./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:50:33,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:50:34,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:50:34,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:50:34,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:50:34,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:50:34,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:50:34,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:50:34,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:50:34,093 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:50:34,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:50:34,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:50:34,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:50:34,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:50:34,098 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:50:34,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:50:34,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:50:34,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:50:34,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:50:34,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:50:34,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:50:34,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:50:34,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:50:34,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:50:34,102 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:50:34,103 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:50:34,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:50:34,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:50:34,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:50:34,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:50:34,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:50:34,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:50:34,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:50:34,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:50:34,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:50:34,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:50:34,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:50:34,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:50:34,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:50:34,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:50:34,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:50:34,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:50:34,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:50:34,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:50:34,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e [2024-11-20 21:50:34,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:50:34,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:50:34,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:50:34,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:50:34,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:50:34,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-11-20 21:50:35,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:50:36,128 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:50:36,129 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-11-20 21:50:36,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bda17758/75e46a313b3e4486bd5b379bb67a454a/FLAGe0d961129 [2024-11-20 21:50:36,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bda17758/75e46a313b3e4486bd5b379bb67a454a [2024-11-20 21:50:36,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:50:36,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:50:36,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:50:36,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:50:36,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:50:36,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:36" (1/1) ... [2024-11-20 21:50:36,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e432780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:36, skipping insertion in model container [2024-11-20 21:50:36,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:36" (1/1) ... [2024-11-20 21:50:36,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:50:37,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:50:37,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:50:37,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:50:37,176 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:50:37,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37 WrapperNode [2024-11-20 21:50:37,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:50:37,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:50:37,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:50:37,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:50:37,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,250 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 144 [2024-11-20 21:50:37,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:50:37,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:50:37,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:50:37,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:50:37,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,308 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]. [2024-11-20 21:50:37,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:50:37,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:50:37,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:50:37,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:50:37,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (1/1) ... [2024-11-20 21:50:37,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:50:37,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:50:37,400 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) [2024-11-20 21:50:37,405 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 [2024-11-20 21:50:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-20 21:50:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-20 21:50:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:50:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:50:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 21:50:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:50:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:50:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:50:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:50:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:50:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:50:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 21:50:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:50:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:50:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:50:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:50:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:50:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:50:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:50:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:50:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:50:37,496 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 21:50:37,761 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:50:37,764 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:50:38,064 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:50:38,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:50:38,239 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:50:38,239 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:50:38,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:38 BoogieIcfgContainer [2024-11-20 21:50:38,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:50:38,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:50:38,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:50:38,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:50:38,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:50:36" (1/3) ... [2024-11-20 21:50:38,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24dc0176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:38, skipping insertion in model container [2024-11-20 21:50:38,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:37" (2/3) ... [2024-11-20 21:50:38,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24dc0176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:38, skipping insertion in model container [2024-11-20 21:50:38,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:38" (3/3) ... [2024-11-20 21:50:38,250 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2024-11-20 21:50:38,269 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:50:38,269 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 21:50:38,270 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:50:38,328 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 21:50:38,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2024-11-20 21:50:38,415 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-20 21:50:38,416 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 21:50:38,419 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. [2024-11-20 21:50:38,419 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2024-11-20 21:50:38,425 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2024-11-20 21:50:38,437 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:50:38,446 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;@3578642a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:50:38,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-20 21:50:38,457 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:50:38,458 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-20 21:50:38,458 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:50:38,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:38,459 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:38,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:38,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1341841268, now seen corresponding path program 1 times [2024-11-20 21:50:38,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:38,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630778893] [2024-11-20 21:50:38,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:38,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:39,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:39,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630778893] [2024-11-20 21:50:39,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630778893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:39,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:39,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:50:39,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91318559] [2024-11-20 21:50:39,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:39,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:50:39,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:39,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:50:39,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:50:39,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-20 21:50:39,534 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) [2024-11-20 21:50:39,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:39,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-20 21:50:39,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:40,127 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2024-11-20 21:50:40,128 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-20 21:50:40,134 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. [2024-11-20 21:50:40,145 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2024-11-20 21:50:40,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2024-11-20 21:50:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 21:50:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 21:50:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2024-11-20 21:50:40,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2024-11-20 21:50:40,165 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2024-11-20 21:50:40,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2024-11-20 21:50:40,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 21:50:40,175 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2024-11-20 21:50:40,181 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} [2024-11-20 21:50:40,186 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2024-11-20 21:50:40,187 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2024-11-20 21:50:40,187 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) [2024-11-20 21:50:40,187 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:40,188 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:40,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:50:40,188 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:40,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:40,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1669751059, now seen corresponding path program 1 times [2024-11-20 21:50:40,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:40,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27471793] [2024-11-20 21:50:40,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:40,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:40,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:40,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27471793] [2024-11-20 21:50:40,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27471793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:40,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:40,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:50:40,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099339248] [2024-11-20 21:50:40,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:40,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:50:40,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:40,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:50:40,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:50:40,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-20 21:50:40,667 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) [2024-11-20 21:50:40,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:40,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-20 21:50:40,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:41,095 INFO L124 PetriNetUnfolderBase]: 672/1245 cut-off events. [2024-11-20 21:50:41,096 INFO L125 PetriNetUnfolderBase]: For 467/467 co-relation queries the response was YES. [2024-11-20 21:50:41,099 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. [2024-11-20 21:50:41,104 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 25 changer transitions 5/97 dead transitions. [2024-11-20 21:50:41,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 97 transitions, 516 flow [2024-11-20 21:50:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 21:50:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 21:50:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2024-11-20 21:50:41,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-11-20 21:50:41,109 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 156 transitions. [2024-11-20 21:50:41,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 97 transitions, 516 flow [2024-11-20 21:50:41,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:50:41,118 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 316 flow [2024-11-20 21:50:41,119 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} [2024-11-20 21:50:41,120 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2024-11-20 21:50:41,120 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 316 flow [2024-11-20 21:50:41,121 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) [2024-11-20 21:50:41,121 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:41,121 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:41,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:50:41,122 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:41,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:41,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1308206955, now seen corresponding path program 1 times [2024-11-20 21:50:41,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:41,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773775187] [2024-11-20 21:50:41,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:41,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:41,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:41,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773775187] [2024-11-20 21:50:41,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773775187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:41,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:41,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:41,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13556965] [2024-11-20 21:50:41,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:41,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:41,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:41,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:41,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:41,735 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-20 21:50:41,736 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) [2024-11-20 21:50:41,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:41,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-20 21:50:41,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:42,495 INFO L124 PetriNetUnfolderBase]: 846/1560 cut-off events. [2024-11-20 21:50:42,496 INFO L125 PetriNetUnfolderBase]: For 1307/1307 co-relation queries the response was YES. [2024-11-20 21:50:42,499 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. [2024-11-20 21:50:42,506 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 81 selfloop transitions, 37 changer transitions 17/140 dead transitions. [2024-11-20 21:50:42,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 140 transitions, 915 flow [2024-11-20 21:50:42,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:50:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-20 21:50:42,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 184 transitions. [2024-11-20 21:50:42,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44019138755980863 [2024-11-20 21:50:42,509 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 316 flow. Second operand 11 states and 184 transitions. [2024-11-20 21:50:42,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 140 transitions, 915 flow [2024-11-20 21:50:42,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 140 transitions, 915 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 21:50:42,519 INFO L231 Difference]: Finished difference. Result has 75 places, 93 transitions, 660 flow [2024-11-20 21:50:42,520 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} [2024-11-20 21:50:42,520 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 36 predicate places. [2024-11-20 21:50:42,521 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 93 transitions, 660 flow [2024-11-20 21:50:42,521 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) [2024-11-20 21:50:42,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:42,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:42,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:50:42,522 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:42,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:42,522 INFO L85 PathProgramCache]: Analyzing trace with hash 764593993, now seen corresponding path program 2 times [2024-11-20 21:50:42,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:42,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857229930] [2024-11-20 21:50:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:42,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:43,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:43,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857229930] [2024-11-20 21:50:43,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857229930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:43,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:43,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:43,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731667995] [2024-11-20 21:50:43,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:43,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:43,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:43,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:43,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:43,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-20 21:50:43,067 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) [2024-11-20 21:50:43,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:43,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-20 21:50:43,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:43,795 INFO L124 PetriNetUnfolderBase]: 888/1620 cut-off events. [2024-11-20 21:50:43,795 INFO L125 PetriNetUnfolderBase]: For 3454/3454 co-relation queries the response was YES. [2024-11-20 21:50:43,800 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. [2024-11-20 21:50:43,807 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 55 changer transitions 13/163 dead transitions. [2024-11-20 21:50:43,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 163 transitions, 1317 flow [2024-11-20 21:50:43,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 21:50:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-20 21:50:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 223 transitions. [2024-11-20 21:50:43,810 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4191729323308271 [2024-11-20 21:50:43,810 INFO L175 Difference]: Start difference. First operand has 75 places, 93 transitions, 660 flow. Second operand 14 states and 223 transitions. [2024-11-20 21:50:43,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 163 transitions, 1317 flow [2024-11-20 21:50:43,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 163 transitions, 1269 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-11-20 21:50:43,836 INFO L231 Difference]: Finished difference. Result has 91 places, 110 transitions, 968 flow [2024-11-20 21:50:43,836 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} [2024-11-20 21:50:43,838 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 52 predicate places. [2024-11-20 21:50:43,839 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 110 transitions, 968 flow [2024-11-20 21:50:43,839 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) [2024-11-20 21:50:43,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:43,839 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:43,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:50:43,840 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:43,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:43,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1256486864, now seen corresponding path program 1 times [2024-11-20 21:50:43,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:43,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792500818] [2024-11-20 21:50:43,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:43,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:44,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:44,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792500818] [2024-11-20 21:50:44,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792500818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:44,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:44,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:44,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820008875] [2024-11-20 21:50:44,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:44,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:44,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:44,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:44,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:44,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-20 21:50:44,508 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) [2024-11-20 21:50:44,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:44,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-20 21:50:44,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:45,288 INFO L124 PetriNetUnfolderBase]: 1017/1882 cut-off events. [2024-11-20 21:50:45,289 INFO L125 PetriNetUnfolderBase]: For 6262/6274 co-relation queries the response was YES. [2024-11-20 21:50:45,297 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. [2024-11-20 21:50:45,308 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 105 selfloop transitions, 60 changer transitions 12/182 dead transitions. [2024-11-20 21:50:45,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 182 transitions, 1733 flow [2024-11-20 21:50:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 21:50:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-20 21:50:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2024-11-20 21:50:45,311 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4040247678018576 [2024-11-20 21:50:45,311 INFO L175 Difference]: Start difference. First operand has 91 places, 110 transitions, 968 flow. Second operand 17 states and 261 transitions. [2024-11-20 21:50:45,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 182 transitions, 1733 flow [2024-11-20 21:50:45,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 182 transitions, 1591 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-20 21:50:45,340 INFO L231 Difference]: Finished difference. Result has 106 places, 127 transitions, 1233 flow [2024-11-20 21:50:45,341 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} [2024-11-20 21:50:45,341 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 67 predicate places. [2024-11-20 21:50:45,342 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 127 transitions, 1233 flow [2024-11-20 21:50:45,342 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) [2024-11-20 21:50:45,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:45,342 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:45,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:50:45,342 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:45,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash 411275081, now seen corresponding path program 3 times [2024-11-20 21:50:45,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:45,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494375] [2024-11-20 21:50:45,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:45,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:45,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:45,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494375] [2024-11-20 21:50:45,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:45,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:45,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:45,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487530262] [2024-11-20 21:50:45,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:45,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:45,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:45,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:45,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:45,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-20 21:50:45,820 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) [2024-11-20 21:50:45,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:45,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-20 21:50:45,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:46,698 INFO L124 PetriNetUnfolderBase]: 948/1761 cut-off events. [2024-11-20 21:50:46,699 INFO L125 PetriNetUnfolderBase]: For 6881/6899 co-relation queries the response was YES. [2024-11-20 21:50:46,706 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. [2024-11-20 21:50:46,713 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 97 selfloop transitions, 82 changer transitions 18/202 dead transitions. [2024-11-20 21:50:46,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 202 transitions, 2002 flow [2024-11-20 21:50:46,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 21:50:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-20 21:50:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2024-11-20 21:50:46,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41640866873065013 [2024-11-20 21:50:46,716 INFO L175 Difference]: Start difference. First operand has 106 places, 127 transitions, 1233 flow. Second operand 17 states and 269 transitions. [2024-11-20 21:50:46,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 202 transitions, 2002 flow [2024-11-20 21:50:46,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 202 transitions, 1888 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-11-20 21:50:46,754 INFO L231 Difference]: Finished difference. Result has 118 places, 137 transitions, 1453 flow [2024-11-20 21:50:46,754 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} [2024-11-20 21:50:46,755 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-20 21:50:46,755 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 1453 flow [2024-11-20 21:50:46,755 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) [2024-11-20 21:50:46,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:46,755 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:46,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:50:46,756 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:46,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:46,757 INFO L85 PathProgramCache]: Analyzing trace with hash 411266720, now seen corresponding path program 2 times [2024-11-20 21:50:46,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:46,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510448716] [2024-11-20 21:50:46,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:46,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:47,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:47,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510448716] [2024-11-20 21:50:47,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510448716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:47,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:47,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:47,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019073139] [2024-11-20 21:50:47,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:47,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:47,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:47,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:47,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:47,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-20 21:50:47,399 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) [2024-11-20 21:50:47,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:47,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-20 21:50:47,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:48,408 INFO L124 PetriNetUnfolderBase]: 903/1694 cut-off events. [2024-11-20 21:50:48,408 INFO L125 PetriNetUnfolderBase]: For 8336/8368 co-relation queries the response was YES. [2024-11-20 21:50:48,416 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. [2024-11-20 21:50:48,425 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 84 changer transitions 15/194 dead transitions. [2024-11-20 21:50:48,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 194 transitions, 2047 flow [2024-11-20 21:50:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 21:50:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-20 21:50:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 307 transitions. [2024-11-20 21:50:48,427 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38471177944862156 [2024-11-20 21:50:48,427 INFO L175 Difference]: Start difference. First operand has 118 places, 137 transitions, 1453 flow. Second operand 21 states and 307 transitions. [2024-11-20 21:50:48,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 194 transitions, 2047 flow [2024-11-20 21:50:48,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1889 flow, removed 25 selfloop flow, removed 11 redundant places. [2024-11-20 21:50:48,472 INFO L231 Difference]: Finished difference. Result has 131 places, 138 transitions, 1515 flow [2024-11-20 21:50:48,473 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} [2024-11-20 21:50:48,474 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 92 predicate places. [2024-11-20 21:50:48,474 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 138 transitions, 1515 flow [2024-11-20 21:50:48,475 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) [2024-11-20 21:50:48,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:48,475 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:48,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 21:50:48,475 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:48,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:48,476 INFO L85 PathProgramCache]: Analyzing trace with hash 764585632, now seen corresponding path program 3 times [2024-11-20 21:50:48,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:48,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070117339] [2024-11-20 21:50:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:48,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:48,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:48,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070117339] [2024-11-20 21:50:48,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070117339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:48,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:48,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:48,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463653265] [2024-11-20 21:50:48,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:48,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:48,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:48,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:48,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:48,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-20 21:50:48,990 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) [2024-11-20 21:50:48,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:48,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-20 21:50:48,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:49,821 INFO L124 PetriNetUnfolderBase]: 882/1641 cut-off events. [2024-11-20 21:50:49,821 INFO L125 PetriNetUnfolderBase]: For 10061/10103 co-relation queries the response was YES. [2024-11-20 21:50:49,830 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. [2024-11-20 21:50:49,845 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 80 selfloop transitions, 94 changer transitions 15/194 dead transitions. [2024-11-20 21:50:49,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 194 transitions, 2121 flow [2024-11-20 21:50:49,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 21:50:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-20 21:50:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 281 transitions. [2024-11-20 21:50:49,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.389196675900277 [2024-11-20 21:50:49,847 INFO L175 Difference]: Start difference. First operand has 131 places, 138 transitions, 1515 flow. Second operand 19 states and 281 transitions. [2024-11-20 21:50:49,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 194 transitions, 2121 flow [2024-11-20 21:50:49,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1788 flow, removed 26 selfloop flow, removed 22 redundant places. [2024-11-20 21:50:49,895 INFO L231 Difference]: Finished difference. Result has 130 places, 141 transitions, 1443 flow [2024-11-20 21:50:49,895 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} [2024-11-20 21:50:49,896 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-11-20 21:50:49,896 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 141 transitions, 1443 flow [2024-11-20 21:50:49,897 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) [2024-11-20 21:50:49,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:49,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:49,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 21:50:49,897 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:49,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1844619444, now seen corresponding path program 1 times [2024-11-20 21:50:49,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:49,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570306833] [2024-11-20 21:50:49,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:49,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:49,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:49,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570306833] [2024-11-20 21:50:49,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570306833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:49,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:49,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:50:49,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436885362] [2024-11-20 21:50:49,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:49,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:50:49,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:49,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:50:49,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:50:49,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-11-20 21:50:49,977 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) [2024-11-20 21:50:49,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:49,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-11-20 21:50:49,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:50,183 INFO L124 PetriNetUnfolderBase]: 461/873 cut-off events. [2024-11-20 21:50:50,184 INFO L125 PetriNetUnfolderBase]: For 3753/3817 co-relation queries the response was YES. [2024-11-20 21:50:50,187 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. [2024-11-20 21:50:50,191 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 131 selfloop transitions, 18 changer transitions 6/161 dead transitions. [2024-11-20 21:50:50,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 161 transitions, 1796 flow [2024-11-20 21:50:50,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:50:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:50:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-11-20 21:50:50,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2024-11-20 21:50:50,193 INFO L175 Difference]: Start difference. First operand has 130 places, 141 transitions, 1443 flow. Second operand 4 states and 84 transitions. [2024-11-20 21:50:50,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 161 transitions, 1796 flow [2024-11-20 21:50:50,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 161 transitions, 1613 flow, removed 40 selfloop flow, removed 15 redundant places. [2024-11-20 21:50:50,217 INFO L231 Difference]: Finished difference. Result has 109 places, 109 transitions, 962 flow [2024-11-20 21:50:50,219 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} [2024-11-20 21:50:50,220 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 70 predicate places. [2024-11-20 21:50:50,220 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 109 transitions, 962 flow [2024-11-20 21:50:50,220 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) [2024-11-20 21:50:50,221 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:50,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:50,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 21:50:50,221 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:50,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:50,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1238178995, now seen corresponding path program 1 times [2024-11-20 21:50:50,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:50,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925764295] [2024-11-20 21:50:50,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:50,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:50,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:50,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925764295] [2024-11-20 21:50:50,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925764295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:50,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:50,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:50,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311113408] [2024-11-20 21:50:50,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:50,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:50,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:50,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:50,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:50,964 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:50:50,965 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) [2024-11-20 21:50:50,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:50,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:50:50,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:51,634 INFO L124 PetriNetUnfolderBase]: 603/1168 cut-off events. [2024-11-20 21:50:51,634 INFO L125 PetriNetUnfolderBase]: For 2973/2973 co-relation queries the response was YES. [2024-11-20 21:50:51,639 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. [2024-11-20 21:50:51,647 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 119 selfloop transitions, 45 changer transitions 0/166 dead transitions. [2024-11-20 21:50:51,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 166 transitions, 1487 flow [2024-11-20 21:50:51,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 21:50:51,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-20 21:50:51,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 202 transitions. [2024-11-20 21:50:51,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3543859649122807 [2024-11-20 21:50:51,651 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 962 flow. Second operand 15 states and 202 transitions. [2024-11-20 21:50:51,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 166 transitions, 1487 flow [2024-11-20 21:50:51,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 166 transitions, 1416 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-20 21:50:51,665 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 1077 flow [2024-11-20 21:50:51,667 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} [2024-11-20 21:50:51,668 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 83 predicate places. [2024-11-20 21:50:51,668 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 1077 flow [2024-11-20 21:50:51,668 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) [2024-11-20 21:50:51,668 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:51,669 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:51,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 21:50:51,669 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:51,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:51,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1246767164, now seen corresponding path program 1 times [2024-11-20 21:50:51,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:51,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571907384] [2024-11-20 21:50:51,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:51,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:52,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:52,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571907384] [2024-11-20 21:50:52,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571907384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:52,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:52,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:52,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536928249] [2024-11-20 21:50:52,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:52,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:52,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:52,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:52,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:52,251 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:50:52,252 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) [2024-11-20 21:50:52,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:52,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:50:52,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:52,837 INFO L124 PetriNetUnfolderBase]: 586/1141 cut-off events. [2024-11-20 21:50:52,837 INFO L125 PetriNetUnfolderBase]: For 2892/2892 co-relation queries the response was YES. [2024-11-20 21:50:52,842 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. [2024-11-20 21:50:52,849 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 107 selfloop transitions, 44 changer transitions 0/153 dead transitions. [2024-11-20 21:50:52,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 153 transitions, 1480 flow [2024-11-20 21:50:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 21:50:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-20 21:50:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 179 transitions. [2024-11-20 21:50:52,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2024-11-20 21:50:52,854 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 1077 flow. Second operand 14 states and 179 transitions. [2024-11-20 21:50:52,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 153 transitions, 1480 flow [2024-11-20 21:50:52,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 153 transitions, 1422 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-20 21:50:52,871 INFO L231 Difference]: Finished difference. Result has 130 places, 116 transitions, 1152 flow [2024-11-20 21:50:52,871 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} [2024-11-20 21:50:52,872 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-11-20 21:50:52,872 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 116 transitions, 1152 flow [2024-11-20 21:50:52,872 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) [2024-11-20 21:50:52,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:52,873 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:52,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 21:50:52,873 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:52,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:52,873 INFO L85 PathProgramCache]: Analyzing trace with hash -103437457, now seen corresponding path program 2 times [2024-11-20 21:50:52,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:52,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882799704] [2024-11-20 21:50:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:52,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:53,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:53,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:53,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882799704] [2024-11-20 21:50:53,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882799704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:53,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:53,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:53,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251010728] [2024-11-20 21:50:53,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:53,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:53,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:53,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:53,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:53,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:50:53,509 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) [2024-11-20 21:50:53,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:53,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:50:53,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:54,224 INFO L124 PetriNetUnfolderBase]: 665/1293 cut-off events. [2024-11-20 21:50:54,224 INFO L125 PetriNetUnfolderBase]: For 3735/3735 co-relation queries the response was YES. [2024-11-20 21:50:54,230 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. [2024-11-20 21:50:54,237 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 121 selfloop transitions, 56 changer transitions 0/179 dead transitions. [2024-11-20 21:50:54,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 179 transitions, 1737 flow [2024-11-20 21:50:54,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 21:50:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-20 21:50:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 230 transitions. [2024-11-20 21:50:54,240 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3362573099415205 [2024-11-20 21:50:54,240 INFO L175 Difference]: Start difference. First operand has 130 places, 116 transitions, 1152 flow. Second operand 18 states and 230 transitions. [2024-11-20 21:50:54,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 179 transitions, 1737 flow [2024-11-20 21:50:54,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 179 transitions, 1661 flow, removed 3 selfloop flow, removed 8 redundant places. [2024-11-20 21:50:54,260 INFO L231 Difference]: Finished difference. Result has 142 places, 126 transitions, 1337 flow [2024-11-20 21:50:54,260 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} [2024-11-20 21:50:54,263 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 103 predicate places. [2024-11-20 21:50:54,263 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 126 transitions, 1337 flow [2024-11-20 21:50:54,263 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) [2024-11-20 21:50:54,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:54,263 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:54,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 21:50:54,264 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:54,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:54,264 INFO L85 PathProgramCache]: Analyzing trace with hash 281270063, now seen corresponding path program 3 times [2024-11-20 21:50:54,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:54,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435476829] [2024-11-20 21:50:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:54,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:54,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:54,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435476829] [2024-11-20 21:50:54,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435476829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:54,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:54,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:54,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712880404] [2024-11-20 21:50:54,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:54,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:54,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:54,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:54,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:54,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:50:54,895 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) [2024-11-20 21:50:54,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:54,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:50:54,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:55,621 INFO L124 PetriNetUnfolderBase]: 746/1475 cut-off events. [2024-11-20 21:50:55,621 INFO L125 PetriNetUnfolderBase]: For 4929/4929 co-relation queries the response was YES. [2024-11-20 21:50:55,627 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. [2024-11-20 21:50:55,632 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 111 selfloop transitions, 82 changer transitions 0/195 dead transitions. [2024-11-20 21:50:55,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 195 transitions, 1913 flow [2024-11-20 21:50:55,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 21:50:55,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-20 21:50:55,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 276 transitions. [2024-11-20 21:50:55,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33014354066985646 [2024-11-20 21:50:55,634 INFO L175 Difference]: Start difference. First operand has 142 places, 126 transitions, 1337 flow. Second operand 22 states and 276 transitions. [2024-11-20 21:50:55,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 195 transitions, 1913 flow [2024-11-20 21:50:55,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 195 transitions, 1852 flow, removed 2 selfloop flow, removed 8 redundant places. [2024-11-20 21:50:55,657 INFO L231 Difference]: Finished difference. Result has 159 places, 129 transitions, 1555 flow [2024-11-20 21:50:55,658 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} [2024-11-20 21:50:55,658 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-11-20 21:50:55,658 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 129 transitions, 1555 flow [2024-11-20 21:50:55,659 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) [2024-11-20 21:50:55,659 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:55,659 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:55,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 21:50:55,659 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:55,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:55,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1156661969, now seen corresponding path program 4 times [2024-11-20 21:50:55,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:55,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850251395] [2024-11-20 21:50:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:55,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:56,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:56,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850251395] [2024-11-20 21:50:56,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850251395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:56,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:56,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:56,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097031436] [2024-11-20 21:50:56,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:56,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:56,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:56,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:56,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:56,290 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:50:56,291 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) [2024-11-20 21:50:56,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:56,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:50:56,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:56,982 INFO L124 PetriNetUnfolderBase]: 808/1595 cut-off events. [2024-11-20 21:50:56,983 INFO L125 PetriNetUnfolderBase]: For 7113/7113 co-relation queries the response was YES. [2024-11-20 21:50:56,990 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. [2024-11-20 21:50:56,997 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 118 selfloop transitions, 49 changer transitions 0/169 dead transitions. [2024-11-20 21:50:56,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 169 transitions, 2006 flow [2024-11-20 21:50:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 21:50:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-20 21:50:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 168 transitions. [2024-11-20 21:50:56,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.340080971659919 [2024-11-20 21:50:56,999 INFO L175 Difference]: Start difference. First operand has 159 places, 129 transitions, 1555 flow. Second operand 13 states and 168 transitions. [2024-11-20 21:50:56,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 169 transitions, 2006 flow [2024-11-20 21:50:57,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 169 transitions, 1896 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-20 21:50:57,029 INFO L231 Difference]: Finished difference. Result has 158 places, 131 transitions, 1607 flow [2024-11-20 21:50:57,029 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} [2024-11-20 21:50:57,030 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 119 predicate places. [2024-11-20 21:50:57,031 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 131 transitions, 1607 flow [2024-11-20 21:50:57,031 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) [2024-11-20 21:50:57,032 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:57,032 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:57,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 21:50:57,032 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:57,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:57,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2028751423, now seen corresponding path program 5 times [2024-11-20 21:50:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:57,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629794984] [2024-11-20 21:50:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:57,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:57,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629794984] [2024-11-20 21:50:57,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629794984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:57,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:57,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:57,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568670715] [2024-11-20 21:50:57,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:57,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:57,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:57,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:57,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:57,686 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:50:57,686 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) [2024-11-20 21:50:57,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:57,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:50:57,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:58,526 INFO L124 PetriNetUnfolderBase]: 889/1768 cut-off events. [2024-11-20 21:50:58,526 INFO L125 PetriNetUnfolderBase]: For 8495/8495 co-relation queries the response was YES. [2024-11-20 21:50:58,534 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. [2024-11-20 21:50:58,541 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 106 selfloop transitions, 86 changer transitions 0/194 dead transitions. [2024-11-20 21:50:58,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 194 transitions, 2181 flow [2024-11-20 21:50:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 21:50:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-20 21:50:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 254 transitions. [2024-11-20 21:50:58,544 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3182957393483709 [2024-11-20 21:50:58,544 INFO L175 Difference]: Start difference. First operand has 158 places, 131 transitions, 1607 flow. Second operand 21 states and 254 transitions. [2024-11-20 21:50:58,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 194 transitions, 2181 flow [2024-11-20 21:50:58,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 194 transitions, 2078 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-20 21:50:58,586 INFO L231 Difference]: Finished difference. Result has 172 places, 134 transitions, 1818 flow [2024-11-20 21:50:58,587 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} [2024-11-20 21:50:58,588 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2024-11-20 21:50:58,588 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 134 transitions, 1818 flow [2024-11-20 21:50:58,589 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) [2024-11-20 21:50:58,589 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:58,589 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:58,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 21:50:58,590 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:58,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:58,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1059649019, now seen corresponding path program 6 times [2024-11-20 21:50:58,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:58,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327529919] [2024-11-20 21:50:58,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:58,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:59,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:59,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327529919] [2024-11-20 21:50:59,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327529919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:59,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:59,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:59,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573376227] [2024-11-20 21:50:59,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:59,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:59,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:59,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:59,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:59,154 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:50:59,154 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) [2024-11-20 21:50:59,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:59,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:50:59,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:00,078 INFO L124 PetriNetUnfolderBase]: 970/1911 cut-off events. [2024-11-20 21:51:00,078 INFO L125 PetriNetUnfolderBase]: For 11797/11797 co-relation queries the response was YES. [2024-11-20 21:51:00,088 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. [2024-11-20 21:51:00,095 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 117 selfloop transitions, 105 changer transitions 0/224 dead transitions. [2024-11-20 21:51:00,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 224 transitions, 2766 flow [2024-11-20 21:51:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 21:51:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-20 21:51:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 260 transitions. [2024-11-20 21:51:00,098 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3258145363408521 [2024-11-20 21:51:00,098 INFO L175 Difference]: Start difference. First operand has 172 places, 134 transitions, 1818 flow. Second operand 21 states and 260 transitions. [2024-11-20 21:51:00,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 224 transitions, 2766 flow [2024-11-20 21:51:00,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 224 transitions, 2673 flow, removed 4 selfloop flow, removed 14 redundant places. [2024-11-20 21:51:00,150 INFO L231 Difference]: Finished difference. Result has 186 places, 149 transitions, 2291 flow [2024-11-20 21:51:00,150 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} [2024-11-20 21:51:00,150 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2024-11-20 21:51:00,150 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 149 transitions, 2291 flow [2024-11-20 21:51:00,151 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) [2024-11-20 21:51:00,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:00,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:00,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 21:51:00,151 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:00,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash 335774635, now seen corresponding path program 7 times [2024-11-20 21:51:00,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:00,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511406423] [2024-11-20 21:51:00,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:00,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:00,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:00,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511406423] [2024-11-20 21:51:00,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511406423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:00,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:00,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:00,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726249903] [2024-11-20 21:51:00,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:00,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:00,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:00,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:00,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:00,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:00,754 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) [2024-11-20 21:51:00,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:00,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:00,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:01,450 INFO L124 PetriNetUnfolderBase]: 1046/2087 cut-off events. [2024-11-20 21:51:01,451 INFO L125 PetriNetUnfolderBase]: For 17761/17761 co-relation queries the response was YES. [2024-11-20 21:51:01,464 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. [2024-11-20 21:51:01,474 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 130 selfloop transitions, 75 changer transitions 0/207 dead transitions. [2024-11-20 21:51:01,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 207 transitions, 3008 flow [2024-11-20 21:51:01,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 21:51:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-20 21:51:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 204 transitions. [2024-11-20 21:51:01,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3355263157894737 [2024-11-20 21:51:01,476 INFO L175 Difference]: Start difference. First operand has 186 places, 149 transitions, 2291 flow. Second operand 16 states and 204 transitions. [2024-11-20 21:51:01,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 207 transitions, 3008 flow [2024-11-20 21:51:01,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 207 transitions, 2862 flow, removed 27 selfloop flow, removed 12 redundant places. [2024-11-20 21:51:01,580 INFO L231 Difference]: Finished difference. Result has 192 places, 155 transitions, 2509 flow [2024-11-20 21:51:01,581 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} [2024-11-20 21:51:01,581 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 153 predicate places. [2024-11-20 21:51:01,581 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 155 transitions, 2509 flow [2024-11-20 21:51:01,581 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) [2024-11-20 21:51:01,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:01,583 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:01,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 21:51:01,583 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:01,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:01,584 INFO L85 PathProgramCache]: Analyzing trace with hash 327186466, now seen corresponding path program 2 times [2024-11-20 21:51:01,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:01,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710229657] [2024-11-20 21:51:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:01,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:02,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:02,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710229657] [2024-11-20 21:51:02,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710229657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:02,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:02,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:02,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219326884] [2024-11-20 21:51:02,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:02,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:02,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:02,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:02,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:02,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:02,137 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) [2024-11-20 21:51:02,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:02,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:02,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:02,804 INFO L124 PetriNetUnfolderBase]: 1112/2219 cut-off events. [2024-11-20 21:51:02,804 INFO L125 PetriNetUnfolderBase]: For 19786/19790 co-relation queries the response was YES. [2024-11-20 21:51:02,820 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. [2024-11-20 21:51:02,830 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 139 selfloop transitions, 57 changer transitions 0/198 dead transitions. [2024-11-20 21:51:02,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 198 transitions, 3068 flow [2024-11-20 21:51:02,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 21:51:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-20 21:51:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2024-11-20 21:51:02,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3298245614035088 [2024-11-20 21:51:02,834 INFO L175 Difference]: Start difference. First operand has 192 places, 155 transitions, 2509 flow. Second operand 15 states and 188 transitions. [2024-11-20 21:51:02,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 198 transitions, 3068 flow [2024-11-20 21:51:03,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 198 transitions, 2975 flow, removed 1 selfloop flow, removed 11 redundant places. [2024-11-20 21:51:03,012 INFO L231 Difference]: Finished difference. Result has 198 places, 160 transitions, 2635 flow [2024-11-20 21:51:03,012 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} [2024-11-20 21:51:03,013 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2024-11-20 21:51:03,013 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 160 transitions, 2635 flow [2024-11-20 21:51:03,013 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) [2024-11-20 21:51:03,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:03,014 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:03,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 21:51:03,014 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:03,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:03,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1611612988, now seen corresponding path program 3 times [2024-11-20 21:51:03,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:03,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34359509] [2024-11-20 21:51:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:03,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:03,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:03,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:03,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34359509] [2024-11-20 21:51:03,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34359509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:03,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:03,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:03,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558303687] [2024-11-20 21:51:03,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:03,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:03,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:03,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:03,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:03,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:03,600 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) [2024-11-20 21:51:03,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:03,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:03,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:04,200 INFO L124 PetriNetUnfolderBase]: 1168/2335 cut-off events. [2024-11-20 21:51:04,200 INFO L125 PetriNetUnfolderBase]: For 20867/20871 co-relation queries the response was YES. [2024-11-20 21:51:04,209 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. [2024-11-20 21:51:04,217 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 134 selfloop transitions, 62 changer transitions 0/198 dead transitions. [2024-11-20 21:51:04,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 198 transitions, 3142 flow [2024-11-20 21:51:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 21:51:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-20 21:51:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 180 transitions. [2024-11-20 21:51:04,218 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-11-20 21:51:04,218 INFO L175 Difference]: Start difference. First operand has 198 places, 160 transitions, 2635 flow. Second operand 15 states and 180 transitions. [2024-11-20 21:51:04,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 198 transitions, 3142 flow [2024-11-20 21:51:04,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 198 transitions, 3076 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-20 21:51:04,329 INFO L231 Difference]: Finished difference. Result has 209 places, 162 transitions, 2751 flow [2024-11-20 21:51:04,330 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} [2024-11-20 21:51:04,331 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 170 predicate places. [2024-11-20 21:51:04,331 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 162 transitions, 2751 flow [2024-11-20 21:51:04,331 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) [2024-11-20 21:51:04,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:04,332 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:04,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 21:51:04,332 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:04,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:04,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1758300028, now seen corresponding path program 4 times [2024-11-20 21:51:04,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:04,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972039338] [2024-11-20 21:51:04,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:04,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:04,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:04,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972039338] [2024-11-20 21:51:04,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972039338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:04,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:04,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:04,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105008377] [2024-11-20 21:51:04,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:04,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:04,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:04,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:04,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:04,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:04,874 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) [2024-11-20 21:51:04,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:04,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:04,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:05,517 INFO L124 PetriNetUnfolderBase]: 1224/2451 cut-off events. [2024-11-20 21:51:05,517 INFO L125 PetriNetUnfolderBase]: For 22953/22957 co-relation queries the response was YES. [2024-11-20 21:51:05,528 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. [2024-11-20 21:51:05,537 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 135 selfloop transitions, 62 changer transitions 0/199 dead transitions. [2024-11-20 21:51:05,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 199 transitions, 3270 flow [2024-11-20 21:51:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 21:51:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-20 21:51:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2024-11-20 21:51:05,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31954887218045114 [2024-11-20 21:51:05,541 INFO L175 Difference]: Start difference. First operand has 209 places, 162 transitions, 2751 flow. Second operand 14 states and 170 transitions. [2024-11-20 21:51:05,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 199 transitions, 3270 flow [2024-11-20 21:51:05,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 199 transitions, 3139 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-20 21:51:05,656 INFO L231 Difference]: Finished difference. Result has 213 places, 164 transitions, 2795 flow [2024-11-20 21:51:05,657 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} [2024-11-20 21:51:05,657 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 174 predicate places. [2024-11-20 21:51:05,657 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 164 transitions, 2795 flow [2024-11-20 21:51:05,658 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) [2024-11-20 21:51:05,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:05,658 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:05,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 21:51:05,658 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:05,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:05,659 INFO L85 PathProgramCache]: Analyzing trace with hash 98716587, now seen corresponding path program 8 times [2024-11-20 21:51:05,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:05,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691156288] [2024-11-20 21:51:05,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:05,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:06,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:06,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691156288] [2024-11-20 21:51:06,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691156288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:06,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:06,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:06,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404573552] [2024-11-20 21:51:06,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:06,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:06,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:06,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:06,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:06,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:06,301 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) [2024-11-20 21:51:06,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:06,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:06,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:07,279 INFO L124 PetriNetUnfolderBase]: 1286/2583 cut-off events. [2024-11-20 21:51:07,279 INFO L125 PetriNetUnfolderBase]: For 24838/24842 co-relation queries the response was YES. [2024-11-20 21:51:07,292 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. [2024-11-20 21:51:07,302 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 145 selfloop transitions, 83 changer transitions 0/230 dead transitions. [2024-11-20 21:51:07,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 230 transitions, 3497 flow [2024-11-20 21:51:07,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 21:51:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-20 21:51:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 248 transitions. [2024-11-20 21:51:07,304 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34349030470914127 [2024-11-20 21:51:07,304 INFO L175 Difference]: Start difference. First operand has 213 places, 164 transitions, 2795 flow. Second operand 19 states and 248 transitions. [2024-11-20 21:51:07,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 230 transitions, 3497 flow [2024-11-20 21:51:07,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 230 transitions, 3368 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-11-20 21:51:07,453 INFO L231 Difference]: Finished difference. Result has 224 places, 167 transitions, 2974 flow [2024-11-20 21:51:07,454 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} [2024-11-20 21:51:07,454 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 185 predicate places. [2024-11-20 21:51:07,454 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 167 transitions, 2974 flow [2024-11-20 21:51:07,455 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) [2024-11-20 21:51:07,455 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:07,455 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:07,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 21:51:07,455 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:07,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:07,456 INFO L85 PathProgramCache]: Analyzing trace with hash 90128418, now seen corresponding path program 5 times [2024-11-20 21:51:07,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:07,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726477287] [2024-11-20 21:51:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:08,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:08,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726477287] [2024-11-20 21:51:08,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726477287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:08,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:08,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:08,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374129963] [2024-11-20 21:51:08,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:08,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:08,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:08,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:08,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:08,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:08,113 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) [2024-11-20 21:51:08,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:08,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:08,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:08,815 INFO L124 PetriNetUnfolderBase]: 1269/2554 cut-off events. [2024-11-20 21:51:08,815 INFO L125 PetriNetUnfolderBase]: For 27370/27374 co-relation queries the response was YES. [2024-11-20 21:51:08,827 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. [2024-11-20 21:51:08,834 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 147 selfloop transitions, 57 changer transitions 0/206 dead transitions. [2024-11-20 21:51:08,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 206 transitions, 3469 flow [2024-11-20 21:51:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 21:51:08,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-20 21:51:08,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2024-11-20 21:51:08,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-20 21:51:08,835 INFO L175 Difference]: Start difference. First operand has 224 places, 167 transitions, 2974 flow. Second operand 15 states and 190 transitions. [2024-11-20 21:51:08,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 206 transitions, 3469 flow [2024-11-20 21:51:08,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 206 transitions, 3354 flow, removed 7 selfloop flow, removed 17 redundant places. [2024-11-20 21:51:08,931 INFO L231 Difference]: Finished difference. Result has 220 places, 166 transitions, 2959 flow [2024-11-20 21:51:08,931 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} [2024-11-20 21:51:08,931 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-11-20 21:51:08,931 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 166 transitions, 2959 flow [2024-11-20 21:51:08,932 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) [2024-11-20 21:51:08,932 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:08,932 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:08,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 21:51:08,932 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:08,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:08,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1233458125, now seen corresponding path program 9 times [2024-11-20 21:51:08,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:08,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271790303] [2024-11-20 21:51:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:08,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:09,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:09,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271790303] [2024-11-20 21:51:09,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271790303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:09,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:09,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:09,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025354365] [2024-11-20 21:51:09,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:09,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:09,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:09,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:09,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:09,473 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:09,473 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) [2024-11-20 21:51:09,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:09,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:09,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:10,236 INFO L124 PetriNetUnfolderBase]: 1331/2684 cut-off events. [2024-11-20 21:51:10,236 INFO L125 PetriNetUnfolderBase]: For 28559/28563 co-relation queries the response was YES. [2024-11-20 21:51:10,249 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. [2024-11-20 21:51:10,257 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 134 selfloop transitions, 89 changer transitions 0/225 dead transitions. [2024-11-20 21:51:10,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 225 transitions, 3647 flow [2024-11-20 21:51:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 21:51:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-20 21:51:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 226 transitions. [2024-11-20 21:51:10,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3304093567251462 [2024-11-20 21:51:10,259 INFO L175 Difference]: Start difference. First operand has 220 places, 166 transitions, 2959 flow. Second operand 18 states and 226 transitions. [2024-11-20 21:51:10,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 225 transitions, 3647 flow [2024-11-20 21:51:10,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 225 transitions, 3551 flow, removed 7 selfloop flow, removed 13 redundant places. [2024-11-20 21:51:10,375 INFO L231 Difference]: Finished difference. Result has 227 places, 169 transitions, 3199 flow [2024-11-20 21:51:10,376 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} [2024-11-20 21:51:10,376 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 188 predicate places. [2024-11-20 21:51:10,376 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 169 transitions, 3199 flow [2024-11-20 21:51:10,376 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) [2024-11-20 21:51:10,377 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:10,377 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:10,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 21:51:10,377 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:10,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:10,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1618165645, now seen corresponding path program 10 times [2024-11-20 21:51:10,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:10,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405830655] [2024-11-20 21:51:10,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:10,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:10,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:10,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405830655] [2024-11-20 21:51:10,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405830655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:10,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:10,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:10,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779107694] [2024-11-20 21:51:10,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:10,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:10,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:10,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:10,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:10,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:10,932 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) [2024-11-20 21:51:10,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:10,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:10,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:11,746 INFO L124 PetriNetUnfolderBase]: 1312/2651 cut-off events. [2024-11-20 21:51:11,747 INFO L125 PetriNetUnfolderBase]: For 31588/31592 co-relation queries the response was YES. [2024-11-20 21:51:11,761 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. [2024-11-20 21:51:11,769 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 137 selfloop transitions, 96 changer transitions 0/235 dead transitions. [2024-11-20 21:51:11,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 235 transitions, 3814 flow [2024-11-20 21:51:11,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 21:51:11,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-20 21:51:11,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 245 transitions. [2024-11-20 21:51:11,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33933518005540164 [2024-11-20 21:51:11,771 INFO L175 Difference]: Start difference. First operand has 227 places, 169 transitions, 3199 flow. Second operand 19 states and 245 transitions. [2024-11-20 21:51:11,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 235 transitions, 3814 flow [2024-11-20 21:51:11,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 235 transitions, 3505 flow, removed 15 selfloop flow, removed 24 redundant places. [2024-11-20 21:51:11,885 INFO L231 Difference]: Finished difference. Result has 220 places, 168 transitions, 3060 flow [2024-11-20 21:51:11,885 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} [2024-11-20 21:51:11,885 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-11-20 21:51:11,885 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 168 transitions, 3060 flow [2024-11-20 21:51:11,886 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) [2024-11-20 21:51:11,886 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:11,886 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:11,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 21:51:11,886 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:11,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:11,886 INFO L85 PathProgramCache]: Analyzing trace with hash 271157345, now seen corresponding path program 1 times [2024-11-20 21:51:11,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:11,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630820410] [2024-11-20 21:51:11,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:11,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:12,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:12,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630820410] [2024-11-20 21:51:12,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630820410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:12,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:12,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:12,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149586468] [2024-11-20 21:51:12,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:12,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:12,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:12,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:12,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:12,427 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:12,427 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) [2024-11-20 21:51:12,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:12,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:12,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:13,094 INFO L124 PetriNetUnfolderBase]: 1293/2608 cut-off events. [2024-11-20 21:51:13,094 INFO L125 PetriNetUnfolderBase]: For 27996/28000 co-relation queries the response was YES. [2024-11-20 21:51:13,106 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. [2024-11-20 21:51:13,113 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 131 selfloop transitions, 47 changer transitions 25/205 dead transitions. [2024-11-20 21:51:13,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 205 transitions, 3496 flow [2024-11-20 21:51:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 21:51:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-20 21:51:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 180 transitions. [2024-11-20 21:51:13,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3383458646616541 [2024-11-20 21:51:13,115 INFO L175 Difference]: Start difference. First operand has 220 places, 168 transitions, 3060 flow. Second operand 14 states and 180 transitions. [2024-11-20 21:51:13,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 205 transitions, 3496 flow [2024-11-20 21:51:13,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 205 transitions, 3325 flow, removed 6 selfloop flow, removed 16 redundant places. [2024-11-20 21:51:13,198 INFO L231 Difference]: Finished difference. Result has 217 places, 160 transitions, 2788 flow [2024-11-20 21:51:13,198 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} [2024-11-20 21:51:13,199 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 178 predicate places. [2024-11-20 21:51:13,199 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 160 transitions, 2788 flow [2024-11-20 21:51:13,199 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) [2024-11-20 21:51:13,199 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:13,200 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:13,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 21:51:13,200 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:13,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:13,200 INFO L85 PathProgramCache]: Analyzing trace with hash 4924115, now seen corresponding path program 1 times [2024-11-20 21:51:13,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:13,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394630322] [2024-11-20 21:51:13,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:13,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:13,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:13,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394630322] [2024-11-20 21:51:13,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394630322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:13,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:13,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:13,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043116777] [2024-11-20 21:51:13,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:13,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:13,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:13,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:13,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:13,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:13,688 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) [2024-11-20 21:51:13,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:13,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:13,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:14,294 INFO L124 PetriNetUnfolderBase]: 1223/2474 cut-off events. [2024-11-20 21:51:14,294 INFO L125 PetriNetUnfolderBase]: For 24531/24535 co-relation queries the response was YES. [2024-11-20 21:51:14,308 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. [2024-11-20 21:51:14,317 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 121 selfloop transitions, 57 changer transitions 26/206 dead transitions. [2024-11-20 21:51:14,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 206 transitions, 3375 flow [2024-11-20 21:51:14,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 21:51:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-20 21:51:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 216 transitions. [2024-11-20 21:51:14,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-11-20 21:51:14,319 INFO L175 Difference]: Start difference. First operand has 217 places, 160 transitions, 2788 flow. Second operand 18 states and 216 transitions. [2024-11-20 21:51:14,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 206 transitions, 3375 flow [2024-11-20 21:51:14,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 206 transitions, 3175 flow, removed 11 selfloop flow, removed 14 redundant places. [2024-11-20 21:51:14,400 INFO L231 Difference]: Finished difference. Result has 214 places, 152 transitions, 2592 flow [2024-11-20 21:51:14,401 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} [2024-11-20 21:51:14,401 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 175 predicate places. [2024-11-20 21:51:14,401 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 152 transitions, 2592 flow [2024-11-20 21:51:14,401 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) [2024-11-20 21:51:14,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:14,401 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:14,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 21:51:14,402 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:14,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1433386435, now seen corresponding path program 2 times [2024-11-20 21:51:14,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:14,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220887453] [2024-11-20 21:51:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:14,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:14,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:14,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220887453] [2024-11-20 21:51:14,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220887453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:14,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:14,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:14,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645985956] [2024-11-20 21:51:14,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:14,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:14,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:14,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:14,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:14,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:14,934 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) [2024-11-20 21:51:14,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:14,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:14,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:15,537 INFO L124 PetriNetUnfolderBase]: 1127/2286 cut-off events. [2024-11-20 21:51:15,538 INFO L125 PetriNetUnfolderBase]: For 20169/20173 co-relation queries the response was YES. [2024-11-20 21:51:15,546 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. [2024-11-20 21:51:15,552 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 122 selfloop transitions, 37 changer transitions 25/186 dead transitions. [2024-11-20 21:51:15,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 186 transitions, 2988 flow [2024-11-20 21:51:15,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 21:51:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-20 21:51:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 182 transitions. [2024-11-20 21:51:15,553 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3192982456140351 [2024-11-20 21:51:15,553 INFO L175 Difference]: Start difference. First operand has 214 places, 152 transitions, 2592 flow. Second operand 15 states and 182 transitions. [2024-11-20 21:51:15,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 186 transitions, 2988 flow [2024-11-20 21:51:15,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 186 transitions, 2734 flow, removed 11 selfloop flow, removed 27 redundant places. [2024-11-20 21:51:15,612 INFO L231 Difference]: Finished difference. Result has 190 places, 144 transitions, 2279 flow [2024-11-20 21:51:15,612 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} [2024-11-20 21:51:15,613 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 151 predicate places. [2024-11-20 21:51:15,613 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 144 transitions, 2279 flow [2024-11-20 21:51:15,613 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) [2024-11-20 21:51:15,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:15,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:15,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-20 21:51:15,613 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:15,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:15,614 INFO L85 PathProgramCache]: Analyzing trace with hash 129437887, now seen corresponding path program 3 times [2024-11-20 21:51:15,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:15,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028258848] [2024-11-20 21:51:15,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:16,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:16,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028258848] [2024-11-20 21:51:16,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028258848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:16,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:16,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:16,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96620856] [2024-11-20 21:51:16,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:16,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:16,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:16,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:16,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:16,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:16,043 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) [2024-11-20 21:51:16,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:16,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:16,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:16,630 INFO L124 PetriNetUnfolderBase]: 1051/2144 cut-off events. [2024-11-20 21:51:16,630 INFO L125 PetriNetUnfolderBase]: For 17449/17453 co-relation queries the response was YES. [2024-11-20 21:51:16,638 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. [2024-11-20 21:51:16,643 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 96 selfloop transitions, 60 changer transitions 30/188 dead transitions. [2024-11-20 21:51:16,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 188 transitions, 2707 flow [2024-11-20 21:51:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 21:51:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-20 21:51:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 220 transitions. [2024-11-20 21:51:16,644 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3216374269005848 [2024-11-20 21:51:16,644 INFO L175 Difference]: Start difference. First operand has 190 places, 144 transitions, 2279 flow. Second operand 18 states and 220 transitions. [2024-11-20 21:51:16,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 188 transitions, 2707 flow [2024-11-20 21:51:16,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 188 transitions, 2560 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-11-20 21:51:16,694 INFO L231 Difference]: Finished difference. Result has 187 places, 133 transitions, 2070 flow [2024-11-20 21:51:16,694 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} [2024-11-20 21:51:16,694 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2024-11-20 21:51:16,694 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 133 transitions, 2070 flow [2024-11-20 21:51:16,695 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) [2024-11-20 21:51:16,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:16,695 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:16,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-20 21:51:16,695 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:16,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:16,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1533214801, now seen corresponding path program 4 times [2024-11-20 21:51:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:16,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832847386] [2024-11-20 21:51:16,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:17,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:17,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832847386] [2024-11-20 21:51:17,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832847386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:17,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:17,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:17,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725857682] [2024-11-20 21:51:17,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:17,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:17,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:17,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:17,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:17,143 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:17,143 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) [2024-11-20 21:51:17,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:17,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:17,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:17,784 INFO L124 PetriNetUnfolderBase]: 959/1956 cut-off events. [2024-11-20 21:51:17,784 INFO L125 PetriNetUnfolderBase]: For 15715/15719 co-relation queries the response was YES. [2024-11-20 21:51:17,791 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. [2024-11-20 21:51:17,795 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 100 selfloop transitions, 62 changer transitions 15/179 dead transitions. [2024-11-20 21:51:17,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 179 transitions, 2491 flow [2024-11-20 21:51:17,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 21:51:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-20 21:51:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 227 transitions. [2024-11-20 21:51:17,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.314404432132964 [2024-11-20 21:51:17,797 INFO L175 Difference]: Start difference. First operand has 187 places, 133 transitions, 2070 flow. Second operand 19 states and 227 transitions. [2024-11-20 21:51:17,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 179 transitions, 2491 flow [2024-11-20 21:51:17,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 179 transitions, 2208 flow, removed 12 selfloop flow, removed 23 redundant places. [2024-11-20 21:51:17,838 INFO L231 Difference]: Finished difference. Result has 176 places, 127 transitions, 1813 flow [2024-11-20 21:51:17,838 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} [2024-11-20 21:51:17,838 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2024-11-20 21:51:17,839 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 127 transitions, 1813 flow [2024-11-20 21:51:17,839 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) [2024-11-20 21:51:17,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:17,839 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:17,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-20 21:51:17,839 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:17,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:17,839 INFO L85 PathProgramCache]: Analyzing trace with hash -241778473, now seen corresponding path program 5 times [2024-11-20 21:51:17,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:17,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673508827] [2024-11-20 21:51:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:18,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:18,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673508827] [2024-11-20 21:51:18,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673508827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:18,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:18,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:18,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494872816] [2024-11-20 21:51:18,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:18,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:18,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:18,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:18,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:18,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:18,297 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) [2024-11-20 21:51:18,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:18,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:18,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:18,828 INFO L124 PetriNetUnfolderBase]: 874/1779 cut-off events. [2024-11-20 21:51:18,828 INFO L125 PetriNetUnfolderBase]: For 11979/11983 co-relation queries the response was YES. [2024-11-20 21:51:18,834 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. [2024-11-20 21:51:18,838 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 100 selfloop transitions, 25 changer transitions 29/156 dead transitions. [2024-11-20 21:51:18,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 156 transitions, 2147 flow [2024-11-20 21:51:18,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 21:51:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-20 21:51:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 149 transitions. [2024-11-20 21:51:18,839 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3267543859649123 [2024-11-20 21:51:18,839 INFO L175 Difference]: Start difference. First operand has 176 places, 127 transitions, 1813 flow. Second operand 12 states and 149 transitions. [2024-11-20 21:51:18,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 156 transitions, 2147 flow [2024-11-20 21:51:18,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 156 transitions, 1921 flow, removed 0 selfloop flow, removed 23 redundant places. [2024-11-20 21:51:18,871 INFO L231 Difference]: Finished difference. Result has 163 places, 117 transitions, 1527 flow [2024-11-20 21:51:18,872 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} [2024-11-20 21:51:18,872 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 124 predicate places. [2024-11-20 21:51:18,872 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 117 transitions, 1527 flow [2024-11-20 21:51:18,873 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) [2024-11-20 21:51:18,873 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:18,873 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:18,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-20 21:51:18,873 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:18,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:18,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1510618253, now seen corresponding path program 6 times [2024-11-20 21:51:18,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:18,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056770383] [2024-11-20 21:51:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:18,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:19,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:19,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:19,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056770383] [2024-11-20 21:51:19,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056770383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:19,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:19,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:19,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593086947] [2024-11-20 21:51:19,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:19,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:19,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:19,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:19,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:19,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:19,287 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) [2024-11-20 21:51:19,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:19,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:19,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:19,794 INFO L124 PetriNetUnfolderBase]: 798/1630 cut-off events. [2024-11-20 21:51:19,794 INFO L125 PetriNetUnfolderBase]: For 9518/9522 co-relation queries the response was YES. [2024-11-20 21:51:19,799 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. [2024-11-20 21:51:19,803 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 75 selfloop transitions, 58 changer transitions 36/171 dead transitions. [2024-11-20 21:51:19,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 171 transitions, 2010 flow [2024-11-20 21:51:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 21:51:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-20 21:51:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 230 transitions. [2024-11-20 21:51:19,805 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3185595567867036 [2024-11-20 21:51:19,805 INFO L175 Difference]: Start difference. First operand has 163 places, 117 transitions, 1527 flow. Second operand 19 states and 230 transitions. [2024-11-20 21:51:19,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 171 transitions, 2010 flow [2024-11-20 21:51:19,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 171 transitions, 1909 flow, removed 1 selfloop flow, removed 10 redundant places. [2024-11-20 21:51:19,858 INFO L231 Difference]: Finished difference. Result has 159 places, 106 transitions, 1443 flow [2024-11-20 21:51:19,858 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} [2024-11-20 21:51:19,858 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-11-20 21:51:19,858 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 106 transitions, 1443 flow [2024-11-20 21:51:19,859 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) [2024-11-20 21:51:19,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:19,859 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:19,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-20 21:51:19,859 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:19,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:19,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1552846389, now seen corresponding path program 2 times [2024-11-20 21:51:19,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:19,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294873726] [2024-11-20 21:51:19,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:19,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:20,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:20,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294873726] [2024-11-20 21:51:20,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294873726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:20,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:20,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:20,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125492273] [2024-11-20 21:51:20,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:20,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:20,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:20,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:20,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:20,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:20,243 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) [2024-11-20 21:51:20,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:20,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:20,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:20,791 INFO L124 PetriNetUnfolderBase]: 710/1449 cut-off events. [2024-11-20 21:51:20,791 INFO L125 PetriNetUnfolderBase]: For 9128/9132 co-relation queries the response was YES. [2024-11-20 21:51:20,795 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. [2024-11-20 21:51:20,799 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 74 selfloop transitions, 50 changer transitions 21/147 dead transitions. [2024-11-20 21:51:20,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 147 transitions, 1819 flow [2024-11-20 21:51:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 21:51:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-20 21:51:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 226 transitions. [2024-11-20 21:51:20,800 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29736842105263156 [2024-11-20 21:51:20,800 INFO L175 Difference]: Start difference. First operand has 159 places, 106 transitions, 1443 flow. Second operand 20 states and 226 transitions. [2024-11-20 21:51:20,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 147 transitions, 1819 flow [2024-11-20 21:51:20,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 147 transitions, 1469 flow, removed 12 selfloop flow, removed 28 redundant places. [2024-11-20 21:51:20,823 INFO L231 Difference]: Finished difference. Result has 143 places, 97 transitions, 1081 flow [2024-11-20 21:51:20,823 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} [2024-11-20 21:51:20,823 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2024-11-20 21:51:20,823 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 97 transitions, 1081 flow [2024-11-20 21:51:20,824 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) [2024-11-20 21:51:20,824 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:20,824 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:20,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-20 21:51:20,824 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:20,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:20,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1234752573, now seen corresponding path program 7 times [2024-11-20 21:51:20,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:20,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341590409] [2024-11-20 21:51:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:20,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:21,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:21,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341590409] [2024-11-20 21:51:21,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341590409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:21,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:21,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:21,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294514396] [2024-11-20 21:51:21,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:21,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:21,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:21,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:21,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:21,391 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) [2024-11-20 21:51:21,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:21,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:21,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:21,941 INFO L124 PetriNetUnfolderBase]: 626/1281 cut-off events. [2024-11-20 21:51:21,942 INFO L125 PetriNetUnfolderBase]: For 4884/4884 co-relation queries the response was YES. [2024-11-20 21:51:21,945 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. [2024-11-20 21:51:21,947 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 76 selfloop transitions, 41 changer transitions 24/143 dead transitions. [2024-11-20 21:51:21,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 1436 flow [2024-11-20 21:51:21,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 21:51:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-20 21:51:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 215 transitions. [2024-11-20 21:51:21,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31432748538011696 [2024-11-20 21:51:21,949 INFO L175 Difference]: Start difference. First operand has 143 places, 97 transitions, 1081 flow. Second operand 18 states and 215 transitions. [2024-11-20 21:51:21,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 1436 flow [2024-11-20 21:51:21,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 143 transitions, 1293 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-11-20 21:51:21,963 INFO L231 Difference]: Finished difference. Result has 134 places, 88 transitions, 878 flow [2024-11-20 21:51:21,964 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} [2024-11-20 21:51:21,964 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2024-11-20 21:51:21,964 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 88 transitions, 878 flow [2024-11-20 21:51:21,964 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) [2024-11-20 21:51:21,964 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:21,964 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:21,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-20 21:51:21,965 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:21,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:21,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1819079619, now seen corresponding path program 8 times [2024-11-20 21:51:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:21,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953534854] [2024-11-20 21:51:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:22,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:22,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953534854] [2024-11-20 21:51:22,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953534854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:22,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:22,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:22,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673406615] [2024-11-20 21:51:22,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:22,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:22,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:22,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:22,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:22,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:22,441 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) [2024-11-20 21:51:22,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:22,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:22,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:22,841 INFO L124 PetriNetUnfolderBase]: 538/1101 cut-off events. [2024-11-20 21:51:22,841 INFO L125 PetriNetUnfolderBase]: For 3669/3677 co-relation queries the response was YES. [2024-11-20 21:51:22,844 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. [2024-11-20 21:51:22,846 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 61 selfloop transitions, 28 changer transitions 35/126 dead transitions. [2024-11-20 21:51:22,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 126 transitions, 1178 flow [2024-11-20 21:51:22,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 21:51:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-20 21:51:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-11-20 21:51:22,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.312280701754386 [2024-11-20 21:51:22,847 INFO L175 Difference]: Start difference. First operand has 134 places, 88 transitions, 878 flow. Second operand 15 states and 178 transitions. [2024-11-20 21:51:22,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 126 transitions, 1178 flow [2024-11-20 21:51:22,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 126 transitions, 1041 flow, removed 3 selfloop flow, removed 20 redundant places. [2024-11-20 21:51:22,856 INFO L231 Difference]: Finished difference. Result has 125 places, 75 transitions, 654 flow [2024-11-20 21:51:22,856 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} [2024-11-20 21:51:22,857 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 86 predicate places. [2024-11-20 21:51:22,857 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 75 transitions, 654 flow [2024-11-20 21:51:22,857 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) [2024-11-20 21:51:22,857 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:22,857 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:22,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-20 21:51:22,857 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:22,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:22,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1413371679, now seen corresponding path program 3 times [2024-11-20 21:51:22,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:22,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946000760] [2024-11-20 21:51:22,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:22,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:23,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:23,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:23,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946000760] [2024-11-20 21:51:23,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946000760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:23,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:23,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:23,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240332779] [2024-11-20 21:51:23,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:23,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:23,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:23,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:23,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:23,202 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) [2024-11-20 21:51:23,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:23,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:23,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:23,756 INFO L124 PetriNetUnfolderBase]: 411/846 cut-off events. [2024-11-20 21:51:23,757 INFO L125 PetriNetUnfolderBase]: For 2346/2350 co-relation queries the response was YES. [2024-11-20 21:51:23,760 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. [2024-11-20 21:51:23,762 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 45 selfloop transitions, 24 changer transitions 40/111 dead transitions. [2024-11-20 21:51:23,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 111 transitions, 929 flow [2024-11-20 21:51:23,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 21:51:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-20 21:51:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 212 transitions. [2024-11-20 21:51:23,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2789473684210526 [2024-11-20 21:51:23,764 INFO L175 Difference]: Start difference. First operand has 125 places, 75 transitions, 654 flow. Second operand 20 states and 212 transitions. [2024-11-20 21:51:23,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 111 transitions, 929 flow [2024-11-20 21:51:23,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 111 transitions, 816 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-11-20 21:51:23,773 INFO L231 Difference]: Finished difference. Result has 118 places, 56 transitions, 412 flow [2024-11-20 21:51:23,773 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} [2024-11-20 21:51:23,773 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-20 21:51:23,774 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 56 transitions, 412 flow [2024-11-20 21:51:23,774 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) [2024-11-20 21:51:23,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:23,774 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:23,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-20 21:51:23,774 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:23,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:23,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1327274515, now seen corresponding path program 4 times [2024-11-20 21:51:23,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:23,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111870712] [2024-11-20 21:51:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:23,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:24,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:24,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111870712] [2024-11-20 21:51:24,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111870712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:24,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:24,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:24,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818301278] [2024-11-20 21:51:24,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:24,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:24,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:24,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:24,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:24,154 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:24,154 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) [2024-11-20 21:51:24,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:24,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:24,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:24,418 INFO L124 PetriNetUnfolderBase]: 248/519 cut-off events. [2024-11-20 21:51:24,418 INFO L125 PetriNetUnfolderBase]: For 760/760 co-relation queries the response was YES. [2024-11-20 21:51:24,419 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. [2024-11-20 21:51:24,420 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 32 selfloop transitions, 16 changer transitions 30/80 dead transitions. [2024-11-20 21:51:24,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 80 transitions, 614 flow [2024-11-20 21:51:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 21:51:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-20 21:51:24,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 155 transitions. [2024-11-20 21:51:24,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2719298245614035 [2024-11-20 21:51:24,421 INFO L175 Difference]: Start difference. First operand has 118 places, 56 transitions, 412 flow. Second operand 15 states and 155 transitions. [2024-11-20 21:51:24,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 80 transitions, 614 flow [2024-11-20 21:51:24,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 80 transitions, 517 flow, removed 3 selfloop flow, removed 23 redundant places. [2024-11-20 21:51:24,423 INFO L231 Difference]: Finished difference. Result has 87 places, 42 transitions, 272 flow [2024-11-20 21:51:24,424 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} [2024-11-20 21:51:24,424 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-11-20 21:51:24,424 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 42 transitions, 272 flow [2024-11-20 21:51:24,424 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) [2024-11-20 21:51:24,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:24,424 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:24,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-20 21:51:24,425 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:24,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:24,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1804568701, now seen corresponding path program 9 times [2024-11-20 21:51:24,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:24,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41011430] [2024-11-20 21:51:24,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:24,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:24,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:24,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41011430] [2024-11-20 21:51:24,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41011430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:24,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:24,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:24,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544650518] [2024-11-20 21:51:24,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:24,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:24,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:24,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:24,820 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) [2024-11-20 21:51:24,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:24,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:24,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:25,081 INFO L124 PetriNetUnfolderBase]: 160/343 cut-off events. [2024-11-20 21:51:25,082 INFO L125 PetriNetUnfolderBase]: For 428/428 co-relation queries the response was YES. [2024-11-20 21:51:25,082 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. [2024-11-20 21:51:25,083 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 25 selfloop transitions, 13 changer transitions 25/65 dead transitions. [2024-11-20 21:51:25,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 65 transitions, 426 flow [2024-11-20 21:51:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 21:51:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-20 21:51:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 128 transitions. [2024-11-20 21:51:25,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2807017543859649 [2024-11-20 21:51:25,084 INFO L175 Difference]: Start difference. First operand has 87 places, 42 transitions, 272 flow. Second operand 12 states and 128 transitions. [2024-11-20 21:51:25,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 65 transitions, 426 flow [2024-11-20 21:51:25,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 65 transitions, 374 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-11-20 21:51:25,085 INFO L231 Difference]: Finished difference. Result has 67 places, 33 transitions, 174 flow [2024-11-20 21:51:25,085 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} [2024-11-20 21:51:25,086 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 28 predicate places. [2024-11-20 21:51:25,086 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 33 transitions, 174 flow [2024-11-20 21:51:25,086 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) [2024-11-20 21:51:25,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:51:25,086 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:51:25,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-20 21:51:25,086 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:51:25,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:51:25,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1376472031, now seen corresponding path program 10 times [2024-11-20 21:51:25,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:51:25,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932564184] [2024-11-20 21:51:25,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:51:25,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:51:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:25,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:25,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932564184] [2024-11-20 21:51:25,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932564184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:25,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:25,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:25,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817737915] [2024-11-20 21:51:25,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:25,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:25,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:25,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:25,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:25,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-20 21:51:25,455 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) [2024-11-20 21:51:25,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:25,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-20 21:51:25,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:25,666 INFO L124 PetriNetUnfolderBase]: 78/181 cut-off events. [2024-11-20 21:51:25,666 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-20 21:51:25,666 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. [2024-11-20 21:51:25,666 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2024-11-20 21:51:25,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 291 flow [2024-11-20 21:51:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 21:51:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-20 21:51:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 119 transitions. [2024-11-20 21:51:25,667 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26096491228070173 [2024-11-20 21:51:25,667 INFO L175 Difference]: Start difference. First operand has 67 places, 33 transitions, 174 flow. Second operand 12 states and 119 transitions. [2024-11-20 21:51:25,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 291 flow [2024-11-20 21:51:25,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 251 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-20 21:51:25,668 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2024-11-20 21:51:25,668 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} [2024-11-20 21:51:25,669 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 10 predicate places. [2024-11-20 21:51:25,669 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2024-11-20 21:51:25,669 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) [2024-11-20 21:51:25,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-20 21:51:25,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-20 21:51:25,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-20 21:51:25,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-20 21:51:25,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-20 21:51:25,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-20 21:51:25,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-20 21:51:25,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-20 21:51:25,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-20 21:51:25,672 INFO L407 BasicCegarLoop]: Path program histogram: [10, 10, 5, 4, 3, 3, 1, 1, 1] [2024-11-20 21:51:25,677 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:51:25,677 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:51:25,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:51:25 BasicIcfg [2024-11-20 21:51:25,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:51:25,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:51:25,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:51:25,683 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:51:25,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:38" (3/4) ... [2024-11-20 21:51:25,684 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:51:25,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-20 21:51:25,692 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2024-11-20 21:51:25,693 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-11-20 21:51:25,693 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-20 21:51:25,693 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 21:51:25,785 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:51:25,786 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:51:25,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:51:25,786 INFO L158 Benchmark]: Toolchain (without parser) took 49375.70ms. Allocated memory was 178.3MB in the beginning and 1.1GB in the end (delta: 929.0MB). Free memory was 131.1MB in the beginning and 547.3MB in the end (delta: -416.2MB). Peak memory consumption was 513.8MB. Max. memory is 16.1GB. [2024-11-20 21:51:25,786 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:51:25,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.79ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 141.9MB in the end (delta: -10.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-20 21:51:25,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.16ms. Allocated memory is still 178.3MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:51:25,787 INFO L158 Benchmark]: Boogie Preprocessor took 90.94ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 135.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 21:51:25,788 INFO L158 Benchmark]: RCFGBuilder took 896.86ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 95.7MB in the end (delta: 39.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-20 21:51:25,788 INFO L158 Benchmark]: TraceAbstraction took 47440.13ms. Allocated memory was 178.3MB in the beginning and 1.1GB in the end (delta: 929.0MB). Free memory was 94.6MB in the beginning and 553.6MB in the end (delta: -459.0MB). Peak memory consumption was 472.2MB. Max. memory is 16.1GB. [2024-11-20 21:51:25,791 INFO L158 Benchmark]: Witness Printer took 103.48ms. Allocated memory is still 1.1GB. Free memory was 553.6MB in the beginning and 547.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 21:51:25,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.79ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 141.9MB in the end (delta: -10.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.16ms. Allocated memory is still 178.3MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.94ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 135.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 896.86ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 95.7MB in the end (delta: 39.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 47440.13ms. Allocated memory was 178.3MB in the beginning and 1.1GB in the end (delta: 929.0MB). Free memory was 94.6MB in the beginning and 553.6MB in the end (delta: -459.0MB). Peak memory consumption was 472.2MB. Max. memory is 16.1GB. * Witness Printer took 103.48ms. Allocated memory is still 1.1GB. Free memory was 553.6MB in the beginning and 547.3MB 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: 47.3s, OverallIterations: 38, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 27.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3711 SdHoareTripleChecker+Valid, 11.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3504 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 9.5s 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, 8.7s 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, 18.0s 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! [2024-11-20 21:51:25,819 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