321 predicate places. [2024-11-09 15:01:02,308 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 353 transitions, 7284 flow [2024-11-09 15:01:02,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:02,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:02,309 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:02,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 15:01:02,310 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:02,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:02,310 INFO L85 PathProgramCache]: Analyzing trace with hash -644506552, now seen corresponding path program 7 times [2024-11-09 15:01:02,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:02,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597492213] [2024-11-09 15:01:02,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:02,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:02,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:02,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597492213] [2024-11-09 15:01:02,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597492213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:02,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:02,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:01:02,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472816509] [2024-11-09 15:01:02,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:02,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:01:02,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:02,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:01:02,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:01:02,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:02,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 353 transitions, 7284 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:02,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:02,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:02,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:04,244 INFO L124 PetriNetUnfolderBase]: 2012/4169 cut-off events. [2024-11-09 15:01:04,244 INFO L125 PetriNetUnfolderBase]: For 90445/90447 co-relation queries the response was YES. [2024-11-09 15:01:04,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27801 conditions, 4169 events. 2012/4169 cut-off events. For 90445/90447 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 30816 event pairs, 617 based on Foata normal form. 116/4285 useless extension candidates. Maximal degree in co-relation 27319. Up to 2231 conditions per place. [2024-11-09 15:01:04,295 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 340 selfloop transitions, 118 changer transitions 15/475 dead transitions. [2024-11-09 15:01:04,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 475 transitions, 9184 flow [2024-11-09 15:01:04,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 15:01:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-09 15:01:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-11-09 15:01:04,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-11-09 15:01:04,297 INFO L175 Difference]: Start difference. First operand has 366 places, 353 transitions, 7284 flow. Second operand 23 states and 320 transitions. [2024-11-09 15:01:04,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 475 transitions, 9184 flow [2024-11-09 15:01:04,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 475 transitions, 8901 flow, removed 39 selfloop flow, removed 19 redundant places. [2024-11-09 15:01:04,746 INFO L231 Difference]: Finished difference. Result has 362 places, 350 transitions, 7301 flow [2024-11-09 15:01:04,747 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6945, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7301, PETRI_PLACES=362, PETRI_TRANSITIONS=350} [2024-11-09 15:01:04,747 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 317 predicate places. [2024-11-09 15:01:04,747 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 350 transitions, 7301 flow [2024-11-09 15:01:04,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:04,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:04,748 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:04,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 15:01:04,748 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:04,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:04,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830186, now seen corresponding path program 3 times [2024-11-09 15:01:04,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:04,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075678912] [2024-11-09 15:01:04,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:04,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:05,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:05,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075678912] [2024-11-09 15:01:05,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075678912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:05,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:05,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 15:01:05,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210094156] [2024-11-09 15:01:05,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:05,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:01:05,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:05,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:01:05,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:01:05,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:05,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 350 transitions, 7301 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:05,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:05,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:05,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:06,542 INFO L124 PetriNetUnfolderBase]: 2272/4704 cut-off events. [2024-11-09 15:01:06,543 INFO L125 PetriNetUnfolderBase]: For 91966/91968 co-relation queries the response was YES. [2024-11-09 15:01:06,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32029 conditions, 4704 events. 2272/4704 cut-off events. For 91966/91968 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 35623 event pairs, 843 based on Foata normal form. 26/4730 useless extension candidates. Maximal degree in co-relation 31589. Up to 1040 conditions per place. [2024-11-09 15:01:06,600 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 285 selfloop transitions, 177 changer transitions 0/464 dead transitions. [2024-11-09 15:01:06,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 464 transitions, 9234 flow [2024-11-09 15:01:06,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 15:01:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 15:01:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 303 transitions. [2024-11-09 15:01:06,601 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3443181818181818 [2024-11-09 15:01:06,601 INFO L175 Difference]: Start difference. First operand has 362 places, 350 transitions, 7301 flow. Second operand 20 states and 303 transitions. [2024-11-09 15:01:06,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 464 transitions, 9234 flow [2024-11-09 15:01:07,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 464 transitions, 9050 flow, removed 16 selfloop flow, removed 16 redundant places. [2024-11-09 15:01:07,134 INFO L231 Difference]: Finished difference. Result has 369 places, 370 transitions, 7922 flow [2024-11-09 15:01:07,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7135, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7922, PETRI_PLACES=369, PETRI_TRANSITIONS=370} [2024-11-09 15:01:07,135 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 324 predicate places. [2024-11-09 15:01:07,136 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 370 transitions, 7922 flow [2024-11-09 15:01:07,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:07,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:07,136 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:07,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 15:01:07,136 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:07,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:07,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830187, now seen corresponding path program 4 times [2024-11-09 15:01:07,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:07,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612354419] [2024-11-09 15:01:07,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:07,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:07,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:07,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612354419] [2024-11-09 15:01:07,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612354419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:07,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:07,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:01:07,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310155621] [2024-11-09 15:01:07,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:07,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:01:07,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:07,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:01:07,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:01:07,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:07,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 370 transitions, 7922 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:07,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:07,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:07,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:08,368 INFO L124 PetriNetUnfolderBase]: 2107/4382 cut-off events. [2024-11-09 15:01:08,369 INFO L125 PetriNetUnfolderBase]: For 82113/82115 co-relation queries the response was YES. [2024-11-09 15:01:08,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29678 conditions, 4382 events. 2107/4382 cut-off events. For 82113/82115 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 33331 event pairs, 556 based on Foata normal form. 38/4420 useless extension candidates. Maximal degree in co-relation 29167. Up to 1362 conditions per place. [2024-11-09 15:01:08,420 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 312 selfloop transitions, 160 changer transitions 0/474 dead transitions. [2024-11-09 15:01:08,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 474 transitions, 10645 flow [2024-11-09 15:01:08,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:01:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:01:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 206 transitions. [2024-11-09 15:01:08,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39015151515151514 [2024-11-09 15:01:08,422 INFO L175 Difference]: Start difference. First operand has 369 places, 370 transitions, 7922 flow. Second operand 12 states and 206 transitions. [2024-11-09 15:01:08,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 474 transitions, 10645 flow [2024-11-09 15:01:08,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 474 transitions, 10299 flow, removed 68 selfloop flow, removed 14 redundant places. [2024-11-09 15:01:08,812 INFO L231 Difference]: Finished difference. Result has 372 places, 404 transitions, 8842 flow [2024-11-09 15:01:08,812 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7454, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8842, PETRI_PLACES=372, PETRI_TRANSITIONS=404} [2024-11-09 15:01:08,813 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 327 predicate places. [2024-11-09 15:01:08,813 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 404 transitions, 8842 flow [2024-11-09 15:01:08,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:08,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:08,813 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:08,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 15:01:08,813 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:08,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:08,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1312180764, now seen corresponding path program 8 times [2024-11-09 15:01:08,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:08,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814041715] [2024-11-09 15:01:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:09,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:09,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814041715] [2024-11-09 15:01:09,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814041715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:09,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:09,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:01:09,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858619319] [2024-11-09 15:01:09,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:09,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:01:09,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:09,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:01:09,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:01:09,260 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:09,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 404 transitions, 8842 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:09,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:09,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:09,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:10,574 INFO L124 PetriNetUnfolderBase]: 2007/4222 cut-off events. [2024-11-09 15:01:10,575 INFO L125 PetriNetUnfolderBase]: For 83401/83403 co-relation queries the response was YES. [2024-11-09 15:01:10,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28751 conditions, 4222 events. 2007/4222 cut-off events. For 83401/83403 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 31851 event pairs, 547 based on Foata normal form. 92/4312 useless extension candidates. Maximal degree in co-relation 28381. Up to 2173 conditions per place. [2024-11-09 15:01:10,627 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 407 selfloop transitions, 112 changer transitions 0/521 dead transitions. [2024-11-09 15:01:10,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 521 transitions, 11140 flow [2024-11-09 15:01:10,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 15:01:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 15:01:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 275 transitions. [2024-11-09 15:01:10,629 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3125 [2024-11-09 15:01:10,629 INFO L175 Difference]: Start difference. First operand has 372 places, 404 transitions, 8842 flow. Second operand 20 states and 275 transitions. [2024-11-09 15:01:10,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 521 transitions, 11140 flow [2024-11-09 15:01:11,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 521 transitions, 11085 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-11-09 15:01:11,034 INFO L231 Difference]: Finished difference. Result has 393 places, 411 transitions, 9341 flow [2024-11-09 15:01:11,035 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8757, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=9341, PETRI_PLACES=393, PETRI_TRANSITIONS=411} [2024-11-09 15:01:11,035 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 348 predicate places. [2024-11-09 15:01:11,035 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 411 transitions, 9341 flow [2024-11-09 15:01:11,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:11,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:11,036 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:11,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 15:01:11,036 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:11,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:11,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1258730295, now seen corresponding path program 5 times [2024-11-09 15:01:11,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:11,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598903794] [2024-11-09 15:01:11,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:11,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:11,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:11,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598903794] [2024-11-09 15:01:11,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598903794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:11,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:11,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:01:11,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156153649] [2024-11-09 15:01:11,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:11,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:01:11,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:11,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:01:11,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:01:11,246 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:11,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 411 transitions, 9341 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:11,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:11,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:11,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:12,239 INFO L124 PetriNetUnfolderBase]: 1714/3649 cut-off events. [2024-11-09 15:01:12,239 INFO L125 PetriNetUnfolderBase]: For 72119/72121 co-relation queries the response was YES. [2024-11-09 15:01:12,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25343 conditions, 3649 events. 1714/3649 cut-off events. For 72119/72121 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 27047 event pairs, 564 based on Foata normal form. 48/3697 useless extension candidates. Maximal degree in co-relation 24968. Up to 1204 conditions per place. [2024-11-09 15:01:12,273 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 297 selfloop transitions, 138 changer transitions 0/437 dead transitions. [2024-11-09 15:01:12,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 437 transitions, 9794 flow [2024-11-09 15:01:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:01:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:01:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 228 transitions. [2024-11-09 15:01:12,274 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4318181818181818 [2024-11-09 15:01:12,274 INFO L175 Difference]: Start difference. First operand has 393 places, 411 transitions, 9341 flow. Second operand 12 states and 228 transitions. [2024-11-09 15:01:12,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 437 transitions, 9794 flow [2024-11-09 15:01:12,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 437 transitions, 9341 flow, removed 88 selfloop flow, removed 19 redundant places. [2024-11-09 15:01:12,611 INFO L231 Difference]: Finished difference. Result has 388 places, 375 transitions, 8346 flow [2024-11-09 15:01:12,612 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7918, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8346, PETRI_PLACES=388, PETRI_TRANSITIONS=375} [2024-11-09 15:01:12,612 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 343 predicate places. [2024-11-09 15:01:12,612 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 375 transitions, 8346 flow [2024-11-09 15:01:12,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:12,612 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:12,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:12,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 15:01:12,613 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:12,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:12,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1517259303, now seen corresponding path program 8 times [2024-11-09 15:01:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:12,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062548875] [2024-11-09 15:01:12,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:12,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:12,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:12,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062548875] [2024-11-09 15:01:12,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062548875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:12,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:12,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:01:12,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574979045] [2024-11-09 15:01:12,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:12,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:01:12,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:12,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:01:12,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:01:12,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:12,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 375 transitions, 8346 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:12,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:12,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:12,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:14,075 INFO L124 PetriNetUnfolderBase]: 1618/3523 cut-off events. [2024-11-09 15:01:14,076 INFO L125 PetriNetUnfolderBase]: For 61140/61142 co-relation queries the response was YES. [2024-11-09 15:01:14,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23067 conditions, 3523 events. 1618/3523 cut-off events. For 61140/61142 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 26254 event pairs, 570 based on Foata normal form. 92/3613 useless extension candidates. Maximal degree in co-relation 22768. Up to 2255 conditions per place. [2024-11-09 15:01:14,117 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 360 selfloop transitions, 88 changer transitions 16/466 dead transitions. [2024-11-09 15:01:14,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 466 transitions, 10199 flow [2024-11-09 15:01:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:01:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 15:01:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 254 transitions. [2024-11-09 15:01:14,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3038277511961722 [2024-11-09 15:01:14,118 INFO L175 Difference]: Start difference. First operand has 388 places, 375 transitions, 8346 flow. Second operand 19 states and 254 transitions. [2024-11-09 15:01:14,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 466 transitions, 10199 flow [2024-11-09 15:01:14,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 466 transitions, 9925 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-11-09 15:01:14,448 INFO L231 Difference]: Finished difference. Result has 400 places, 368 transitions, 8208 flow [2024-11-09 15:01:14,448 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8030, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8208, PETRI_PLACES=400, PETRI_TRANSITIONS=368} [2024-11-09 15:01:14,448 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 355 predicate places. [2024-11-09 15:01:14,448 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 368 transitions, 8208 flow [2024-11-09 15:01:14,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:14,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:14,449 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:14,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 15:01:14,449 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:14,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:14,449 INFO L85 PathProgramCache]: Analyzing trace with hash -877752948, now seen corresponding path program 1 times [2024-11-09 15:01:14,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:14,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308264084] [2024-11-09 15:01:14,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:14,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:14,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308264084] [2024-11-09 15:01:14,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308264084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:14,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:14,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:01:14,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579821201] [2024-11-09 15:01:14,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:14,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:01:14,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:14,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:01:14,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:01:14,927 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:14,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 368 transitions, 8208 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:14,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:14,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:14,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:15,830 INFO L124 PetriNetUnfolderBase]: 1579/3444 cut-off events. [2024-11-09 15:01:15,830 INFO L125 PetriNetUnfolderBase]: For 58068/58070 co-relation queries the response was YES. [2024-11-09 15:01:15,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22831 conditions, 3444 events. 1579/3444 cut-off events. For 58068/58070 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 25651 event pairs, 591 based on Foata normal form. 10/3452 useless extension candidates. Maximal degree in co-relation 22431. Up to 2736 conditions per place. [2024-11-09 15:01:15,869 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 340 selfloop transitions, 71 changer transitions 0/413 dead transitions. [2024-11-09 15:01:15,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 413 transitions, 9406 flow [2024-11-09 15:01:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 15:01:15,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 15:01:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 176 transitions. [2024-11-09 15:01:15,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-11-09 15:01:15,870 INFO L175 Difference]: Start difference. First operand has 400 places, 368 transitions, 8208 flow. Second operand 14 states and 176 transitions. [2024-11-09 15:01:15,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 413 transitions, 9406 flow [2024-11-09 15:01:16,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 413 transitions, 9231 flow, removed 4 selfloop flow, removed 19 redundant places. [2024-11-09 15:01:16,297 INFO L231 Difference]: Finished difference. Result has 395 places, 371 transitions, 8268 flow [2024-11-09 15:01:16,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8033, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8268, PETRI_PLACES=395, PETRI_TRANSITIONS=371} [2024-11-09 15:01:16,298 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 350 predicate places. [2024-11-09 15:01:16,298 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 371 transitions, 8268 flow [2024-11-09 15:01:16,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:16,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:16,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:16,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 15:01:16,299 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:16,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:16,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2018172101, now seen corresponding path program 1 times [2024-11-09 15:01:16,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:16,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843713071] [2024-11-09 15:01:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:16,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:16,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:16,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843713071] [2024-11-09 15:01:16,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843713071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:16,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:16,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:01:16,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24268153] [2024-11-09 15:01:16,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:16,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:01:16,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:16,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:01:16,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:01:16,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:16,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 371 transitions, 8268 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:16,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:16,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:16,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:17,907 INFO L124 PetriNetUnfolderBase]: 1569/3436 cut-off events. [2024-11-09 15:01:17,907 INFO L125 PetriNetUnfolderBase]: For 56587/56589 co-relation queries the response was YES. [2024-11-09 15:01:17,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22671 conditions, 3436 events. 1569/3436 cut-off events. For 56587/56589 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 25539 event pairs, 566 based on Foata normal form. 10/3446 useless extension candidates. Maximal degree in co-relation 22346. Up to 2393 conditions per place. [2024-11-09 15:01:17,941 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 271 selfloop transitions, 119 changer transitions 32/424 dead transitions. [2024-11-09 15:01:17,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 424 transitions, 9342 flow [2024-11-09 15:01:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 15:01:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-09 15:01:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 296 transitions. [2024-11-09 15:01:17,942 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2803030303030303 [2024-11-09 15:01:17,942 INFO L175 Difference]: Start difference. First operand has 395 places, 371 transitions, 8268 flow. Second operand 24 states and 296 transitions. [2024-11-09 15:01:17,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 424 transitions, 9342 flow [2024-11-09 15:01:18,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 424 transitions, 9122 flow, removed 10 selfloop flow, removed 11 redundant places. [2024-11-09 15:01:18,257 INFO L231 Difference]: Finished difference. Result has 407 places, 349 transitions, 7751 flow [2024-11-09 15:01:18,257 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7975, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7751, PETRI_PLACES=407, PETRI_TRANSITIONS=349} [2024-11-09 15:01:18,258 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 362 predicate places. [2024-11-09 15:01:18,258 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 349 transitions, 7751 flow [2024-11-09 15:01:18,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:18,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:18,258 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:18,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 15:01:18,259 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:18,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:18,259 INFO L85 PathProgramCache]: Analyzing trace with hash -889051222, now seen corresponding path program 2 times [2024-11-09 15:01:18,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:18,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822634980] [2024-11-09 15:01:18,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:18,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:18,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:18,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822634980] [2024-11-09 15:01:18,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822634980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:18,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:18,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:01:18,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094933142] [2024-11-09 15:01:18,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:18,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:01:18,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:18,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:01:18,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:01:18,771 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:18,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 349 transitions, 7751 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:18,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:18,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:18,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:19,786 INFO L124 PetriNetUnfolderBase]: 1509/3306 cut-off events. [2024-11-09 15:01:19,786 INFO L125 PetriNetUnfolderBase]: For 54323/54325 co-relation queries the response was YES. [2024-11-09 15:01:19,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21792 conditions, 3306 events. 1509/3306 cut-off events. For 54323/54325 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 24469 event pairs, 580 based on Foata normal form. 10/3314 useless extension candidates. Maximal degree in co-relation 21689. Up to 2736 conditions per place. [2024-11-09 15:01:19,824 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 326 selfloop transitions, 63 changer transitions 2/393 dead transitions. [2024-11-09 15:01:19,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 393 transitions, 8793 flow [2024-11-09 15:01:19,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 15:01:19,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 15:01:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 203 transitions. [2024-11-09 15:01:19,825 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2713903743315508 [2024-11-09 15:01:19,825 INFO L175 Difference]: Start difference. First operand has 407 places, 349 transitions, 7751 flow. Second operand 17 states and 203 transitions. [2024-11-09 15:01:19,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 393 transitions, 8793 flow [2024-11-09 15:01:20,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 393 transitions, 8362 flow, removed 33 selfloop flow, removed 28 redundant places. [2024-11-09 15:01:20,128 INFO L231 Difference]: Finished difference. Result has 386 places, 348 transitions, 7425 flow [2024-11-09 15:01:20,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7299, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7425, PETRI_PLACES=386, PETRI_TRANSITIONS=348} [2024-11-09 15:01:20,129 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 341 predicate places. [2024-11-09 15:01:20,129 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 348 transitions, 7425 flow [2024-11-09 15:01:20,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:20,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:20,130 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:20,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 15:01:20,130 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:20,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash -877752947, now seen corresponding path program 2 times [2024-11-09 15:01:20,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:20,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471640020] [2024-11-09 15:01:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:20,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:20,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471640020] [2024-11-09 15:01:20,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471640020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:20,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:20,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:01:20,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491047651] [2024-11-09 15:01:20,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:20,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:01:20,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:20,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:01:20,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:01:20,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:20,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 348 transitions, 7425 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:20,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:20,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:20,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:01:21,980 INFO L124 PetriNetUnfolderBase]: 1489/3288 cut-off events. [2024-11-09 15:01:21,980 INFO L125 PetriNetUnfolderBase]: For 47497/47499 co-relation queries the response was YES. [2024-11-09 15:01:22,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21336 conditions, 3288 events. 1489/3288 cut-off events. For 47497/47499 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 24371 event pairs, 543 based on Foata normal form. 18/3304 useless extension candidates. Maximal degree in co-relation 21242. Up to 2375 conditions per place. [2024-11-09 15:01:22,010 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 205 selfloop transitions, 130 changer transitions 50/387 dead transitions. [2024-11-09 15:01:22,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 387 transitions, 8346 flow [2024-11-09 15:01:22,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 15:01:22,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-09 15:01:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 279 transitions. [2024-11-09 15:01:22,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24388111888111888 [2024-11-09 15:01:22,011 INFO L175 Difference]: Start difference. First operand has 386 places, 348 transitions, 7425 flow. Second operand 26 states and 279 transitions. [2024-11-09 15:01:22,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 387 transitions, 8346 flow [2024-11-09 15:01:22,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 387 transitions, 7965 flow, removed 8 selfloop flow, removed 23 redundant places. [2024-11-09 15:01:22,299 INFO L231 Difference]: Finished difference. Result has 381 places, 312 transitions, 6734 flow [2024-11-09 15:01:22,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6978, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6734, PETRI_PLACES=381, PETRI_TRANSITIONS=312} [2024-11-09 15:01:22,300 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 336 predicate places. [2024-11-09 15:01:22,300 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 312 transitions, 6734 flow [2024-11-09 15:01:22,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:22,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:01:22,301 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:01:22,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 15:01:22,301 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:01:22,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:01:22,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1573125196, now seen corresponding path program 1 times [2024-11-09 15:01:22,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:01:22,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027951043] [2024-11-09 15:01:22,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:01:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:01:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:01:22,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:01:22,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:01:22,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027951043] [2024-11-09 15:01:22,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027951043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:01:22,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:01:22,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 15:01:22,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915681545] [2024-11-09 15:01:22,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:01:22,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 15:01:22,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:01:22,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 15:01:22,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 15:01:22,720 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-09 15:01:22,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 312 transitions, 6734 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:01:22,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:01:22,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-09 15:01:22,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand