./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_1-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:00:04,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:00:05,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 15:00:05,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:00:05,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:00:05,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:00:05,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:00:05,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:00:05,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:00:05,039 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:00:05,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 15:00:05,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 15:00:05,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:00:05,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:00:05,041 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:00:05,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:00:05,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 15:00:05,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:00:05,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:00:05,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:00:05,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:00:05,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 15:00:05,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 15:00:05,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 15:00:05,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:00:05,047 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 15:00:05,047 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:00:05,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:00:05,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:00:05,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:00:05,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:00:05,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:00:05,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 15:00:05,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 15:00:05,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:00:05,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:00:05,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 15:00:05,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 15:00:05,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:00:05,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 15:00:05,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 15:00:05,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 15:00:05,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 15:00:05,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 15:00:05,056 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e [2024-11-09 15:00:05,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:00:05,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:00:05,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:00:05,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:00:05,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:00:05,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-11-09 15:00:06,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:00:07,127 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:00:07,127 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-11-09 15:00:07,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd242820/60266cef3eda4a398811747f9cbfeeb0/FLAGaba5ff84f [2024-11-09 15:00:07,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd242820/60266cef3eda4a398811747f9cbfeeb0 [2024-11-09 15:00:07,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:00:07,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:00:07,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:00:07,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:00:07,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:00:07,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:07" (1/1) ... [2024-11-09 15:00:07,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e515a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:07, skipping insertion in model container [2024-11-09 15:00:07,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:07" (1/1) ... [2024-11-09 15:00:07,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:00:07,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:00:07,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:00:08,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:00:08,111 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:00:08,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08 WrapperNode [2024-11-09 15:00:08,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:00:08,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:00:08,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:00:08,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:00:08,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,181 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 144 [2024-11-09 15:00:08,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:00:08,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:00:08,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:00:08,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:00:08,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,229 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 13, 2]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-11-09 15:00:08,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:00:08,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:00:08,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:00:08,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:00:08,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (1/1) ... [2024-11-09 15:00:08,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:00:08,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:00:08,308 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 15:00:08,310 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 15:00:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-09 15:00:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-09 15:00:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 15:00:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 15:00:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 15:00:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:00:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:00:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 15:00:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:00:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:00:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 15:00:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 15:00:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:00:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 15:00:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 15:00:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 15:00:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:00:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 15:00:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 15:00:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:00:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:00:08,357 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 15:00:08,602 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:00:08,604 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:00:08,894 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 15:00:08,895 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:00:09,136 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:00:09,137 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 15:00:09,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:09 BoogieIcfgContainer [2024-11-09 15:00:09,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:00:09,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 15:00:09,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 15:00:09,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 15:00:09,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:00:07" (1/3) ... [2024-11-09 15:00:09,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b92bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:09, skipping insertion in model container [2024-11-09 15:00:09,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:08" (2/3) ... [2024-11-09 15:00:09,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b92bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:09, skipping insertion in model container [2024-11-09 15:00:09,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:09" (3/3) ... [2024-11-09 15:00:09,150 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2024-11-09 15:00:09,167 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 15:00:09,167 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 15:00:09,167 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 15:00:09,220 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 15:00:09,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2024-11-09 15:00:09,293 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-09 15:00:09,294 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 15:00:09,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 2/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 23. Up to 3 conditions per place. [2024-11-09 15:00:09,296 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2024-11-09 15:00:09,301 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2024-11-09 15:00:09,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 15:00:09,321 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;@2f057058, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 15:00:09,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 15:00:09,330 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 15:00:09,330 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-09 15:00:09,331 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 15:00:09,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:09,332 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:09,332 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 15:00:09,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:09,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1341841268, now seen corresponding path program 1 times [2024-11-09 15:00:09,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:09,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595142372] [2024-11-09 15:00:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:09,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:10,233 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 15:00:10,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:10,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595142372] [2024-11-09 15:00:10,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595142372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:10,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:10,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:10,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828896900] [2024-11-09 15:00:10,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:10,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:10,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:10,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:10,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:10,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-09 15:00:10,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:10,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:10,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-09 15:00:10,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:10,785 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2024-11-09 15:00:10,785 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-09 15:00:10,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1208 events. 621/1208 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6849 event pairs, 193 based on Foata normal form. 44/1176 useless extension candidates. Maximal degree in co-relation 2198. Up to 862 conditions per place. [2024-11-09 15:00:10,800 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2024-11-09 15:00:10,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2024-11-09 15:00:10,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 15:00:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 15:00:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2024-11-09 15:00:10,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2024-11-09 15:00:10,821 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2024-11-09 15:00:10,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2024-11-09 15:00:10,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 15:00:10,830 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2024-11-09 15:00:10,832 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=48, PETRI_TRANSITIONS=50} [2024-11-09 15:00:10,838 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2024-11-09 15:00:10,838 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2024-11-09 15:00:10,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:10,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:10,839 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:10,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 15:00:10,839 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 15:00:10,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:10,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1669751059, now seen corresponding path program 1 times [2024-11-09 15:00:10,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:10,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346827502] [2024-11-09 15:00:10,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:10,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:11,191 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 15:00:11,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:11,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346827502] [2024-11-09 15:00:11,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346827502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:11,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:11,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:11,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923571515] [2024-11-09 15:00:11,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:11,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:11,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:11,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:11,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:11,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-09 15:00:11,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 50 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:11,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:11,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-09 15:00:11,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:11,589 INFO L124 PetriNetUnfolderBase]: 672/1245 cut-off events. [2024-11-09 15:00:11,590 INFO L125 PetriNetUnfolderBase]: For 467/467 co-relation queries the response was YES. [2024-11-09 15:00:11,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2979 conditions, 1245 events. 672/1245 cut-off events. For 467/467 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6746 event pairs, 267 based on Foata normal form. 44/1255 useless extension candidates. Maximal degree in co-relation 2506. Up to 951 conditions per place. [2024-11-09 15:00:11,598 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 25 changer transitions 5/97 dead transitions. [2024-11-09 15:00:11,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 97 transitions, 516 flow [2024-11-09 15:00:11,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 15:00:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 15:00:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2024-11-09 15:00:11,601 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-11-09 15:00:11,601 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 156 transitions. [2024-11-09 15:00:11,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 97 transitions, 516 flow [2024-11-09 15:00:11,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 15:00:11,606 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 316 flow [2024-11-09 15:00:11,607 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=316, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-11-09 15:00:11,607 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2024-11-09 15:00:11,608 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 316 flow [2024-11-09 15:00:11,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:11,608 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:11,608 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:11,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 15:00:11,608 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 15:00:11,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1308206955, now seen corresponding path program 1 times [2024-11-09 15:00:11,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:11,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797645746] [2024-11-09 15:00:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:12,164 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 15:00:12,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:12,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797645746] [2024-11-09 15:00:12,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797645746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:12,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:12,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:12,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864614100] [2024-11-09 15:00:12,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:12,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:12,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:12,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:12,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:12,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-09 15:00:12,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 316 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:12,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:12,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-09 15:00:12,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:12,881 INFO L124 PetriNetUnfolderBase]: 846/1560 cut-off events. [2024-11-09 15:00:12,882 INFO L125 PetriNetUnfolderBase]: For 1307/1307 co-relation queries the response was YES. [2024-11-09 15:00:12,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4350 conditions, 1560 events. 846/1560 cut-off events. For 1307/1307 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8821 event pairs, 281 based on Foata normal form. 52/1612 useless extension candidates. Maximal degree in co-relation 3598. Up to 1146 conditions per place. [2024-11-09 15:00:12,893 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 81 selfloop transitions, 37 changer transitions 17/140 dead transitions. [2024-11-09 15:00:12,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 140 transitions, 915 flow [2024-11-09 15:00:12,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 15:00:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 15:00:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 184 transitions. [2024-11-09 15:00:12,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44019138755980863 [2024-11-09 15:00:12,895 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 316 flow. Second operand 11 states and 184 transitions. [2024-11-09 15:00:12,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 140 transitions, 915 flow [2024-11-09 15:00:12,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 140 transitions, 915 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 15:00:12,909 INFO L231 Difference]: Finished difference. Result has 75 places, 93 transitions, 660 flow [2024-11-09 15:00:12,909 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=660, PETRI_PLACES=75, PETRI_TRANSITIONS=93} [2024-11-09 15:00:12,911 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 36 predicate places. [2024-11-09 15:00:12,911 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 93 transitions, 660 flow [2024-11-09 15:00:12,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:12,911 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:12,911 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:12,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 15:00:12,912 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 15:00:12,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:12,913 INFO L85 PathProgramCache]: Analyzing trace with hash 764593993, now seen corresponding path program 2 times [2024-11-09 15:00:12,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:12,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463542272] [2024-11-09 15:00:12,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:12,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:13,399 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 15:00:13,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:13,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463542272] [2024-11-09 15:00:13,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463542272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:13,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:13,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:13,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301289425] [2024-11-09 15:00:13,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:13,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:13,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:13,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:13,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:13,417 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-09 15:00:13,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 93 transitions, 660 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:13,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:13,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-09 15:00:13,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:14,097 INFO L124 PetriNetUnfolderBase]: 888/1620 cut-off events. [2024-11-09 15:00:14,097 INFO L125 PetriNetUnfolderBase]: For 3454/3454 co-relation queries the response was YES. [2024-11-09 15:00:14,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5465 conditions, 1620 events. 888/1620 cut-off events. For 3454/3454 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9011 event pairs, 225 based on Foata normal form. 52/1672 useless extension candidates. Maximal degree in co-relation 5042. Up to 1077 conditions per place. [2024-11-09 15:00:14,133 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 55 changer transitions 13/163 dead transitions. [2024-11-09 15:00:14,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 163 transitions, 1317 flow [2024-11-09 15:00:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 15:00:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 15:00:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 223 transitions. [2024-11-09 15:00:14,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4191729323308271 [2024-11-09 15:00:14,137 INFO L175 Difference]: Start difference. First operand has 75 places, 93 transitions, 660 flow. Second operand 14 states and 223 transitions. [2024-11-09 15:00:14,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 163 transitions, 1317 flow [2024-11-09 15:00:14,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 163 transitions, 1269 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-11-09 15:00:14,158 INFO L231 Difference]: Finished difference. Result has 91 places, 110 transitions, 968 flow [2024-11-09 15:00:14,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=968, PETRI_PLACES=91, PETRI_TRANSITIONS=110} [2024-11-09 15:00:14,159 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 52 predicate places. [2024-11-09 15:00:14,159 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 110 transitions, 968 flow [2024-11-09 15:00:14,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:14,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:14,160 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:14,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 15:00:14,160 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 15:00:14,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:14,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1256486864, now seen corresponding path program 1 times [2024-11-09 15:00:14,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:14,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333104793] [2024-11-09 15:00:14,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:14,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:14,785 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 15:00:14,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:14,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333104793] [2024-11-09 15:00:14,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333104793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:14,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:14,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:14,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031239595] [2024-11-09 15:00:14,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:14,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:14,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:14,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:14,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:14,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-09 15:00:14,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 110 transitions, 968 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:14,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:14,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-09 15:00:14,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:15,562 INFO L124 PetriNetUnfolderBase]: 1017/1882 cut-off events. [2024-11-09 15:00:15,563 INFO L125 PetriNetUnfolderBase]: For 6262/6274 co-relation queries the response was YES. [2024-11-09 15:00:15,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7256 conditions, 1882 events. 1017/1882 cut-off events. For 6262/6274 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11176 event pairs, 313 based on Foata normal form. 48/1926 useless extension candidates. Maximal degree in co-relation 6457. Up to 1298 conditions per place. [2024-11-09 15:00:15,582 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 105 selfloop transitions, 60 changer transitions 12/182 dead transitions. [2024-11-09 15:00:15,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 182 transitions, 1733 flow [2024-11-09 15:00:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 15:00:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 15:00:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2024-11-09 15:00:15,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4040247678018576 [2024-11-09 15:00:15,585 INFO L175 Difference]: Start difference. First operand has 91 places, 110 transitions, 968 flow. Second operand 17 states and 261 transitions. [2024-11-09 15:00:15,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 182 transitions, 1733 flow [2024-11-09 15:00:15,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 182 transitions, 1591 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:15,619 INFO L231 Difference]: Finished difference. Result has 106 places, 127 transitions, 1233 flow [2024-11-09 15:00:15,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1233, PETRI_PLACES=106, PETRI_TRANSITIONS=127} [2024-11-09 15:00:15,622 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 67 predicate places. [2024-11-09 15:00:15,622 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 127 transitions, 1233 flow [2024-11-09 15:00:15,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:15,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:15,623 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:15,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 15:00:15,623 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 15:00:15,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:15,624 INFO L85 PathProgramCache]: Analyzing trace with hash 411275081, now seen corresponding path program 3 times [2024-11-09 15:00:15,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:15,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221108472] [2024-11-09 15:00:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:16,091 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 15:00:16,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:16,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221108472] [2024-11-09 15:00:16,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221108472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:16,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:16,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:16,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44494775] [2024-11-09 15:00:16,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:16,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:16,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:16,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:16,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:16,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-09 15:00:16,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 127 transitions, 1233 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:16,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:16,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-09 15:00:16,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:16,949 INFO L124 PetriNetUnfolderBase]: 948/1761 cut-off events. [2024-11-09 15:00:16,949 INFO L125 PetriNetUnfolderBase]: For 6881/6899 co-relation queries the response was YES. [2024-11-09 15:00:16,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6924 conditions, 1761 events. 948/1761 cut-off events. For 6881/6899 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10167 event pairs, 234 based on Foata normal form. 60/1821 useless extension candidates. Maximal degree in co-relation 6083. Up to 1092 conditions per place. [2024-11-09 15:00:16,965 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 97 selfloop transitions, 82 changer transitions 18/202 dead transitions. [2024-11-09 15:00:16,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 202 transitions, 2002 flow [2024-11-09 15:00:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 15:00:16,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 15:00:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2024-11-09 15:00:16,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41640866873065013 [2024-11-09 15:00:16,968 INFO L175 Difference]: Start difference. First operand has 106 places, 127 transitions, 1233 flow. Second operand 17 states and 269 transitions. [2024-11-09 15:00:16,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 202 transitions, 2002 flow [2024-11-09 15:00:17,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 202 transitions, 1888 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:17,004 INFO L231 Difference]: Finished difference. Result has 118 places, 137 transitions, 1453 flow [2024-11-09 15:00:17,004 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1453, PETRI_PLACES=118, PETRI_TRANSITIONS=137} [2024-11-09 15:00:17,005 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-09 15:00:17,005 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 1453 flow [2024-11-09 15:00:17,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:17,005 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:17,006 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:17,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 15:00:17,006 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 15:00:17,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:17,007 INFO L85 PathProgramCache]: Analyzing trace with hash 411266720, now seen corresponding path program 2 times [2024-11-09 15:00:17,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:17,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733929900] [2024-11-09 15:00:17,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:17,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:17,536 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 15:00:17,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:17,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733929900] [2024-11-09 15:00:17,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733929900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:17,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:17,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:17,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934774994] [2024-11-09 15:00:17,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:17,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:17,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:17,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:17,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:17,554 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-09 15:00:17,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 137 transitions, 1453 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:17,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:17,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-09 15:00:17,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:18,461 INFO L124 PetriNetUnfolderBase]: 903/1694 cut-off events. [2024-11-09 15:00:18,461 INFO L125 PetriNetUnfolderBase]: For 8336/8368 co-relation queries the response was YES. [2024-11-09 15:00:18,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7150 conditions, 1694 events. 903/1694 cut-off events. For 8336/8368 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9786 event pairs, 249 based on Foata normal form. 48/1742 useless extension candidates. Maximal degree in co-relation 6482. Up to 1071 conditions per place. [2024-11-09 15:00:18,479 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 84 changer transitions 15/194 dead transitions. [2024-11-09 15:00:18,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 194 transitions, 2047 flow [2024-11-09 15:00:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 15:00:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 15:00:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 307 transitions. [2024-11-09 15:00:18,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38471177944862156 [2024-11-09 15:00:18,481 INFO L175 Difference]: Start difference. First operand has 118 places, 137 transitions, 1453 flow. Second operand 21 states and 307 transitions. [2024-11-09 15:00:18,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 194 transitions, 2047 flow [2024-11-09 15:00:18,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1889 flow, removed 25 selfloop flow, removed 11 redundant places. [2024-11-09 15:00:18,522 INFO L231 Difference]: Finished difference. Result has 131 places, 138 transitions, 1515 flow [2024-11-09 15:00:18,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1515, PETRI_PLACES=131, PETRI_TRANSITIONS=138} [2024-11-09 15:00:18,523 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 92 predicate places. [2024-11-09 15:00:18,523 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 138 transitions, 1515 flow [2024-11-09 15:00:18,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:18,524 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:18,524 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:18,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 15:00:18,524 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 15:00:18,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash 764585632, now seen corresponding path program 3 times [2024-11-09 15:00:18,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:18,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623855811] [2024-11-09 15:00:18,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:18,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:19,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:19,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623855811] [2024-11-09 15:00:19,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623855811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:19,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:19,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:19,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708366413] [2024-11-09 15:00:19,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:19,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:19,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:19,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:19,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:19,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-09 15:00:19,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 138 transitions, 1515 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:19,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:19,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-09 15:00:19,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:19,909 INFO L124 PetriNetUnfolderBase]: 882/1641 cut-off events. [2024-11-09 15:00:19,910 INFO L125 PetriNetUnfolderBase]: For 10061/10103 co-relation queries the response was YES. [2024-11-09 15:00:19,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7339 conditions, 1641 events. 882/1641 cut-off events. For 10061/10103 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9303 event pairs, 216 based on Foata normal form. 50/1687 useless extension candidates. Maximal degree in co-relation 6799. Up to 993 conditions per place. [2024-11-09 15:00:19,931 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 80 selfloop transitions, 94 changer transitions 15/194 dead transitions. [2024-11-09 15:00:19,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 194 transitions, 2121 flow [2024-11-09 15:00:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:00:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 15:00:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 281 transitions. [2024-11-09 15:00:19,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.389196675900277 [2024-11-09 15:00:19,934 INFO L175 Difference]: Start difference. First operand has 131 places, 138 transitions, 1515 flow. Second operand 19 states and 281 transitions. [2024-11-09 15:00:19,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 194 transitions, 2121 flow [2024-11-09 15:00:19,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1788 flow, removed 26 selfloop flow, removed 22 redundant places. [2024-11-09 15:00:19,984 INFO L231 Difference]: Finished difference. Result has 130 places, 141 transitions, 1443 flow [2024-11-09 15:00:19,985 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1195, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1443, PETRI_PLACES=130, PETRI_TRANSITIONS=141} [2024-11-09 15:00:19,987 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-11-09 15:00:19,987 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 141 transitions, 1443 flow [2024-11-09 15:00:19,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:19,988 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:19,988 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:19,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 15:00:19,992 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 15:00:19,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:19,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1844619444, now seen corresponding path program 1 times [2024-11-09 15:00:19,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:19,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604004678] [2024-11-09 15:00:19,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:20,065 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 15:00:20,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:20,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604004678] [2024-11-09 15:00:20,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604004678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:20,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:20,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:00:20,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337450510] [2024-11-09 15:00:20,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:20,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 15:00:20,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:20,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:00:20,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:00:20,070 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-11-09 15:00:20,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 141 transitions, 1443 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:20,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:20,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-11-09 15:00:20,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:20,262 INFO L124 PetriNetUnfolderBase]: 461/873 cut-off events. [2024-11-09 15:00:20,262 INFO L125 PetriNetUnfolderBase]: For 3753/3817 co-relation queries the response was YES. [2024-11-09 15:00:20,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3515 conditions, 873 events. 461/873 cut-off events. For 3753/3817 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4351 event pairs, 86 based on Foata normal form. 6/879 useless extension candidates. Maximal degree in co-relation 3486. Up to 465 conditions per place. [2024-11-09 15:00:20,274 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 131 selfloop transitions, 18 changer transitions 6/161 dead transitions. [2024-11-09 15:00:20,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 161 transitions, 1796 flow [2024-11-09 15:00:20,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:00:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 15:00:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-11-09 15:00:20,276 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2024-11-09 15:00:20,276 INFO L175 Difference]: Start difference. First operand has 130 places, 141 transitions, 1443 flow. Second operand 4 states and 84 transitions. [2024-11-09 15:00:20,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 161 transitions, 1796 flow [2024-11-09 15:00:20,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 161 transitions, 1613 flow, removed 40 selfloop flow, removed 15 redundant places. [2024-11-09 15:00:20,293 INFO L231 Difference]: Finished difference. Result has 109 places, 109 transitions, 962 flow [2024-11-09 15:00:20,293 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=962, PETRI_PLACES=109, PETRI_TRANSITIONS=109} [2024-11-09 15:00:20,295 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 70 predicate places. [2024-11-09 15:00:20,295 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 109 transitions, 962 flow [2024-11-09 15:00:20,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:20,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:20,295 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:20,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 15:00:20,296 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 15:00:20,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:20,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1238178995, now seen corresponding path program 1 times [2024-11-09 15:00:20,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:20,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706233625] [2024-11-09 15:00:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:20,932 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 15:00:20,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:20,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706233625] [2024-11-09 15:00:20,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706233625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:20,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:20,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:20,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844311103] [2024-11-09 15:00:20,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:20,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:20,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:20,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:20,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:20,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:20,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 962 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:20,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:20,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:20,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:21,630 INFO L124 PetriNetUnfolderBase]: 603/1168 cut-off events. [2024-11-09 15:00:21,631 INFO L125 PetriNetUnfolderBase]: For 2973/2973 co-relation queries the response was YES. [2024-11-09 15:00:21,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4184 conditions, 1168 events. 603/1168 cut-off events. For 2973/2973 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6234 event pairs, 143 based on Foata normal form. 14/1182 useless extension candidates. Maximal degree in co-relation 4159. Up to 581 conditions per place. [2024-11-09 15:00:21,640 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 119 selfloop transitions, 45 changer transitions 0/166 dead transitions. [2024-11-09 15:00:21,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 166 transitions, 1487 flow [2024-11-09 15:00:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 202 transitions. [2024-11-09 15:00:21,642 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3543859649122807 [2024-11-09 15:00:21,643 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 962 flow. Second operand 15 states and 202 transitions. [2024-11-09 15:00:21,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 166 transitions, 1487 flow [2024-11-09 15:00:21,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 166 transitions, 1416 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-09 15:00:21,657 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 1077 flow [2024-11-09 15:00:21,657 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1077, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2024-11-09 15:00:21,658 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 83 predicate places. [2024-11-09 15:00:21,658 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 1077 flow [2024-11-09 15:00:21,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:21,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:21,659 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:21,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 15:00:21,659 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:21,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:21,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1246767164, now seen corresponding path program 1 times [2024-11-09 15:00:21,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:21,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199326020] [2024-11-09 15:00:21,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:21,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:22,211 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 15:00:22,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:22,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199326020] [2024-11-09 15:00:22,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199326020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:22,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:22,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:22,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311967732] [2024-11-09 15:00:22,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:22,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:22,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:22,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:22,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:22,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:22,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 1077 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:22,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:22,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:22,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:22,818 INFO L124 PetriNetUnfolderBase]: 586/1141 cut-off events. [2024-11-09 15:00:22,819 INFO L125 PetriNetUnfolderBase]: For 2892/2892 co-relation queries the response was YES. [2024-11-09 15:00:22,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4073 conditions, 1141 events. 586/1141 cut-off events. For 2892/2892 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6103 event pairs, 156 based on Foata normal form. 12/1153 useless extension candidates. Maximal degree in co-relation 4048. Up to 711 conditions per place. [2024-11-09 15:00:22,829 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 107 selfloop transitions, 44 changer transitions 0/153 dead transitions. [2024-11-09 15:00:22,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 153 transitions, 1480 flow [2024-11-09 15:00:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 15:00:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 15:00:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 179 transitions. [2024-11-09 15:00:22,833 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2024-11-09 15:00:22,833 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 1077 flow. Second operand 14 states and 179 transitions. [2024-11-09 15:00:22,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 153 transitions, 1480 flow [2024-11-09 15:00:22,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 153 transitions, 1422 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:22,846 INFO L231 Difference]: Finished difference. Result has 130 places, 116 transitions, 1152 flow [2024-11-09 15:00:22,847 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1152, PETRI_PLACES=130, PETRI_TRANSITIONS=116} [2024-11-09 15:00:22,847 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-11-09 15:00:22,848 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 116 transitions, 1152 flow [2024-11-09 15:00:22,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:22,848 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:22,848 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:22,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 15:00:22,849 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:22,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:22,849 INFO L85 PathProgramCache]: Analyzing trace with hash -103437457, now seen corresponding path program 2 times [2024-11-09 15:00:22,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:22,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737602421] [2024-11-09 15:00:22,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:22,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:23,462 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 15:00:23,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:23,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737602421] [2024-11-09 15:00:23,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737602421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:23,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:23,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:23,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314230715] [2024-11-09 15:00:23,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:23,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:23,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:23,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:23,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:23,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:23,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 116 transitions, 1152 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:23,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:23,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:23,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:24,243 INFO L124 PetriNetUnfolderBase]: 665/1293 cut-off events. [2024-11-09 15:00:24,243 INFO L125 PetriNetUnfolderBase]: For 3735/3735 co-relation queries the response was YES. [2024-11-09 15:00:24,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4752 conditions, 1293 events. 665/1293 cut-off events. For 3735/3735 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7170 event pairs, 176 based on Foata normal form. 14/1307 useless extension candidates. Maximal degree in co-relation 4724. Up to 678 conditions per place. [2024-11-09 15:00:24,255 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 121 selfloop transitions, 56 changer transitions 0/179 dead transitions. [2024-11-09 15:00:24,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 179 transitions, 1737 flow [2024-11-09 15:00:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 230 transitions. [2024-11-09 15:00:24,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3362573099415205 [2024-11-09 15:00:24,257 INFO L175 Difference]: Start difference. First operand has 130 places, 116 transitions, 1152 flow. Second operand 18 states and 230 transitions. [2024-11-09 15:00:24,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 179 transitions, 1737 flow [2024-11-09 15:00:24,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 179 transitions, 1661 flow, removed 3 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:24,274 INFO L231 Difference]: Finished difference. Result has 142 places, 126 transitions, 1337 flow [2024-11-09 15:00:24,274 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1337, PETRI_PLACES=142, PETRI_TRANSITIONS=126} [2024-11-09 15:00:24,275 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 103 predicate places. [2024-11-09 15:00:24,277 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 126 transitions, 1337 flow [2024-11-09 15:00:24,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:24,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:24,277 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:24,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 15:00:24,278 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 15:00:24,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:24,278 INFO L85 PathProgramCache]: Analyzing trace with hash 281270063, now seen corresponding path program 3 times [2024-11-09 15:00:24,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:24,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500109434] [2024-11-09 15:00:24,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:24,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:24,813 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 15:00:24,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:24,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500109434] [2024-11-09 15:00:24,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500109434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:24,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:24,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:24,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396575079] [2024-11-09 15:00:24,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:24,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:24,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:24,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:24,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:24,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:24,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 126 transitions, 1337 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:24,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:24,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:24,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:25,666 INFO L124 PetriNetUnfolderBase]: 746/1475 cut-off events. [2024-11-09 15:00:25,666 INFO L125 PetriNetUnfolderBase]: For 4929/4929 co-relation queries the response was YES. [2024-11-09 15:00:25,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5502 conditions, 1475 events. 746/1475 cut-off events. For 4929/4929 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8565 event pairs, 185 based on Foata normal form. 14/1489 useless extension candidates. Maximal degree in co-relation 5471. Up to 476 conditions per place. [2024-11-09 15:00:25,674 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 111 selfloop transitions, 82 changer transitions 0/195 dead transitions. [2024-11-09 15:00:25,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 195 transitions, 1913 flow [2024-11-09 15:00:25,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 15:00:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-09 15:00:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 276 transitions. [2024-11-09 15:00:25,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33014354066985646 [2024-11-09 15:00:25,676 INFO L175 Difference]: Start difference. First operand has 142 places, 126 transitions, 1337 flow. Second operand 22 states and 276 transitions. [2024-11-09 15:00:25,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 195 transitions, 1913 flow [2024-11-09 15:00:25,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 195 transitions, 1852 flow, removed 2 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:25,702 INFO L231 Difference]: Finished difference. Result has 159 places, 129 transitions, 1555 flow [2024-11-09 15:00:25,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1276, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1555, PETRI_PLACES=159, PETRI_TRANSITIONS=129} [2024-11-09 15:00:25,703 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-11-09 15:00:25,704 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 129 transitions, 1555 flow [2024-11-09 15:00:25,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:25,704 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:25,704 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:25,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 15:00:25,704 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:25,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:25,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1156661969, now seen corresponding path program 4 times [2024-11-09 15:00:25,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:25,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463879907] [2024-11-09 15:00:25,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:25,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:26,249 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 15:00:26,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:26,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463879907] [2024-11-09 15:00:26,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463879907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:26,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:26,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:26,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114789192] [2024-11-09 15:00:26,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:26,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:26,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:26,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:26,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:26,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:26,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 129 transitions, 1555 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:26,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:26,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:26,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:26,948 INFO L124 PetriNetUnfolderBase]: 808/1595 cut-off events. [2024-11-09 15:00:26,948 INFO L125 PetriNetUnfolderBase]: For 7113/7113 co-relation queries the response was YES. [2024-11-09 15:00:26,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6341 conditions, 1595 events. 808/1595 cut-off events. For 7113/7113 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 9512 event pairs, 288 based on Foata normal form. 14/1609 useless extension candidates. Maximal degree in co-relation 6306. Up to 1059 conditions per place. [2024-11-09 15:00:26,962 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 118 selfloop transitions, 49 changer transitions 0/169 dead transitions. [2024-11-09 15:00:26,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 169 transitions, 2006 flow [2024-11-09 15:00:26,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 15:00:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 15:00:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 168 transitions. [2024-11-09 15:00:26,964 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.340080971659919 [2024-11-09 15:00:26,964 INFO L175 Difference]: Start difference. First operand has 159 places, 129 transitions, 1555 flow. Second operand 13 states and 168 transitions. [2024-11-09 15:00:26,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 169 transitions, 2006 flow [2024-11-09 15:00:26,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 169 transitions, 1896 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-09 15:00:26,995 INFO L231 Difference]: Finished difference. Result has 158 places, 131 transitions, 1607 flow [2024-11-09 15:00:26,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1607, PETRI_PLACES=158, PETRI_TRANSITIONS=131} [2024-11-09 15:00:26,997 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 119 predicate places. [2024-11-09 15:00:26,997 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 131 transitions, 1607 flow [2024-11-09 15:00:26,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:26,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:26,998 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:26,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 15:00:26,998 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:26,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:26,998 INFO L85 PathProgramCache]: Analyzing trace with hash 2028751423, now seen corresponding path program 5 times [2024-11-09 15:00:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:26,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912265656] [2024-11-09 15:00:26,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:26,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:27,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:27,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912265656] [2024-11-09 15:00:27,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912265656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:27,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:27,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:27,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849151575] [2024-11-09 15:00:27,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:27,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:27,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:27,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:27,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:27,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:27,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 131 transitions, 1607 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:27,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:27,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:27,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:28,396 INFO L124 PetriNetUnfolderBase]: 889/1768 cut-off events. [2024-11-09 15:00:28,396 INFO L125 PetriNetUnfolderBase]: For 8495/8495 co-relation queries the response was YES. [2024-11-09 15:00:28,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7100 conditions, 1768 events. 889/1768 cut-off events. For 8495/8495 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 10865 event pairs, 250 based on Foata normal form. 14/1782 useless extension candidates. Maximal degree in co-relation 7063. Up to 514 conditions per place. [2024-11-09 15:00:28,411 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 106 selfloop transitions, 86 changer transitions 0/194 dead transitions. [2024-11-09 15:00:28,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 194 transitions, 2181 flow [2024-11-09 15:00:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 15:00:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 15:00:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 254 transitions. [2024-11-09 15:00:28,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3182957393483709 [2024-11-09 15:00:28,414 INFO L175 Difference]: Start difference. First operand has 158 places, 131 transitions, 1607 flow. Second operand 21 states and 254 transitions. [2024-11-09 15:00:28,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 194 transitions, 2181 flow [2024-11-09 15:00:28,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 194 transitions, 2078 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-09 15:00:28,456 INFO L231 Difference]: Finished difference. Result has 172 places, 134 transitions, 1818 flow [2024-11-09 15:00:28,457 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1818, PETRI_PLACES=172, PETRI_TRANSITIONS=134} [2024-11-09 15:00:28,457 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2024-11-09 15:00:28,457 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 134 transitions, 1818 flow [2024-11-09 15:00:28,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:28,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:28,458 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:28,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 15:00:28,458 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 15:00:28,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:28,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1059649019, now seen corresponding path program 6 times [2024-11-09 15:00:28,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:28,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482931293] [2024-11-09 15:00:28,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:28,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:28,959 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 15:00:28,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482931293] [2024-11-09 15:00:28,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482931293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:28,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:28,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898218514] [2024-11-09 15:00:28,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:28,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:28,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:28,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:28,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:28,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:28,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 134 transitions, 1818 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:28,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:28,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:28,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:29,913 INFO L124 PetriNetUnfolderBase]: 970/1911 cut-off events. [2024-11-09 15:00:29,913 INFO L125 PetriNetUnfolderBase]: For 11797/11797 co-relation queries the response was YES. [2024-11-09 15:00:29,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8215 conditions, 1911 events. 970/1911 cut-off events. For 11797/11797 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 11889 event pairs, 165 based on Foata normal form. 14/1922 useless extension candidates. Maximal degree in co-relation 8174. Up to 430 conditions per place. [2024-11-09 15:00:29,929 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 117 selfloop transitions, 105 changer transitions 0/224 dead transitions. [2024-11-09 15:00:29,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 224 transitions, 2766 flow [2024-11-09 15:00:29,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 15:00:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 15:00:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 260 transitions. [2024-11-09 15:00:29,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3258145363408521 [2024-11-09 15:00:29,932 INFO L175 Difference]: Start difference. First operand has 172 places, 134 transitions, 1818 flow. Second operand 21 states and 260 transitions. [2024-11-09 15:00:29,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 224 transitions, 2766 flow [2024-11-09 15:00:29,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 224 transitions, 2673 flow, removed 4 selfloop flow, removed 14 redundant places. [2024-11-09 15:00:29,983 INFO L231 Difference]: Finished difference. Result has 186 places, 149 transitions, 2291 flow [2024-11-09 15:00:29,983 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1730, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2291, PETRI_PLACES=186, PETRI_TRANSITIONS=149} [2024-11-09 15:00:29,984 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2024-11-09 15:00:29,984 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 149 transitions, 2291 flow [2024-11-09 15:00:29,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:29,985 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:29,985 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:29,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 15:00:29,985 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 15:00:29,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:29,985 INFO L85 PathProgramCache]: Analyzing trace with hash 335774635, now seen corresponding path program 7 times [2024-11-09 15:00:29,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:29,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406521158] [2024-11-09 15:00:29,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:29,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:30,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:30,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406521158] [2024-11-09 15:00:30,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406521158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:30,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:30,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:30,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7660789] [2024-11-09 15:00:30,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:30,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:30,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:30,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:30,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:30,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:30,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 149 transitions, 2291 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:30,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:30,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:30,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:31,346 INFO L124 PetriNetUnfolderBase]: 1046/2087 cut-off events. [2024-11-09 15:00:31,346 INFO L125 PetriNetUnfolderBase]: For 17761/17761 co-relation queries the response was YES. [2024-11-09 15:00:31,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9868 conditions, 2087 events. 1046/2087 cut-off events. For 17761/17761 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 13363 event pairs, 334 based on Foata normal form. 14/2101 useless extension candidates. Maximal degree in co-relation 9819. Up to 908 conditions per place. [2024-11-09 15:00:31,367 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 130 selfloop transitions, 75 changer transitions 0/207 dead transitions. [2024-11-09 15:00:31,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 207 transitions, 3008 flow [2024-11-09 15:00:31,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 15:00:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-09 15:00:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 204 transitions. [2024-11-09 15:00:31,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3355263157894737 [2024-11-09 15:00:31,369 INFO L175 Difference]: Start difference. First operand has 186 places, 149 transitions, 2291 flow. Second operand 16 states and 204 transitions. [2024-11-09 15:00:31,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 207 transitions, 3008 flow [2024-11-09 15:00:31,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 207 transitions, 2862 flow, removed 27 selfloop flow, removed 12 redundant places. [2024-11-09 15:00:31,449 INFO L231 Difference]: Finished difference. Result has 192 places, 155 transitions, 2509 flow [2024-11-09 15:00:31,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2509, PETRI_PLACES=192, PETRI_TRANSITIONS=155} [2024-11-09 15:00:31,449 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 153 predicate places. [2024-11-09 15:00:31,450 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 155 transitions, 2509 flow [2024-11-09 15:00:31,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:31,450 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:31,450 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:31,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 15:00:31,451 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 15:00:31,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:31,451 INFO L85 PathProgramCache]: Analyzing trace with hash 327186466, now seen corresponding path program 2 times [2024-11-09 15:00:31,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:31,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013175480] [2024-11-09 15:00:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:31,903 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 15:00:31,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:31,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013175480] [2024-11-09 15:00:31,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013175480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:31,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:31,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:31,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011583641] [2024-11-09 15:00:31,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:31,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:31,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:31,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:31,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:31,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:31,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 155 transitions, 2509 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:31,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:31,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:31,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:32,645 INFO L124 PetriNetUnfolderBase]: 1112/2219 cut-off events. [2024-11-09 15:00:32,646 INFO L125 PetriNetUnfolderBase]: For 19786/19790 co-relation queries the response was YES. [2024-11-09 15:00:32,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10443 conditions, 2219 events. 1112/2219 cut-off events. For 19786/19790 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 14472 event pairs, 444 based on Foata normal form. 16/2235 useless extension candidates. Maximal degree in co-relation 10393. Up to 1549 conditions per place. [2024-11-09 15:00:32,677 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 139 selfloop transitions, 57 changer transitions 0/198 dead transitions. [2024-11-09 15:00:32,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 198 transitions, 3068 flow [2024-11-09 15:00:32,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2024-11-09 15:00:32,682 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3298245614035088 [2024-11-09 15:00:32,687 INFO L175 Difference]: Start difference. First operand has 192 places, 155 transitions, 2509 flow. Second operand 15 states and 188 transitions. [2024-11-09 15:00:32,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 198 transitions, 3068 flow [2024-11-09 15:00:32,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 198 transitions, 2975 flow, removed 1 selfloop flow, removed 11 redundant places. [2024-11-09 15:00:32,813 INFO L231 Difference]: Finished difference. Result has 198 places, 160 transitions, 2635 flow [2024-11-09 15:00:32,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2418, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2635, PETRI_PLACES=198, PETRI_TRANSITIONS=160} [2024-11-09 15:00:32,814 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2024-11-09 15:00:32,814 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 160 transitions, 2635 flow [2024-11-09 15:00:32,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:32,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:32,814 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:32,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 15:00:32,815 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 15:00:32,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:32,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1611612988, now seen corresponding path program 3 times [2024-11-09 15:00:32,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:32,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131146885] [2024-11-09 15:00:32,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:32,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:33,269 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 15:00:33,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131146885] [2024-11-09 15:00:33,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131146885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:33,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:33,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:33,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617220923] [2024-11-09 15:00:33,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:33,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:33,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:33,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:33,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:33,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:33,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 160 transitions, 2635 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:33,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:33,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:33,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:33,906 INFO L124 PetriNetUnfolderBase]: 1168/2335 cut-off events. [2024-11-09 15:00:33,907 INFO L125 PetriNetUnfolderBase]: For 20867/20871 co-relation queries the response was YES. [2024-11-09 15:00:33,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10984 conditions, 2335 events. 1168/2335 cut-off events. For 20867/20871 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 15463 event pairs, 469 based on Foata normal form. 16/2351 useless extension candidates. Maximal degree in co-relation 10931. Up to 1650 conditions per place. [2024-11-09 15:00:33,931 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 134 selfloop transitions, 62 changer transitions 0/198 dead transitions. [2024-11-09 15:00:33,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 198 transitions, 3142 flow [2024-11-09 15:00:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 180 transitions. [2024-11-09 15:00:33,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-11-09 15:00:33,933 INFO L175 Difference]: Start difference. First operand has 198 places, 160 transitions, 2635 flow. Second operand 15 states and 180 transitions. [2024-11-09 15:00:33,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 198 transitions, 3142 flow [2024-11-09 15:00:34,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 198 transitions, 3076 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-09 15:00:34,037 INFO L231 Difference]: Finished difference. Result has 209 places, 162 transitions, 2751 flow [2024-11-09 15:00:34,037 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2569, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2751, PETRI_PLACES=209, PETRI_TRANSITIONS=162} [2024-11-09 15:00:34,038 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 170 predicate places. [2024-11-09 15:00:34,038 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 162 transitions, 2751 flow [2024-11-09 15:00:34,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:34,038 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:34,039 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:34,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 15:00:34,039 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:34,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:34,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1758300028, now seen corresponding path program 4 times [2024-11-09 15:00:34,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:34,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392399975] [2024-11-09 15:00:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:34,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:34,497 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 15:00:34,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:34,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392399975] [2024-11-09 15:00:34,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392399975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:34,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:34,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:34,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017824783] [2024-11-09 15:00:34,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:34,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:34,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:34,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:34,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:34,533 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:34,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 162 transitions, 2751 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:34,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:34,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:34,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:35,262 INFO L124 PetriNetUnfolderBase]: 1224/2451 cut-off events. [2024-11-09 15:00:35,262 INFO L125 PetriNetUnfolderBase]: For 22953/22957 co-relation queries the response was YES. [2024-11-09 15:00:35,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11634 conditions, 2451 events. 1224/2451 cut-off events. For 22953/22957 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 16496 event pairs, 461 based on Foata normal form. 12/2463 useless extension candidates. Maximal degree in co-relation 11578. Up to 1339 conditions per place. [2024-11-09 15:00:35,289 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 135 selfloop transitions, 62 changer transitions 0/199 dead transitions. [2024-11-09 15:00:35,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 199 transitions, 3270 flow [2024-11-09 15:00:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 15:00:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 15:00:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2024-11-09 15:00:35,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31954887218045114 [2024-11-09 15:00:35,292 INFO L175 Difference]: Start difference. First operand has 209 places, 162 transitions, 2751 flow. Second operand 14 states and 170 transitions. [2024-11-09 15:00:35,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 199 transitions, 3270 flow [2024-11-09 15:00:35,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 199 transitions, 3139 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-09 15:00:35,410 INFO L231 Difference]: Finished difference. Result has 213 places, 164 transitions, 2795 flow [2024-11-09 15:00:35,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2620, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2795, PETRI_PLACES=213, PETRI_TRANSITIONS=164} [2024-11-09 15:00:35,411 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 174 predicate places. [2024-11-09 15:00:35,411 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 164 transitions, 2795 flow [2024-11-09 15:00:35,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:35,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:35,412 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:35,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 15:00:35,412 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:35,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:35,412 INFO L85 PathProgramCache]: Analyzing trace with hash 98716587, now seen corresponding path program 8 times [2024-11-09 15:00:35,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:35,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020117671] [2024-11-09 15:00:35,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:35,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:35,926 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 15:00:35,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:35,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020117671] [2024-11-09 15:00:35,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020117671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:35,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:35,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:35,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661342813] [2024-11-09 15:00:35,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:35,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:35,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:35,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:35,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:35,964 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:35,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 164 transitions, 2795 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:35,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:35,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:35,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:36,735 INFO L124 PetriNetUnfolderBase]: 1286/2583 cut-off events. [2024-11-09 15:00:36,735 INFO L125 PetriNetUnfolderBase]: For 24838/24842 co-relation queries the response was YES. [2024-11-09 15:00:36,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12399 conditions, 2583 events. 1286/2583 cut-off events. For 24838/24842 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 17591 event pairs, 417 based on Foata normal form. 14/2597 useless extension candidates. Maximal degree in co-relation 12339. Up to 963 conditions per place. [2024-11-09 15:00:36,754 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 145 selfloop transitions, 83 changer transitions 0/230 dead transitions. [2024-11-09 15:00:36,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 230 transitions, 3497 flow [2024-11-09 15:00:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:00:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 15:00:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 248 transitions. [2024-11-09 15:00:36,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34349030470914127 [2024-11-09 15:00:36,756 INFO L175 Difference]: Start difference. First operand has 213 places, 164 transitions, 2795 flow. Second operand 19 states and 248 transitions. [2024-11-09 15:00:36,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 230 transitions, 3497 flow [2024-11-09 15:00:36,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 230 transitions, 3368 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-11-09 15:00:36,858 INFO L231 Difference]: Finished difference. Result has 224 places, 167 transitions, 2974 flow [2024-11-09 15:00:36,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2666, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2974, PETRI_PLACES=224, PETRI_TRANSITIONS=167} [2024-11-09 15:00:36,859 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 185 predicate places. [2024-11-09 15:00:36,859 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 167 transitions, 2974 flow [2024-11-09 15:00:36,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:36,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:36,860 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:36,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 15:00:36,860 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 15:00:36,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash 90128418, now seen corresponding path program 5 times [2024-11-09 15:00:36,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:36,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974225480] [2024-11-09 15:00:36,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:37,395 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 15:00:37,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:37,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974225480] [2024-11-09 15:00:37,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974225480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:37,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:37,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:37,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353462538] [2024-11-09 15:00:37,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:37,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:37,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:37,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:37,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:37,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:37,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 167 transitions, 2974 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:37,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:37,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:37,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:38,078 INFO L124 PetriNetUnfolderBase]: 1269/2554 cut-off events. [2024-11-09 15:00:38,078 INFO L125 PetriNetUnfolderBase]: For 27370/27374 co-relation queries the response was YES. [2024-11-09 15:00:38,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12576 conditions, 2554 events. 1269/2554 cut-off events. For 27370/27374 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 17422 event pairs, 498 based on Foata normal form. 12/2566 useless extension candidates. Maximal degree in co-relation 12515. Up to 1793 conditions per place. [2024-11-09 15:00:38,101 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 147 selfloop transitions, 57 changer transitions 0/206 dead transitions. [2024-11-09 15:00:38,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 206 transitions, 3469 flow [2024-11-09 15:00:38,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2024-11-09 15:00:38,102 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-09 15:00:38,102 INFO L175 Difference]: Start difference. First operand has 224 places, 167 transitions, 2974 flow. Second operand 15 states and 190 transitions. [2024-11-09 15:00:38,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 206 transitions, 3469 flow [2024-11-09 15:00:38,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 206 transitions, 3354 flow, removed 7 selfloop flow, removed 17 redundant places. [2024-11-09 15:00:38,195 INFO L231 Difference]: Finished difference. Result has 220 places, 166 transitions, 2959 flow [2024-11-09 15:00:38,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2845, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2959, PETRI_PLACES=220, PETRI_TRANSITIONS=166} [2024-11-09 15:00:38,195 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-11-09 15:00:38,196 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 166 transitions, 2959 flow [2024-11-09 15:00:38,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:38,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:38,196 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:38,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 15:00:38,196 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:38,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:38,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1233458125, now seen corresponding path program 9 times [2024-11-09 15:00:38,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:38,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313361082] [2024-11-09 15:00:38,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:38,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:38,715 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 15:00:38,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:38,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313361082] [2024-11-09 15:00:38,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313361082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:38,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:38,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:38,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746844348] [2024-11-09 15:00:38,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:38,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:38,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:38,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:38,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:38,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:38,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 166 transitions, 2959 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:38,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:38,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:38,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:39,449 INFO L124 PetriNetUnfolderBase]: 1331/2684 cut-off events. [2024-11-09 15:00:39,449 INFO L125 PetriNetUnfolderBase]: For 28559/28563 co-relation queries the response was YES. [2024-11-09 15:00:39,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13261 conditions, 2684 events. 1331/2684 cut-off events. For 28559/28563 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 18524 event pairs, 436 based on Foata normal form. 14/2698 useless extension candidates. Maximal degree in co-relation 13203. Up to 1048 conditions per place. [2024-11-09 15:00:39,468 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 134 selfloop transitions, 89 changer transitions 0/225 dead transitions. [2024-11-09 15:00:39,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 225 transitions, 3647 flow [2024-11-09 15:00:39,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 226 transitions. [2024-11-09 15:00:39,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3304093567251462 [2024-11-09 15:00:39,470 INFO L175 Difference]: Start difference. First operand has 220 places, 166 transitions, 2959 flow. Second operand 18 states and 226 transitions. [2024-11-09 15:00:39,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 225 transitions, 3647 flow [2024-11-09 15:00:39,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 225 transitions, 3551 flow, removed 7 selfloop flow, removed 13 redundant places. [2024-11-09 15:00:39,569 INFO L231 Difference]: Finished difference. Result has 227 places, 169 transitions, 3199 flow [2024-11-09 15:00:39,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2864, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3199, PETRI_PLACES=227, PETRI_TRANSITIONS=169} [2024-11-09 15:00:39,570 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 188 predicate places. [2024-11-09 15:00:39,570 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 169 transitions, 3199 flow [2024-11-09 15:00:39,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:39,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:39,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:39,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 15:00:39,571 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 15:00:39,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:39,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1618165645, now seen corresponding path program 10 times [2024-11-09 15:00:39,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:39,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903992705] [2024-11-09 15:00:39,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:39,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:40,143 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 15:00:40,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:40,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903992705] [2024-11-09 15:00:40,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903992705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:40,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:40,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:40,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299136756] [2024-11-09 15:00:40,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:40,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:40,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:40,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:40,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:40,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:40,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 169 transitions, 3199 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:40,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:40,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:40,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:40,944 INFO L124 PetriNetUnfolderBase]: 1312/2651 cut-off events. [2024-11-09 15:00:40,944 INFO L125 PetriNetUnfolderBase]: For 31588/31592 co-relation queries the response was YES. [2024-11-09 15:00:40,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 2651 events. 1312/2651 cut-off events. For 31588/31592 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 18284 event pairs, 370 based on Foata normal form. 14/2665 useless extension candidates. Maximal degree in co-relation 13394. Up to 683 conditions per place. [2024-11-09 15:00:40,961 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 137 selfloop transitions, 96 changer transitions 0/235 dead transitions. [2024-11-09 15:00:40,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 235 transitions, 3814 flow [2024-11-09 15:00:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:00:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 15:00:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 245 transitions. [2024-11-09 15:00:40,962 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33933518005540164 [2024-11-09 15:00:40,962 INFO L175 Difference]: Start difference. First operand has 227 places, 169 transitions, 3199 flow. Second operand 19 states and 245 transitions. [2024-11-09 15:00:40,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 235 transitions, 3814 flow [2024-11-09 15:00:41,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 235 transitions, 3505 flow, removed 15 selfloop flow, removed 24 redundant places. [2024-11-09 15:00:41,062 INFO L231 Difference]: Finished difference. Result has 220 places, 168 transitions, 3060 flow [2024-11-09 15:00:41,063 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2868, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3060, PETRI_PLACES=220, PETRI_TRANSITIONS=168} [2024-11-09 15:00:41,063 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-11-09 15:00:41,063 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 168 transitions, 3060 flow [2024-11-09 15:00:41,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:41,064 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:41,064 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:41,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 15:00:41,064 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 15:00:41,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:41,065 INFO L85 PathProgramCache]: Analyzing trace with hash 271157345, now seen corresponding path program 1 times [2024-11-09 15:00:41,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:41,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88645013] [2024-11-09 15:00:41,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:41,533 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 15:00:41,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:41,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88645013] [2024-11-09 15:00:41,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88645013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:41,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:41,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:41,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178742219] [2024-11-09 15:00:41,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:41,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:41,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:41,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:41,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:41,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:41,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 168 transitions, 3060 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:41,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:41,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:41,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:42,202 INFO L124 PetriNetUnfolderBase]: 1293/2608 cut-off events. [2024-11-09 15:00:42,202 INFO L125 PetriNetUnfolderBase]: For 27996/28000 co-relation queries the response was YES. [2024-11-09 15:00:42,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12990 conditions, 2608 events. 1293/2608 cut-off events. For 27996/28000 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 18100 event pairs, 627 based on Foata normal form. 14/2622 useless extension candidates. Maximal degree in co-relation 12943. Up to 2071 conditions per place. [2024-11-09 15:00:42,217 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 131 selfloop transitions, 47 changer transitions 25/205 dead transitions. [2024-11-09 15:00:42,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 205 transitions, 3496 flow [2024-11-09 15:00:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 15:00:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 15:00:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 180 transitions. [2024-11-09 15:00:42,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3383458646616541 [2024-11-09 15:00:42,219 INFO L175 Difference]: Start difference. First operand has 220 places, 168 transitions, 3060 flow. Second operand 14 states and 180 transitions. [2024-11-09 15:00:42,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 205 transitions, 3496 flow [2024-11-09 15:00:42,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 205 transitions, 3325 flow, removed 6 selfloop flow, removed 16 redundant places. [2024-11-09 15:00:42,291 INFO L231 Difference]: Finished difference. Result has 217 places, 160 transitions, 2788 flow [2024-11-09 15:00:42,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2829, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2788, PETRI_PLACES=217, PETRI_TRANSITIONS=160} [2024-11-09 15:00:42,291 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 178 predicate places. [2024-11-09 15:00:42,291 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 160 transitions, 2788 flow [2024-11-09 15:00:42,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:42,292 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:42,292 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:42,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 15:00:42,292 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 15:00:42,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:42,292 INFO L85 PathProgramCache]: Analyzing trace with hash 4924115, now seen corresponding path program 1 times [2024-11-09 15:00:42,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:42,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825183803] [2024-11-09 15:00:42,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:42,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:42,751 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 15:00:42,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:42,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825183803] [2024-11-09 15:00:42,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825183803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:42,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:42,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:42,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441349236] [2024-11-09 15:00:42,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:42,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:42,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:42,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:42,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:42,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:42,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 160 transitions, 2788 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:42,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:42,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:42,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:43,377 INFO L124 PetriNetUnfolderBase]: 1223/2474 cut-off events. [2024-11-09 15:00:43,377 INFO L125 PetriNetUnfolderBase]: For 24531/24535 co-relation queries the response was YES. [2024-11-09 15:00:43,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12173 conditions, 2474 events. 1223/2474 cut-off events. For 24531/24535 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 17037 event pairs, 637 based on Foata normal form. 12/2486 useless extension candidates. Maximal degree in co-relation 12127. Up to 1865 conditions per place. [2024-11-09 15:00:43,393 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 121 selfloop transitions, 57 changer transitions 26/206 dead transitions. [2024-11-09 15:00:43,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 206 transitions, 3375 flow [2024-11-09 15:00:43,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 216 transitions. [2024-11-09 15:00:43,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-11-09 15:00:43,394 INFO L175 Difference]: Start difference. First operand has 217 places, 160 transitions, 2788 flow. Second operand 18 states and 216 transitions. [2024-11-09 15:00:43,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 206 transitions, 3375 flow [2024-11-09 15:00:43,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 206 transitions, 3175 flow, removed 11 selfloop flow, removed 14 redundant places. [2024-11-09 15:00:43,455 INFO L231 Difference]: Finished difference. Result has 214 places, 152 transitions, 2592 flow [2024-11-09 15:00:43,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2571, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2592, PETRI_PLACES=214, PETRI_TRANSITIONS=152} [2024-11-09 15:00:43,456 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 175 predicate places. [2024-11-09 15:00:43,456 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 152 transitions, 2592 flow [2024-11-09 15:00:43,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:43,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:43,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:43,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 15:00:43,457 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 15:00:43,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:43,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1433386435, now seen corresponding path program 2 times [2024-11-09 15:00:43,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:43,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111657681] [2024-11-09 15:00:43,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:43,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:43,926 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 15:00:43,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:43,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111657681] [2024-11-09 15:00:43,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111657681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:43,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:43,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:43,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459537250] [2024-11-09 15:00:43,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:43,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:43,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:43,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:43,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:43,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:43,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 152 transitions, 2592 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:43,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:43,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:43,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:44,623 INFO L124 PetriNetUnfolderBase]: 1127/2286 cut-off events. [2024-11-09 15:00:44,623 INFO L125 PetriNetUnfolderBase]: For 20169/20173 co-relation queries the response was YES. [2024-11-09 15:00:44,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11001 conditions, 2286 events. 1127/2286 cut-off events. For 20169/20173 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 15541 event pairs, 591 based on Foata normal form. 14/2300 useless extension candidates. Maximal degree in co-relation 10956. Up to 1849 conditions per place. [2024-11-09 15:00:44,636 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 122 selfloop transitions, 37 changer transitions 25/186 dead transitions. [2024-11-09 15:00:44,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 186 transitions, 2988 flow [2024-11-09 15:00:44,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 182 transitions. [2024-11-09 15:00:44,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3192982456140351 [2024-11-09 15:00:44,638 INFO L175 Difference]: Start difference. First operand has 214 places, 152 transitions, 2592 flow. Second operand 15 states and 182 transitions. [2024-11-09 15:00:44,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 186 transitions, 2988 flow [2024-11-09 15:00:44,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 186 transitions, 2734 flow, removed 11 selfloop flow, removed 27 redundant places. [2024-11-09 15:00:44,692 INFO L231 Difference]: Finished difference. Result has 190 places, 144 transitions, 2279 flow [2024-11-09 15:00:44,692 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2282, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2279, PETRI_PLACES=190, PETRI_TRANSITIONS=144} [2024-11-09 15:00:44,692 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 151 predicate places. [2024-11-09 15:00:44,693 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 144 transitions, 2279 flow [2024-11-09 15:00:44,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:44,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:44,693 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:44,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 15:00:44,693 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:44,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:44,693 INFO L85 PathProgramCache]: Analyzing trace with hash 129437887, now seen corresponding path program 3 times [2024-11-09 15:00:44,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:44,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769460974] [2024-11-09 15:00:44,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:44,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:45,118 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 15:00:45,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:45,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769460974] [2024-11-09 15:00:45,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769460974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:45,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:45,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:45,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638929] [2024-11-09 15:00:45,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:45,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:45,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:45,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:45,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:45,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:45,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 144 transitions, 2279 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:45,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:45,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:45,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:45,685 INFO L124 PetriNetUnfolderBase]: 1051/2144 cut-off events. [2024-11-09 15:00:45,685 INFO L125 PetriNetUnfolderBase]: For 17449/17453 co-relation queries the response was YES. [2024-11-09 15:00:45,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9898 conditions, 2144 events. 1051/2144 cut-off events. For 17449/17453 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 14195 event pairs, 372 based on Foata normal form. 14/2158 useless extension candidates. Maximal degree in co-relation 9856. Up to 1474 conditions per place. [2024-11-09 15:00:45,697 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 96 selfloop transitions, 60 changer transitions 30/188 dead transitions. [2024-11-09 15:00:45,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 188 transitions, 2707 flow [2024-11-09 15:00:45,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:45,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 220 transitions. [2024-11-09 15:00:45,699 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3216374269005848 [2024-11-09 15:00:45,699 INFO L175 Difference]: Start difference. First operand has 190 places, 144 transitions, 2279 flow. Second operand 18 states and 220 transitions. [2024-11-09 15:00:45,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 188 transitions, 2707 flow [2024-11-09 15:00:45,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 188 transitions, 2560 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-11-09 15:00:45,742 INFO L231 Difference]: Finished difference. Result has 187 places, 133 transitions, 2070 flow [2024-11-09 15:00:45,742 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2070, PETRI_PLACES=187, PETRI_TRANSITIONS=133} [2024-11-09 15:00:45,743 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2024-11-09 15:00:45,743 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 133 transitions, 2070 flow [2024-11-09 15:00:45,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:45,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:45,743 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:45,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 15:00:45,743 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:45,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:45,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1533214801, now seen corresponding path program 4 times [2024-11-09 15:00:45,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:45,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414476901] [2024-11-09 15:00:45,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:45,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:46,149 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 15:00:46,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:46,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414476901] [2024-11-09 15:00:46,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414476901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:46,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:46,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:46,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038254865] [2024-11-09 15:00:46,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:46,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:46,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:46,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:46,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:46,182 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:46,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 133 transitions, 2070 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:46,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:46,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:46,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:46,825 INFO L124 PetriNetUnfolderBase]: 959/1956 cut-off events. [2024-11-09 15:00:46,825 INFO L125 PetriNetUnfolderBase]: For 15715/15719 co-relation queries the response was YES. [2024-11-09 15:00:46,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9006 conditions, 1956 events. 959/1956 cut-off events. For 15715/15719 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 12750 event pairs, 307 based on Foata normal form. 14/1970 useless extension candidates. Maximal degree in co-relation 8965. Up to 1193 conditions per place. [2024-11-09 15:00:46,836 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 100 selfloop transitions, 62 changer transitions 15/179 dead transitions. [2024-11-09 15:00:46,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 179 transitions, 2491 flow [2024-11-09 15:00:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:00:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 15:00:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 227 transitions. [2024-11-09 15:00:46,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.314404432132964 [2024-11-09 15:00:46,837 INFO L175 Difference]: Start difference. First operand has 187 places, 133 transitions, 2070 flow. Second operand 19 states and 227 transitions. [2024-11-09 15:00:46,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 179 transitions, 2491 flow [2024-11-09 15:00:46,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 179 transitions, 2208 flow, removed 12 selfloop flow, removed 23 redundant places. [2024-11-09 15:00:46,874 INFO L231 Difference]: Finished difference. Result has 176 places, 127 transitions, 1813 flow [2024-11-09 15:00:46,875 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1737, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1813, PETRI_PLACES=176, PETRI_TRANSITIONS=127} [2024-11-09 15:00:46,875 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2024-11-09 15:00:46,876 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 127 transitions, 1813 flow [2024-11-09 15:00:46,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:46,876 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:46,876 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:46,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 15:00:46,876 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 15:00:46,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:46,877 INFO L85 PathProgramCache]: Analyzing trace with hash -241778473, now seen corresponding path program 5 times [2024-11-09 15:00:46,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:46,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030984510] [2024-11-09 15:00:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:47,288 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 15:00:47,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:47,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030984510] [2024-11-09 15:00:47,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030984510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:47,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:47,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:47,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601368609] [2024-11-09 15:00:47,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:47,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:47,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:47,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:47,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:47,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:47,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 127 transitions, 1813 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:47,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:47,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:47,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:47,823 INFO L124 PetriNetUnfolderBase]: 874/1779 cut-off events. [2024-11-09 15:00:47,823 INFO L125 PetriNetUnfolderBase]: For 11979/11983 co-relation queries the response was YES. [2024-11-09 15:00:47,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7850 conditions, 1779 events. 874/1779 cut-off events. For 11979/11983 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11436 event pairs, 434 based on Foata normal form. 14/1793 useless extension candidates. Maximal degree in co-relation 7813. Up to 1413 conditions per place. [2024-11-09 15:00:47,831 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 100 selfloop transitions, 25 changer transitions 29/156 dead transitions. [2024-11-09 15:00:47,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 156 transitions, 2147 flow [2024-11-09 15:00:47,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:00:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:00:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 149 transitions. [2024-11-09 15:00:47,833 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3267543859649123 [2024-11-09 15:00:47,833 INFO L175 Difference]: Start difference. First operand has 176 places, 127 transitions, 1813 flow. Second operand 12 states and 149 transitions. [2024-11-09 15:00:47,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 156 transitions, 2147 flow [2024-11-09 15:00:47,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 156 transitions, 1921 flow, removed 0 selfloop flow, removed 23 redundant places. [2024-11-09 15:00:47,861 INFO L231 Difference]: Finished difference. Result has 163 places, 117 transitions, 1527 flow [2024-11-09 15:00:47,861 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1539, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1527, PETRI_PLACES=163, PETRI_TRANSITIONS=117} [2024-11-09 15:00:47,862 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 124 predicate places. [2024-11-09 15:00:47,862 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 117 transitions, 1527 flow [2024-11-09 15:00:47,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:47,862 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:47,862 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:47,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 15:00:47,862 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:47,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:47,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1510618253, now seen corresponding path program 6 times [2024-11-09 15:00:47,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:47,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623617234] [2024-11-09 15:00:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:48,240 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 15:00:48,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:48,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623617234] [2024-11-09 15:00:48,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623617234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:48,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:48,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:48,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945439827] [2024-11-09 15:00:48,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:48,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:48,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:48,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:48,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:48,264 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:48,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 117 transitions, 1527 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:48,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:48,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:48,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:48,753 INFO L124 PetriNetUnfolderBase]: 798/1630 cut-off events. [2024-11-09 15:00:48,754 INFO L125 PetriNetUnfolderBase]: For 9518/9522 co-relation queries the response was YES. [2024-11-09 15:00:48,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6902 conditions, 1630 events. 798/1630 cut-off events. For 9518/9522 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 10165 event pairs, 196 based on Foata normal form. 11/1641 useless extension candidates. Maximal degree in co-relation 6867. Up to 819 conditions per place. [2024-11-09 15:00:48,764 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 75 selfloop transitions, 58 changer transitions 36/171 dead transitions. [2024-11-09 15:00:48,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 171 transitions, 2010 flow [2024-11-09 15:00:48,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:00:48,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 15:00:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 230 transitions. [2024-11-09 15:00:48,765 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3185595567867036 [2024-11-09 15:00:48,766 INFO L175 Difference]: Start difference. First operand has 163 places, 117 transitions, 1527 flow. Second operand 19 states and 230 transitions. [2024-11-09 15:00:48,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 171 transitions, 2010 flow [2024-11-09 15:00:48,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 171 transitions, 1909 flow, removed 1 selfloop flow, removed 10 redundant places. [2024-11-09 15:00:48,790 INFO L231 Difference]: Finished difference. Result has 159 places, 106 transitions, 1443 flow [2024-11-09 15:00:48,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1443, PETRI_PLACES=159, PETRI_TRANSITIONS=106} [2024-11-09 15:00:48,791 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-11-09 15:00:48,791 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 106 transitions, 1443 flow [2024-11-09 15:00:48,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:48,791 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:48,792 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:48,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 15:00:48,792 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 15:00:48,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:48,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1552846389, now seen corresponding path program 2 times [2024-11-09 15:00:48,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:48,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993132554] [2024-11-09 15:00:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:48,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:49,101 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 15:00:49,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:49,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993132554] [2024-11-09 15:00:49,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993132554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:49,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:49,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:49,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125028429] [2024-11-09 15:00:49,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:49,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:49,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:49,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:49,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:49,124 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:49,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 106 transitions, 1443 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:49,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:49,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:49,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:49,630 INFO L124 PetriNetUnfolderBase]: 710/1449 cut-off events. [2024-11-09 15:00:49,631 INFO L125 PetriNetUnfolderBase]: For 9128/9132 co-relation queries the response was YES. [2024-11-09 15:00:49,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6339 conditions, 1449 events. 710/1449 cut-off events. For 9128/9132 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8797 event pairs, 167 based on Foata normal form. 16/1465 useless extension candidates. Maximal degree in co-relation 6307. Up to 914 conditions per place. [2024-11-09 15:00:49,637 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 74 selfloop transitions, 50 changer transitions 21/147 dead transitions. [2024-11-09 15:00:49,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 147 transitions, 1819 flow [2024-11-09 15:00:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 15:00:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 15:00:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 226 transitions. [2024-11-09 15:00:49,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29736842105263156 [2024-11-09 15:00:49,638 INFO L175 Difference]: Start difference. First operand has 159 places, 106 transitions, 1443 flow. Second operand 20 states and 226 transitions. [2024-11-09 15:00:49,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 147 transitions, 1819 flow [2024-11-09 15:00:49,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 147 transitions, 1469 flow, removed 12 selfloop flow, removed 28 redundant places. [2024-11-09 15:00:49,659 INFO L231 Difference]: Finished difference. Result has 143 places, 97 transitions, 1081 flow [2024-11-09 15:00:49,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1081, PETRI_PLACES=143, PETRI_TRANSITIONS=97} [2024-11-09 15:00:49,659 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2024-11-09 15:00:49,659 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 97 transitions, 1081 flow [2024-11-09 15:00:49,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:49,659 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:49,660 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:49,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 15:00:49,660 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 15:00:49,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1234752573, now seen corresponding path program 7 times [2024-11-09 15:00:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:49,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901269151] [2024-11-09 15:00:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:49,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:50,082 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 15:00:50,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:50,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901269151] [2024-11-09 15:00:50,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901269151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:50,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:50,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:50,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601960587] [2024-11-09 15:00:50,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:50,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:50,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:50,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:50,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:50,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:50,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 97 transitions, 1081 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:50,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:50,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:50,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:50,598 INFO L124 PetriNetUnfolderBase]: 626/1281 cut-off events. [2024-11-09 15:00:50,598 INFO L125 PetriNetUnfolderBase]: For 4884/4884 co-relation queries the response was YES. [2024-11-09 15:00:50,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4850 conditions, 1281 events. 626/1281 cut-off events. For 4884/4884 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7513 event pairs, 147 based on Foata normal form. 14/1295 useless extension candidates. Maximal degree in co-relation 4827. Up to 784 conditions per place. [2024-11-09 15:00:50,603 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 76 selfloop transitions, 41 changer transitions 24/143 dead transitions. [2024-11-09 15:00:50,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 1436 flow [2024-11-09 15:00:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:50,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 215 transitions. [2024-11-09 15:00:50,605 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31432748538011696 [2024-11-09 15:00:50,605 INFO L175 Difference]: Start difference. First operand has 143 places, 97 transitions, 1081 flow. Second operand 18 states and 215 transitions. [2024-11-09 15:00:50,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 1436 flow [2024-11-09 15:00:50,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 143 transitions, 1293 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-11-09 15:00:50,617 INFO L231 Difference]: Finished difference. Result has 134 places, 88 transitions, 878 flow [2024-11-09 15:00:50,617 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=878, PETRI_PLACES=134, PETRI_TRANSITIONS=88} [2024-11-09 15:00:50,617 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2024-11-09 15:00:50,617 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 88 transitions, 878 flow [2024-11-09 15:00:50,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:50,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:50,618 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:50,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 15:00:50,618 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:50,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:50,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1819079619, now seen corresponding path program 8 times [2024-11-09 15:00:50,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:50,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638482543] [2024-11-09 15:00:50,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:50,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:51,019 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 15:00:51,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:51,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638482543] [2024-11-09 15:00:51,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638482543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:51,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:51,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:51,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147885111] [2024-11-09 15:00:51,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:51,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:51,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:51,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:51,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:51,049 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:51,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 88 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:51,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:51,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:51,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:51,485 INFO L124 PetriNetUnfolderBase]: 538/1101 cut-off events. [2024-11-09 15:00:51,485 INFO L125 PetriNetUnfolderBase]: For 3669/3677 co-relation queries the response was YES. [2024-11-09 15:00:51,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3972 conditions, 1101 events. 538/1101 cut-off events. For 3669/3677 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6173 event pairs, 142 based on Foata normal form. 18/1119 useless extension candidates. Maximal degree in co-relation 3950. Up to 684 conditions per place. [2024-11-09 15:00:51,488 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 61 selfloop transitions, 28 changer transitions 35/126 dead transitions. [2024-11-09 15:00:51,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 126 transitions, 1178 flow [2024-11-09 15:00:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-11-09 15:00:51,489 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.312280701754386 [2024-11-09 15:00:51,489 INFO L175 Difference]: Start difference. First operand has 134 places, 88 transitions, 878 flow. Second operand 15 states and 178 transitions. [2024-11-09 15:00:51,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 126 transitions, 1178 flow [2024-11-09 15:00:51,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 126 transitions, 1041 flow, removed 3 selfloop flow, removed 20 redundant places. [2024-11-09 15:00:51,497 INFO L231 Difference]: Finished difference. Result has 125 places, 75 transitions, 654 flow [2024-11-09 15:00:51,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=654, PETRI_PLACES=125, PETRI_TRANSITIONS=75} [2024-11-09 15:00:51,498 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 86 predicate places. [2024-11-09 15:00:51,498 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 75 transitions, 654 flow [2024-11-09 15:00:51,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:51,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:51,498 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:51,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 15:00:51,498 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 15:00:51,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1413371679, now seen corresponding path program 3 times [2024-11-09 15:00:51,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:51,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207363238] [2024-11-09 15:00:51,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:51,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:51,806 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 15:00:51,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:51,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207363238] [2024-11-09 15:00:51,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207363238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:51,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:51,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:51,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903528342] [2024-11-09 15:00:51,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:51,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:51,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:51,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:51,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:51,841 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:51,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 75 transitions, 654 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:51,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:51,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:51,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:52,356 INFO L124 PetriNetUnfolderBase]: 411/846 cut-off events. [2024-11-09 15:00:52,356 INFO L125 PetriNetUnfolderBase]: For 2346/2350 co-relation queries the response was YES. [2024-11-09 15:00:52,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 846 events. 411/846 cut-off events. For 2346/2350 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4467 event pairs, 92 based on Foata normal form. 28/874 useless extension candidates. Maximal degree in co-relation 2849. Up to 426 conditions per place. [2024-11-09 15:00:52,358 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 45 selfloop transitions, 24 changer transitions 40/111 dead transitions. [2024-11-09 15:00:52,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 111 transitions, 929 flow [2024-11-09 15:00:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 15:00:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 15:00:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 212 transitions. [2024-11-09 15:00:52,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2789473684210526 [2024-11-09 15:00:52,360 INFO L175 Difference]: Start difference. First operand has 125 places, 75 transitions, 654 flow. Second operand 20 states and 212 transitions. [2024-11-09 15:00:52,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 111 transitions, 929 flow [2024-11-09 15:00:52,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 111 transitions, 816 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-11-09 15:00:52,365 INFO L231 Difference]: Finished difference. Result has 118 places, 56 transitions, 412 flow [2024-11-09 15:00:52,365 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=412, PETRI_PLACES=118, PETRI_TRANSITIONS=56} [2024-11-09 15:00:52,365 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-09 15:00:52,365 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 56 transitions, 412 flow [2024-11-09 15:00:52,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:52,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:52,365 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:52,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 15:00:52,366 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:52,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:52,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1327274515, now seen corresponding path program 4 times [2024-11-09 15:00:52,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:52,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364031677] [2024-11-09 15:00:52,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:52,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:52,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:52,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364031677] [2024-11-09 15:00:52,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364031677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:52,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:52,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:52,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298576819] [2024-11-09 15:00:52,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:52,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:52,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:52,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:52,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:52,686 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:52,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 56 transitions, 412 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:52,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:52,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:52,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:52,939 INFO L124 PetriNetUnfolderBase]: 248/519 cut-off events. [2024-11-09 15:00:52,939 INFO L125 PetriNetUnfolderBase]: For 760/760 co-relation queries the response was YES. [2024-11-09 15:00:52,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1747 conditions, 519 events. 248/519 cut-off events. For 760/760 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2376 event pairs, 60 based on Foata normal form. 12/531 useless extension candidates. Maximal degree in co-relation 1731. Up to 289 conditions per place. [2024-11-09 15:00:52,941 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 32 selfloop transitions, 16 changer transitions 30/80 dead transitions. [2024-11-09 15:00:52,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 80 transitions, 614 flow [2024-11-09 15:00:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 155 transitions. [2024-11-09 15:00:52,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2719298245614035 [2024-11-09 15:00:52,941 INFO L175 Difference]: Start difference. First operand has 118 places, 56 transitions, 412 flow. Second operand 15 states and 155 transitions. [2024-11-09 15:00:52,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 80 transitions, 614 flow [2024-11-09 15:00:52,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 80 transitions, 517 flow, removed 3 selfloop flow, removed 23 redundant places. [2024-11-09 15:00:52,944 INFO L231 Difference]: Finished difference. Result has 87 places, 42 transitions, 272 flow [2024-11-09 15:00:52,944 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=272, PETRI_PLACES=87, PETRI_TRANSITIONS=42} [2024-11-09 15:00:52,944 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-11-09 15:00:52,945 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 42 transitions, 272 flow [2024-11-09 15:00:52,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:52,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:52,945 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:52,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 15:00:52,945 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 15:00:52,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:52,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1804568701, now seen corresponding path program 9 times [2024-11-09 15:00:52,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:52,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301052193] [2024-11-09 15:00:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:52,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:53,291 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 15:00:53,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:53,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301052193] [2024-11-09 15:00:53,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301052193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:53,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:53,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:53,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583182777] [2024-11-09 15:00:53,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:53,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:53,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:53,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:53,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:53,318 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:53,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 42 transitions, 272 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:53,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:53,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:53,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:53,567 INFO L124 PetriNetUnfolderBase]: 160/343 cut-off events. [2024-11-09 15:00:53,567 INFO L125 PetriNetUnfolderBase]: For 428/428 co-relation queries the response was YES. [2024-11-09 15:00:53,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 343 events. 160/343 cut-off events. For 428/428 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1387 event pairs, 40 based on Foata normal form. 14/357 useless extension candidates. Maximal degree in co-relation 1074. Up to 159 conditions per place. [2024-11-09 15:00:53,568 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 25 selfloop transitions, 13 changer transitions 25/65 dead transitions. [2024-11-09 15:00:53,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 65 transitions, 426 flow [2024-11-09 15:00:53,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:00:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:00:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 128 transitions. [2024-11-09 15:00:53,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2807017543859649 [2024-11-09 15:00:53,569 INFO L175 Difference]: Start difference. First operand has 87 places, 42 transitions, 272 flow. Second operand 12 states and 128 transitions. [2024-11-09 15:00:53,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 65 transitions, 426 flow [2024-11-09 15:00:53,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 65 transitions, 374 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-11-09 15:00:53,571 INFO L231 Difference]: Finished difference. Result has 67 places, 33 transitions, 174 flow [2024-11-09 15:00:53,571 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=174, PETRI_PLACES=67, PETRI_TRANSITIONS=33} [2024-11-09 15:00:53,571 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 28 predicate places. [2024-11-09 15:00:53,571 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 33 transitions, 174 flow [2024-11-09 15:00:53,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:53,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:53,572 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:53,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 15:00:53,572 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:53,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:53,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1376472031, now seen corresponding path program 10 times [2024-11-09 15:00:53,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:53,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589540819] [2024-11-09 15:00:53,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:53,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:53,895 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 15:00:53,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:53,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589540819] [2024-11-09 15:00:53,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589540819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:53,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:53,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:53,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32444477] [2024-11-09 15:00:53,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:53,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:53,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:53,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:53,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:53,916 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-09 15:00:53,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 33 transitions, 174 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:53,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:53,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-09 15:00:53,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:54,114 INFO L124 PetriNetUnfolderBase]: 78/181 cut-off events. [2024-11-09 15:00:54,114 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-09 15:00:54,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 181 events. 78/181 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 579 event pairs, 0 based on Foata normal form. 14/195 useless extension candidates. Maximal degree in co-relation 457. Up to 66 conditions per place. [2024-11-09 15:00:54,115 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2024-11-09 15:00:54,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 291 flow [2024-11-09 15:00:54,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:00:54,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:00:54,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 119 transitions. [2024-11-09 15:00:54,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26096491228070173 [2024-11-09 15:00:54,116 INFO L175 Difference]: Start difference. First operand has 67 places, 33 transitions, 174 flow. Second operand 12 states and 119 transitions. [2024-11-09 15:00:54,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 291 flow [2024-11-09 15:00:54,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 251 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-09 15:00:54,117 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2024-11-09 15:00:54,117 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2024-11-09 15:00:54,117 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 10 predicate places. [2024-11-09 15:00:54,117 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2024-11-09 15:00:54,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:54,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-09 15:00:54,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-09 15:00:54,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-09 15:00:54,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-09 15:00:54,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-09 15:00:54,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-09 15:00:54,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-09 15:00:54,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-09 15:00:54,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 15:00:54,123 INFO L407 BasicCegarLoop]: Path program histogram: [10, 10, 5, 4, 3, 3, 1, 1, 1] [2024-11-09 15:00:54,128 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 15:00:54,129 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 15:00:54,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:00:54 BasicIcfg [2024-11-09 15:00:54,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 15:00:54,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:00:54,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:00:54,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:00:54,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:09" (3/4) ... [2024-11-09 15:00:54,137 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 15:00:54,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-09 15:00:54,147 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2024-11-09 15:00:54,148 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-11-09 15:00:54,148 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 15:00:54,148 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 15:00:54,243 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 15:00:54,243 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 15:00:54,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:00:54,246 INFO L158 Benchmark]: Toolchain (without parser) took 46832.94ms. Allocated memory was 144.7MB in the beginning and 926.9MB in the end (delta: 782.2MB). Free memory was 109.9MB in the beginning and 711.1MB in the end (delta: -601.3MB). Peak memory consumption was 184.1MB. Max. memory is 16.1GB. [2024-11-09 15:00:54,246 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 109.1MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:00:54,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.46ms. Allocated memory is still 144.7MB. Free memory was 109.9MB in the beginning and 72.8MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 15:00:54,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.27ms. Allocated memory is still 144.7MB. Free memory was 72.8MB in the beginning and 70.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:00:54,247 INFO L158 Benchmark]: Boogie Preprocessor took 84.02ms. Allocated memory is still 144.7MB. Free memory was 70.2MB in the beginning and 66.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 15:00:54,247 INFO L158 Benchmark]: RCFGBuilder took 869.49ms. Allocated memory is still 144.7MB. Free memory was 66.0MB in the beginning and 87.0MB in the end (delta: -21.0MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-11-09 15:00:54,247 INFO L158 Benchmark]: TraceAbstraction took 44993.43ms. Allocated memory was 144.7MB in the beginning and 926.9MB in the end (delta: 782.2MB). Free memory was 86.5MB in the beginning and 717.4MB in the end (delta: -630.9MB). Peak memory consumption was 152.4MB. Max. memory is 16.1GB. [2024-11-09 15:00:54,248 INFO L158 Benchmark]: Witness Printer took 110.80ms. Allocated memory is still 926.9MB. Free memory was 717.4MB in the beginning and 711.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 15:00:54,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 109.1MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.46ms. Allocated memory is still 144.7MB. Free memory was 109.9MB in the beginning and 72.8MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.27ms. Allocated memory is still 144.7MB. Free memory was 72.8MB in the beginning and 70.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.02ms. Allocated memory is still 144.7MB. Free memory was 70.2MB in the beginning and 66.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 869.49ms. Allocated memory is still 144.7MB. Free memory was 66.0MB in the beginning and 87.0MB in the end (delta: -21.0MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * TraceAbstraction took 44993.43ms. Allocated memory was 144.7MB in the beginning and 926.9MB in the end (delta: 782.2MB). Free memory was 86.5MB in the beginning and 717.4MB in the end (delta: -630.9MB). Peak memory consumption was 152.4MB. Max. memory is 16.1GB. * Witness Printer took 110.80ms. Allocated memory is still 926.9MB. Free memory was 717.4MB in the beginning and 711.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 44.9s, OverallIterations: 38, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 26.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3711 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3504 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3484 mSDsCounter, 585 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16109 IncrementalHoareTripleChecker+Invalid, 16694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 585 mSolverCounterUnsat, 109 mSDtfsCounter, 16109 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 651 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1914 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3199occurred in iteration=23, InterpolantAutomatonStates: 603, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 7147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 15:00:54,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE