./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:29:50,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:29:50,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:29:50,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:29:50,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:29:50,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:29:50,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:29:50,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:29:50,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:29:50,104 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:29:50,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:29:50,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:29:50,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:29:50,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:29:50,105 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:29:50,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:29:50,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:29:50,105 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:29:50,106 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:29:50,106 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:29:50,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:29:50,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:29:50,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:29:50,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:29:50,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:29:50,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:29:50,108 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-09 06:29:50,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:29:50,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:29:50,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:29:50,363 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:29:50,363 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:29:50,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2025-03-09 06:29:51,578 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb9150cd6/7b17293a77774e84a8aa1b1c87e2bb49/FLAG9dae149ce [2025-03-09 06:29:51,905 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:29:51,906 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2025-03-09 06:29:51,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb9150cd6/7b17293a77774e84a8aa1b1c87e2bb49/FLAG9dae149ce [2025-03-09 06:29:51,958 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb9150cd6/7b17293a77774e84a8aa1b1c87e2bb49 [2025-03-09 06:29:51,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:29:51,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:29:51,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:29:51,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:29:51,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:29:51,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:29:51" (1/1) ... [2025-03-09 06:29:51,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3f5dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:51, skipping insertion in model container [2025-03-09 06:29:51,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:29:51" (1/1) ... [2025-03-09 06:29:52,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:29:52,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:29:52,283 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:29:52,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:29:52,361 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:29:52,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52 WrapperNode [2025-03-09 06:29:52,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:29:52,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:29:52,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:29:52,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:29:52,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,413 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2025-03-09 06:29:52,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:29:52,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:29:52,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:29:52,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:29:52,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,427 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,451 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]. [2025-03-09 06:29:52,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,466 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:29:52,479 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:29:52,479 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:29:52,480 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:29:52,480 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:29:52,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:29:52,511 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) [2025-03-09 06:29:52,516 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 [2025-03-09 06:29:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-09 06:29:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-09 06:29:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-09 06:29:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:29:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-09 06:29:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:29:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:29:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:29:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:29:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:29:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:29:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:29:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:29:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:29:52,539 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 06:29:52,752 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:29:52,753 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:29:52,991 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 06:29:52,992 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:29:53,149 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:29:53,149 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:29:53,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:53 BoogieIcfgContainer [2025-03-09 06:29:53,149 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:29:53,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:29:53,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:29:53,154 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:29:53,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:29:51" (1/3) ... [2025-03-09 06:29:53,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc7d02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:29:53, skipping insertion in model container [2025-03-09 06:29:53,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (2/3) ... [2025-03-09 06:29:53,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc7d02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:29:53, skipping insertion in model container [2025-03-09 06:29:53,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:53" (3/3) ... [2025-03-09 06:29:53,156 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2025-03-09 06:29:53,167 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:29:53,168 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_5-container_of.i that has 2 procedures, 31 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-09 06:29:53,168 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 06:29:53,205 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-09 06:29:53,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2025-03-09 06:29:53,265 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2025-03-09 06:29:53,266 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-09 06:29:53,269 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. [2025-03-09 06:29:53,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2025-03-09 06:29:53,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2025-03-09 06:29:53,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:29:53,289 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;@2496979b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:29:53,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-09 06:29:53,299 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:29:53,300 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-09 06:29:53,300 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:29:53,300 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:53,300 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:53,301 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:53,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:53,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1873702075, now seen corresponding path program 1 times [2025-03-09 06:29:53,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:53,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585159897] [2025-03-09 06:29:53,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:53,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:53,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 06:29:53,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 06:29:53,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:53,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:54,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:54,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585159897] [2025-03-09 06:29:54,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585159897] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:54,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:54,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:54,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915121860] [2025-03-09 06:29:54,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:54,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:54,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:54,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:54,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:54,156 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:54,158 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) [2025-03-09 06:29:54,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:54,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:54,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:54,891 INFO L124 PetriNetUnfolderBase]: 1323/2274 cut-off events. [2025-03-09 06:29:54,892 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-03-09 06:29:54,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4550 conditions, 2274 events. 1323/2274 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 12271 event pairs, 178 based on Foata normal form. 0/1996 useless extension candidates. Maximal degree in co-relation 4448. Up to 764 conditions per place. [2025-03-09 06:29:54,914 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 116 selfloop transitions, 20 changer transitions 25/164 dead transitions. [2025-03-09 06:29:54,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 164 transitions, 674 flow [2025-03-09 06:29:54,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:29:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:29:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 230 transitions. [2025-03-09 06:29:54,928 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47520661157024796 [2025-03-09 06:29:54,929 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 11 states and 230 transitions. [2025-03-09 06:29:54,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 164 transitions, 674 flow [2025-03-09 06:29:54,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 164 transitions, 661 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-09 06:29:54,943 INFO L231 Difference]: Finished difference. Result has 56 places, 59 transitions, 208 flow [2025-03-09 06:29:54,945 INFO L262 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=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=59} [2025-03-09 06:29:54,947 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2025-03-09 06:29:54,949 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 59 transitions, 208 flow [2025-03-09 06:29:54,949 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) [2025-03-09 06:29:54,949 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:54,949 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:54,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:29:54,950 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:54,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:54,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1873702076, now seen corresponding path program 1 times [2025-03-09 06:29:54,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:54,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059735190] [2025-03-09 06:29:54,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:54,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:54,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 06:29:54,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 06:29:54,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:54,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:55,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:55,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059735190] [2025-03-09 06:29:55,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059735190] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:55,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:55,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:55,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303903429] [2025-03-09 06:29:55,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:55,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:55,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:55,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:55,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:55,279 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:55,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 59 transitions, 208 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) [2025-03-09 06:29:55,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:55,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:55,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:55,740 INFO L124 PetriNetUnfolderBase]: 1691/2971 cut-off events. [2025-03-09 06:29:55,741 INFO L125 PetriNetUnfolderBase]: For 1087/1087 co-relation queries the response was YES. [2025-03-09 06:29:55,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7019 conditions, 2971 events. 1691/2971 cut-off events. For 1087/1087 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 17158 event pairs, 648 based on Foata normal form. 82/2933 useless extension candidates. Maximal degree in co-relation 6917. Up to 1544 conditions per place. [2025-03-09 06:29:55,754 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 118 selfloop transitions, 21 changer transitions 5/147 dead transitions. [2025-03-09 06:29:55,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 147 transitions, 768 flow [2025-03-09 06:29:55,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:29:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:29:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 173 transitions. [2025-03-09 06:29:55,757 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3931818181818182 [2025-03-09 06:29:55,757 INFO L175 Difference]: Start difference. First operand has 56 places, 59 transitions, 208 flow. Second operand 10 states and 173 transitions. [2025-03-09 06:29:55,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 147 transitions, 768 flow [2025-03-09 06:29:55,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 147 transitions, 766 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:55,768 INFO L231 Difference]: Finished difference. Result has 71 places, 78 transitions, 384 flow [2025-03-09 06:29:55,769 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=384, PETRI_PLACES=71, PETRI_TRANSITIONS=78} [2025-03-09 06:29:55,769 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 26 predicate places. [2025-03-09 06:29:55,769 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 78 transitions, 384 flow [2025-03-09 06:29:55,770 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) [2025-03-09 06:29:55,770 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:55,770 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:55,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 06:29:55,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:55,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:55,772 INFO L85 PathProgramCache]: Analyzing trace with hash -26423826, now seen corresponding path program 1 times [2025-03-09 06:29:55,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:55,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995900080] [2025-03-09 06:29:55,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:55,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:55,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:55,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:55,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:55,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:56,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:56,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995900080] [2025-03-09 06:29:56,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995900080] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:56,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:56,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:56,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221942697] [2025-03-09 06:29:56,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:56,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:56,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:56,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:56,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:56,052 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:56,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 78 transitions, 384 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) [2025-03-09 06:29:56,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:56,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:56,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:56,755 INFO L124 PetriNetUnfolderBase]: 2201/3941 cut-off events. [2025-03-09 06:29:56,755 INFO L125 PetriNetUnfolderBase]: For 3061/3063 co-relation queries the response was YES. [2025-03-09 06:29:56,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10121 conditions, 3941 events. 2201/3941 cut-off events. For 3061/3063 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 25092 event pairs, 688 based on Foata normal form. 2/3851 useless extension candidates. Maximal degree in co-relation 9661. Up to 1626 conditions per place. [2025-03-09 06:29:56,782 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 157 selfloop transitions, 43 changer transitions 24/227 dead transitions. [2025-03-09 06:29:56,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 227 transitions, 1560 flow [2025-03-09 06:29:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:29:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:29:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 221 transitions. [2025-03-09 06:29:56,787 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45661157024793386 [2025-03-09 06:29:56,787 INFO L175 Difference]: Start difference. First operand has 71 places, 78 transitions, 384 flow. Second operand 11 states and 221 transitions. [2025-03-09 06:29:56,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 227 transitions, 1560 flow [2025-03-09 06:29:56,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 227 transitions, 1558 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:56,804 INFO L231 Difference]: Finished difference. Result has 86 places, 113 transitions, 752 flow [2025-03-09 06:29:56,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=752, PETRI_PLACES=86, PETRI_TRANSITIONS=113} [2025-03-09 06:29:56,805 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 41 predicate places. [2025-03-09 06:29:56,805 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 113 transitions, 752 flow [2025-03-09 06:29:56,805 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) [2025-03-09 06:29:56,806 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:56,806 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:56,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:29:56,806 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:56,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:56,806 INFO L85 PathProgramCache]: Analyzing trace with hash -26423825, now seen corresponding path program 1 times [2025-03-09 06:29:56,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:56,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028726752] [2025-03-09 06:29:56,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:56,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:56,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:56,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:56,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:56,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:57,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:57,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028726752] [2025-03-09 06:29:57,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028726752] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:57,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:57,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316805146] [2025-03-09 06:29:57,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:57,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:57,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:57,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:57,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:57,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:57,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 113 transitions, 752 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) [2025-03-09 06:29:57,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:57,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:57,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:57,629 INFO L124 PetriNetUnfolderBase]: 1893/3393 cut-off events. [2025-03-09 06:29:57,629 INFO L125 PetriNetUnfolderBase]: For 5551/5553 co-relation queries the response was YES. [2025-03-09 06:29:57,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10517 conditions, 3393 events. 1893/3393 cut-off events. For 5551/5553 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 21153 event pairs, 579 based on Foata normal form. 98/3491 useless extension candidates. Maximal degree in co-relation 10051. Up to 1858 conditions per place. [2025-03-09 06:29:57,649 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 161 selfloop transitions, 38 changer transitions 5/207 dead transitions. [2025-03-09 06:29:57,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 207 transitions, 1672 flow [2025-03-09 06:29:57,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:29:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:29:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 168 transitions. [2025-03-09 06:29:57,650 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.38181818181818183 [2025-03-09 06:29:57,650 INFO L175 Difference]: Start difference. First operand has 86 places, 113 transitions, 752 flow. Second operand 10 states and 168 transitions. [2025-03-09 06:29:57,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 207 transitions, 1672 flow [2025-03-09 06:29:57,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 207 transitions, 1652 flow, removed 10 selfloop flow, removed 0 redundant places. [2025-03-09 06:29:57,668 INFO L231 Difference]: Finished difference. Result has 102 places, 138 transitions, 1061 flow [2025-03-09 06:29:57,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1061, PETRI_PLACES=102, PETRI_TRANSITIONS=138} [2025-03-09 06:29:57,668 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 57 predicate places. [2025-03-09 06:29:57,669 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 138 transitions, 1061 flow [2025-03-09 06:29:57,669 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) [2025-03-09 06:29:57,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:57,669 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:57,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:29:57,669 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:57,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:57,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1634477542, now seen corresponding path program 1 times [2025-03-09 06:29:57,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:57,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725470028] [2025-03-09 06:29:57,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:57,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:57,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:29:57,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:29:57,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:57,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:57,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:57,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725470028] [2025-03-09 06:29:57,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725470028] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:57,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:57,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:29:57,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206871862] [2025-03-09 06:29:57,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:57,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:29:57,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:57,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:29:57,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:29:57,807 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2025-03-09 06:29:57,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 138 transitions, 1061 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) [2025-03-09 06:29:57,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:57,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2025-03-09 06:29:57,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:58,133 INFO L124 PetriNetUnfolderBase]: 838/1529 cut-off events. [2025-03-09 06:29:58,134 INFO L125 PetriNetUnfolderBase]: For 3924/3927 co-relation queries the response was YES. [2025-03-09 06:29:58,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5221 conditions, 1529 events. 838/1529 cut-off events. For 3924/3927 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 8052 event pairs, 253 based on Foata normal form. 1/1530 useless extension candidates. Maximal degree in co-relation 5195. Up to 923 conditions per place. [2025-03-09 06:29:58,149 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 149 selfloop transitions, 17 changer transitions 0/168 dead transitions. [2025-03-09 06:29:58,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 168 transitions, 1534 flow [2025-03-09 06:29:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:29:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 06:29:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2025-03-09 06:29:58,153 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2025-03-09 06:29:58,153 INFO L175 Difference]: Start difference. First operand has 102 places, 138 transitions, 1061 flow. Second operand 4 states and 90 transitions. [2025-03-09 06:29:58,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 168 transitions, 1534 flow [2025-03-09 06:29:58,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 168 transitions, 1479 flow, removed 21 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:58,170 INFO L231 Difference]: Finished difference. Result has 99 places, 102 transitions, 760 flow [2025-03-09 06:29:58,170 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=760, PETRI_PLACES=99, PETRI_TRANSITIONS=102} [2025-03-09 06:29:58,173 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 54 predicate places. [2025-03-09 06:29:58,173 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 102 transitions, 760 flow [2025-03-09 06:29:58,173 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) [2025-03-09 06:29:58,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:58,173 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:58,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:29:58,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:58,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:58,174 INFO L85 PathProgramCache]: Analyzing trace with hash 427331225, now seen corresponding path program 1 times [2025-03-09 06:29:58,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:58,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813516165] [2025-03-09 06:29:58,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:58,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:58,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:29:58,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:29:58,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:58,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:58,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:58,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813516165] [2025-03-09 06:29:58,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813516165] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:58,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:58,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:58,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576774880] [2025-03-09 06:29:58,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:58,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:58,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:58,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:58,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:58,665 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:58,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 102 transitions, 760 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) [2025-03-09 06:29:58,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:58,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:58,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:59,665 INFO L124 PetriNetUnfolderBase]: 1371/2526 cut-off events. [2025-03-09 06:29:59,665 INFO L125 PetriNetUnfolderBase]: For 6489/6499 co-relation queries the response was YES. [2025-03-09 06:29:59,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8742 conditions, 2526 events. 1371/2526 cut-off events. For 6489/6499 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 14256 event pairs, 583 based on Foata normal form. 38/2564 useless extension candidates. Maximal degree in co-relation 8715. Up to 1216 conditions per place. [2025-03-09 06:29:59,683 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 176 selfloop transitions, 69 changer transitions 7/254 dead transitions. [2025-03-09 06:29:59,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 254 transitions, 2225 flow [2025-03-09 06:29:59,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:29:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:29:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 283 transitions. [2025-03-09 06:29:59,687 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3215909090909091 [2025-03-09 06:29:59,687 INFO L175 Difference]: Start difference. First operand has 99 places, 102 transitions, 760 flow. Second operand 20 states and 283 transitions. [2025-03-09 06:29:59,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 254 transitions, 2225 flow [2025-03-09 06:29:59,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 254 transitions, 2169 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-09 06:29:59,710 INFO L231 Difference]: Finished difference. Result has 131 places, 151 transitions, 1481 flow [2025-03-09 06:29:59,711 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1481, PETRI_PLACES=131, PETRI_TRANSITIONS=151} [2025-03-09 06:29:59,711 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2025-03-09 06:29:59,711 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 151 transitions, 1481 flow [2025-03-09 06:29:59,711 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) [2025-03-09 06:29:59,711 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:59,711 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:59,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:29:59,712 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:59,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:59,712 INFO L85 PathProgramCache]: Analyzing trace with hash 568881201, now seen corresponding path program 2 times [2025-03-09 06:29:59,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:59,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201217979] [2025-03-09 06:29:59,712 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:29:59,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:59,728 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:29:59,737 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:29:59,737 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:29:59,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:00,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:00,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201217979] [2025-03-09 06:30:00,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201217979] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:00,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:00,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:00,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527947212] [2025-03-09 06:30:00,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:00,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:00,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:00,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:00,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:00,105 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:00,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 151 transitions, 1481 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) [2025-03-09 06:30:00,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:00,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:00,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:01,072 INFO L124 PetriNetUnfolderBase]: 1715/3154 cut-off events. [2025-03-09 06:30:01,073 INFO L125 PetriNetUnfolderBase]: For 11181/11193 co-relation queries the response was YES. [2025-03-09 06:30:01,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11768 conditions, 3154 events. 1715/3154 cut-off events. For 11181/11193 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 18587 event pairs, 542 based on Foata normal form. 40/3194 useless extension candidates. Maximal degree in co-relation 11726. Up to 1270 conditions per place. [2025-03-09 06:30:01,099 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 187 selfloop transitions, 104 changer transitions 7/300 dead transitions. [2025-03-09 06:30:01,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 300 transitions, 3151 flow [2025-03-09 06:30:01,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-09 06:30:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-09 06:30:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 294 transitions. [2025-03-09 06:30:01,101 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3037190082644628 [2025-03-09 06:30:01,101 INFO L175 Difference]: Start difference. First operand has 131 places, 151 transitions, 1481 flow. Second operand 22 states and 294 transitions. [2025-03-09 06:30:01,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 300 transitions, 3151 flow [2025-03-09 06:30:01,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 300 transitions, 3064 flow, removed 20 selfloop flow, removed 5 redundant places. [2025-03-09 06:30:01,147 INFO L231 Difference]: Finished difference. Result has 155 places, 198 transitions, 2259 flow [2025-03-09 06:30:01,147 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1422, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2259, PETRI_PLACES=155, PETRI_TRANSITIONS=198} [2025-03-09 06:30:01,147 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 110 predicate places. [2025-03-09 06:30:01,148 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 198 transitions, 2259 flow [2025-03-09 06:30:01,148 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) [2025-03-09 06:30:01,148 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:01,148 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:01,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:30:01,148 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:01,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:01,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1320527315, now seen corresponding path program 1 times [2025-03-09 06:30:01,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:01,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140379151] [2025-03-09 06:30:01,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:01,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:01,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:01,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:01,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:01,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:01,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:01,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140379151] [2025-03-09 06:30:01,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140379151] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:01,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:01,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:01,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601944490] [2025-03-09 06:30:01,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:01,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:01,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:01,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:01,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:01,486 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:01,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 198 transitions, 2259 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) [2025-03-09 06:30:01,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:01,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:01,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:02,296 INFO L124 PetriNetUnfolderBase]: 1806/3369 cut-off events. [2025-03-09 06:30:02,296 INFO L125 PetriNetUnfolderBase]: For 14461/14473 co-relation queries the response was YES. [2025-03-09 06:30:02,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13040 conditions, 3369 events. 1806/3369 cut-off events. For 14461/14473 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 20718 event pairs, 775 based on Foata normal form. 60/3429 useless extension candidates. Maximal degree in co-relation 12991. Up to 2470 conditions per place. [2025-03-09 06:30:02,318 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 190 selfloop transitions, 63 changer transitions 8/263 dead transitions. [2025-03-09 06:30:02,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 263 transitions, 3157 flow [2025-03-09 06:30:02,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:30:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:30:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 189 transitions. [2025-03-09 06:30:02,321 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35795454545454547 [2025-03-09 06:30:02,321 INFO L175 Difference]: Start difference. First operand has 155 places, 198 transitions, 2259 flow. Second operand 12 states and 189 transitions. [2025-03-09 06:30:02,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 263 transitions, 3157 flow [2025-03-09 06:30:02,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 263 transitions, 3058 flow, removed 17 selfloop flow, removed 8 redundant places. [2025-03-09 06:30:02,385 INFO L231 Difference]: Finished difference. Result has 163 places, 206 transitions, 2441 flow [2025-03-09 06:30:02,386 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2161, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2441, PETRI_PLACES=163, PETRI_TRANSITIONS=206} [2025-03-09 06:30:02,387 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 118 predicate places. [2025-03-09 06:30:02,387 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 206 transitions, 2441 flow [2025-03-09 06:30:02,388 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) [2025-03-09 06:30:02,388 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:02,388 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:02,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 06:30:02,388 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:02,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:02,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1765920817, now seen corresponding path program 3 times [2025-03-09 06:30:02,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:02,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771655] [2025-03-09 06:30:02,389 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:02,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:02,406 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:02,412 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:02,413 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:02,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:02,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:02,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771655] [2025-03-09 06:30:02,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771655] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:02,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:02,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:02,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615752686] [2025-03-09 06:30:02,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:02,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:02,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:02,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:02,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:02,698 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:02,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 206 transitions, 2441 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) [2025-03-09 06:30:02,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:02,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:02,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:03,737 INFO L124 PetriNetUnfolderBase]: 1736/3225 cut-off events. [2025-03-09 06:30:03,738 INFO L125 PetriNetUnfolderBase]: For 15739/15751 co-relation queries the response was YES. [2025-03-09 06:30:03,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12752 conditions, 3225 events. 1736/3225 cut-off events. For 15739/15751 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 19299 event pairs, 582 based on Foata normal form. 40/3265 useless extension candidates. Maximal degree in co-relation 12699. Up to 1385 conditions per place. [2025-03-09 06:30:03,768 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 207 selfloop transitions, 94 changer transitions 13/316 dead transitions. [2025-03-09 06:30:03,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 316 transitions, 3801 flow [2025-03-09 06:30:03,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 280 transitions. [2025-03-09 06:30:03,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2025-03-09 06:30:03,770 INFO L175 Difference]: Start difference. First operand has 163 places, 206 transitions, 2441 flow. Second operand 20 states and 280 transitions. [2025-03-09 06:30:03,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 316 transitions, 3801 flow [2025-03-09 06:30:03,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 316 transitions, 3636 flow, removed 18 selfloop flow, removed 9 redundant places. [2025-03-09 06:30:03,917 INFO L231 Difference]: Finished difference. Result has 173 places, 209 transitions, 2514 flow [2025-03-09 06:30:03,917 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2277, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2514, PETRI_PLACES=173, PETRI_TRANSITIONS=209} [2025-03-09 06:30:03,918 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 128 predicate places. [2025-03-09 06:30:03,919 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 209 transitions, 2514 flow [2025-03-09 06:30:03,919 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) [2025-03-09 06:30:03,919 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:03,919 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:03,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 06:30:03,920 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:03,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:03,920 INFO L85 PathProgramCache]: Analyzing trace with hash 568880881, now seen corresponding path program 2 times [2025-03-09 06:30:03,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:03,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179957037] [2025-03-09 06:30:03,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:03,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:03,939 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:03,945 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:03,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:03,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:04,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:04,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179957037] [2025-03-09 06:30:04,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179957037] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:04,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:04,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:04,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090259003] [2025-03-09 06:30:04,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:04,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:04,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:04,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:04,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:04,361 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:04,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 209 transitions, 2514 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) [2025-03-09 06:30:04,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:04,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:04,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:05,155 INFO L124 PetriNetUnfolderBase]: 1400/2611 cut-off events. [2025-03-09 06:30:05,155 INFO L125 PetriNetUnfolderBase]: For 11803/11813 co-relation queries the response was YES. [2025-03-09 06:30:05,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10998 conditions, 2611 events. 1400/2611 cut-off events. For 11803/11813 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 15274 event pairs, 344 based on Foata normal form. 72/2683 useless extension candidates. Maximal degree in co-relation 10947. Up to 1392 conditions per place. [2025-03-09 06:30:05,180 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 193 selfloop transitions, 74 changer transitions 13/282 dead transitions. [2025-03-09 06:30:05,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 282 transitions, 3510 flow [2025-03-09 06:30:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 215 transitions. [2025-03-09 06:30:05,182 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32575757575757575 [2025-03-09 06:30:05,182 INFO L175 Difference]: Start difference. First operand has 173 places, 209 transitions, 2514 flow. Second operand 15 states and 215 transitions. [2025-03-09 06:30:05,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 282 transitions, 3510 flow [2025-03-09 06:30:05,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 282 transitions, 3153 flow, removed 47 selfloop flow, removed 25 redundant places. [2025-03-09 06:30:05,259 INFO L231 Difference]: Finished difference. Result has 165 places, 213 transitions, 2418 flow [2025-03-09 06:30:05,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2185, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2418, PETRI_PLACES=165, PETRI_TRANSITIONS=213} [2025-03-09 06:30:05,260 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 120 predicate places. [2025-03-09 06:30:05,260 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 213 transitions, 2418 flow [2025-03-09 06:30:05,260 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) [2025-03-09 06:30:05,260 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:05,261 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:05,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 06:30:05,261 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:05,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:05,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1479033167, now seen corresponding path program 3 times [2025-03-09 06:30:05,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:05,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88060369] [2025-03-09 06:30:05,262 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:05,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:05,291 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:05,296 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:05,297 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:05,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:05,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:05,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88060369] [2025-03-09 06:30:05,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88060369] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:05,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:05,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:05,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725644688] [2025-03-09 06:30:05,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:05,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:05,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:05,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:05,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:05,628 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:05,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 213 transitions, 2418 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) [2025-03-09 06:30:05,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:05,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:05,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:06,640 INFO L124 PetriNetUnfolderBase]: 1354/2533 cut-off events. [2025-03-09 06:30:06,641 INFO L125 PetriNetUnfolderBase]: For 11285/11295 co-relation queries the response was YES. [2025-03-09 06:30:06,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10298 conditions, 2533 events. 1354/2533 cut-off events. For 11285/11295 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 14796 event pairs, 370 based on Foata normal form. 72/2605 useless extension candidates. Maximal degree in co-relation 10256. Up to 1153 conditions per place. [2025-03-09 06:30:06,654 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 183 selfloop transitions, 98 changer transitions 12/295 dead transitions. [2025-03-09 06:30:06,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 295 transitions, 3412 flow [2025-03-09 06:30:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:30:06,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:30:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 266 transitions. [2025-03-09 06:30:06,655 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2025-03-09 06:30:06,655 INFO L175 Difference]: Start difference. First operand has 165 places, 213 transitions, 2418 flow. Second operand 19 states and 266 transitions. [2025-03-09 06:30:06,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 295 transitions, 3412 flow [2025-03-09 06:30:06,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 295 transitions, 3252 flow, removed 8 selfloop flow, removed 13 redundant places. [2025-03-09 06:30:06,710 INFO L231 Difference]: Finished difference. Result has 172 places, 215 transitions, 2518 flow [2025-03-09 06:30:06,710 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2250, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2518, PETRI_PLACES=172, PETRI_TRANSITIONS=215} [2025-03-09 06:30:06,711 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 127 predicate places. [2025-03-09 06:30:06,711 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 215 transitions, 2518 flow [2025-03-09 06:30:06,711 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) [2025-03-09 06:30:06,711 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:06,711 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:06,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 06:30:06,712 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:06,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:06,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1856862211, now seen corresponding path program 1 times [2025-03-09 06:30:06,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:06,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513048113] [2025-03-09 06:30:06,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:06,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:06,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:06,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:06,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:06,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:07,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:07,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513048113] [2025-03-09 06:30:07,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513048113] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:07,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:07,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:07,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401848073] [2025-03-09 06:30:07,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:07,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:07,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:07,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:07,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:07,302 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:07,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 215 transitions, 2518 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) [2025-03-09 06:30:07,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:07,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:07,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:08,060 INFO L124 PetriNetUnfolderBase]: 1411/2614 cut-off events. [2025-03-09 06:30:08,060 INFO L125 PetriNetUnfolderBase]: For 10045/10055 co-relation queries the response was YES. [2025-03-09 06:30:08,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10674 conditions, 2614 events. 1411/2614 cut-off events. For 10045/10055 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 15399 event pairs, 519 based on Foata normal form. 46/2660 useless extension candidates. Maximal degree in co-relation 10634. Up to 1699 conditions per place. [2025-03-09 06:30:08,073 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 201 selfloop transitions, 86 changer transitions 2/291 dead transitions. [2025-03-09 06:30:08,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 291 transitions, 3399 flow [2025-03-09 06:30:08,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 06:30:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-09 06:30:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 242 transitions. [2025-03-09 06:30:08,074 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34375 [2025-03-09 06:30:08,074 INFO L175 Difference]: Start difference. First operand has 172 places, 215 transitions, 2518 flow. Second operand 16 states and 242 transitions. [2025-03-09 06:30:08,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 291 transitions, 3399 flow [2025-03-09 06:30:08,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 291 transitions, 3252 flow, removed 9 selfloop flow, removed 14 redundant places. [2025-03-09 06:30:08,107 INFO L231 Difference]: Finished difference. Result has 176 places, 227 transitions, 2731 flow [2025-03-09 06:30:08,107 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2373, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2731, PETRI_PLACES=176, PETRI_TRANSITIONS=227} [2025-03-09 06:30:08,107 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 131 predicate places. [2025-03-09 06:30:08,107 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 227 transitions, 2731 flow [2025-03-09 06:30:08,108 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) [2025-03-09 06:30:08,108 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:08,108 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:08,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 06:30:08,108 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:08,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:08,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2000839606, now seen corresponding path program 1 times [2025-03-09 06:30:08,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:08,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049989792] [2025-03-09 06:30:08,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:08,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:08,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:08,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:08,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:08,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:08,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:08,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049989792] [2025-03-09 06:30:08,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049989792] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:08,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:08,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:08,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684094111] [2025-03-09 06:30:08,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:08,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:08,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:08,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:08,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:08,507 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:08,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 227 transitions, 2731 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) [2025-03-09 06:30:08,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:08,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:08,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:09,218 INFO L124 PetriNetUnfolderBase]: 1369/2552 cut-off events. [2025-03-09 06:30:09,218 INFO L125 PetriNetUnfolderBase]: For 10500/10510 co-relation queries the response was YES. [2025-03-09 06:30:09,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10841 conditions, 2552 events. 1369/2552 cut-off events. For 10500/10510 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 14989 event pairs, 491 based on Foata normal form. 46/2598 useless extension candidates. Maximal degree in co-relation 10800. Up to 1515 conditions per place. [2025-03-09 06:30:09,232 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 210 selfloop transitions, 73 changer transitions 19/304 dead transitions. [2025-03-09 06:30:09,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 304 transitions, 3595 flow [2025-03-09 06:30:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:09,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 275 transitions. [2025-03-09 06:30:09,233 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3125 [2025-03-09 06:30:09,233 INFO L175 Difference]: Start difference. First operand has 176 places, 227 transitions, 2731 flow. Second operand 20 states and 275 transitions. [2025-03-09 06:30:09,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 304 transitions, 3595 flow [2025-03-09 06:30:09,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 304 transitions, 3535 flow, removed 9 selfloop flow, removed 5 redundant places. [2025-03-09 06:30:09,272 INFO L231 Difference]: Finished difference. Result has 193 places, 225 transitions, 2808 flow [2025-03-09 06:30:09,272 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2661, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2808, PETRI_PLACES=193, PETRI_TRANSITIONS=225} [2025-03-09 06:30:09,273 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 148 predicate places. [2025-03-09 06:30:09,273 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 225 transitions, 2808 flow [2025-03-09 06:30:09,273 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) [2025-03-09 06:30:09,273 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:09,273 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:09,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 06:30:09,273 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:09,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:09,274 INFO L85 PathProgramCache]: Analyzing trace with hash 2081689725, now seen corresponding path program 1 times [2025-03-09 06:30:09,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:09,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995945072] [2025-03-09 06:30:09,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:09,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:09,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:09,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:09,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:09,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:09,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:09,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995945072] [2025-03-09 06:30:09,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995945072] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:09,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:09,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:09,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132487895] [2025-03-09 06:30:09,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:09,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:09,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:09,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:09,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:09,474 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:09,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 225 transitions, 2808 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) [2025-03-09 06:30:09,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:09,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:09,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:10,182 INFO L124 PetriNetUnfolderBase]: 1430/2667 cut-off events. [2025-03-09 06:30:10,182 INFO L125 PetriNetUnfolderBase]: For 12317/12327 co-relation queries the response was YES. [2025-03-09 06:30:10,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11421 conditions, 2667 events. 1430/2667 cut-off events. For 12317/12327 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 15805 event pairs, 464 based on Foata normal form. 34/2701 useless extension candidates. Maximal degree in co-relation 11377. Up to 579 conditions per place. [2025-03-09 06:30:10,198 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 230 selfloop transitions, 96 changer transitions 0/328 dead transitions. [2025-03-09 06:30:10,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 328 transitions, 3876 flow [2025-03-09 06:30:10,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:10,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 281 transitions. [2025-03-09 06:30:10,199 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3547979797979798 [2025-03-09 06:30:10,199 INFO L175 Difference]: Start difference. First operand has 193 places, 225 transitions, 2808 flow. Second operand 18 states and 281 transitions. [2025-03-09 06:30:10,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 328 transitions, 3876 flow [2025-03-09 06:30:10,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 328 transitions, 3744 flow, removed 12 selfloop flow, removed 13 redundant places. [2025-03-09 06:30:10,246 INFO L231 Difference]: Finished difference. Result has 201 places, 239 transitions, 3113 flow [2025-03-09 06:30:10,246 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2692, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3113, PETRI_PLACES=201, PETRI_TRANSITIONS=239} [2025-03-09 06:30:10,247 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 156 predicate places. [2025-03-09 06:30:10,247 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 239 transitions, 3113 flow [2025-03-09 06:30:10,247 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) [2025-03-09 06:30:10,247 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:10,247 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:10,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 06:30:10,247 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:10,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:10,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1588771384, now seen corresponding path program 1 times [2025-03-09 06:30:10,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:10,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456674161] [2025-03-09 06:30:10,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:10,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:10,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:10,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:10,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:10,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:10,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:10,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456674161] [2025-03-09 06:30:10,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456674161] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:10,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:10,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:10,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809487634] [2025-03-09 06:30:10,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:10,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:10,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:10,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:10,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:10,587 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:10,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 239 transitions, 3113 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) [2025-03-09 06:30:10,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:10,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:10,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:11,598 INFO L124 PetriNetUnfolderBase]: 1584/2985 cut-off events. [2025-03-09 06:30:11,598 INFO L125 PetriNetUnfolderBase]: For 14888/14898 co-relation queries the response was YES. [2025-03-09 06:30:11,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13537 conditions, 2985 events. 1584/2985 cut-off events. For 14888/14898 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 18222 event pairs, 604 based on Foata normal form. 34/3019 useless extension candidates. Maximal degree in co-relation 13487. Up to 1153 conditions per place. [2025-03-09 06:30:11,620 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 217 selfloop transitions, 92 changer transitions 40/351 dead transitions. [2025-03-09 06:30:11,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 351 transitions, 4518 flow [2025-03-09 06:30:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:30:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:30:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 304 transitions. [2025-03-09 06:30:11,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30039525691699603 [2025-03-09 06:30:11,622 INFO L175 Difference]: Start difference. First operand has 201 places, 239 transitions, 3113 flow. Second operand 23 states and 304 transitions. [2025-03-09 06:30:11,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 351 transitions, 4518 flow [2025-03-09 06:30:11,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 351 transitions, 4361 flow, removed 8 selfloop flow, removed 9 redundant places. [2025-03-09 06:30:11,689 INFO L231 Difference]: Finished difference. Result has 216 places, 234 transitions, 3131 flow [2025-03-09 06:30:11,690 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2948, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3131, PETRI_PLACES=216, PETRI_TRANSITIONS=234} [2025-03-09 06:30:11,690 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 171 predicate places. [2025-03-09 06:30:11,690 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 234 transitions, 3131 flow [2025-03-09 06:30:11,690 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) [2025-03-09 06:30:11,690 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:11,690 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:11,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 06:30:11,690 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:11,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:11,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1040461745, now seen corresponding path program 2 times [2025-03-09 06:30:11,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:11,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499654438] [2025-03-09 06:30:11,691 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:11,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:11,701 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:11,706 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:11,706 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:11,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:12,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:12,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499654438] [2025-03-09 06:30:12,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499654438] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:12,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:12,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:12,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331239503] [2025-03-09 06:30:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:12,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:12,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:12,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:12,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:12,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:12,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 234 transitions, 3131 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) [2025-03-09 06:30:12,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:12,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:12,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:12,921 INFO L124 PetriNetUnfolderBase]: 1736/3289 cut-off events. [2025-03-09 06:30:12,922 INFO L125 PetriNetUnfolderBase]: For 17300/17310 co-relation queries the response was YES. [2025-03-09 06:30:12,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14679 conditions, 3289 events. 1736/3289 cut-off events. For 17300/17310 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 20835 event pairs, 621 based on Foata normal form. 28/3317 useless extension candidates. Maximal degree in co-relation 14629. Up to 1915 conditions per place. [2025-03-09 06:30:12,959 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 271 selfloop transitions, 92 changer transitions 0/365 dead transitions. [2025-03-09 06:30:12,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 365 transitions, 4521 flow [2025-03-09 06:30:12,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:30:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:30:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 298 transitions. [2025-03-09 06:30:12,961 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35645933014354064 [2025-03-09 06:30:12,961 INFO L175 Difference]: Start difference. First operand has 216 places, 234 transitions, 3131 flow. Second operand 19 states and 298 transitions. [2025-03-09 06:30:12,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 365 transitions, 4521 flow [2025-03-09 06:30:13,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 365 transitions, 4366 flow, removed 4 selfloop flow, removed 16 redundant places. [2025-03-09 06:30:13,031 INFO L231 Difference]: Finished difference. Result has 216 places, 259 transitions, 3596 flow [2025-03-09 06:30:13,032 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3008, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3596, PETRI_PLACES=216, PETRI_TRANSITIONS=259} [2025-03-09 06:30:13,032 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 171 predicate places. [2025-03-09 06:30:13,032 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 259 transitions, 3596 flow [2025-03-09 06:30:13,032 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) [2025-03-09 06:30:13,032 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:13,032 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:13,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 06:30:13,033 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:13,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:13,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1722060802, now seen corresponding path program 2 times [2025-03-09 06:30:13,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:13,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421658507] [2025-03-09 06:30:13,033 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:13,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:13,043 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:13,046 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:13,046 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:13,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:13,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:13,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421658507] [2025-03-09 06:30:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421658507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:13,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:13,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:13,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109879050] [2025-03-09 06:30:13,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:13,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:13,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:13,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:13,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:13,372 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:13,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 259 transitions, 3596 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) [2025-03-09 06:30:13,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:13,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:13,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:14,264 INFO L124 PetriNetUnfolderBase]: 1715/3261 cut-off events. [2025-03-09 06:30:14,264 INFO L125 PetriNetUnfolderBase]: For 20054/20064 co-relation queries the response was YES. [2025-03-09 06:30:14,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15377 conditions, 3261 events. 1715/3261 cut-off events. For 20054/20064 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 20631 event pairs, 642 based on Foata normal form. 28/3289 useless extension candidates. Maximal degree in co-relation 15322. Up to 2086 conditions per place. [2025-03-09 06:30:14,282 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 280 selfloop transitions, 80 changer transitions 10/372 dead transitions. [2025-03-09 06:30:14,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 372 transitions, 4757 flow [2025-03-09 06:30:14,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:30:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:30:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 336 transitions. [2025-03-09 06:30:14,283 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33201581027667987 [2025-03-09 06:30:14,283 INFO L175 Difference]: Start difference. First operand has 216 places, 259 transitions, 3596 flow. Second operand 23 states and 336 transitions. [2025-03-09 06:30:14,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 372 transitions, 4757 flow [2025-03-09 06:30:14,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 372 transitions, 4678 flow, removed 14 selfloop flow, removed 3 redundant places. [2025-03-09 06:30:14,351 INFO L231 Difference]: Finished difference. Result has 240 places, 264 transitions, 3793 flow [2025-03-09 06:30:14,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3497, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3793, PETRI_PLACES=240, PETRI_TRANSITIONS=264} [2025-03-09 06:30:14,352 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 195 predicate places. [2025-03-09 06:30:14,352 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 264 transitions, 3793 flow [2025-03-09 06:30:14,352 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) [2025-03-09 06:30:14,352 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:14,352 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:14,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 06:30:14,352 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:14,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:14,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1081844399, now seen corresponding path program 3 times [2025-03-09 06:30:14,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:14,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908219313] [2025-03-09 06:30:14,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:14,362 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:14,366 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:14,366 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:14,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:14,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:14,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908219313] [2025-03-09 06:30:14,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908219313] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:14,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:14,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:14,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82532489] [2025-03-09 06:30:14,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:14,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:14,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:14,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:14,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:14,709 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:14,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 264 transitions, 3793 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) [2025-03-09 06:30:14,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:14,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:14,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:15,517 INFO L124 PetriNetUnfolderBase]: 1673/3180 cut-off events. [2025-03-09 06:30:15,517 INFO L125 PetriNetUnfolderBase]: For 21845/21855 co-relation queries the response was YES. [2025-03-09 06:30:15,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15344 conditions, 3180 events. 1673/3180 cut-off events. For 21845/21855 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 20019 event pairs, 624 based on Foata normal form. 28/3208 useless extension candidates. Maximal degree in co-relation 15283. Up to 1915 conditions per place. [2025-03-09 06:30:15,547 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 242 selfloop transitions, 96 changer transitions 0/340 dead transitions. [2025-03-09 06:30:15,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 340 transitions, 4664 flow [2025-03-09 06:30:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 257 transitions. [2025-03-09 06:30:15,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34358288770053474 [2025-03-09 06:30:15,548 INFO L175 Difference]: Start difference. First operand has 240 places, 264 transitions, 3793 flow. Second operand 17 states and 257 transitions. [2025-03-09 06:30:15,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 340 transitions, 4664 flow [2025-03-09 06:30:15,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 340 transitions, 4566 flow, removed 16 selfloop flow, removed 9 redundant places. [2025-03-09 06:30:15,627 INFO L231 Difference]: Finished difference. Result has 244 places, 266 transitions, 3908 flow [2025-03-09 06:30:15,627 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3679, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3908, PETRI_PLACES=244, PETRI_TRANSITIONS=266} [2025-03-09 06:30:15,628 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 199 predicate places. [2025-03-09 06:30:15,628 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 266 transitions, 3908 flow [2025-03-09 06:30:15,628 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) [2025-03-09 06:30:15,628 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:15,628 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:15,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 06:30:15,628 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:15,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:15,629 INFO L85 PathProgramCache]: Analyzing trace with hash 437194400, now seen corresponding path program 3 times [2025-03-09 06:30:15,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:15,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014260850] [2025-03-09 06:30:15,629 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:15,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:15,640 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:15,643 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:15,644 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:15,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:16,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:16,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014260850] [2025-03-09 06:30:16,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014260850] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:16,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:16,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:16,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698969760] [2025-03-09 06:30:16,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:16,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:16,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:16,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:16,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:16,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:16,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 266 transitions, 3908 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) [2025-03-09 06:30:16,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:16,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:16,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:17,018 INFO L124 PetriNetUnfolderBase]: 1652/3147 cut-off events. [2025-03-09 06:30:17,019 INFO L125 PetriNetUnfolderBase]: For 19726/19736 co-relation queries the response was YES. [2025-03-09 06:30:17,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15353 conditions, 3147 events. 1652/3147 cut-off events. For 19726/19736 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 19770 event pairs, 428 based on Foata normal form. 28/3175 useless extension candidates. Maximal degree in co-relation 15297. Up to 1099 conditions per place. [2025-03-09 06:30:17,047 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 199 selfloop transitions, 135 changer transitions 20/356 dead transitions. [2025-03-09 06:30:17,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 356 transitions, 4970 flow [2025-03-09 06:30:17,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-09 06:30:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-09 06:30:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 343 transitions. [2025-03-09 06:30:17,048 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29982517482517484 [2025-03-09 06:30:17,048 INFO L175 Difference]: Start difference. First operand has 244 places, 266 transitions, 3908 flow. Second operand 26 states and 343 transitions. [2025-03-09 06:30:17,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 356 transitions, 4970 flow [2025-03-09 06:30:17,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 356 transitions, 4805 flow, removed 18 selfloop flow, removed 10 redundant places. [2025-03-09 06:30:17,120 INFO L231 Difference]: Finished difference. Result has 262 places, 265 transitions, 4041 flow [2025-03-09 06:30:17,120 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3731, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4041, PETRI_PLACES=262, PETRI_TRANSITIONS=265} [2025-03-09 06:30:17,121 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 217 predicate places. [2025-03-09 06:30:17,121 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 265 transitions, 4041 flow [2025-03-09 06:30:17,121 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) [2025-03-09 06:30:17,121 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:17,121 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:17,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-09 06:30:17,121 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:17,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:17,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1652330528, now seen corresponding path program 4 times [2025-03-09 06:30:17,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:17,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924662055] [2025-03-09 06:30:17,122 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:17,133 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 18 statements into 2 equivalence classes. [2025-03-09 06:30:17,137 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:17,137 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:17,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:17,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:17,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924662055] [2025-03-09 06:30:17,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924662055] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:17,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:17,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:17,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950049322] [2025-03-09 06:30:17,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:17,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:17,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:17,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:17,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:17,620 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:17,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 265 transitions, 4041 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) [2025-03-09 06:30:17,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:17,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:17,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:18,786 INFO L124 PetriNetUnfolderBase]: 1722/3286 cut-off events. [2025-03-09 06:30:18,786 INFO L125 PetriNetUnfolderBase]: For 22043/22053 co-relation queries the response was YES. [2025-03-09 06:30:18,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16208 conditions, 3286 events. 1722/3286 cut-off events. For 22043/22053 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 20927 event pairs, 591 based on Foata normal form. 26/3312 useless extension candidates. Maximal degree in co-relation 16149. Up to 2291 conditions per place. [2025-03-09 06:30:18,808 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 289 selfloop transitions, 83 changer transitions 0/374 dead transitions. [2025-03-09 06:30:18,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 374 transitions, 5315 flow [2025-03-09 06:30:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:18,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 289 transitions. [2025-03-09 06:30:18,809 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32840909090909093 [2025-03-09 06:30:18,809 INFO L175 Difference]: Start difference. First operand has 262 places, 265 transitions, 4041 flow. Second operand 20 states and 289 transitions. [2025-03-09 06:30:18,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 374 transitions, 5315 flow [2025-03-09 06:30:18,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 374 transitions, 4981 flow, removed 21 selfloop flow, removed 23 redundant places. [2025-03-09 06:30:18,874 INFO L231 Difference]: Finished difference. Result has 264 places, 288 transitions, 4252 flow [2025-03-09 06:30:18,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3744, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4252, PETRI_PLACES=264, PETRI_TRANSITIONS=288} [2025-03-09 06:30:18,875 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 219 predicate places. [2025-03-09 06:30:18,875 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 288 transitions, 4252 flow [2025-03-09 06:30:18,875 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) [2025-03-09 06:30:18,875 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:18,875 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:18,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-09 06:30:18,875 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:18,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash 390359114, now seen corresponding path program 5 times [2025-03-09 06:30:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:18,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583126296] [2025-03-09 06:30:18,875 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:18,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:18,884 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:18,888 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:18,888 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:18,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:19,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:19,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583126296] [2025-03-09 06:30:19,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583126296] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:19,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:19,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:19,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390495631] [2025-03-09 06:30:19,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:19,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:19,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:19,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:19,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:19,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:19,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 288 transitions, 4252 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) [2025-03-09 06:30:19,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:19,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:19,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:20,093 INFO L124 PetriNetUnfolderBase]: 1933/3732 cut-off events. [2025-03-09 06:30:20,093 INFO L125 PetriNetUnfolderBase]: For 22573/22583 co-relation queries the response was YES. [2025-03-09 06:30:20,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18170 conditions, 3732 events. 1933/3732 cut-off events. For 22573/22583 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 25005 event pairs, 448 based on Foata normal form. 46/3778 useless extension candidates. Maximal degree in co-relation 18109. Up to 1243 conditions per place. [2025-03-09 06:30:20,129 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 202 selfloop transitions, 188 changer transitions 9/401 dead transitions. [2025-03-09 06:30:20,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 401 transitions, 5897 flow [2025-03-09 06:30:20,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-09 06:30:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-09 06:30:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 293 transitions. [2025-03-09 06:30:20,130 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30268595041322316 [2025-03-09 06:30:20,130 INFO L175 Difference]: Start difference. First operand has 264 places, 288 transitions, 4252 flow. Second operand 22 states and 293 transitions. [2025-03-09 06:30:20,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 401 transitions, 5897 flow [2025-03-09 06:30:20,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 401 transitions, 5653 flow, removed 90 selfloop flow, removed 6 redundant places. [2025-03-09 06:30:20,226 INFO L231 Difference]: Finished difference. Result has 287 places, 323 transitions, 5191 flow [2025-03-09 06:30:20,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4085, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=5191, PETRI_PLACES=287, PETRI_TRANSITIONS=323} [2025-03-09 06:30:20,227 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 242 predicate places. [2025-03-09 06:30:20,227 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 323 transitions, 5191 flow [2025-03-09 06:30:20,227 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) [2025-03-09 06:30:20,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:20,227 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:20,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-09 06:30:20,227 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:20,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:20,228 INFO L85 PathProgramCache]: Analyzing trace with hash 390359113, now seen corresponding path program 4 times [2025-03-09 06:30:20,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:20,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282179782] [2025-03-09 06:30:20,228 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:20,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:20,247 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 18 statements into 2 equivalence classes. [2025-03-09 06:30:20,253 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:20,253 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:20,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:20,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:20,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282179782] [2025-03-09 06:30:20,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282179782] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:20,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:20,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:20,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884052984] [2025-03-09 06:30:20,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:20,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:20,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:20,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:20,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:20,689 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:20,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 323 transitions, 5191 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) [2025-03-09 06:30:20,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:20,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:20,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:21,811 INFO L124 PetriNetUnfolderBase]: 2086/4021 cut-off events. [2025-03-09 06:30:21,811 INFO L125 PetriNetUnfolderBase]: For 34346/34356 co-relation queries the response was YES. [2025-03-09 06:30:21,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21135 conditions, 4021 events. 2086/4021 cut-off events. For 34346/34356 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 27362 event pairs, 493 based on Foata normal form. 32/4053 useless extension candidates. Maximal degree in co-relation 21067. Up to 1870 conditions per place. [2025-03-09 06:30:21,836 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 261 selfloop transitions, 159 changer transitions 17/439 dead transitions. [2025-03-09 06:30:21,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 439 transitions, 6803 flow [2025-03-09 06:30:21,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-09 06:30:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-09 06:30:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 308 transitions. [2025-03-09 06:30:21,837 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2025-03-09 06:30:21,837 INFO L175 Difference]: Start difference. First operand has 287 places, 323 transitions, 5191 flow. Second operand 22 states and 308 transitions. [2025-03-09 06:30:21,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 439 transitions, 6803 flow [2025-03-09 06:30:21,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 439 transitions, 6656 flow, removed 44 selfloop flow, removed 7 redundant places. [2025-03-09 06:30:21,970 INFO L231 Difference]: Finished difference. Result has 309 places, 338 transitions, 5867 flow [2025-03-09 06:30:21,970 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5070, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=5867, PETRI_PLACES=309, PETRI_TRANSITIONS=338} [2025-03-09 06:30:21,970 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 264 predicate places. [2025-03-09 06:30:21,971 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 338 transitions, 5867 flow [2025-03-09 06:30:21,971 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) [2025-03-09 06:30:21,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:21,971 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:21,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-09 06:30:21,971 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:21,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:21,971 INFO L85 PathProgramCache]: Analyzing trace with hash -483381567, now seen corresponding path program 5 times [2025-03-09 06:30:21,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:21,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847522609] [2025-03-09 06:30:21,971 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:21,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:21,980 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:21,983 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:21,983 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:21,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:22,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:22,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847522609] [2025-03-09 06:30:22,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847522609] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:22,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:22,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:22,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138247717] [2025-03-09 06:30:22,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:22,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:22,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:22,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:22,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:22,275 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:22,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 338 transitions, 5867 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) [2025-03-09 06:30:22,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:22,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:22,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:23,213 INFO L124 PetriNetUnfolderBase]: 2044/3963 cut-off events. [2025-03-09 06:30:23,213 INFO L125 PetriNetUnfolderBase]: For 41086/41096 co-relation queries the response was YES. [2025-03-09 06:30:23,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21863 conditions, 3963 events. 2044/3963 cut-off events. For 41086/41096 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 27142 event pairs, 695 based on Foata normal form. 38/4001 useless extension candidates. Maximal degree in co-relation 21788. Up to 2142 conditions per place. [2025-03-09 06:30:23,245 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 316 selfloop transitions, 110 changer transitions 9/437 dead transitions. [2025-03-09 06:30:23,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 437 transitions, 7232 flow [2025-03-09 06:30:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 275 transitions. [2025-03-09 06:30:23,247 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3472222222222222 [2025-03-09 06:30:23,247 INFO L175 Difference]: Start difference. First operand has 309 places, 338 transitions, 5867 flow. Second operand 18 states and 275 transitions. [2025-03-09 06:30:23,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 437 transitions, 7232 flow [2025-03-09 06:30:23,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 437 transitions, 7130 flow, removed 16 selfloop flow, removed 11 redundant places. [2025-03-09 06:30:23,445 INFO L231 Difference]: Finished difference. Result has 317 places, 338 transitions, 6060 flow [2025-03-09 06:30:23,445 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5713, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6060, PETRI_PLACES=317, PETRI_TRANSITIONS=338} [2025-03-09 06:30:23,445 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 272 predicate places. [2025-03-09 06:30:23,445 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 338 transitions, 6060 flow [2025-03-09 06:30:23,445 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) [2025-03-09 06:30:23,445 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:23,445 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:23,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-09 06:30:23,446 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:23,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:23,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1652330527, now seen corresponding path program 6 times [2025-03-09 06:30:23,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:23,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443531389] [2025-03-09 06:30:23,446 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 06:30:23,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:23,457 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:23,460 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:23,460 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-09 06:30:23,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:23,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:23,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443531389] [2025-03-09 06:30:23,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443531389] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:23,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:23,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:23,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270375680] [2025-03-09 06:30:23,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:23,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:23,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:23,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:23,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:23,725 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:23,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 338 transitions, 6060 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) [2025-03-09 06:30:23,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:23,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:23,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:24,671 INFO L124 PetriNetUnfolderBase]: 1974/3843 cut-off events. [2025-03-09 06:30:24,672 INFO L125 PetriNetUnfolderBase]: For 44628/44638 co-relation queries the response was YES. [2025-03-09 06:30:24,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21568 conditions, 3843 events. 1974/3843 cut-off events. For 44628/44638 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 26299 event pairs, 647 based on Foata normal form. 48/3891 useless extension candidates. Maximal degree in co-relation 21492. Up to 2142 conditions per place. [2025-03-09 06:30:24,707 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 294 selfloop transitions, 111 changer transitions 17/424 dead transitions. [2025-03-09 06:30:24,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 424 transitions, 7168 flow [2025-03-09 06:30:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:24,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:24,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 263 transitions. [2025-03-09 06:30:24,709 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3516042780748663 [2025-03-09 06:30:24,709 INFO L175 Difference]: Start difference. First operand has 317 places, 338 transitions, 6060 flow. Second operand 17 states and 263 transitions. [2025-03-09 06:30:24,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 424 transitions, 7168 flow [2025-03-09 06:30:24,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 424 transitions, 6843 flow, removed 36 selfloop flow, removed 10 redundant places. [2025-03-09 06:30:24,967 INFO L231 Difference]: Finished difference. Result has 324 places, 330 transitions, 5857 flow [2025-03-09 06:30:24,967 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5699, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5857, PETRI_PLACES=324, PETRI_TRANSITIONS=330} [2025-03-09 06:30:24,968 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 279 predicate places. [2025-03-09 06:30:24,968 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 330 transitions, 5857 flow [2025-03-09 06:30:24,968 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) [2025-03-09 06:30:24,968 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:24,968 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:24,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 06:30:24,968 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:24,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:24,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1410615215, now seen corresponding path program 2 times [2025-03-09 06:30:24,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:24,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230337535] [2025-03-09 06:30:24,969 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:24,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:24,978 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:24,981 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:24,981 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:24,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:25,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:25,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230337535] [2025-03-09 06:30:25,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230337535] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:25,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:25,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:25,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600023705] [2025-03-09 06:30:25,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:25,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:25,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:25,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:25,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:25,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:25,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 330 transitions, 5857 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) [2025-03-09 06:30:25,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:25,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:25,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:26,170 INFO L124 PetriNetUnfolderBase]: 2011/3898 cut-off events. [2025-03-09 06:30:26,171 INFO L125 PetriNetUnfolderBase]: For 40849/40859 co-relation queries the response was YES. [2025-03-09 06:30:26,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21488 conditions, 3898 events. 2011/3898 cut-off events. For 40849/40859 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 26469 event pairs, 742 based on Foata normal form. 34/3932 useless extension candidates. Maximal degree in co-relation 21412. Up to 2692 conditions per place. [2025-03-09 06:30:26,207 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 246 selfloop transitions, 145 changer transitions 4/397 dead transitions. [2025-03-09 06:30:26,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 397 transitions, 7194 flow [2025-03-09 06:30:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 235 transitions. [2025-03-09 06:30:26,208 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3141711229946524 [2025-03-09 06:30:26,208 INFO L175 Difference]: Start difference. First operand has 324 places, 330 transitions, 5857 flow. Second operand 17 states and 235 transitions. [2025-03-09 06:30:26,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 397 transitions, 7194 flow [2025-03-09 06:30:26,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 397 transitions, 6950 flow, removed 17 selfloop flow, removed 10 redundant places. [2025-03-09 06:30:26,385 INFO L231 Difference]: Finished difference. Result has 331 places, 349 transitions, 6362 flow [2025-03-09 06:30:26,385 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5637, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6362, PETRI_PLACES=331, PETRI_TRANSITIONS=349} [2025-03-09 06:30:26,385 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 286 predicate places. [2025-03-09 06:30:26,385 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 349 transitions, 6362 flow [2025-03-09 06:30:26,385 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) [2025-03-09 06:30:26,385 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:26,386 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:26,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-09 06:30:26,386 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:26,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:26,386 INFO L85 PathProgramCache]: Analyzing trace with hash 495739881, now seen corresponding path program 7 times [2025-03-09 06:30:26,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:26,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552565045] [2025-03-09 06:30:26,386 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-09 06:30:26,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:26,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:26,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:26,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:26,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:26,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:26,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552565045] [2025-03-09 06:30:26,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552565045] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:26,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:26,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:26,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416855494] [2025-03-09 06:30:26,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:26,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:26,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:26,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:26,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:26,658 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:26,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 349 transitions, 6362 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) [2025-03-09 06:30:26,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:26,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:26,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:27,622 INFO L124 PetriNetUnfolderBase]: 2186/4261 cut-off events. [2025-03-09 06:30:27,622 INFO L125 PetriNetUnfolderBase]: For 44692/44702 co-relation queries the response was YES. [2025-03-09 06:30:27,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23281 conditions, 4261 events. 2186/4261 cut-off events. For 44692/44702 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 29939 event pairs, 697 based on Foata normal form. 88/4349 useless extension candidates. Maximal degree in co-relation 23206. Up to 2551 conditions per place. [2025-03-09 06:30:27,669 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 276 selfloop transitions, 156 changer transitions 7/441 dead transitions. [2025-03-09 06:30:27,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 441 transitions, 8025 flow [2025-03-09 06:30:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:27,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2025-03-09 06:30:27,681 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34893048128342247 [2025-03-09 06:30:27,681 INFO L175 Difference]: Start difference. First operand has 331 places, 349 transitions, 6362 flow. Second operand 17 states and 261 transitions. [2025-03-09 06:30:27,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 441 transitions, 8025 flow [2025-03-09 06:30:27,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 441 transitions, 7958 flow, removed 8 selfloop flow, removed 4 redundant places. [2025-03-09 06:30:27,899 INFO L231 Difference]: Finished difference. Result has 348 places, 367 transitions, 7163 flow [2025-03-09 06:30:27,900 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6295, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7163, PETRI_PLACES=348, PETRI_TRANSITIONS=367} [2025-03-09 06:30:27,900 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 303 predicate places. [2025-03-09 06:30:27,900 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 367 transitions, 7163 flow [2025-03-09 06:30:27,900 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) [2025-03-09 06:30:27,900 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:27,900 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:27,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-09 06:30:27,900 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:27,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash 139631722, now seen corresponding path program 6 times [2025-03-09 06:30:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:27,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27328621] [2025-03-09 06:30:27,903 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 06:30:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:27,913 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:27,917 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:27,917 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-09 06:30:27,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:28,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:28,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:28,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27328621] [2025-03-09 06:30:28,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27328621] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:28,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:28,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:28,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630362816] [2025-03-09 06:30:28,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:28,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:28,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:28,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:28,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:28,188 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:28,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 367 transitions, 7163 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) [2025-03-09 06:30:28,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:28,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:28,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:29,395 INFO L124 PetriNetUnfolderBase]: 2140/4205 cut-off events. [2025-03-09 06:30:29,395 INFO L125 PetriNetUnfolderBase]: For 52533/52543 co-relation queries the response was YES. [2025-03-09 06:30:29,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24063 conditions, 4205 events. 2140/4205 cut-off events. For 52533/52543 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 29623 event pairs, 820 based on Foata normal form. 64/4269 useless extension candidates. Maximal degree in co-relation 23983. Up to 2125 conditions per place. [2025-03-09 06:30:29,435 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 320 selfloop transitions, 134 changer transitions 24/480 dead transitions. [2025-03-09 06:30:29,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 480 transitions, 9065 flow [2025-03-09 06:30:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-09 06:30:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2025-03-09 06:30:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 354 transitions. [2025-03-09 06:30:29,437 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29797979797979796 [2025-03-09 06:30:29,438 INFO L175 Difference]: Start difference. First operand has 348 places, 367 transitions, 7163 flow. Second operand 27 states and 354 transitions. [2025-03-09 06:30:29,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 480 transitions, 9065 flow [2025-03-09 06:30:29,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 480 transitions, 8713 flow, removed 44 selfloop flow, removed 7 redundant places. [2025-03-09 06:30:29,743 INFO L231 Difference]: Finished difference. Result has 371 places, 371 transitions, 7350 flow [2025-03-09 06:30:29,744 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6814, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=7350, PETRI_PLACES=371, PETRI_TRANSITIONS=371} [2025-03-09 06:30:29,744 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 326 predicate places. [2025-03-09 06:30:29,744 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 371 transitions, 7350 flow [2025-03-09 06:30:29,744 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) [2025-03-09 06:30:29,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:29,744 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:29,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-09 06:30:29,744 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:29,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash 328547564, now seen corresponding path program 2 times [2025-03-09 06:30:29,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504682742] [2025-03-09 06:30:29,745 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:29,753 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:29,756 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:29,756 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:29,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:30,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:30,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504682742] [2025-03-09 06:30:30,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504682742] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:30,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:30,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:30,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960857925] [2025-03-09 06:30:30,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:30,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:30,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:30,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:30,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:30,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:30,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 371 transitions, 7350 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) [2025-03-09 06:30:30,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:30,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:30,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:31,079 INFO L124 PetriNetUnfolderBase]: 2046/4013 cut-off events. [2025-03-09 06:30:31,080 INFO L125 PetriNetUnfolderBase]: For 47939/47949 co-relation queries the response was YES. [2025-03-09 06:30:31,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23308 conditions, 4013 events. 2046/4013 cut-off events. For 47939/47949 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 27999 event pairs, 700 based on Foata normal form. 34/4047 useless extension candidates. Maximal degree in co-relation 23223. Up to 2587 conditions per place. [2025-03-09 06:30:31,138 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 244 selfloop transitions, 142 changer transitions 47/435 dead transitions. [2025-03-09 06:30:31,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 435 transitions, 8447 flow [2025-03-09 06:30:31,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-09 06:30:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-09 06:30:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 319 transitions. [2025-03-09 06:30:31,139 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27884615384615385 [2025-03-09 06:30:31,139 INFO L175 Difference]: Start difference. First operand has 371 places, 371 transitions, 7350 flow. Second operand 26 states and 319 transitions. [2025-03-09 06:30:31,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 435 transitions, 8447 flow [2025-03-09 06:30:31,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 435 transitions, 8057 flow, removed 21 selfloop flow, removed 21 redundant places. [2025-03-09 06:30:31,450 INFO L231 Difference]: Finished difference. Result has 370 places, 346 transitions, 6729 flow [2025-03-09 06:30:31,450 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6932, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6729, PETRI_PLACES=370, PETRI_TRANSITIONS=346} [2025-03-09 06:30:31,451 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 325 predicate places. [2025-03-09 06:30:31,451 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 346 transitions, 6729 flow [2025-03-09 06:30:31,451 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) [2025-03-09 06:30:31,451 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:31,451 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:31,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-09 06:30:31,451 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:31,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:31,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1234003187, now seen corresponding path program 8 times [2025-03-09 06:30:31,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:31,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773274641] [2025-03-09 06:30:31,452 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:31,460 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:31,463 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:31,463 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:31,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:31,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:31,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773274641] [2025-03-09 06:30:31,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773274641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:31,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:31,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934808736] [2025-03-09 06:30:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:31,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:31,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:31,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:31,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:31,604 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:31,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 346 transitions, 6729 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) [2025-03-09 06:30:31,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:31,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:31,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:32,561 INFO L124 PetriNetUnfolderBase]: 2115/4188 cut-off events. [2025-03-09 06:30:32,561 INFO L125 PetriNetUnfolderBase]: For 45557/45567 co-relation queries the response was YES. [2025-03-09 06:30:32,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23083 conditions, 4188 events. 2115/4188 cut-off events. For 45557/45567 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 30067 event pairs, 521 based on Foata normal form. 94/4282 useless extension candidates. Maximal degree in co-relation 23001. Up to 1786 conditions per place. [2025-03-09 06:30:32,589 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 284 selfloop transitions, 159 changer transitions 5/450 dead transitions. [2025-03-09 06:30:32,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 450 transitions, 8279 flow [2025-03-09 06:30:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 06:30:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-09 06:30:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 263 transitions. [2025-03-09 06:30:32,590 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37357954545454547 [2025-03-09 06:30:32,590 INFO L175 Difference]: Start difference. First operand has 370 places, 346 transitions, 6729 flow. Second operand 16 states and 263 transitions. [2025-03-09 06:30:32,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 450 transitions, 8279 flow [2025-03-09 06:30:32,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 450 transitions, 7700 flow, removed 34 selfloop flow, removed 27 redundant places. [2025-03-09 06:30:32,793 INFO L231 Difference]: Finished difference. Result has 351 places, 355 transitions, 6827 flow [2025-03-09 06:30:32,793 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6205, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=6827, PETRI_PLACES=351, PETRI_TRANSITIONS=355} [2025-03-09 06:30:32,794 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 306 predicate places. [2025-03-09 06:30:32,794 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 355 transitions, 6827 flow [2025-03-09 06:30:32,794 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) [2025-03-09 06:30:32,794 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:32,794 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:32,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-09 06:30:32,795 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:32,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:32,795 INFO L85 PathProgramCache]: Analyzing trace with hash -283285551, now seen corresponding path program 3 times [2025-03-09 06:30:32,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:32,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430684864] [2025-03-09 06:30:32,795 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:32,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:32,808 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:32,812 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:32,812 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:32,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:32,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:32,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430684864] [2025-03-09 06:30:32,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430684864] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:32,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:32,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:32,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455980712] [2025-03-09 06:30:32,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:32,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:32,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:32,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:32,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:32,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:32,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 355 transitions, 6827 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) [2025-03-09 06:30:32,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:32,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:32,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:34,006 INFO L124 PetriNetUnfolderBase]: 2052/4071 cut-off events. [2025-03-09 06:30:34,007 INFO L125 PetriNetUnfolderBase]: For 44216/44226 co-relation queries the response was YES. [2025-03-09 06:30:34,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22497 conditions, 4071 events. 2052/4071 cut-off events. For 44216/44226 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 28858 event pairs, 609 based on Foata normal form. 34/4105 useless extension candidates. Maximal degree in co-relation 22422. Up to 973 conditions per place. [2025-03-09 06:30:34,037 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 274 selfloop transitions, 170 changer transitions 0/446 dead transitions. [2025-03-09 06:30:34,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 446 transitions, 8024 flow [2025-03-09 06:30:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:34,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:34,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 302 transitions. [2025-03-09 06:30:34,042 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3431818181818182 [2025-03-09 06:30:34,042 INFO L175 Difference]: Start difference. First operand has 351 places, 355 transitions, 6827 flow. Second operand 20 states and 302 transitions. [2025-03-09 06:30:34,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 446 transitions, 8024 flow [2025-03-09 06:30:34,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 446 transitions, 7833 flow, removed 30 selfloop flow, removed 8 redundant places. [2025-03-09 06:30:34,240 INFO L231 Difference]: Finished difference. Result has 368 places, 360 transitions, 7137 flow [2025-03-09 06:30:34,240 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6640, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7137, PETRI_PLACES=368, PETRI_TRANSITIONS=360} [2025-03-09 06:30:34,241 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 323 predicate places. [2025-03-09 06:30:34,241 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 360 transitions, 7137 flow [2025-03-09 06:30:34,241 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) [2025-03-09 06:30:34,241 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:34,241 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:34,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-09 06:30:34,241 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:34,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:34,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1234003188, now seen corresponding path program 7 times [2025-03-09 06:30:34,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:34,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579246533] [2025-03-09 06:30:34,242 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-09 06:30:34,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:34,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:34,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:34,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:34,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:34,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:34,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579246533] [2025-03-09 06:30:34,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579246533] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:34,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:34,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:34,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905612514] [2025-03-09 06:30:34,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:34,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:34,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:34,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:34,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:34,517 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:34,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 360 transitions, 7137 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) [2025-03-09 06:30:34,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:34,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:34,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:35,658 INFO L124 PetriNetUnfolderBase]: 2089/4192 cut-off events. [2025-03-09 06:30:35,658 INFO L125 PetriNetUnfolderBase]: For 49976/49986 co-relation queries the response was YES. [2025-03-09 06:30:35,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23359 conditions, 4192 events. 2089/4192 cut-off events. For 49976/49986 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 30240 event pairs, 873 based on Foata normal form. 70/4262 useless extension candidates. Maximal degree in co-relation 23279. Up to 2476 conditions per place. [2025-03-09 06:30:35,701 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 364 selfloop transitions, 104 changer transitions 17/487 dead transitions. [2025-03-09 06:30:35,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 487 transitions, 9466 flow [2025-03-09 06:30:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 06:30:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-09 06:30:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 318 transitions. [2025-03-09 06:30:35,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.28909090909090907 [2025-03-09 06:30:35,703 INFO L175 Difference]: Start difference. First operand has 368 places, 360 transitions, 7137 flow. Second operand 25 states and 318 transitions. [2025-03-09 06:30:35,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 487 transitions, 9466 flow [2025-03-09 06:30:35,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 487 transitions, 9312 flow, removed 7 selfloop flow, removed 9 redundant places. [2025-03-09 06:30:35,938 INFO L231 Difference]: Finished difference. Result has 387 places, 370 transitions, 7614 flow [2025-03-09 06:30:35,939 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6971, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=7614, PETRI_PLACES=387, PETRI_TRANSITIONS=370} [2025-03-09 06:30:35,939 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 342 predicate places. [2025-03-09 06:30:35,939 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 370 transitions, 7614 flow [2025-03-09 06:30:35,939 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) [2025-03-09 06:30:35,939 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:35,940 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:35,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-09 06:30:35,940 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:35,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash 537531636, now seen corresponding path program 3 times [2025-03-09 06:30:35,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:35,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155813775] [2025-03-09 06:30:35,940 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:35,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:35,951 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:35,955 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:35,956 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:35,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:36,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:36,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155813775] [2025-03-09 06:30:36,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155813775] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:36,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:36,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:36,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081776405] [2025-03-09 06:30:36,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:36,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:36,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:36,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:36,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:36,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:36,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 370 transitions, 7614 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) [2025-03-09 06:30:36,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:36,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:36,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:37,365 INFO L124 PetriNetUnfolderBase]: 1991/4024 cut-off events. [2025-03-09 06:30:37,366 INFO L125 PetriNetUnfolderBase]: For 47756/47766 co-relation queries the response was YES. [2025-03-09 06:30:37,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22981 conditions, 4024 events. 1991/4024 cut-off events. For 47756/47766 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 29003 event pairs, 709 based on Foata normal form. 46/4070 useless extension candidates. Maximal degree in co-relation 22899. Up to 2604 conditions per place. [2025-03-09 06:30:37,404 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 274 selfloop transitions, 130 changer transitions 42/448 dead transitions. [2025-03-09 06:30:37,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 448 transitions, 8895 flow [2025-03-09 06:30:37,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 06:30:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-09 06:30:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 324 transitions. [2025-03-09 06:30:37,405 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29454545454545455 [2025-03-09 06:30:37,405 INFO L175 Difference]: Start difference. First operand has 387 places, 370 transitions, 7614 flow. Second operand 25 states and 324 transitions. [2025-03-09 06:30:37,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 448 transitions, 8895 flow [2025-03-09 06:30:37,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 448 transitions, 8443 flow, removed 28 selfloop flow, removed 21 redundant places. [2025-03-09 06:30:37,668 INFO L231 Difference]: Finished difference. Result has 387 places, 343 transitions, 6958 flow [2025-03-09 06:30:37,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7174, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=6958, PETRI_PLACES=387, PETRI_TRANSITIONS=343} [2025-03-09 06:30:37,669 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 342 predicate places. [2025-03-09 06:30:37,669 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 343 transitions, 6958 flow [2025-03-09 06:30:37,669 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) [2025-03-09 06:30:37,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:37,669 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:37,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-09 06:30:37,669 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:37,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:37,669 INFO L85 PathProgramCache]: Analyzing trace with hash 646251507, now seen corresponding path program 9 times [2025-03-09 06:30:37,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:37,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999592475] [2025-03-09 06:30:37,670 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:37,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:37,679 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-03-09 06:30:37,682 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:37,682 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:37,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:37,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:37,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999592475] [2025-03-09 06:30:37,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999592475] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:37,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:37,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885437189] [2025-03-09 06:30:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:37,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:37,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:37,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:37,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:37,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:37,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 343 transitions, 6958 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) [2025-03-09 06:30:37,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:37,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:37,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:38,906 INFO L124 PetriNetUnfolderBase]: 2004/4095 cut-off events. [2025-03-09 06:30:38,906 INFO L125 PetriNetUnfolderBase]: For 47164/47174 co-relation queries the response was YES. [2025-03-09 06:30:38,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23011 conditions, 4095 events. 2004/4095 cut-off events. For 47164/47174 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 29824 event pairs, 624 based on Foata normal form. 52/4147 useless extension candidates. Maximal degree in co-relation 22932. Up to 1424 conditions per place. [2025-03-09 06:30:38,941 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 260 selfloop transitions, 163 changer transitions 7/432 dead transitions. [2025-03-09 06:30:38,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 432 transitions, 8276 flow [2025-03-09 06:30:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 273 transitions. [2025-03-09 06:30:38,942 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3446969696969697 [2025-03-09 06:30:38,942 INFO L175 Difference]: Start difference. First operand has 387 places, 343 transitions, 6958 flow. Second operand 18 states and 273 transitions. [2025-03-09 06:30:38,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 432 transitions, 8276 flow [2025-03-09 06:30:39,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 432 transitions, 7721 flow, removed 8 selfloop flow, removed 27 redundant places. [2025-03-09 06:30:39,165 INFO L231 Difference]: Finished difference. Result has 372 places, 347 transitions, 6901 flow [2025-03-09 06:30:39,165 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6419, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6901, PETRI_PLACES=372, PETRI_TRANSITIONS=347} [2025-03-09 06:30:39,166 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 327 predicate places. [2025-03-09 06:30:39,166 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 347 transitions, 6901 flow [2025-03-09 06:30:39,166 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) [2025-03-09 06:30:39,166 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:39,166 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:39,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-09 06:30:39,166 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:39,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:39,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1513003695, now seen corresponding path program 10 times [2025-03-09 06:30:39,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:39,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416826657] [2025-03-09 06:30:39,166 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:39,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:39,175 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 18 statements into 2 equivalence classes. [2025-03-09 06:30:39,178 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:39,178 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:39,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:39,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:39,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416826657] [2025-03-09 06:30:39,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416826657] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:39,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:39,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:39,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342195581] [2025-03-09 06:30:39,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:39,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:39,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:39,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:39,478 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:39,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 347 transitions, 6901 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) [2025-03-09 06:30:39,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:39,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:39,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:40,680 INFO L124 PetriNetUnfolderBase]: 1925/3958 cut-off events. [2025-03-09 06:30:40,680 INFO L125 PetriNetUnfolderBase]: For 40772/40782 co-relation queries the response was YES. [2025-03-09 06:30:40,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22041 conditions, 3958 events. 1925/3958 cut-off events. For 40772/40782 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 28970 event pairs, 618 based on Foata normal form. 58/4016 useless extension candidates. Maximal degree in co-relation 21964. Up to 1851 conditions per place. [2025-03-09 06:30:40,712 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 332 selfloop transitions, 141 changer transitions 6/481 dead transitions. [2025-03-09 06:30:40,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 481 transitions, 8684 flow [2025-03-09 06:30:40,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 06:30:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-09 06:30:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 353 transitions. [2025-03-09 06:30:40,713 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3209090909090909 [2025-03-09 06:30:40,713 INFO L175 Difference]: Start difference. First operand has 372 places, 347 transitions, 6901 flow. Second operand 25 states and 353 transitions. [2025-03-09 06:30:40,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 481 transitions, 8684 flow [2025-03-09 06:30:40,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 481 transitions, 8202 flow, removed 32 selfloop flow, removed 19 redundant places. [2025-03-09 06:30:40,906 INFO L231 Difference]: Finished difference. Result has 372 places, 364 transitions, 6973 flow [2025-03-09 06:30:40,906 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6384, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=6973, PETRI_PLACES=372, PETRI_TRANSITIONS=364} [2025-03-09 06:30:40,907 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 327 predicate places. [2025-03-09 06:30:40,907 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 364 transitions, 6973 flow [2025-03-09 06:30:40,907 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) [2025-03-09 06:30:40,907 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:40,907 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:40,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-09 06:30:40,907 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:40,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:40,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1527589901, now seen corresponding path program 4 times [2025-03-09 06:30:40,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:40,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466281698] [2025-03-09 06:30:40,908 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:40,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:40,916 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 18 statements into 2 equivalence classes. [2025-03-09 06:30:40,921 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 06:30:40,921 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:40,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:41,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:41,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466281698] [2025-03-09 06:30:41,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466281698] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:41,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:41,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:41,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358850754] [2025-03-09 06:30:41,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:41,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:41,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:41,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:41,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:41,114 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:41,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 364 transitions, 6973 flow. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:41,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:41,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:41,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:42,066 INFO L124 PetriNetUnfolderBase]: 2271/4994 cut-off events. [2025-03-09 06:30:42,066 INFO L125 PetriNetUnfolderBase]: For 48538/48544 co-relation queries the response was YES. [2025-03-09 06:30:42,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26571 conditions, 4994 events. 2271/4994 cut-off events. For 48538/48544 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 41475 event pairs, 456 based on Foata normal form. 30/5022 useless extension candidates. Maximal degree in co-relation 26502. Up to 1823 conditions per place. [2025-03-09 06:30:42,104 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 372 selfloop transitions, 169 changer transitions 9/552 dead transitions. [2025-03-09 06:30:42,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 552 transitions, 11219 flow [2025-03-09 06:30:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:30:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:30:42,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 188 transitions. [2025-03-09 06:30:42,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3560606060606061 [2025-03-09 06:30:42,105 INFO L175 Difference]: Start difference. First operand has 372 places, 364 transitions, 6973 flow. Second operand 12 states and 188 transitions. [2025-03-09 06:30:42,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 552 transitions, 11219 flow [2025-03-09 06:30:42,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 552 transitions, 10530 flow, removed 187 selfloop flow, removed 23 redundant places. [2025-03-09 06:30:42,323 INFO L231 Difference]: Finished difference. Result has 363 places, 405 transitions, 7888 flow [2025-03-09 06:30:42,323 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6374, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7888, PETRI_PLACES=363, PETRI_TRANSITIONS=405} [2025-03-09 06:30:42,323 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 318 predicate places. [2025-03-09 06:30:42,323 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 405 transitions, 7888 flow [2025-03-09 06:30:42,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:42,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:42,323 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:42,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-09 06:30:42,324 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:42,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:42,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1926535297, now seen corresponding path program 1 times [2025-03-09 06:30:42,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:42,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000790675] [2025-03-09 06:30:42,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:42,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:42,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 06:30:42,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 06:30:42,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:42,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:42,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:42,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000790675] [2025-03-09 06:30:42,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000790675] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:42,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:42,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:42,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001889337] [2025-03-09 06:30:42,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:42,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:42,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:42,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:42,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:42,757 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:42,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 405 transitions, 7888 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) [2025-03-09 06:30:42,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:42,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:42,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:43,866 INFO L124 PetriNetUnfolderBase]: 2307/4986 cut-off events. [2025-03-09 06:30:43,866 INFO L125 PetriNetUnfolderBase]: For 39374/39376 co-relation queries the response was YES. [2025-03-09 06:30:43,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26914 conditions, 4986 events. 2307/4986 cut-off events. For 39374/39376 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 40368 event pairs, 995 based on Foata normal form. 10/4994 useless extension candidates. Maximal degree in co-relation 26853. Up to 3820 conditions per place. [2025-03-09 06:30:43,917 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 300 selfloop transitions, 152 changer transitions 0/454 dead transitions. [2025-03-09 06:30:43,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 454 transitions, 9025 flow [2025-03-09 06:30:43,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 228 transitions. [2025-03-09 06:30:43,919 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2878787878787879 [2025-03-09 06:30:43,919 INFO L175 Difference]: Start difference. First operand has 363 places, 405 transitions, 7888 flow. Second operand 18 states and 228 transitions. [2025-03-09 06:30:43,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 454 transitions, 9025 flow [2025-03-09 06:30:44,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 454 transitions, 8956 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-09 06:30:44,156 INFO L231 Difference]: Finished difference. Result has 381 places, 413 transitions, 8247 flow [2025-03-09 06:30:44,157 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7819, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=8247, PETRI_PLACES=381, PETRI_TRANSITIONS=413} [2025-03-09 06:30:44,158 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 336 predicate places. [2025-03-09 06:30:44,158 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 413 transitions, 8247 flow [2025-03-09 06:30:44,158 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) [2025-03-09 06:30:44,158 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:44,158 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:44,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-09 06:30:44,158 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:44,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:44,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1915237023, now seen corresponding path program 2 times [2025-03-09 06:30:44,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:44,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296710822] [2025-03-09 06:30:44,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:44,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:44,171 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 1 equivalence classes. [2025-03-09 06:30:44,175 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 06:30:44,175 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:44,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:44,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:44,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296710822] [2025-03-09 06:30:44,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296710822] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:44,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:44,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:44,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193334743] [2025-03-09 06:30:44,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:44,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:44,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:44,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:44,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:44,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:44,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 413 transitions, 8247 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) [2025-03-09 06:30:44,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:44,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:44,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:45,793 INFO L124 PetriNetUnfolderBase]: 2297/4970 cut-off events. [2025-03-09 06:30:45,793 INFO L125 PetriNetUnfolderBase]: For 40952/40954 co-relation queries the response was YES. [2025-03-09 06:30:45,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27208 conditions, 4970 events. 2297/4970 cut-off events. For 40952/40954 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 40239 event pairs, 1003 based on Foata normal form. 10/4978 useless extension candidates. Maximal degree in co-relation 27141. Up to 3820 conditions per place. [2025-03-09 06:30:45,830 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 296 selfloop transitions, 153 changer transitions 0/451 dead transitions. [2025-03-09 06:30:45,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 451 transitions, 9284 flow [2025-03-09 06:30:45,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 222 transitions. [2025-03-09 06:30:45,832 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2803030303030303 [2025-03-09 06:30:45,832 INFO L175 Difference]: Start difference. First operand has 381 places, 413 transitions, 8247 flow. Second operand 18 states and 222 transitions. [2025-03-09 06:30:45,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 451 transitions, 9284 flow [2025-03-09 06:30:46,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 451 transitions, 8904 flow, removed 12 selfloop flow, removed 15 redundant places. [2025-03-09 06:30:46,011 INFO L231 Difference]: Finished difference. Result has 382 places, 414 transitions, 8188 flow [2025-03-09 06:30:46,012 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7857, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=8188, PETRI_PLACES=382, PETRI_TRANSITIONS=414} [2025-03-09 06:30:46,012 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 337 predicate places. [2025-03-09 06:30:46,012 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 414 transitions, 8188 flow [2025-03-09 06:30:46,012 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) [2025-03-09 06:30:46,012 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:46,012 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:46,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-09 06:30:46,013 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:46,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:46,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1926535296, now seen corresponding path program 1 times [2025-03-09 06:30:46,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:46,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907042643] [2025-03-09 06:30:46,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:46,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:46,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 06:30:46,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 06:30:46,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:46,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:46,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:46,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907042643] [2025-03-09 06:30:46,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907042643] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:46,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:46,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:46,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118615830] [2025-03-09 06:30:46,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:46,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:46,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:46,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:46,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:46,420 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:46,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 414 transitions, 8188 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) [2025-03-09 06:30:46,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:46,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:46,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:47,720 INFO L124 PetriNetUnfolderBase]: 2287/4954 cut-off events. [2025-03-09 06:30:47,720 INFO L125 PetriNetUnfolderBase]: For 39716/39718 co-relation queries the response was YES. [2025-03-09 06:30:47,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27051 conditions, 4954 events. 2287/4954 cut-off events. For 39716/39718 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 40144 event pairs, 897 based on Foata normal form. 10/4964 useless extension candidates. Maximal degree in co-relation 26989. Up to 3818 conditions per place. [2025-03-09 06:30:47,752 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 309 selfloop transitions, 136 changer transitions 22/469 dead transitions. [2025-03-09 06:30:47,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 469 transitions, 9277 flow [2025-03-09 06:30:47,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-09 06:30:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2025-03-09 06:30:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 315 transitions. [2025-03-09 06:30:47,753 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2556818181818182 [2025-03-09 06:30:47,753 INFO L175 Difference]: Start difference. First operand has 382 places, 414 transitions, 8188 flow. Second operand 28 states and 315 transitions. [2025-03-09 06:30:47,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 469 transitions, 9277 flow [2025-03-09 06:30:47,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 469 transitions, 8879 flow, removed 9 selfloop flow, removed 18 redundant places. [2025-03-09 06:30:47,898 INFO L231 Difference]: Finished difference. Result has 389 places, 401 transitions, 7893 flow [2025-03-09 06:30:47,898 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7753, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=7893, PETRI_PLACES=389, PETRI_TRANSITIONS=401} [2025-03-09 06:30:47,899 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 344 predicate places. [2025-03-09 06:30:47,899 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 401 transitions, 7893 flow [2025-03-09 06:30:47,899 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) [2025-03-09 06:30:47,899 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:47,899 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:47,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-09 06:30:47,899 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:47,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:47,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1915237022, now seen corresponding path program 2 times [2025-03-09 06:30:47,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:47,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306628993] [2025-03-09 06:30:47,900 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:47,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:47,910 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 1 equivalence classes. [2025-03-09 06:30:47,914 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 06:30:47,914 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:47,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:48,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:48,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306628993] [2025-03-09 06:30:48,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306628993] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:48,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:48,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:48,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718354034] [2025-03-09 06:30:48,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:48,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:48,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:48,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:48,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:48,377 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:48,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 401 transitions, 7893 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) [2025-03-09 06:30:48,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:48,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:48,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:49,543 INFO L124 PetriNetUnfolderBase]: 2235/4848 cut-off events. [2025-03-09 06:30:49,543 INFO L125 PetriNetUnfolderBase]: For 38321/38323 co-relation queries the response was YES. [2025-03-09 06:30:49,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26544 conditions, 4848 events. 2235/4848 cut-off events. For 38321/38323 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 39177 event pairs, 883 based on Foata normal form. 10/4854 useless extension candidates. Maximal degree in co-relation 26486. Up to 3818 conditions per place. [2025-03-09 06:30:49,580 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 306 selfloop transitions, 132 changer transitions 39/479 dead transitions. [2025-03-09 06:30:49,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 479 transitions, 9708 flow [2025-03-09 06:30:49,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:30:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:30:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 259 transitions. [2025-03-09 06:30:49,581 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25592885375494073 [2025-03-09 06:30:49,581 INFO L175 Difference]: Start difference. First operand has 389 places, 401 transitions, 7893 flow. Second operand 23 states and 259 transitions. [2025-03-09 06:30:49,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 479 transitions, 9708 flow [2025-03-09 06:30:49,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 479 transitions, 9320 flow, removed 3 selfloop flow, removed 26 redundant places. [2025-03-09 06:30:49,739 INFO L231 Difference]: Finished difference. Result has 369 places, 382 transitions, 7640 flow [2025-03-09 06:30:49,739 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7510, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7640, PETRI_PLACES=369, PETRI_TRANSITIONS=382} [2025-03-09 06:30:49,740 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 324 predicate places. [2025-03-09 06:30:49,740 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 382 transitions, 7640 flow [2025-03-09 06:30:49,740 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) [2025-03-09 06:30:49,740 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:49,740 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:49,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-09 06:30:49,740 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:49,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:49,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1966788941, now seen corresponding path program 1 times [2025-03-09 06:30:49,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:49,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993928146] [2025-03-09 06:30:49,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:49,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:49,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 06:30:49,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 06:30:49,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:49,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:50,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:50,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993928146] [2025-03-09 06:30:50,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993928146] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:50,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:50,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:50,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361301849] [2025-03-09 06:30:50,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:50,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:50,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:50,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:50,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:50,144 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:50,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 382 transitions, 7640 flow. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:50,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:50,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:50,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:51,245 INFO L124 PetriNetUnfolderBase]: 2153/4704 cut-off events. [2025-03-09 06:30:51,246 INFO L125 PetriNetUnfolderBase]: For 37730/37732 co-relation queries the response was YES. [2025-03-09 06:30:51,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25725 conditions, 4704 events. 2153/4704 cut-off events. For 37730/37732 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 38317 event pairs, 760 based on Foata normal form. 24/4724 useless extension candidates. Maximal degree in co-relation 25669. Up to 1956 conditions per place. [2025-03-09 06:30:51,285 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 249 selfloop transitions, 215 changer transitions 11/477 dead transitions. [2025-03-09 06:30:51,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 477 transitions, 8947 flow [2025-03-09 06:30:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-09 06:30:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2025-03-09 06:30:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 337 transitions. [2025-03-09 06:30:51,286 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2836700336700337 [2025-03-09 06:30:51,286 INFO L175 Difference]: Start difference. First operand has 369 places, 382 transitions, 7640 flow. Second operand 27 states and 337 transitions. [2025-03-09 06:30:51,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 477 transitions, 8947 flow [2025-03-09 06:30:51,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 477 transitions, 8702 flow, removed 24 selfloop flow, removed 21 redundant places. [2025-03-09 06:30:51,427 INFO L231 Difference]: Finished difference. Result has 350 places, 385 transitions, 7906 flow [2025-03-09 06:30:51,427 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7411, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=212, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=7906, PETRI_PLACES=350, PETRI_TRANSITIONS=385} [2025-03-09 06:30:51,428 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 305 predicate places. [2025-03-09 06:30:51,428 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 385 transitions, 7906 flow [2025-03-09 06:30:51,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:51,428 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:51,428 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:51,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-09 06:30:51,428 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:51,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:51,428 INFO L85 PathProgramCache]: Analyzing trace with hash -119223073, now seen corresponding path program 2 times [2025-03-09 06:30:51,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:51,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294490233] [2025-03-09 06:30:51,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:51,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:51,437 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 20 statements into 1 equivalence classes. [2025-03-09 06:30:51,440 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 06:30:51,440 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:51,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:51,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:51,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294490233] [2025-03-09 06:30:51,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294490233] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:51,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:51,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:51,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308075651] [2025-03-09 06:30:51,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:51,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:51,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:51,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:51,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:51,729 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:51,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 385 transitions, 7906 flow. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:51,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:51,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:51,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:52,968 INFO L124 PetriNetUnfolderBase]: 2100/4603 cut-off events. [2025-03-09 06:30:52,968 INFO L125 PetriNetUnfolderBase]: For 38609/38611 co-relation queries the response was YES. [2025-03-09 06:30:52,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25392 conditions, 4603 events. 2100/4603 cut-off events. For 38609/38611 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 37332 event pairs, 819 based on Foata normal form. 46/4647 useless extension candidates. Maximal degree in co-relation 25336. Up to 1974 conditions per place. [2025-03-09 06:30:52,999 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 358 selfloop transitions, 127 changer transitions 10/497 dead transitions. [2025-03-09 06:30:52,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 497 transitions, 9717 flow [2025-03-09 06:30:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 06:30:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-09 06:30:53,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 325 transitions. [2025-03-09 06:30:53,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29545454545454547 [2025-03-09 06:30:53,001 INFO L175 Difference]: Start difference. First operand has 350 places, 385 transitions, 7906 flow. Second operand 25 states and 325 transitions. [2025-03-09 06:30:53,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 497 transitions, 9717 flow [2025-03-09 06:30:53,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 497 transitions, 9462 flow, removed 7 selfloop flow, removed 20 redundant places. [2025-03-09 06:30:53,151 INFO L231 Difference]: Finished difference. Result has 356 places, 391 transitions, 8187 flow [2025-03-09 06:30:53,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7666, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=8187, PETRI_PLACES=356, PETRI_TRANSITIONS=391} [2025-03-09 06:30:53,152 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 311 predicate places. [2025-03-09 06:30:53,152 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 391 transitions, 8187 flow [2025-03-09 06:30:53,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:53,152 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:53,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:53,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-09 06:30:53,152 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:53,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:53,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2040032129, now seen corresponding path program 3 times [2025-03-09 06:30:53,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:53,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802253318] [2025-03-09 06:30:53,153 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:53,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:53,162 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 20 statements into 2 equivalence classes. [2025-03-09 06:30:53,166 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 19 of 20 statements. [2025-03-09 06:30:53,166 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:53,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:30:53,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:53,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802253318] [2025-03-09 06:30:53,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802253318] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:53,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:53,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:53,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049928988] [2025-03-09 06:30:53,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:53,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:53,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:53,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:53,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:53,338 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:53,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 391 transitions, 8187 flow. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:53,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:53,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:53,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:54,201 INFO L124 PetriNetUnfolderBase]: 1831/4014 cut-off events. [2025-03-09 06:30:54,201 INFO L125 PetriNetUnfolderBase]: For 34145/34147 co-relation queries the response was YES. [2025-03-09 06:30:54,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22487 conditions, 4014 events. 1831/4014 cut-off events. For 34145/34147 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 31915 event pairs, 758 based on Foata normal form. 62/4074 useless extension candidates. Maximal degree in co-relation 22429. Up to 1468 conditions per place. [2025-03-09 06:30:54,233 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 289 selfloop transitions, 152 changer transitions 0/443 dead transitions. [2025-03-09 06:30:54,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 443 transitions, 9703 flow [2025-03-09 06:30:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:30:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:30:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 167 transitions. [2025-03-09 06:30:54,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3162878787878788 [2025-03-09 06:30:54,234 INFO L175 Difference]: Start difference. First operand has 356 places, 391 transitions, 8187 flow. Second operand 12 states and 167 transitions. [2025-03-09 06:30:54,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 443 transitions, 9703 flow [2025-03-09 06:30:54,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 443 transitions, 9197 flow, removed 6 selfloop flow, removed 27 redundant places. [2025-03-09 06:30:54,366 INFO L231 Difference]: Finished difference. Result has 343 places, 405 transitions, 8434 flow [2025-03-09 06:30:54,366 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7215, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8434, PETRI_PLACES=343, PETRI_TRANSITIONS=405} [2025-03-09 06:30:54,366 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 298 predicate places. [2025-03-09 06:30:54,368 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 405 transitions, 8434 flow [2025-03-09 06:30:54,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:54,368 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:54,368 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:54,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-09 06:30:54,368 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:54,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:54,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1877067903, now seen corresponding path program 1 times [2025-03-09 06:30:54,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:54,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143316929] [2025-03-09 06:30:54,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:54,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 06:30:54,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 06:30:54,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:54,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:54,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:54,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143316929] [2025-03-09 06:30:54,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143316929] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:30:54,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194722853] [2025-03-09 06:30:54,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:54,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:30:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:30:54,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:30:54,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 06:30:54,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 06:30:54,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 06:30:54,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:54,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:54,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-09 06:30:55,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:30:55,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2025-03-09 06:30:55,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2025-03-09 06:30:55,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2025-03-09 06:30:55,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-09 06:30:55,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:30:55,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2025-03-09 06:30:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:55,442 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:30:55,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194722853] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:55,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:30:55,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2025-03-09 06:30:55,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729463896] [2025-03-09 06:30:55,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:55,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 06:30:55,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:55,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 06:30:55,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2025-03-09 06:30:55,444 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:55,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 405 transitions, 8434 flow. Second operand has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:55,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:55,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:55,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:56,723 INFO L124 PetriNetUnfolderBase]: 1883/4125 cut-off events. [2025-03-09 06:30:56,723 INFO L125 PetriNetUnfolderBase]: For 38463/38465 co-relation queries the response was YES. [2025-03-09 06:30:56,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24403 conditions, 4125 events. 1883/4125 cut-off events. For 38463/38465 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 32542 event pairs, 630 based on Foata normal form. 22/4147 useless extension candidates. Maximal degree in co-relation 24343. Up to 2337 conditions per place. [2025-03-09 06:30:56,752 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 328 selfloop transitions, 172 changer transitions 9/511 dead transitions. [2025-03-09 06:30:56,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 511 transitions, 10651 flow [2025-03-09 06:30:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:30:56,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:30:56,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 289 transitions. [2025-03-09 06:30:56,753 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2855731225296443 [2025-03-09 06:30:56,753 INFO L175 Difference]: Start difference. First operand has 343 places, 405 transitions, 8434 flow. Second operand 23 states and 289 transitions. [2025-03-09 06:30:56,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 511 transitions, 10651 flow [2025-03-09 06:30:56,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 511 transitions, 10624 flow, removed 12 selfloop flow, removed 2 redundant places. [2025-03-09 06:30:56,905 INFO L231 Difference]: Finished difference. Result has 366 places, 425 transitions, 9444 flow [2025-03-09 06:30:56,906 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8385, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=9444, PETRI_PLACES=366, PETRI_TRANSITIONS=425} [2025-03-09 06:30:56,906 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 321 predicate places. [2025-03-09 06:30:56,906 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 425 transitions, 9444 flow [2025-03-09 06:30:56,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:56,906 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:56,906 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:56,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 06:30:57,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-03-09 06:30:57,107 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:57,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:57,108 INFO L85 PathProgramCache]: Analyzing trace with hash -866645753, now seen corresponding path program 1 times [2025-03-09 06:30:57,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:57,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219275754] [2025-03-09 06:30:57,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:57,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 06:30:57,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:30:57,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:57,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:57,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:57,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219275754] [2025-03-09 06:30:57,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219275754] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:30:57,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683169258] [2025-03-09 06:30:57,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:57,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:30:57,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:30:57,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:30:57,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 06:30:57,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 06:30:57,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:30:57,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:57,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:57,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-09 06:30:57,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:30:57,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-03-09 06:30:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:30:57,895 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:30:57,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683169258] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:57,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:30:57,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 18 [2025-03-09 06:30:57,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891000109] [2025-03-09 06:30:57,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:57,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:30:57,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:57,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:30:57,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2025-03-09 06:30:57,896 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:57,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 425 transitions, 9444 flow. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:57,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:57,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:57,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:58,726 INFO L124 PetriNetUnfolderBase]: 1727/3911 cut-off events. [2025-03-09 06:30:58,726 INFO L125 PetriNetUnfolderBase]: For 41419/41419 co-relation queries the response was YES. [2025-03-09 06:30:58,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23939 conditions, 3911 events. 1727/3911 cut-off events. For 41419/41419 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 31192 event pairs, 414 based on Foata normal form. 74/3985 useless extension candidates. Maximal degree in co-relation 23875. Up to 1409 conditions per place. [2025-03-09 06:30:58,821 INFO L140 encePairwiseOnDemand]: 36/44 looper letters, 371 selfloop transitions, 194 changer transitions 2/569 dead transitions. [2025-03-09 06:30:58,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 569 transitions, 13145 flow [2025-03-09 06:30:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 06:30:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-09 06:30:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 182 transitions. [2025-03-09 06:30:58,822 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2025-03-09 06:30:58,822 INFO L175 Difference]: Start difference. First operand has 366 places, 425 transitions, 9444 flow. Second operand 13 states and 182 transitions. [2025-03-09 06:30:58,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 569 transitions, 13145 flow [2025-03-09 06:30:59,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 569 transitions, 12412 flow, removed 35 selfloop flow, removed 25 redundant places. [2025-03-09 06:30:59,024 INFO L231 Difference]: Finished difference. Result has 356 places, 456 transitions, 9990 flow [2025-03-09 06:30:59,024 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8333, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=9990, PETRI_PLACES=356, PETRI_TRANSITIONS=456} [2025-03-09 06:30:59,024 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 311 predicate places. [2025-03-09 06:30:59,025 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 456 transitions, 9990 flow [2025-03-09 06:30:59,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:30:59,025 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:59,025 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:59,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 06:30:59,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-03-09 06:30:59,225 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:59,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:59,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1880076731, now seen corresponding path program 2 times [2025-03-09 06:30:59,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:59,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540147149] [2025-03-09 06:30:59,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:59,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:59,242 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:30:59,251 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:30:59,252 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:30:59,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:59,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:59,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540147149] [2025-03-09 06:30:59,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540147149] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:30:59,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597318559] [2025-03-09 06:30:59,731 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:59,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:30:59,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:30:59,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:30:59,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 06:30:59,845 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:30:59,899 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:30:59,899 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:30:59,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:59,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-03-09 06:30:59,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:30:59,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2025-03-09 06:31:00,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2025-03-09 06:31:00,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2025-03-09 06:31:00,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-09 06:31:00,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:31:00,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2025-03-09 06:31:00,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:31:00,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2025-03-09 06:31:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:00,284 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:31:00,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597318559] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:31:00,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:31:00,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 23 [2025-03-09 06:31:00,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779469854] [2025-03-09 06:31:00,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:31:00,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 06:31:00,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:31:00,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 06:31:00,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2025-03-09 06:31:00,285 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:31:00,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 456 transitions, 9990 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:31:00,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:31:00,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:31:00,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:31:01,513 INFO L124 PetriNetUnfolderBase]: 1877/4259 cut-off events. [2025-03-09 06:31:01,513 INFO L125 PetriNetUnfolderBase]: For 44060/44060 co-relation queries the response was YES. [2025-03-09 06:31:01,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26645 conditions, 4259 events. 1877/4259 cut-off events. For 44060/44060 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 34715 event pairs, 1035 based on Foata normal form. 14/4273 useless extension candidates. Maximal degree in co-relation 26578. Up to 3461 conditions per place. [2025-03-09 06:31:01,548 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 491 selfloop transitions, 85 changer transitions 6/584 dead transitions. [2025-03-09 06:31:01,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 584 transitions, 12876 flow [2025-03-09 06:31:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:31:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:31:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 271 transitions. [2025-03-09 06:31:01,549 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.26778656126482214 [2025-03-09 06:31:01,549 INFO L175 Difference]: Start difference. First operand has 356 places, 456 transitions, 9990 flow. Second operand 23 states and 271 transitions. [2025-03-09 06:31:01,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 584 transitions, 12876 flow [2025-03-09 06:31:01,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 584 transitions, 12537 flow, removed 29 selfloop flow, removed 4 redundant places. [2025-03-09 06:31:01,757 INFO L231 Difference]: Finished difference. Result has 381 places, 488 transitions, 10494 flow [2025-03-09 06:31:01,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=9747, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=10494, PETRI_PLACES=381, PETRI_TRANSITIONS=488} [2025-03-09 06:31:01,758 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 336 predicate places. [2025-03-09 06:31:01,758 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 488 transitions, 10494 flow [2025-03-09 06:31:01,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:31:01,758 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:31:01,758 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:31:01,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 06:31:01,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:31:01,959 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:31:01,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:31:01,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1387251395, now seen corresponding path program 3 times [2025-03-09 06:31:01,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:31:01,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483664712] [2025-03-09 06:31:01,960 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:31:01,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:31:01,970 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:31:01,975 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:31:01,975 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-09 06:31:01,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:02,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:31:02,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483664712] [2025-03-09 06:31:02,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483664712] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:31:02,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925897985] [2025-03-09 06:31:02,453 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:31:02,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:31:02,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:31:02,455 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:31:02,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 06:31:02,581 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:31:02,675 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:31:02,675 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-09 06:31:02,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:02,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-03-09 06:31:02,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:31:02,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2025-03-09 06:31:02,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2025-03-09 06:31:02,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2025-03-09 06:31:03,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-09 06:31:03,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:31:03,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2025-03-09 06:31:03,085 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:31:03,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2025-03-09 06:31:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:03,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:31:03,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925897985] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:31:03,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:31:03,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 23 [2025-03-09 06:31:03,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471234594] [2025-03-09 06:31:03,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:31:03,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 06:31:03,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:31:03,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 06:31:03,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2025-03-09 06:31:03,088 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:31:03,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 488 transitions, 10494 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:31:03,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:31:03,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:31:03,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:31:04,640 INFO L124 PetriNetUnfolderBase]: 1948/4467 cut-off events. [2025-03-09 06:31:04,640 INFO L125 PetriNetUnfolderBase]: For 47678/47678 co-relation queries the response was YES. [2025-03-09 06:31:04,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28360 conditions, 4467 events. 1948/4467 cut-off events. For 47678/47678 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 37180 event pairs, 991 based on Foata normal form. 14/4481 useless extension candidates. Maximal degree in co-relation 28285. Up to 3209 conditions per place. [2025-03-09 06:31:04,685 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 456 selfloop transitions, 138 changer transitions 6/602 dead transitions. [2025-03-09 06:31:04,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 602 transitions, 13000 flow [2025-03-09 06:31:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-09 06:31:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-03-09 06:31:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 286 transitions. [2025-03-09 06:31:04,687 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2708333333333333 [2025-03-09 06:31:04,687 INFO L175 Difference]: Start difference. First operand has 381 places, 488 transitions, 10494 flow. Second operand 24 states and 286 transitions. [2025-03-09 06:31:04,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 602 transitions, 13000 flow [2025-03-09 06:31:04,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 602 transitions, 12870 flow, removed 7 selfloop flow, removed 13 redundant places. [2025-03-09 06:31:04,959 INFO L231 Difference]: Finished difference. Result has 397 places, 519 transitions, 11331 flow [2025-03-09 06:31:04,959 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=10364, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=11331, PETRI_PLACES=397, PETRI_TRANSITIONS=519} [2025-03-09 06:31:04,960 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 352 predicate places. [2025-03-09 06:31:04,960 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 519 transitions, 11331 flow [2025-03-09 06:31:04,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:31:04,960 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:31:04,960 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:31:04,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 06:31:05,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:31:05,160 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:31:05,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:31:05,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1872246941, now seen corresponding path program 4 times [2025-03-09 06:31:05,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:31:05,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904312823] [2025-03-09 06:31:05,161 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:31:05,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:31:05,175 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:31:05,183 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:31:05,183 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:31:05,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:05,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:05,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:31:05,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904312823] [2025-03-09 06:31:05,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904312823] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:31:05,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377407951] [2025-03-09 06:31:05,770 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:31:05,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:31:05,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:31:05,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:31:05,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 06:31:05,922 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:31:05,947 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:31:05,948 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:31:05,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:05,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-03-09 06:31:05,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:31:05,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2025-03-09 06:31:06,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2025-03-09 06:31:06,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2025-03-09 06:31:06,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-09 06:31:06,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:31:06,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2025-03-09 06:31:06,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:31:06,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2025-03-09 06:31:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:06,269 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:31:06,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377407951] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:31:06,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:31:06,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2025-03-09 06:31:06,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779611966] [2025-03-09 06:31:06,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:31:06,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 06:31:06,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:31:06,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 06:31:06,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2025-03-09 06:31:06,270 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:31:06,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 519 transitions, 11331 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:31:06,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:31:06,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:31:06,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:31:07,957 INFO L124 PetriNetUnfolderBase]: 2229/5301 cut-off events. [2025-03-09 06:31:07,957 INFO L125 PetriNetUnfolderBase]: For 61775/61775 co-relation queries the response was YES. [2025-03-09 06:31:07,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34528 conditions, 5301 events. 2229/5301 cut-off events. For 61775/61775 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 47313 event pairs, 609 based on Foata normal form. 58/5359 useless extension candidates. Maximal degree in co-relation 34446. Up to 1882 conditions per place. [2025-03-09 06:31:08,007 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 453 selfloop transitions, 329 changer transitions 16/800 dead transitions. [2025-03-09 06:31:08,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 800 transitions, 16801 flow [2025-03-09 06:31:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-09 06:31:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2025-03-09 06:31:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 335 transitions. [2025-03-09 06:31:08,009 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2719155844155844 [2025-03-09 06:31:08,009 INFO L175 Difference]: Start difference. First operand has 397 places, 519 transitions, 11331 flow. Second operand 28 states and 335 transitions. [2025-03-09 06:31:08,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 800 transitions, 16801 flow [2025-03-09 06:31:08,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 800 transitions, 16666 flow, removed 30 selfloop flow, removed 12 redundant places. [2025-03-09 06:31:08,356 INFO L231 Difference]: Finished difference. Result has 425 places, 645 transitions, 14835 flow [2025-03-09 06:31:08,356 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=11224, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=14835, PETRI_PLACES=425, PETRI_TRANSITIONS=645} [2025-03-09 06:31:08,356 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 380 predicate places. [2025-03-09 06:31:08,356 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 645 transitions, 14835 flow [2025-03-09 06:31:08,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:31:08,357 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:31:08,357 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:31:08,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 06:31:08,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-09 06:31:08,557 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:31:08,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:31:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash -603238043, now seen corresponding path program 5 times [2025-03-09 06:31:08,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:31:08,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181991994] [2025-03-09 06:31:08,558 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:31:08,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:31:08,570 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:31:08,576 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:31:08,576 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:31:08,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:09,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:31:09,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181991994] [2025-03-09 06:31:09,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181991994] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:31:09,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742531363] [2025-03-09 06:31:09,138 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:31:09,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:31:09,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:31:09,140 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:31:09,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 06:31:09,260 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:31:09,281 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:31:09,281 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:31:09,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:09,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-03-09 06:31:09,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:31:09,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2025-03-09 06:31:09,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2025-03-09 06:31:09,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2025-03-09 06:31:09,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-09 06:31:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-09 06:31:09,647 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-03-09 06:31:09,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2025-03-09 06:31:09,736 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:31:09,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 37 [2025-03-09 06:31:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:09,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:31:09,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742531363] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:31:09,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:31:09,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 22 [2025-03-09 06:31:09,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527350064] [2025-03-09 06:31:09,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:31:09,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 06:31:09,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:31:09,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 06:31:09,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-09 06:31:09,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:31:09,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 645 transitions, 14835 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:31:09,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:31:09,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:31:09,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:31:11,822 INFO L124 PetriNetUnfolderBase]: 2251/5445 cut-off events. [2025-03-09 06:31:11,822 INFO L125 PetriNetUnfolderBase]: For 80871/80871 co-relation queries the response was YES. [2025-03-09 06:31:11,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38597 conditions, 5445 events. 2251/5445 cut-off events. For 80871/80871 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 49572 event pairs, 682 based on Foata normal form. 58/5503 useless extension candidates. Maximal degree in co-relation 38502. Up to 2139 conditions per place. [2025-03-09 06:31:11,885 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 592 selfloop transitions, 316 changer transitions 16/926 dead transitions. [2025-03-09 06:31:11,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 926 transitions, 21381 flow [2025-03-09 06:31:11,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-09 06:31:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-09 06:31:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 313 transitions. [2025-03-09 06:31:11,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2736013986013986 [2025-03-09 06:31:11,886 INFO L175 Difference]: Start difference. First operand has 425 places, 645 transitions, 14835 flow. Second operand 26 states and 313 transitions. [2025-03-09 06:31:11,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 926 transitions, 21381 flow [2025-03-09 06:31:12,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 926 transitions, 21113 flow, removed 75 selfloop flow, removed 11 redundant places. [2025-03-09 06:31:12,471 INFO L231 Difference]: Finished difference. Result has 448 places, 761 transitions, 18473 flow [2025-03-09 06:31:12,471 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=14609, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=18473, PETRI_PLACES=448, PETRI_TRANSITIONS=761} [2025-03-09 06:31:12,471 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 403 predicate places. [2025-03-09 06:31:12,471 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 761 transitions, 18473 flow [2025-03-09 06:31:12,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:31:12,472 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:31:12,472 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:31:12,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 06:31:12,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-09 06:31:12,672 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:31:12,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:31:12,673 INFO L85 PathProgramCache]: Analyzing trace with hash -447508477, now seen corresponding path program 6 times [2025-03-09 06:31:12,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:31:12,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264842297] [2025-03-09 06:31:12,673 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 06:31:12,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:31:12,684 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:31:12,688 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:31:12,688 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-03-09 06:31:12,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:13,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:31:13,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264842297] [2025-03-09 06:31:13,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264842297] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:31:13,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127210168] [2025-03-09 06:31:13,158 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 06:31:13,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:31:13,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:31:13,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:31:13,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 06:31:13,297 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 26 statements into 2 equivalence classes. [2025-03-09 06:31:13,408 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 06:31:13,408 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-03-09 06:31:13,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:13,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-03-09 06:31:13,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:31:13,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2025-03-09 06:31:13,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2025-03-09 06:31:13,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2025-03-09 06:31:13,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-09 06:31:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-09 06:31:13,760 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-03-09 06:31:13,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2025-03-09 06:31:13,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:31:13,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 37 [2025-03-09 06:31:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:31:13,829 INFO L312 TraceCheckSpWp]: Computing backward predicates...