./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:51:04,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:51:04,089 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:51:04,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:51:04,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:51:04,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:51:04,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:51:04,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:51:04,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:51:04,126 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:51:04,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:51:04,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:51:04,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:51:04,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:51:04,129 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:51:04,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:51:04,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:51:04,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:51:04,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:51:04,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:51:04,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:51:04,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:51:04,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:51:04,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:51:04,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:51:04,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:51:04,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:51:04,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:51:04,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:51:04,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:51:04,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:51:04,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:51:04,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:51:04,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:51:04,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:51:04,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:51:04,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:51:04,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:51:04,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:51:04,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:51:04,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:51:04,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:51:04,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:51:04,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:51:04,143 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-10-14 23:51:04,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:51:04,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:51:04,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:51:04,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:51:04,436 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:51:04,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-10-14 23:51:05,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:51:06,238 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:51:06,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-10-14 23:51:06,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9e4cbd5/67b96ae0ff7943789d1572b005234841/FLAG25bfefd1a [2024-10-14 23:51:06,304 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9e4cbd5/67b96ae0ff7943789d1572b005234841 [2024-10-14 23:51:06,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:51:06,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:51:06,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:51:06,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:51:06,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:51:06,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:06,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cca184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06, skipping insertion in model container [2024-10-14 23:51:06,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:06,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:51:06,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:51:06,858 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:51:06,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:51:06,986 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:51:06,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06 WrapperNode [2024-10-14 23:51:06,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:51:06,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:51:06,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:51:06,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:51:06,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,065 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-10-14 23:51:07,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:51:07,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:51:07,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:51:07,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:51:07,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,083 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,116 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 2, 8]. [2024-10-14 23:51:07,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:51:07,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:51:07,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:51:07,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:51:07,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (1/1) ... [2024-10-14 23:51:07,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:51:07,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:51:07,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:51:07,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:51:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-14 23:51:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-14 23:51:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 23:51:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 23:51:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 23:51:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 23:51:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 23:51:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 23:51:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 23:51:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 23:51:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 23:51:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 23:51:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 23:51:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 23:51:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:51:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 23:51:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 23:51:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 23:51:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:51:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 23:51:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 23:51:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:51:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:51:07,270 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 23:51:07,517 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:51:07,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:51:07,855 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 23:51:07,855 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:51:08,061 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:51:08,061 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:51:08,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:51:08 BoogieIcfgContainer [2024-10-14 23:51:08,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:51:08,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:51:08,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:51:08,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:51:08,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:51:06" (1/3) ... [2024-10-14 23:51:08,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248b347e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:51:08, skipping insertion in model container [2024-10-14 23:51:08,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:06" (2/3) ... [2024-10-14 23:51:08,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248b347e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:51:08, skipping insertion in model container [2024-10-14 23:51:08,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:51:08" (3/3) ... [2024-10-14 23:51:08,071 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-10-14 23:51:08,091 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:51:08,092 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:51:08,092 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 23:51:08,142 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 23:51:08,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2024-10-14 23:51:08,217 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2024-10-14 23:51:08,218 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 23:51:08,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 2/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2024-10-14 23:51:08,220 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2024-10-14 23:51:08,224 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2024-10-14 23:51:08,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:51:08,244 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;@b9abb38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:51:08,245 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-14 23:51:08,255 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 23:51:08,256 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-10-14 23:51:08,256 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:51:08,257 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:08,257 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:08,258 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:08,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:08,265 INFO L85 PathProgramCache]: Analyzing trace with hash -215199965, now seen corresponding path program 1 times [2024-10-14 23:51:08,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:08,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109017862] [2024-10-14 23:51:08,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:08,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:09,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:09,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109017862] [2024-10-14 23:51:09,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109017862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:09,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:09,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:51:09,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038114501] [2024-10-14 23:51:09,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:09,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:51:09,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:09,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:51:09,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:51:09,334 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:09,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:09,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:09,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:09,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:10,024 INFO L124 PetriNetUnfolderBase]: 1309/2220 cut-off events. [2024-10-14 23:51:10,025 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-10-14 23:51:10,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4457 conditions, 2220 events. 1309/2220 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11613 event pairs, 581 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 4365. Up to 1340 conditions per place. [2024-10-14 23:51:10,048 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 85 selfloop transitions, 20 changer transitions 3/111 dead transitions. [2024-10-14 23:51:10,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 111 transitions, 462 flow [2024-10-14 23:51:10,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 23:51:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 23:51:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 172 transitions. [2024-10-14 23:51:10,067 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39090909090909093 [2024-10-14 23:51:10,068 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 10 states and 172 transitions. [2024-10-14 23:51:10,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 111 transitions, 462 flow [2024-10-14 23:51:10,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 111 transitions, 451 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-14 23:51:10,080 INFO L231 Difference]: Finished difference. Result has 56 places, 58 transitions, 208 flow [2024-10-14 23:51:10,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2024-10-14 23:51:10,089 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2024-10-14 23:51:10,089 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 208 flow [2024-10-14 23:51:10,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:10,090 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:10,090 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:10,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:51:10,091 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:10,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:10,091 INFO L85 PathProgramCache]: Analyzing trace with hash 2146416997, now seen corresponding path program 1 times [2024-10-14 23:51:10,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:10,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101414371] [2024-10-14 23:51:10,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:10,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:10,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:10,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101414371] [2024-10-14 23:51:10,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101414371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:10,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:10,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:51:10,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519641050] [2024-10-14 23:51:10,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:10,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:51:10,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:10,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:51:10,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:51:10,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:10,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:10,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:10,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:10,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:11,114 INFO L124 PetriNetUnfolderBase]: 1551/2657 cut-off events. [2024-10-14 23:51:11,114 INFO L125 PetriNetUnfolderBase]: For 1048/1050 co-relation queries the response was YES. [2024-10-14 23:51:11,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 2657 events. 1551/2657 cut-off events. For 1048/1050 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14448 event pairs, 910 based on Foata normal form. 2/2419 useless extension candidates. Maximal degree in co-relation 5626. Up to 1866 conditions per place. [2024-10-14 23:51:11,131 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 83 selfloop transitions, 27 changer transitions 9/122 dead transitions. [2024-10-14 23:51:11,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 122 transitions, 650 flow [2024-10-14 23:51:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 23:51:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 23:51:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2024-10-14 23:51:11,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3840909090909091 [2024-10-14 23:51:11,136 INFO L175 Difference]: Start difference. First operand has 56 places, 58 transitions, 208 flow. Second operand 10 states and 169 transitions. [2024-10-14 23:51:11,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 122 transitions, 650 flow [2024-10-14 23:51:11,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 122 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 23:51:11,147 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 364 flow [2024-10-14 23:51:11,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=364, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2024-10-14 23:51:11,148 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2024-10-14 23:51:11,148 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 364 flow [2024-10-14 23:51:11,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:11,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:11,150 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:11,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:51:11,150 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:11,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:11,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1457176187, now seen corresponding path program 1 times [2024-10-14 23:51:11,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:11,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440936129] [2024-10-14 23:51:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:11,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:11,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:11,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440936129] [2024-10-14 23:51:11,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440936129] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:11,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:11,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:51:11,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083952647] [2024-10-14 23:51:11,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:11,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:51:11,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:11,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:51:11,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 23:51:11,926 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:11,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 364 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:11,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:11,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:11,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:13,176 INFO L124 PetriNetUnfolderBase]: 2489/4295 cut-off events. [2024-10-14 23:51:13,176 INFO L125 PetriNetUnfolderBase]: For 3375/3385 co-relation queries the response was YES. [2024-10-14 23:51:13,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11976 conditions, 4295 events. 2489/4295 cut-off events. For 3375/3385 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 26392 event pairs, 1200 based on Foata normal form. 76/4155 useless extension candidates. Maximal degree in co-relation 8830. Up to 2376 conditions per place. [2024-10-14 23:51:13,203 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 150 selfloop transitions, 66 changer transitions 5/224 dead transitions. [2024-10-14 23:51:13,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 224 transitions, 1488 flow [2024-10-14 23:51:13,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 23:51:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-14 23:51:13,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 266 transitions. [2024-10-14 23:51:13,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35561497326203206 [2024-10-14 23:51:13,206 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 364 flow. Second operand 17 states and 266 transitions. [2024-10-14 23:51:13,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 224 transitions, 1488 flow [2024-10-14 23:51:13,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 224 transitions, 1488 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 23:51:13,235 INFO L231 Difference]: Finished difference. Result has 96 places, 133 transitions, 1003 flow [2024-10-14 23:51:13,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1003, PETRI_PLACES=96, PETRI_TRANSITIONS=133} [2024-10-14 23:51:13,237 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 51 predicate places. [2024-10-14 23:51:13,237 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 133 transitions, 1003 flow [2024-10-14 23:51:13,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:13,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:13,238 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:13,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 23:51:13,238 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:13,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:13,239 INFO L85 PathProgramCache]: Analyzing trace with hash 430444549, now seen corresponding path program 2 times [2024-10-14 23:51:13,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:13,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409237305] [2024-10-14 23:51:13,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:13,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:13,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:13,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409237305] [2024-10-14 23:51:13,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409237305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:13,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:13,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:51:13,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237080544] [2024-10-14 23:51:13,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:13,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:51:13,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:13,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:51:13,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 23:51:13,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:13,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 133 transitions, 1003 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:13,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:13,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:13,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:15,433 INFO L124 PetriNetUnfolderBase]: 2725/4710 cut-off events. [2024-10-14 23:51:15,433 INFO L125 PetriNetUnfolderBase]: For 10671/10686 co-relation queries the response was YES. [2024-10-14 23:51:15,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16168 conditions, 4710 events. 2725/4710 cut-off events. For 10671/10686 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 29364 event pairs, 1037 based on Foata normal form. 81/4535 useless extension candidates. Maximal degree in co-relation 15535. Up to 2167 conditions per place. [2024-10-14 23:51:15,475 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 152 selfloop transitions, 114 changer transitions 4/273 dead transitions. [2024-10-14 23:51:15,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 273 transitions, 2321 flow [2024-10-14 23:51:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 23:51:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-14 23:51:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 314 transitions. [2024-10-14 23:51:15,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3243801652892562 [2024-10-14 23:51:15,478 INFO L175 Difference]: Start difference. First operand has 96 places, 133 transitions, 1003 flow. Second operand 22 states and 314 transitions. [2024-10-14 23:51:15,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 273 transitions, 2321 flow [2024-10-14 23:51:15,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 273 transitions, 2225 flow, removed 40 selfloop flow, removed 3 redundant places. [2024-10-14 23:51:15,622 INFO L231 Difference]: Finished difference. Result has 122 places, 184 transitions, 1753 flow [2024-10-14 23:51:15,622 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1753, PETRI_PLACES=122, PETRI_TRANSITIONS=184} [2024-10-14 23:51:15,624 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 77 predicate places. [2024-10-14 23:51:15,624 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 184 transitions, 1753 flow [2024-10-14 23:51:15,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:15,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:15,626 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:15,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:51:15,626 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:15,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:15,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1333101199, now seen corresponding path program 1 times [2024-10-14 23:51:15,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:15,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887565965] [2024-10-14 23:51:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:15,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:16,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:16,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887565965] [2024-10-14 23:51:16,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887565965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:16,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:16,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:51:16,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313300188] [2024-10-14 23:51:16,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:16,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:51:16,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:16,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:51:16,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 23:51:16,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:16,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 184 transitions, 1753 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:16,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:16,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:16,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:17,607 INFO L124 PetriNetUnfolderBase]: 3111/5456 cut-off events. [2024-10-14 23:51:17,608 INFO L125 PetriNetUnfolderBase]: For 18151/18163 co-relation queries the response was YES. [2024-10-14 23:51:17,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20816 conditions, 5456 events. 3111/5456 cut-off events. For 18151/18163 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 35644 event pairs, 1654 based on Foata normal form. 88/5260 useless extension candidates. Maximal degree in co-relation 20167. Up to 4114 conditions per place. [2024-10-14 23:51:17,676 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 172 selfloop transitions, 66 changer transitions 18/259 dead transitions. [2024-10-14 23:51:17,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 259 transitions, 2715 flow [2024-10-14 23:51:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 23:51:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-14 23:51:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 200 transitions. [2024-10-14 23:51:17,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3787878787878788 [2024-10-14 23:51:17,678 INFO L175 Difference]: Start difference. First operand has 122 places, 184 transitions, 1753 flow. Second operand 12 states and 200 transitions. [2024-10-14 23:51:17,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 259 transitions, 2715 flow [2024-10-14 23:51:17,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 259 transitions, 2599 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-10-14 23:51:17,772 INFO L231 Difference]: Finished difference. Result has 131 places, 194 transitions, 1955 flow [2024-10-14 23:51:17,772 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1955, PETRI_PLACES=131, PETRI_TRANSITIONS=194} [2024-10-14 23:51:17,775 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2024-10-14 23:51:17,776 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 194 transitions, 1955 flow [2024-10-14 23:51:17,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:17,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:17,777 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:17,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 23:51:17,778 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:17,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:17,778 INFO L85 PathProgramCache]: Analyzing trace with hash -668124875, now seen corresponding path program 1 times [2024-10-14 23:51:17,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:17,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315055015] [2024-10-14 23:51:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:17,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:17,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315055015] [2024-10-14 23:51:17,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315055015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:17,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:17,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:51:17,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367566937] [2024-10-14 23:51:17,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:17,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:51:17,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:17,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:51:17,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:51:17,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2024-10-14 23:51:17,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 194 transitions, 1955 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:17,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:17,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2024-10-14 23:51:17,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:18,395 INFO L124 PetriNetUnfolderBase]: 1957/3514 cut-off events. [2024-10-14 23:51:18,395 INFO L125 PetriNetUnfolderBase]: For 10211/10213 co-relation queries the response was YES. [2024-10-14 23:51:18,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 3514 events. 1957/3514 cut-off events. For 10211/10213 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 21437 event pairs, 750 based on Foata normal form. 0/3326 useless extension candidates. Maximal degree in co-relation 13066. Up to 2271 conditions per place. [2024-10-14 23:51:18,428 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 218 selfloop transitions, 21 changer transitions 0/241 dead transitions. [2024-10-14 23:51:18,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 241 transitions, 2798 flow [2024-10-14 23:51:18,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:51:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 23:51:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-10-14 23:51:18,430 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2024-10-14 23:51:18,430 INFO L175 Difference]: Start difference. First operand has 131 places, 194 transitions, 1955 flow. Second operand 4 states and 90 transitions. [2024-10-14 23:51:18,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 241 transitions, 2798 flow [2024-10-14 23:51:18,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 241 transitions, 2670 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-10-14 23:51:18,514 INFO L231 Difference]: Finished difference. Result has 124 places, 154 transitions, 1459 flow [2024-10-14 23:51:18,514 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1417, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1459, PETRI_PLACES=124, PETRI_TRANSITIONS=154} [2024-10-14 23:51:18,515 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 79 predicate places. [2024-10-14 23:51:18,515 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 154 transitions, 1459 flow [2024-10-14 23:51:18,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:18,516 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:18,516 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:18,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 23:51:18,516 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:18,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:18,516 INFO L85 PathProgramCache]: Analyzing trace with hash -293763805, now seen corresponding path program 2 times [2024-10-14 23:51:18,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:18,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837297719] [2024-10-14 23:51:18,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:18,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:18,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837297719] [2024-10-14 23:51:18,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837297719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:18,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:18,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:51:18,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502152607] [2024-10-14 23:51:18,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:18,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:51:18,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:18,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:51:18,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 23:51:18,993 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:18,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 154 transitions, 1459 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:18,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:18,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:18,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:20,206 INFO L124 PetriNetUnfolderBase]: 2147/3922 cut-off events. [2024-10-14 23:51:20,206 INFO L125 PetriNetUnfolderBase]: For 11147/11157 co-relation queries the response was YES. [2024-10-14 23:51:20,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14844 conditions, 3922 events. 2147/3922 cut-off events. For 11147/11157 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 24060 event pairs, 940 based on Foata normal form. 72/3808 useless extension candidates. Maximal degree in co-relation 14460. Up to 2071 conditions per place. [2024-10-14 23:51:20,248 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 148 selfloop transitions, 59 changer transitions 16/225 dead transitions. [2024-10-14 23:51:20,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 225 transitions, 2259 flow [2024-10-14 23:51:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 23:51:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-14 23:51:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 217 transitions. [2024-10-14 23:51:20,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3287878787878788 [2024-10-14 23:51:20,250 INFO L175 Difference]: Start difference. First operand has 124 places, 154 transitions, 1459 flow. Second operand 15 states and 217 transitions. [2024-10-14 23:51:20,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 225 transitions, 2259 flow [2024-10-14 23:51:20,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 225 transitions, 2206 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-14 23:51:20,342 INFO L231 Difference]: Finished difference. Result has 139 places, 158 transitions, 1618 flow [2024-10-14 23:51:20,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1618, PETRI_PLACES=139, PETRI_TRANSITIONS=158} [2024-10-14 23:51:20,344 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 94 predicate places. [2024-10-14 23:51:20,344 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 158 transitions, 1618 flow [2024-10-14 23:51:20,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:20,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:20,344 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:20,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 23:51:20,345 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:20,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:20,346 INFO L85 PathProgramCache]: Analyzing trace with hash -421152827, now seen corresponding path program 3 times [2024-10-14 23:51:20,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:20,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127948480] [2024-10-14 23:51:20,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:20,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:20,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:20,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127948480] [2024-10-14 23:51:20,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127948480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:20,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:20,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:51:20,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668807104] [2024-10-14 23:51:20,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:20,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:51:20,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:20,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:51:20,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 23:51:20,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:20,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 158 transitions, 1618 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:20,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:20,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:20,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:21,871 INFO L124 PetriNetUnfolderBase]: 1983/3642 cut-off events. [2024-10-14 23:51:21,871 INFO L125 PetriNetUnfolderBase]: For 11129/11139 co-relation queries the response was YES. [2024-10-14 23:51:21,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14190 conditions, 3642 events. 1983/3642 cut-off events. For 11129/11139 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 22167 event pairs, 751 based on Foata normal form. 80/3566 useless extension candidates. Maximal degree in co-relation 13803. Up to 1899 conditions per place. [2024-10-14 23:51:21,902 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 163 selfloop transitions, 85 changer transitions 19/269 dead transitions. [2024-10-14 23:51:21,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 269 transitions, 2863 flow [2024-10-14 23:51:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 23:51:21,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-14 23:51:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 273 transitions. [2024-10-14 23:51:21,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.326555023923445 [2024-10-14 23:51:21,907 INFO L175 Difference]: Start difference. First operand has 139 places, 158 transitions, 1618 flow. Second operand 19 states and 273 transitions. [2024-10-14 23:51:21,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 269 transitions, 2863 flow [2024-10-14 23:51:21,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 269 transitions, 2743 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-10-14 23:51:21,999 INFO L231 Difference]: Finished difference. Result has 155 places, 175 transitions, 1989 flow [2024-10-14 23:51:22,000 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1989, PETRI_PLACES=155, PETRI_TRANSITIONS=175} [2024-10-14 23:51:22,002 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 110 predicate places. [2024-10-14 23:51:22,002 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 175 transitions, 1989 flow [2024-10-14 23:51:22,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:22,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:22,002 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:22,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 23:51:22,003 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:22,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:22,003 INFO L85 PathProgramCache]: Analyzing trace with hash -421152507, now seen corresponding path program 3 times [2024-10-14 23:51:22,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:22,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753278534] [2024-10-14 23:51:22,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:22,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:22,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753278534] [2024-10-14 23:51:22,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753278534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:22,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:22,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:51:22,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119921037] [2024-10-14 23:51:22,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:22,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:51:22,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:22,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:51:22,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 23:51:22,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:22,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 175 transitions, 1989 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:22,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:22,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:22,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:23,633 INFO L124 PetriNetUnfolderBase]: 1348/2491 cut-off events. [2024-10-14 23:51:23,634 INFO L125 PetriNetUnfolderBase]: For 10755/10765 co-relation queries the response was YES. [2024-10-14 23:51:23,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 2491 events. 1348/2491 cut-off events. For 10755/10765 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14274 event pairs, 411 based on Foata normal form. 46/2393 useless extension candidates. Maximal degree in co-relation 10955. Up to 1219 conditions per place. [2024-10-14 23:51:23,655 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 160 selfloop transitions, 89 changer transitions 8/259 dead transitions. [2024-10-14 23:51:23,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 259 transitions, 2982 flow [2024-10-14 23:51:23,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-14 23:51:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-14 23:51:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 286 transitions. [2024-10-14 23:51:23,658 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2024-10-14 23:51:23,659 INFO L175 Difference]: Start difference. First operand has 155 places, 175 transitions, 1989 flow. Second operand 21 states and 286 transitions. [2024-10-14 23:51:23,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 259 transitions, 2982 flow [2024-10-14 23:51:23,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 259 transitions, 2818 flow, removed 43 selfloop flow, removed 8 redundant places. [2024-10-14 23:51:23,749 INFO L231 Difference]: Finished difference. Result has 171 places, 192 transitions, 2285 flow [2024-10-14 23:51:23,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2285, PETRI_PLACES=171, PETRI_TRANSITIONS=192} [2024-10-14 23:51:23,751 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 126 predicate places. [2024-10-14 23:51:23,751 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 192 transitions, 2285 flow [2024-10-14 23:51:23,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:23,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:23,752 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:23,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 23:51:23,753 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:23,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash -853563660, now seen corresponding path program 1 times [2024-10-14 23:51:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922496210] [2024-10-14 23:51:23,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:23,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:24,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:24,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922496210] [2024-10-14 23:51:24,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922496210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:24,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:24,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:24,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167247185] [2024-10-14 23:51:24,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:24,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:24,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:24,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:24,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:24,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:24,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 192 transitions, 2285 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:24,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:24,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:24,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:25,516 INFO L124 PetriNetUnfolderBase]: 1421/2624 cut-off events. [2024-10-14 23:51:25,516 INFO L125 PetriNetUnfolderBase]: For 13664/13674 co-relation queries the response was YES. [2024-10-14 23:51:25,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12594 conditions, 2624 events. 1421/2624 cut-off events. For 13664/13674 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 15373 event pairs, 494 based on Foata normal form. 10/2508 useless extension candidates. Maximal degree in co-relation 12142. Up to 1521 conditions per place. [2024-10-14 23:51:25,538 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 207 selfloop transitions, 74 changer transitions 7/290 dead transitions. [2024-10-14 23:51:25,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 290 transitions, 3339 flow [2024-10-14 23:51:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 23:51:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-14 23:51:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 285 transitions. [2024-10-14 23:51:25,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2024-10-14 23:51:25,540 INFO L175 Difference]: Start difference. First operand has 171 places, 192 transitions, 2285 flow. Second operand 20 states and 285 transitions. [2024-10-14 23:51:25,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 290 transitions, 3339 flow [2024-10-14 23:51:25,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 290 transitions, 3232 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-10-14 23:51:25,657 INFO L231 Difference]: Finished difference. Result has 188 places, 204 transitions, 2522 flow [2024-10-14 23:51:25,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2182, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2522, PETRI_PLACES=188, PETRI_TRANSITIONS=204} [2024-10-14 23:51:25,661 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 143 predicate places. [2024-10-14 23:51:25,661 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 204 transitions, 2522 flow [2024-10-14 23:51:25,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:25,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:25,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:25,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 23:51:25,662 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:25,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:25,662 INFO L85 PathProgramCache]: Analyzing trace with hash 169149641, now seen corresponding path program 1 times [2024-10-14 23:51:25,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:25,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972538108] [2024-10-14 23:51:25,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:25,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:26,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:26,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972538108] [2024-10-14 23:51:26,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972538108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:26,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:26,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:26,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456442246] [2024-10-14 23:51:26,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:26,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:26,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:26,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:26,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:26,251 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:26,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 204 transitions, 2522 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:26,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:26,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:26,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:27,144 INFO L124 PetriNetUnfolderBase]: 1366/2537 cut-off events. [2024-10-14 23:51:27,145 INFO L125 PetriNetUnfolderBase]: For 18155/18165 co-relation queries the response was YES. [2024-10-14 23:51:27,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12644 conditions, 2537 events. 1366/2537 cut-off events. For 18155/18165 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 14814 event pairs, 506 based on Foata normal form. 46/2523 useless extension candidates. Maximal degree in co-relation 12183. Up to 1573 conditions per place. [2024-10-14 23:51:27,165 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 189 selfloop transitions, 71 changer transitions 10/272 dead transitions. [2024-10-14 23:51:27,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 272 transitions, 3316 flow [2024-10-14 23:51:27,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 23:51:27,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-14 23:51:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 248 transitions. [2024-10-14 23:51:27,167 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3315508021390374 [2024-10-14 23:51:27,167 INFO L175 Difference]: Start difference. First operand has 188 places, 204 transitions, 2522 flow. Second operand 17 states and 248 transitions. [2024-10-14 23:51:27,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 272 transitions, 3316 flow [2024-10-14 23:51:27,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 272 transitions, 3162 flow, removed 14 selfloop flow, removed 11 redundant places. [2024-10-14 23:51:27,288 INFO L231 Difference]: Finished difference. Result has 194 places, 202 transitions, 2507 flow [2024-10-14 23:51:27,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2368, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2507, PETRI_PLACES=194, PETRI_TRANSITIONS=202} [2024-10-14 23:51:27,289 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 149 predicate places. [2024-10-14 23:51:27,290 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 202 transitions, 2507 flow [2024-10-14 23:51:27,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:27,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:27,290 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:27,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 23:51:27,290 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:27,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:27,291 INFO L85 PathProgramCache]: Analyzing trace with hash -187265719, now seen corresponding path program 1 times [2024-10-14 23:51:27,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:27,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977482192] [2024-10-14 23:51:27,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:27,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:27,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:27,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977482192] [2024-10-14 23:51:27,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977482192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:27,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:27,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 23:51:27,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801438856] [2024-10-14 23:51:27,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:27,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 23:51:27,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:27,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 23:51:27,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:51:27,811 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:27,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 202 transitions, 2507 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:27,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:27,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:27,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:28,794 INFO L124 PetriNetUnfolderBase]: 1484/2790 cut-off events. [2024-10-14 23:51:28,794 INFO L125 PetriNetUnfolderBase]: For 21310/21320 co-relation queries the response was YES. [2024-10-14 23:51:28,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13999 conditions, 2790 events. 1484/2790 cut-off events. For 21310/21320 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 16700 event pairs, 575 based on Foata normal form. 10/2764 useless extension candidates. Maximal degree in co-relation 13850. Up to 1033 conditions per place. [2024-10-14 23:51:28,820 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 208 selfloop transitions, 95 changer transitions 7/312 dead transitions. [2024-10-14 23:51:28,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 312 transitions, 3807 flow [2024-10-14 23:51:28,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 23:51:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-14 23:51:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 306 transitions. [2024-10-14 23:51:28,823 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30237154150197626 [2024-10-14 23:51:28,823 INFO L175 Difference]: Start difference. First operand has 194 places, 202 transitions, 2507 flow. Second operand 23 states and 306 transitions. [2024-10-14 23:51:28,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 312 transitions, 3807 flow [2024-10-14 23:51:28,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 312 transitions, 3681 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-10-14 23:51:28,987 INFO L231 Difference]: Finished difference. Result has 204 places, 217 transitions, 2844 flow [2024-10-14 23:51:28,987 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2390, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2844, PETRI_PLACES=204, PETRI_TRANSITIONS=217} [2024-10-14 23:51:28,989 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 159 predicate places. [2024-10-14 23:51:28,989 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 217 transitions, 2844 flow [2024-10-14 23:51:28,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:28,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:28,990 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:28,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 23:51:28,990 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:28,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:28,992 INFO L85 PathProgramCache]: Analyzing trace with hash -585472834, now seen corresponding path program 1 times [2024-10-14 23:51:28,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:28,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118077824] [2024-10-14 23:51:28,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:28,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:29,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:29,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118077824] [2024-10-14 23:51:29,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118077824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:29,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:29,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 23:51:29,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773041737] [2024-10-14 23:51:29,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:29,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:51:29,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:29,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:51:29,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:51:29,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:29,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 217 transitions, 2844 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:29,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:29,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:29,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:30,420 INFO L124 PetriNetUnfolderBase]: 1590/2981 cut-off events. [2024-10-14 23:51:30,420 INFO L125 PetriNetUnfolderBase]: For 26506/26516 co-relation queries the response was YES. [2024-10-14 23:51:30,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15240 conditions, 2981 events. 1590/2981 cut-off events. For 26506/26516 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 18165 event pairs, 553 based on Foata normal form. 34/3015 useless extension candidates. Maximal degree in co-relation 14662. Up to 771 conditions per place. [2024-10-14 23:51:30,455 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 215 selfloop transitions, 81 changer transitions 30/328 dead transitions. [2024-10-14 23:51:30,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 328 transitions, 4155 flow [2024-10-14 23:51:30,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 23:51:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-14 23:51:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 279 transitions. [2024-10-14 23:51:30,458 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3522727272727273 [2024-10-14 23:51:30,458 INFO L175 Difference]: Start difference. First operand has 204 places, 217 transitions, 2844 flow. Second operand 18 states and 279 transitions. [2024-10-14 23:51:30,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 328 transitions, 4155 flow [2024-10-14 23:51:30,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 328 transitions, 4012 flow, removed 8 selfloop flow, removed 14 redundant places. [2024-10-14 23:51:30,610 INFO L231 Difference]: Finished difference. Result has 208 places, 215 transitions, 2841 flow [2024-10-14 23:51:30,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2685, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2841, PETRI_PLACES=208, PETRI_TRANSITIONS=215} [2024-10-14 23:51:30,612 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 163 predicate places. [2024-10-14 23:51:30,612 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 215 transitions, 2841 flow [2024-10-14 23:51:30,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:30,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:30,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:30,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 23:51:30,613 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:30,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:30,613 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166247, now seen corresponding path program 2 times [2024-10-14 23:51:30,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:30,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917505671] [2024-10-14 23:51:30,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:30,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:31,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:31,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917505671] [2024-10-14 23:51:31,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917505671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:31,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:31,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:31,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519727878] [2024-10-14 23:51:31,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:31,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:31,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:31,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:31,179 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:31,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 215 transitions, 2841 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:31,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:31,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:31,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:32,593 INFO L124 PetriNetUnfolderBase]: 1719/3227 cut-off events. [2024-10-14 23:51:32,593 INFO L125 PetriNetUnfolderBase]: For 29084/29094 co-relation queries the response was YES. [2024-10-14 23:51:32,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16696 conditions, 3227 events. 1719/3227 cut-off events. For 29084/29094 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 20131 event pairs, 605 based on Foata normal form. 28/3255 useless extension candidates. Maximal degree in co-relation 15963. Up to 2174 conditions per place. [2024-10-14 23:51:32,619 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 252 selfloop transitions, 89 changer transitions 0/343 dead transitions. [2024-10-14 23:51:32,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 343 transitions, 4228 flow [2024-10-14 23:51:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 23:51:32,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-14 23:51:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 339 transitions. [2024-10-14 23:51:32,621 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3210227272727273 [2024-10-14 23:51:32,622 INFO L175 Difference]: Start difference. First operand has 208 places, 215 transitions, 2841 flow. Second operand 24 states and 339 transitions. [2024-10-14 23:51:32,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 343 transitions, 4228 flow [2024-10-14 23:51:32,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 343 transitions, 3970 flow, removed 79 selfloop flow, removed 8 redundant places. [2024-10-14 23:51:32,757 INFO L231 Difference]: Finished difference. Result has 223 places, 244 transitions, 3269 flow [2024-10-14 23:51:32,757 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2687, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3269, PETRI_PLACES=223, PETRI_TRANSITIONS=244} [2024-10-14 23:51:32,758 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 178 predicate places. [2024-10-14 23:51:32,758 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 244 transitions, 3269 flow [2024-10-14 23:51:32,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:32,759 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:32,759 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:32,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 23:51:32,759 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:32,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:32,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1440492951, now seen corresponding path program 3 times [2024-10-14 23:51:32,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:32,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956247649] [2024-10-14 23:51:32,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:32,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:33,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:33,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956247649] [2024-10-14 23:51:33,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956247649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:33,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:33,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:33,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478565997] [2024-10-14 23:51:33,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:33,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:33,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:33,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:33,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:33,273 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:33,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 244 transitions, 3269 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:33,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:33,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:33,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:34,426 INFO L124 PetriNetUnfolderBase]: 1754/3307 cut-off events. [2024-10-14 23:51:34,426 INFO L125 PetriNetUnfolderBase]: For 30732/30742 co-relation queries the response was YES. [2024-10-14 23:51:34,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17092 conditions, 3307 events. 1754/3307 cut-off events. For 30732/30742 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 20833 event pairs, 403 based on Foata normal form. 28/3335 useless extension candidates. Maximal degree in co-relation 16199. Up to 1226 conditions per place. [2024-10-14 23:51:34,453 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 210 selfloop transitions, 138 changer transitions 8/358 dead transitions. [2024-10-14 23:51:34,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 358 transitions, 4540 flow [2024-10-14 23:51:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 23:51:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-14 23:51:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-10-14 23:51:34,457 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-10-14 23:51:34,458 INFO L175 Difference]: Start difference. First operand has 223 places, 244 transitions, 3269 flow. Second operand 24 states and 341 transitions. [2024-10-14 23:51:34,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 358 transitions, 4540 flow [2024-10-14 23:51:34,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 358 transitions, 4388 flow, removed 40 selfloop flow, removed 7 redundant places. [2024-10-14 23:51:34,605 INFO L231 Difference]: Finished difference. Result has 245 places, 254 transitions, 3712 flow [2024-10-14 23:51:34,606 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3141, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3712, PETRI_PLACES=245, PETRI_TRANSITIONS=254} [2024-10-14 23:51:34,606 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 200 predicate places. [2024-10-14 23:51:34,606 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 254 transitions, 3712 flow [2024-10-14 23:51:34,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:34,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:34,607 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:34,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 23:51:34,607 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:34,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:34,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166246, now seen corresponding path program 2 times [2024-10-14 23:51:34,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:34,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683268446] [2024-10-14 23:51:34,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:34,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:35,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:35,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683268446] [2024-10-14 23:51:35,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683268446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:35,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:35,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:35,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976534563] [2024-10-14 23:51:35,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:35,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:35,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:35,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:35,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:35,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 254 transitions, 3712 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:35,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:35,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:35,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:36,537 INFO L124 PetriNetUnfolderBase]: 1721/3271 cut-off events. [2024-10-14 23:51:36,538 INFO L125 PetriNetUnfolderBase]: For 37281/37291 co-relation queries the response was YES. [2024-10-14 23:51:36,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17559 conditions, 3271 events. 1721/3271 cut-off events. For 37281/37291 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20776 event pairs, 606 based on Foata normal form. 46/3317 useless extension candidates. Maximal degree in co-relation 17479. Up to 2184 conditions per place. [2024-10-14 23:51:36,567 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 247 selfloop transitions, 92 changer transitions 10/351 dead transitions. [2024-10-14 23:51:36,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 351 transitions, 4639 flow [2024-10-14 23:51:36,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 23:51:36,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-14 23:51:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 338 transitions. [2024-10-14 23:51:36,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32007575757575757 [2024-10-14 23:51:36,569 INFO L175 Difference]: Start difference. First operand has 245 places, 254 transitions, 3712 flow. Second operand 24 states and 338 transitions. [2024-10-14 23:51:36,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 351 transitions, 4639 flow [2024-10-14 23:51:36,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 351 transitions, 4488 flow, removed 8 selfloop flow, removed 18 redundant places. [2024-10-14 23:51:36,744 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 3755 flow [2024-10-14 23:51:36,744 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3497, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3755, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2024-10-14 23:51:36,744 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 207 predicate places. [2024-10-14 23:51:36,745 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 3755 flow [2024-10-14 23:51:36,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:36,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:36,745 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:36,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 23:51:36,745 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:36,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:36,746 INFO L85 PathProgramCache]: Analyzing trace with hash -78545848, now seen corresponding path program 3 times [2024-10-14 23:51:36,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:36,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797566108] [2024-10-14 23:51:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:36,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:37,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:37,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797566108] [2024-10-14 23:51:37,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797566108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:37,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:37,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:37,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040261530] [2024-10-14 23:51:37,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:37,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:37,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:37,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:37,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:37,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:37,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 3755 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:37,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:37,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:37,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:38,402 INFO L124 PetriNetUnfolderBase]: 1682/3230 cut-off events. [2024-10-14 23:51:38,402 INFO L125 PetriNetUnfolderBase]: For 38925/38935 co-relation queries the response was YES. [2024-10-14 23:51:38,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17875 conditions, 3230 events. 1682/3230 cut-off events. For 38925/38935 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 20577 event pairs, 394 based on Foata normal form. 32/3262 useless extension candidates. Maximal degree in co-relation 16910. Up to 1160 conditions per place. [2024-10-14 23:51:38,429 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 226 selfloop transitions, 120 changer transitions 15/363 dead transitions. [2024-10-14 23:51:38,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 4945 flow [2024-10-14 23:51:38,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 23:51:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-14 23:51:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-10-14 23:51:38,431 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-10-14 23:51:38,431 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 3755 flow. Second operand 24 states and 341 transitions. [2024-10-14 23:51:38,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 4945 flow [2024-10-14 23:51:38,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 363 transitions, 4739 flow, removed 30 selfloop flow, removed 19 redundant places. [2024-10-14 23:51:38,625 INFO L231 Difference]: Finished difference. Result has 257 places, 250 transitions, 3932 flow [2024-10-14 23:51:38,626 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3542, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3932, PETRI_PLACES=257, PETRI_TRANSITIONS=250} [2024-10-14 23:51:38,626 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 212 predicate places. [2024-10-14 23:51:38,626 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 250 transitions, 3932 flow [2024-10-14 23:51:38,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:38,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:38,627 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:38,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 23:51:38,627 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:38,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:38,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338218, now seen corresponding path program 4 times [2024-10-14 23:51:38,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:38,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758439683] [2024-10-14 23:51:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:38,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:39,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:39,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758439683] [2024-10-14 23:51:39,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758439683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:39,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:39,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:39,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021362239] [2024-10-14 23:51:39,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:39,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:39,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:39,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:39,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:39,164 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:39,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 250 transitions, 3932 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:39,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:39,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:39,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:40,496 INFO L124 PetriNetUnfolderBase]: 1760/3392 cut-off events. [2024-10-14 23:51:40,496 INFO L125 PetriNetUnfolderBase]: For 41560/41570 co-relation queries the response was YES. [2024-10-14 23:51:40,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18924 conditions, 3392 events. 1760/3392 cut-off events. For 41560/41570 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 21943 event pairs, 561 based on Foata normal form. 26/3418 useless extension candidates. Maximal degree in co-relation 18420. Up to 2328 conditions per place. [2024-10-14 23:51:40,532 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 279 selfloop transitions, 93 changer transitions 0/374 dead transitions. [2024-10-14 23:51:40,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 374 transitions, 5227 flow [2024-10-14 23:51:40,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 23:51:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-14 23:51:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 310 transitions. [2024-10-14 23:51:40,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3202479338842975 [2024-10-14 23:51:40,533 INFO L175 Difference]: Start difference. First operand has 257 places, 250 transitions, 3932 flow. Second operand 22 states and 310 transitions. [2024-10-14 23:51:40,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 374 transitions, 5227 flow [2024-10-14 23:51:40,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 374 transitions, 5029 flow, removed 12 selfloop flow, removed 19 redundant places. [2024-10-14 23:51:40,726 INFO L231 Difference]: Finished difference. Result has 269 places, 278 transitions, 4301 flow [2024-10-14 23:51:40,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3750, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=4301, PETRI_PLACES=269, PETRI_TRANSITIONS=278} [2024-10-14 23:51:40,727 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 224 predicate places. [2024-10-14 23:51:40,727 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 278 transitions, 4301 flow [2024-10-14 23:51:40,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:40,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:40,727 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:40,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 23:51:40,727 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:40,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:40,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657664, now seen corresponding path program 5 times [2024-10-14 23:51:40,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:40,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333311204] [2024-10-14 23:51:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:40,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:41,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:41,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333311204] [2024-10-14 23:51:41,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333311204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:41,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:41,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:41,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439331052] [2024-10-14 23:51:41,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:41,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:41,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:41,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:41,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:41,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:41,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 278 transitions, 4301 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:41,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:41,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:41,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:42,368 INFO L124 PetriNetUnfolderBase]: 1938/3727 cut-off events. [2024-10-14 23:51:42,369 INFO L125 PetriNetUnfolderBase]: For 48332/48342 co-relation queries the response was YES. [2024-10-14 23:51:42,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21622 conditions, 3727 events. 1938/3727 cut-off events. For 48332/48342 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 24675 event pairs, 411 based on Foata normal form. 28/3755 useless extension candidates. Maximal degree in co-relation 21116. Up to 1431 conditions per place. [2024-10-14 23:51:42,402 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 244 selfloop transitions, 162 changer transitions 10/418 dead transitions. [2024-10-14 23:51:42,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 418 transitions, 6163 flow [2024-10-14 23:51:42,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 23:51:42,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-14 23:51:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-10-14 23:51:42,403 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-10-14 23:51:42,403 INFO L175 Difference]: Start difference. First operand has 269 places, 278 transitions, 4301 flow. Second operand 23 states and 320 transitions. [2024-10-14 23:51:42,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 418 transitions, 6163 flow [2024-10-14 23:51:42,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 418 transitions, 5948 flow, removed 61 selfloop flow, removed 7 redundant places. [2024-10-14 23:51:42,629 INFO L231 Difference]: Finished difference. Result has 293 places, 308 transitions, 5118 flow [2024-10-14 23:51:42,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4126, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5118, PETRI_PLACES=293, PETRI_TRANSITIONS=308} [2024-10-14 23:51:42,630 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 248 predicate places. [2024-10-14 23:51:42,630 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 308 transitions, 5118 flow [2024-10-14 23:51:42,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:42,630 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:42,630 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:42,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 23:51:42,630 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:42,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:42,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657665, now seen corresponding path program 4 times [2024-10-14 23:51:42,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:42,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802407991] [2024-10-14 23:51:42,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:42,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:43,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:43,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802407991] [2024-10-14 23:51:43,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802407991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:43,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:43,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:43,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223192790] [2024-10-14 23:51:43,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:43,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:43,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:43,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:43,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:43,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:43,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 308 transitions, 5118 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:43,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:43,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:43,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:44,205 INFO L124 PetriNetUnfolderBase]: 1913/3692 cut-off events. [2024-10-14 23:51:44,206 INFO L125 PetriNetUnfolderBase]: For 59065/59075 co-relation queries the response was YES. [2024-10-14 23:51:44,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22788 conditions, 3692 events. 1913/3692 cut-off events. For 59065/59075 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 24464 event pairs, 448 based on Foata normal form. 28/3720 useless extension candidates. Maximal degree in co-relation 22258. Up to 1559 conditions per place. [2024-10-14 23:51:44,246 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 214 selfloop transitions, 168 changer transitions 17/401 dead transitions. [2024-10-14 23:51:44,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 401 transitions, 6385 flow [2024-10-14 23:51:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 23:51:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-14 23:51:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 310 transitions. [2024-10-14 23:51:44,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30632411067193677 [2024-10-14 23:51:44,248 INFO L175 Difference]: Start difference. First operand has 293 places, 308 transitions, 5118 flow. Second operand 23 states and 310 transitions. [2024-10-14 23:51:44,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 401 transitions, 6385 flow [2024-10-14 23:51:44,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 401 transitions, 6194 flow, removed 38 selfloop flow, removed 11 redundant places. [2024-10-14 23:51:44,556 INFO L231 Difference]: Finished difference. Result has 309 places, 314 transitions, 5489 flow [2024-10-14 23:51:44,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4915, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5489, PETRI_PLACES=309, PETRI_TRANSITIONS=314} [2024-10-14 23:51:44,556 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 264 predicate places. [2024-10-14 23:51:44,557 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 314 transitions, 5489 flow [2024-10-14 23:51:44,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:44,557 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:44,557 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:44,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 23:51:44,557 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:44,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:44,558 INFO L85 PathProgramCache]: Analyzing trace with hash 519916985, now seen corresponding path program 5 times [2024-10-14 23:51:44,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:44,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017613584] [2024-10-14 23:51:44,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:44,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:45,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:45,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017613584] [2024-10-14 23:51:45,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017613584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:45,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:45,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:45,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307815642] [2024-10-14 23:51:45,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:45,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:45,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:45,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:45,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:45,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:45,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 314 transitions, 5489 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:45,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:45,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:45,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:46,477 INFO L124 PetriNetUnfolderBase]: 1899/3662 cut-off events. [2024-10-14 23:51:46,477 INFO L125 PetriNetUnfolderBase]: For 64898/64908 co-relation queries the response was YES. [2024-10-14 23:51:46,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23040 conditions, 3662 events. 1899/3662 cut-off events. For 64898/64908 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 24247 event pairs, 426 based on Foata normal form. 28/3690 useless extension candidates. Maximal degree in co-relation 22564. Up to 1504 conditions per place. [2024-10-14 23:51:46,516 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 252 selfloop transitions, 156 changer transitions 5/415 dead transitions. [2024-10-14 23:51:46,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 415 transitions, 6757 flow [2024-10-14 23:51:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-14 23:51:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-10-14 23:51:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 347 transitions. [2024-10-14 23:51:46,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31545454545454543 [2024-10-14 23:51:46,519 INFO L175 Difference]: Start difference. First operand has 309 places, 314 transitions, 5489 flow. Second operand 25 states and 347 transitions. [2024-10-14 23:51:46,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 415 transitions, 6757 flow [2024-10-14 23:51:46,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 415 transitions, 6557 flow, removed 18 selfloop flow, removed 15 redundant places. [2024-10-14 23:51:46,894 INFO L231 Difference]: Finished difference. Result has 321 places, 318 transitions, 5829 flow [2024-10-14 23:51:46,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5247, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5829, PETRI_PLACES=321, PETRI_TRANSITIONS=318} [2024-10-14 23:51:46,895 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 276 predicate places. [2024-10-14 23:51:46,895 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 318 transitions, 5829 flow [2024-10-14 23:51:46,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:46,895 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:46,896 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:46,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 23:51:46,896 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:46,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:46,896 INFO L85 PathProgramCache]: Analyzing trace with hash 519916984, now seen corresponding path program 6 times [2024-10-14 23:51:46,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:46,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055585499] [2024-10-14 23:51:46,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:46,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:47,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:47,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055585499] [2024-10-14 23:51:47,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055585499] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:47,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:47,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:47,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106733473] [2024-10-14 23:51:47,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:47,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:47,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:47,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:47,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:47,349 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:47,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 318 transitions, 5829 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:47,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:47,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:47,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:48,777 INFO L124 PetriNetUnfolderBase]: 1877/3635 cut-off events. [2024-10-14 23:51:48,777 INFO L125 PetriNetUnfolderBase]: For 68882/68892 co-relation queries the response was YES. [2024-10-14 23:51:48,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23495 conditions, 3635 events. 1877/3635 cut-off events. For 68882/68892 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 24087 event pairs, 384 based on Foata normal form. 32/3667 useless extension candidates. Maximal degree in co-relation 23018. Up to 1353 conditions per place. [2024-10-14 23:51:48,809 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 275 selfloop transitions, 145 changer transitions 12/434 dead transitions. [2024-10-14 23:51:48,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 434 transitions, 7077 flow [2024-10-14 23:51:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-14 23:51:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-14 23:51:48,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 369 transitions. [2024-10-14 23:51:48,810 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32255244755244755 [2024-10-14 23:51:48,810 INFO L175 Difference]: Start difference. First operand has 321 places, 318 transitions, 5829 flow. Second operand 26 states and 369 transitions. [2024-10-14 23:51:48,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 434 transitions, 7077 flow [2024-10-14 23:51:49,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 434 transitions, 6820 flow, removed 28 selfloop flow, removed 20 redundant places. [2024-10-14 23:51:49,115 INFO L231 Difference]: Finished difference. Result has 329 places, 315 transitions, 5960 flow [2024-10-14 23:51:49,115 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5504, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=5960, PETRI_PLACES=329, PETRI_TRANSITIONS=315} [2024-10-14 23:51:49,115 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 284 predicate places. [2024-10-14 23:51:49,115 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 315 transitions, 5960 flow [2024-10-14 23:51:49,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:49,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:49,116 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:49,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 23:51:49,116 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:49,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:49,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338217, now seen corresponding path program 6 times [2024-10-14 23:51:49,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:49,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020761679] [2024-10-14 23:51:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:49,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:49,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:49,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020761679] [2024-10-14 23:51:49,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020761679] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:49,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:49,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:49,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375331194] [2024-10-14 23:51:49,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:49,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:49,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:49,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:49,598 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:49,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 315 transitions, 5960 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:49,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:49,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:49,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:51,017 INFO L124 PetriNetUnfolderBase]: 1816/3548 cut-off events. [2024-10-14 23:51:51,017 INFO L125 PetriNetUnfolderBase]: For 71022/71032 co-relation queries the response was YES. [2024-10-14 23:51:51,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23426 conditions, 3548 events. 1816/3548 cut-off events. For 71022/71032 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 23540 event pairs, 635 based on Foata normal form. 44/3592 useless extension candidates. Maximal degree in co-relation 23078. Up to 2500 conditions per place. [2024-10-14 23:51:51,054 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 287 selfloop transitions, 93 changer transitions 11/393 dead transitions. [2024-10-14 23:51:51,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 393 transitions, 6953 flow [2024-10-14 23:51:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 23:51:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-14 23:51:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 270 transitions. [2024-10-14 23:51:51,055 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229665071770335 [2024-10-14 23:51:51,055 INFO L175 Difference]: Start difference. First operand has 329 places, 315 transitions, 5960 flow. Second operand 19 states and 270 transitions. [2024-10-14 23:51:51,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 393 transitions, 6953 flow [2024-10-14 23:51:51,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 393 transitions, 6745 flow, removed 9 selfloop flow, removed 22 redundant places. [2024-10-14 23:51:51,351 INFO L231 Difference]: Finished difference. Result has 327 places, 309 transitions, 5885 flow [2024-10-14 23:51:51,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5712, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5885, PETRI_PLACES=327, PETRI_TRANSITIONS=309} [2024-10-14 23:51:51,352 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 282 predicate places. [2024-10-14 23:51:51,353 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 309 transitions, 5885 flow [2024-10-14 23:51:51,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:51,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:51,353 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:51,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 23:51:51,354 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:51,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:51,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2066189308, now seen corresponding path program 2 times [2024-10-14 23:51:51,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:51,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55821519] [2024-10-14 23:51:51,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:51,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:51,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55821519] [2024-10-14 23:51:51,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55821519] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:51,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:51,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 23:51:51,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998357186] [2024-10-14 23:51:51,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:51,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 23:51:51,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:51,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 23:51:51,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:51:51,749 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:51,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 309 transitions, 5885 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:51,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:51,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:51,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:52,861 INFO L124 PetriNetUnfolderBase]: 1854/3601 cut-off events. [2024-10-14 23:51:52,861 INFO L125 PetriNetUnfolderBase]: For 71085/71095 co-relation queries the response was YES. [2024-10-14 23:51:52,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23829 conditions, 3601 events. 1854/3601 cut-off events. For 71085/71095 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 23913 event pairs, 692 based on Foata normal form. 34/3635 useless extension candidates. Maximal degree in co-relation 23611. Up to 2701 conditions per place. [2024-10-14 23:51:52,896 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 276 selfloop transitions, 83 changer transitions 4/365 dead transitions. [2024-10-14 23:51:52,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 365 transitions, 7014 flow [2024-10-14 23:51:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 23:51:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-14 23:51:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 206 transitions. [2024-10-14 23:51:52,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31212121212121213 [2024-10-14 23:51:52,897 INFO L175 Difference]: Start difference. First operand has 327 places, 309 transitions, 5885 flow. Second operand 15 states and 206 transitions. [2024-10-14 23:51:52,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 365 transitions, 7014 flow [2024-10-14 23:51:53,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 365 transitions, 6816 flow, removed 6 selfloop flow, removed 19 redundant places. [2024-10-14 23:51:53,200 INFO L231 Difference]: Finished difference. Result has 323 places, 318 transitions, 6079 flow [2024-10-14 23:51:53,201 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5687, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6079, PETRI_PLACES=323, PETRI_TRANSITIONS=318} [2024-10-14 23:51:53,201 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 278 predicate places. [2024-10-14 23:51:53,201 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 318 transitions, 6079 flow [2024-10-14 23:51:53,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:53,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:53,201 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:53,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 23:51:53,202 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:53,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:53,202 INFO L85 PathProgramCache]: Analyzing trace with hash -407316663, now seen corresponding path program 2 times [2024-10-14 23:51:53,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:53,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990853308] [2024-10-14 23:51:53,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:53,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:53,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:53,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990853308] [2024-10-14 23:51:53,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990853308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:53,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:53,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:51:53,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614313177] [2024-10-14 23:51:53,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:53,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:51:53,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:53,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:51:53,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:51:53,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:53,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 318 transitions, 6079 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:53,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:53,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:53,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:54,476 INFO L124 PetriNetUnfolderBase]: 2043/4156 cut-off events. [2024-10-14 23:51:54,477 INFO L125 PetriNetUnfolderBase]: For 76960/76966 co-relation queries the response was YES. [2024-10-14 23:51:54,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26712 conditions, 4156 events. 2043/4156 cut-off events. For 76960/76966 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 30599 event pairs, 390 based on Foata normal form. 40/4196 useless extension candidates. Maximal degree in co-relation 26262. Up to 1483 conditions per place. [2024-10-14 23:51:54,510 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 354 selfloop transitions, 139 changer transitions 0/495 dead transitions. [2024-10-14 23:51:54,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 495 transitions, 9808 flow [2024-10-14 23:51:54,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 23:51:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-14 23:51:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 201 transitions. [2024-10-14 23:51:54,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3806818181818182 [2024-10-14 23:51:54,511 INFO L175 Difference]: Start difference. First operand has 323 places, 318 transitions, 6079 flow. Second operand 12 states and 201 transitions. [2024-10-14 23:51:54,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 495 transitions, 9808 flow [2024-10-14 23:51:54,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 495 transitions, 9659 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-10-14 23:51:54,820 INFO L231 Difference]: Finished difference. Result has 332 places, 357 transitions, 7005 flow [2024-10-14 23:51:54,821 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5857, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7005, PETRI_PLACES=332, PETRI_TRANSITIONS=357} [2024-10-14 23:51:54,822 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 287 predicate places. [2024-10-14 23:51:54,822 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 357 transitions, 7005 flow [2024-10-14 23:51:54,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:54,822 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:54,822 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:54,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 23:51:54,823 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:54,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:54,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1896540771, now seen corresponding path program 7 times [2024-10-14 23:51:54,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:54,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644495602] [2024-10-14 23:51:54,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:54,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:55,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:55,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644495602] [2024-10-14 23:51:55,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644495602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:55,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:55,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:51:55,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838954643] [2024-10-14 23:51:55,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:55,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:51:55,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:55,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:51:55,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:51:55,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:55,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 357 transitions, 7005 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:55,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:55,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:55,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:56,898 INFO L124 PetriNetUnfolderBase]: 2311/4660 cut-off events. [2024-10-14 23:51:56,898 INFO L125 PetriNetUnfolderBase]: For 96661/96667 co-relation queries the response was YES. [2024-10-14 23:51:56,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31988 conditions, 4660 events. 2311/4660 cut-off events. For 96661/96667 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 34354 event pairs, 715 based on Foata normal form. 96/4756 useless extension candidates. Maximal degree in co-relation 31442. Up to 2389 conditions per place. [2024-10-14 23:51:56,948 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 365 selfloop transitions, 129 changer transitions 9/505 dead transitions. [2024-10-14 23:51:56,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 505 transitions, 9658 flow [2024-10-14 23:51:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 23:51:56,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-14 23:51:56,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 330 transitions. [2024-10-14 23:51:56,950 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3125 [2024-10-14 23:51:56,950 INFO L175 Difference]: Start difference. First operand has 332 places, 357 transitions, 7005 flow. Second operand 24 states and 330 transitions. [2024-10-14 23:51:56,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 505 transitions, 9658 flow [2024-10-14 23:51:57,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 505 transitions, 9589 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-10-14 23:51:57,426 INFO L231 Difference]: Finished difference. Result has 356 places, 376 transitions, 7827 flow [2024-10-14 23:51:57,426 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6936, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7827, PETRI_PLACES=356, PETRI_TRANSITIONS=376} [2024-10-14 23:51:57,426 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 311 predicate places. [2024-10-14 23:51:57,426 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 376 transitions, 7827 flow [2024-10-14 23:51:57,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:57,427 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:57,427 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:57,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 23:51:57,427 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:51:57,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:57,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1923729685, now seen corresponding path program 3 times [2024-10-14 23:51:57,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:57,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364342950] [2024-10-14 23:51:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:57,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:57,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:57,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364342950] [2024-10-14 23:51:57,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364342950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:57,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:57,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 23:51:57,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352888251] [2024-10-14 23:51:57,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:57,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 23:51:57,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:57,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 23:51:57,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:51:57,796 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:51:57,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 376 transitions, 7827 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:51:57,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:57,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:51:57,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:59,511 INFO L124 PetriNetUnfolderBase]: 2262/4571 cut-off events. [2024-10-14 23:51:59,512 INFO L125 PetriNetUnfolderBase]: For 102715/102721 co-relation queries the response was YES. [2024-10-14 23:51:59,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32452 conditions, 4571 events. 2262/4571 cut-off events. For 102715/102721 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 33469 event pairs, 787 based on Foata normal form. 30/4599 useless extension candidates. Maximal degree in co-relation 31969. Up to 3133 conditions per place. [2024-10-14 23:51:59,574 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 265 selfloop transitions, 132 changer transitions 56/455 dead transitions. [2024-10-14 23:51:59,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 455 transitions, 9284 flow [2024-10-14 23:51:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-14 23:51:59,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-14 23:51:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 320 transitions. [2024-10-14 23:51:59,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27972027972027974 [2024-10-14 23:51:59,576 INFO L175 Difference]: Start difference. First operand has 356 places, 376 transitions, 7827 flow. Second operand 26 states and 320 transitions. [2024-10-14 23:51:59,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 455 transitions, 9284 flow [2024-10-14 23:52:00,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 455 transitions, 9008 flow, removed 27 selfloop flow, removed 14 redundant places. [2024-10-14 23:52:00,175 INFO L231 Difference]: Finished difference. Result has 366 places, 353 transitions, 7284 flow [2024-10-14 23:52:00,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7519, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7284, PETRI_PLACES=366, PETRI_TRANSITIONS=353} [2024-10-14 23:52:00,176 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 321 predicate places. [2024-10-14 23:52:00,176 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 353 transitions, 7284 flow [2024-10-14 23:52:00,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:00,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:00,176 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:00,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 23:52:00,177 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:00,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:00,177 INFO L85 PathProgramCache]: Analyzing trace with hash -644506552, now seen corresponding path program 7 times [2024-10-14 23:52:00,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:00,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367171541] [2024-10-14 23:52:00,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:00,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:00,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:00,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367171541] [2024-10-14 23:52:00,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367171541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:00,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:00,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:52:00,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64752414] [2024-10-14 23:52:00,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:00,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:52:00,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:52:00,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:52:00,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:00,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 353 transitions, 7284 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:00,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:00,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:00,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:02,039 INFO L124 PetriNetUnfolderBase]: 2012/4169 cut-off events. [2024-10-14 23:52:02,040 INFO L125 PetriNetUnfolderBase]: For 90445/90447 co-relation queries the response was YES. [2024-10-14 23:52:02,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27801 conditions, 4169 events. 2012/4169 cut-off events. For 90445/90447 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 30816 event pairs, 617 based on Foata normal form. 116/4285 useless extension candidates. Maximal degree in co-relation 27319. Up to 2231 conditions per place. [2024-10-14 23:52:02,083 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 340 selfloop transitions, 118 changer transitions 15/475 dead transitions. [2024-10-14 23:52:02,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 475 transitions, 9184 flow [2024-10-14 23:52:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 23:52:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-14 23:52:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-10-14 23:52:02,085 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-10-14 23:52:02,085 INFO L175 Difference]: Start difference. First operand has 366 places, 353 transitions, 7284 flow. Second operand 23 states and 320 transitions. [2024-10-14 23:52:02,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 475 transitions, 9184 flow [2024-10-14 23:52:02,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 475 transitions, 8901 flow, removed 39 selfloop flow, removed 19 redundant places. [2024-10-14 23:52:02,465 INFO L231 Difference]: Finished difference. Result has 362 places, 350 transitions, 7301 flow [2024-10-14 23:52:02,465 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6945, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7301, PETRI_PLACES=362, PETRI_TRANSITIONS=350} [2024-10-14 23:52:02,466 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 317 predicate places. [2024-10-14 23:52:02,466 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 350 transitions, 7301 flow [2024-10-14 23:52:02,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:02,466 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:02,466 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:02,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 23:52:02,467 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:02,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:02,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830186, now seen corresponding path program 3 times [2024-10-14 23:52:02,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:02,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69553659] [2024-10-14 23:52:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:02,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:02,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:02,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69553659] [2024-10-14 23:52:02,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69553659] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:02,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:02,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 23:52:02,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8176871] [2024-10-14 23:52:02,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:02,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:52:02,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:02,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:52:02,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:52:02,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:02,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 350 transitions, 7301 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:02,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:02,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:02,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:03,882 INFO L124 PetriNetUnfolderBase]: 2272/4704 cut-off events. [2024-10-14 23:52:03,882 INFO L125 PetriNetUnfolderBase]: For 91966/91968 co-relation queries the response was YES. [2024-10-14 23:52:03,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32029 conditions, 4704 events. 2272/4704 cut-off events. For 91966/91968 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 35623 event pairs, 843 based on Foata normal form. 26/4730 useless extension candidates. Maximal degree in co-relation 31589. Up to 1040 conditions per place. [2024-10-14 23:52:03,940 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 285 selfloop transitions, 177 changer transitions 0/464 dead transitions. [2024-10-14 23:52:03,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 464 transitions, 9234 flow [2024-10-14 23:52:03,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 23:52:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-14 23:52:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 303 transitions. [2024-10-14 23:52:03,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3443181818181818 [2024-10-14 23:52:03,941 INFO L175 Difference]: Start difference. First operand has 362 places, 350 transitions, 7301 flow. Second operand 20 states and 303 transitions. [2024-10-14 23:52:03,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 464 transitions, 9234 flow [2024-10-14 23:52:04,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 464 transitions, 9050 flow, removed 16 selfloop flow, removed 16 redundant places. [2024-10-14 23:52:04,471 INFO L231 Difference]: Finished difference. Result has 369 places, 370 transitions, 7922 flow [2024-10-14 23:52:04,471 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7135, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7922, PETRI_PLACES=369, PETRI_TRANSITIONS=370} [2024-10-14 23:52:04,472 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 324 predicate places. [2024-10-14 23:52:04,472 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 370 transitions, 7922 flow [2024-10-14 23:52:04,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:04,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:04,472 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:04,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 23:52:04,473 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:04,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:04,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830187, now seen corresponding path program 4 times [2024-10-14 23:52:04,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:04,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709291671] [2024-10-14 23:52:04,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:04,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:04,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:04,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709291671] [2024-10-14 23:52:04,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709291671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:04,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:04,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:52:04,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609335230] [2024-10-14 23:52:04,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:04,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:52:04,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:04,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:52:04,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:52:04,661 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:04,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 370 transitions, 7922 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:04,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:04,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:04,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:05,683 INFO L124 PetriNetUnfolderBase]: 2107/4382 cut-off events. [2024-10-14 23:52:05,683 INFO L125 PetriNetUnfolderBase]: For 82113/82115 co-relation queries the response was YES. [2024-10-14 23:52:05,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29678 conditions, 4382 events. 2107/4382 cut-off events. For 82113/82115 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 33331 event pairs, 556 based on Foata normal form. 38/4420 useless extension candidates. Maximal degree in co-relation 29167. Up to 1362 conditions per place. [2024-10-14 23:52:05,737 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 312 selfloop transitions, 160 changer transitions 0/474 dead transitions. [2024-10-14 23:52:05,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 474 transitions, 10645 flow [2024-10-14 23:52:05,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 23:52:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-14 23:52:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 206 transitions. [2024-10-14 23:52:05,738 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39015151515151514 [2024-10-14 23:52:05,739 INFO L175 Difference]: Start difference. First operand has 369 places, 370 transitions, 7922 flow. Second operand 12 states and 206 transitions. [2024-10-14 23:52:05,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 474 transitions, 10645 flow [2024-10-14 23:52:06,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 474 transitions, 10299 flow, removed 68 selfloop flow, removed 14 redundant places. [2024-10-14 23:52:06,124 INFO L231 Difference]: Finished difference. Result has 372 places, 404 transitions, 8842 flow [2024-10-14 23:52:06,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7454, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8842, PETRI_PLACES=372, PETRI_TRANSITIONS=404} [2024-10-14 23:52:06,125 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 327 predicate places. [2024-10-14 23:52:06,125 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 404 transitions, 8842 flow [2024-10-14 23:52:06,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:06,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:06,125 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:06,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 23:52:06,126 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:06,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:06,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1312180764, now seen corresponding path program 8 times [2024-10-14 23:52:06,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:06,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184277162] [2024-10-14 23:52:06,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:06,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:06,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:06,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184277162] [2024-10-14 23:52:06,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184277162] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:06,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:06,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:52:06,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933129932] [2024-10-14 23:52:06,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:06,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:52:06,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:06,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:52:06,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:52:06,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:06,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 404 transitions, 8842 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:06,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:06,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:06,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:07,913 INFO L124 PetriNetUnfolderBase]: 2007/4222 cut-off events. [2024-10-14 23:52:07,913 INFO L125 PetriNetUnfolderBase]: For 83401/83403 co-relation queries the response was YES. [2024-10-14 23:52:07,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28751 conditions, 4222 events. 2007/4222 cut-off events. For 83401/83403 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 31851 event pairs, 547 based on Foata normal form. 92/4312 useless extension candidates. Maximal degree in co-relation 28381. Up to 2173 conditions per place. [2024-10-14 23:52:07,966 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 407 selfloop transitions, 112 changer transitions 0/521 dead transitions. [2024-10-14 23:52:07,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 521 transitions, 11140 flow [2024-10-14 23:52:07,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 23:52:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-14 23:52:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 275 transitions. [2024-10-14 23:52:07,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3125 [2024-10-14 23:52:07,968 INFO L175 Difference]: Start difference. First operand has 372 places, 404 transitions, 8842 flow. Second operand 20 states and 275 transitions. [2024-10-14 23:52:07,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 521 transitions, 11140 flow [2024-10-14 23:52:08,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 521 transitions, 11085 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-10-14 23:52:08,358 INFO L231 Difference]: Finished difference. Result has 393 places, 411 transitions, 9341 flow [2024-10-14 23:52:08,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8757, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=9341, PETRI_PLACES=393, PETRI_TRANSITIONS=411} [2024-10-14 23:52:08,359 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 348 predicate places. [2024-10-14 23:52:08,359 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 411 transitions, 9341 flow [2024-10-14 23:52:08,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:08,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:08,360 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:08,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 23:52:08,360 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:08,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:08,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1258730295, now seen corresponding path program 5 times [2024-10-14 23:52:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:08,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956519329] [2024-10-14 23:52:08,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:08,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:08,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:08,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956519329] [2024-10-14 23:52:08,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956519329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:08,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:08,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:52:08,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507679959] [2024-10-14 23:52:08,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:08,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:52:08,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:08,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:52:08,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:52:08,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:08,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 411 transitions, 9341 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:08,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:08,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:08,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:09,612 INFO L124 PetriNetUnfolderBase]: 1714/3649 cut-off events. [2024-10-14 23:52:09,612 INFO L125 PetriNetUnfolderBase]: For 72119/72121 co-relation queries the response was YES. [2024-10-14 23:52:09,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25343 conditions, 3649 events. 1714/3649 cut-off events. For 72119/72121 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 27047 event pairs, 564 based on Foata normal form. 48/3697 useless extension candidates. Maximal degree in co-relation 24968. Up to 1204 conditions per place. [2024-10-14 23:52:09,648 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 297 selfloop transitions, 138 changer transitions 0/437 dead transitions. [2024-10-14 23:52:09,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 437 transitions, 9794 flow [2024-10-14 23:52:09,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 23:52:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-14 23:52:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 228 transitions. [2024-10-14 23:52:09,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4318181818181818 [2024-10-14 23:52:09,649 INFO L175 Difference]: Start difference. First operand has 393 places, 411 transitions, 9341 flow. Second operand 12 states and 228 transitions. [2024-10-14 23:52:09,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 437 transitions, 9794 flow [2024-10-14 23:52:09,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 437 transitions, 9341 flow, removed 88 selfloop flow, removed 19 redundant places. [2024-10-14 23:52:09,974 INFO L231 Difference]: Finished difference. Result has 388 places, 375 transitions, 8346 flow [2024-10-14 23:52:09,974 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7918, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8346, PETRI_PLACES=388, PETRI_TRANSITIONS=375} [2024-10-14 23:52:09,974 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 343 predicate places. [2024-10-14 23:52:09,974 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 375 transitions, 8346 flow [2024-10-14 23:52:09,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:09,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:09,975 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:09,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 23:52:09,975 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:09,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:09,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1517259303, now seen corresponding path program 8 times [2024-10-14 23:52:09,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:09,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692132812] [2024-10-14 23:52:09,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:09,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:10,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:10,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692132812] [2024-10-14 23:52:10,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692132812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:10,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:10,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:52:10,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718170978] [2024-10-14 23:52:10,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:10,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:52:10,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:10,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:52:10,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:52:10,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:10,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 375 transitions, 8346 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:10,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:10,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:10,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:11,546 INFO L124 PetriNetUnfolderBase]: 1618/3523 cut-off events. [2024-10-14 23:52:11,547 INFO L125 PetriNetUnfolderBase]: For 61140/61142 co-relation queries the response was YES. [2024-10-14 23:52:11,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23067 conditions, 3523 events. 1618/3523 cut-off events. For 61140/61142 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 26254 event pairs, 570 based on Foata normal form. 92/3613 useless extension candidates. Maximal degree in co-relation 22768. Up to 2255 conditions per place. [2024-10-14 23:52:11,586 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 360 selfloop transitions, 88 changer transitions 16/466 dead transitions. [2024-10-14 23:52:11,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 466 transitions, 10199 flow [2024-10-14 23:52:11,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 23:52:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-14 23:52:11,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 254 transitions. [2024-10-14 23:52:11,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3038277511961722 [2024-10-14 23:52:11,587 INFO L175 Difference]: Start difference. First operand has 388 places, 375 transitions, 8346 flow. Second operand 19 states and 254 transitions. [2024-10-14 23:52:11,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 466 transitions, 10199 flow [2024-10-14 23:52:11,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 466 transitions, 9925 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-10-14 23:52:11,916 INFO L231 Difference]: Finished difference. Result has 400 places, 368 transitions, 8208 flow [2024-10-14 23:52:11,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8030, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8208, PETRI_PLACES=400, PETRI_TRANSITIONS=368} [2024-10-14 23:52:11,917 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 355 predicate places. [2024-10-14 23:52:11,918 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 368 transitions, 8208 flow [2024-10-14 23:52:11,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:11,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:11,918 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:11,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 23:52:11,926 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:11,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash -877752948, now seen corresponding path program 1 times [2024-10-14 23:52:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:11,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322051145] [2024-10-14 23:52:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:12,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:12,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322051145] [2024-10-14 23:52:12,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322051145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:12,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:12,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:52:12,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179259761] [2024-10-14 23:52:12,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:12,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:52:12,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:12,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:52:12,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:52:12,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:12,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 368 transitions, 8208 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:12,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:12,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:12,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:13,791 INFO L124 PetriNetUnfolderBase]: 1579/3444 cut-off events. [2024-10-14 23:52:13,791 INFO L125 PetriNetUnfolderBase]: For 58068/58070 co-relation queries the response was YES. [2024-10-14 23:52:13,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22831 conditions, 3444 events. 1579/3444 cut-off events. For 58068/58070 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 25651 event pairs, 591 based on Foata normal form. 10/3452 useless extension candidates. Maximal degree in co-relation 22431. Up to 2736 conditions per place. [2024-10-14 23:52:13,830 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 340 selfloop transitions, 71 changer transitions 0/413 dead transitions. [2024-10-14 23:52:13,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 413 transitions, 9406 flow [2024-10-14 23:52:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 23:52:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-14 23:52:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 176 transitions. [2024-10-14 23:52:13,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-10-14 23:52:13,831 INFO L175 Difference]: Start difference. First operand has 400 places, 368 transitions, 8208 flow. Second operand 14 states and 176 transitions. [2024-10-14 23:52:13,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 413 transitions, 9406 flow [2024-10-14 23:52:14,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 413 transitions, 9231 flow, removed 4 selfloop flow, removed 19 redundant places. [2024-10-14 23:52:14,268 INFO L231 Difference]: Finished difference. Result has 395 places, 371 transitions, 8268 flow [2024-10-14 23:52:14,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8033, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8268, PETRI_PLACES=395, PETRI_TRANSITIONS=371} [2024-10-14 23:52:14,269 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 350 predicate places. [2024-10-14 23:52:14,271 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 371 transitions, 8268 flow [2024-10-14 23:52:14,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:14,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:14,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:14,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 23:52:14,272 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:14,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:14,272 INFO L85 PathProgramCache]: Analyzing trace with hash -2018172101, now seen corresponding path program 1 times [2024-10-14 23:52:14,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:14,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996767276] [2024-10-14 23:52:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:14,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:14,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996767276] [2024-10-14 23:52:14,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996767276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:14,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:14,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:52:14,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532725581] [2024-10-14 23:52:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:14,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:52:14,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:14,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:52:14,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:52:14,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:14,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 371 transitions, 8268 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:14,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:14,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:14,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:15,894 INFO L124 PetriNetUnfolderBase]: 1569/3436 cut-off events. [2024-10-14 23:52:15,895 INFO L125 PetriNetUnfolderBase]: For 56587/56589 co-relation queries the response was YES. [2024-10-14 23:52:15,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22671 conditions, 3436 events. 1569/3436 cut-off events. For 56587/56589 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 25539 event pairs, 566 based on Foata normal form. 10/3446 useless extension candidates. Maximal degree in co-relation 22346. Up to 2393 conditions per place. [2024-10-14 23:52:15,929 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 271 selfloop transitions, 119 changer transitions 32/424 dead transitions. [2024-10-14 23:52:15,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 424 transitions, 9342 flow [2024-10-14 23:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 23:52:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-14 23:52:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 296 transitions. [2024-10-14 23:52:15,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2803030303030303 [2024-10-14 23:52:15,931 INFO L175 Difference]: Start difference. First operand has 395 places, 371 transitions, 8268 flow. Second operand 24 states and 296 transitions. [2024-10-14 23:52:15,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 424 transitions, 9342 flow [2024-10-14 23:52:16,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 424 transitions, 9122 flow, removed 10 selfloop flow, removed 11 redundant places. [2024-10-14 23:52:16,259 INFO L231 Difference]: Finished difference. Result has 407 places, 349 transitions, 7751 flow [2024-10-14 23:52:16,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7975, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7751, PETRI_PLACES=407, PETRI_TRANSITIONS=349} [2024-10-14 23:52:16,260 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 362 predicate places. [2024-10-14 23:52:16,260 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 349 transitions, 7751 flow [2024-10-14 23:52:16,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:16,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:16,261 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:16,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-14 23:52:16,261 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:16,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:16,262 INFO L85 PathProgramCache]: Analyzing trace with hash -889051222, now seen corresponding path program 2 times [2024-10-14 23:52:16,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:16,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070107914] [2024-10-14 23:52:16,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:16,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:16,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:16,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070107914] [2024-10-14 23:52:16,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070107914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:16,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:16,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:52:16,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477745807] [2024-10-14 23:52:16,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:16,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:52:16,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:16,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:52:16,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:52:16,771 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-14 23:52:16,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 349 transitions, 7751 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:16,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:16,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-14 23:52:16,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:17,832 INFO L124 PetriNetUnfolderBase]: 1509/3306 cut-off events. [2024-10-14 23:52:17,832 INFO L125 PetriNetUnfolderBase]: For 54323/54325 co-relation queries the response was YES. [2024-10-14 23:52:17,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21792 conditions, 3306 events. 1509/3306 cut-off events. For 54323/54325 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 24469 event pairs, 580 based on Foata normal form. 10/3314 useless extension candidates. Maximal degree in co-relation 21689. Up to 2736 conditions per place. [2024-10-14 23:52:17,869 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 326 selfloop transitions, 63 changer transitions 2/393 dead transitions. [2024-10-14 23:52:17,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 393 transitions, 8793 flow [2024-10-14 23:52:17,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 23:52:17,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-14 23:52:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 203 transitions. [2024-10-14 23:52:17,871 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2713903743315508 [2024-10-14 23:52:17,871 INFO L175 Difference]: Start difference. First operand has 407 places, 349 transitions, 7751 flow. Second operand 17 states and 203 transitions. [2024-10-14 23:52:17,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 393 transitions, 8793 flow [2024-10-14 23:52:18,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 393 transitions, 8362 flow, removed 33 selfloop flow, removed 28 redundant places. [2024-10-14 23:52:18,167 INFO L231 Difference]: Finished difference. Result has 386 places, 348 transitions, 7425 flow [2024-10-14 23:52:18,168 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7299, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7425, PETRI_PLACES=386, PETRI_TRANSITIONS=348} [2024-10-14 23:52:18,168 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 341 predicate places. [2024-10-14 23:52:18,168 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 348 transitions, 7425 flow [2024-10-14 23:52:18,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:52:18,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:18,169 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:18,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 23:52:18,169 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-14 23:52:18,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:18,169 INFO L85 PathProgramCache]: Analyzing trace with hash -877752947, now seen corresponding path program 2 times [2024-10-14 23:52:18,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:18,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974156803] [2024-10-14 23:52:18,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:18,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat