./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 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/pthread-complex/workstealqueue_mutex-2.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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 15:17:04,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 15:17:04,599 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 15:17:04,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 15:17:04,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 15:17:04,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 15:17:04,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 15:17:04,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 15:17:04,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 15:17:04,628 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 15:17:04,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 15:17:04,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 15:17:04,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 15:17:04,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 15:17:04,630 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 15:17:04,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 15:17:04,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 15:17:04,630 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 15:17:04,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 15:17:04,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 15:17:04,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 15:17:04,631 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 15:17:04,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 15:17:04,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 15:17:04,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 15:17:04,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 15:17:04,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 15:17:04,632 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 15:17:04,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 15:17:04,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 15:17:04,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 15:17:04,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 15:17:04,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 15:17:04,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 15:17:04,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 15:17:04,633 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 -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2025-03-04 15:17:04,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 15:17:04,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 15:17:04,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 15:17:04,859 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 15:17:04,859 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 15:17:04,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2025-03-04 15:17:06,005 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628a32cb8/924a9ba898b94b44b4694039579c36fa/FLAGcb4e2ed99 [2025-03-04 15:17:06,330 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 15:17:06,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2025-03-04 15:17:06,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628a32cb8/924a9ba898b94b44b4694039579c36fa/FLAGcb4e2ed99 [2025-03-04 15:17:06,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628a32cb8/924a9ba898b94b44b4694039579c36fa [2025-03-04 15:17:06,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 15:17:06,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 15:17:06,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 15:17:06,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 15:17:06,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 15:17:06,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:17:06" (1/1) ... [2025-03-04 15:17:06,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57472dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:06, skipping insertion in model container [2025-03-04 15:17:06,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:17:06" (1/1) ... [2025-03-04 15:17:06,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 15:17:07,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:17:07,058 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 15:17:07,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:17:07,208 INFO L204 MainTranslator]: Completed translation [2025-03-04 15:17:07,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07 WrapperNode [2025-03-04 15:17:07,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 15:17:07,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 15:17:07,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 15:17:07,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 15:17:07,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,308 INFO L138 Inliner]: procedures = 491, calls = 159, calls flagged for inlining = 48, calls inlined = 122, statements flattened = 1947 [2025-03-04 15:17:07,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 15:17:07,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 15:17:07,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 15:17:07,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 15:17:07,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,380 INFO L175 MemorySlicer]: Split 311 memory accesses to 9 slices as follows [2, 80, 6, 12, 2, 195, 2, 8, 4]. 63 percent of accesses are in the largest equivalence class. The 54 initializations are split as follows [2, 20, 0, 4, 0, 26, 0, 2, 0]. The 95 writes are split as follows [0, 20, 4, 4, 1, 61, 1, 2, 2]. [2025-03-04 15:17:07,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,410 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 15:17:07,451 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 15:17:07,451 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 15:17:07,451 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 15:17:07,452 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (1/1) ... [2025-03-04 15:17:07,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 15:17:07,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:17:07,476 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) [2025-03-04 15:17:07,512 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 [2025-03-04 15:17:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2025-03-04 15:17:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2025-03-04 15:17:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 15:17:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 15:17:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 15:17:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 15:17:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 15:17:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 15:17:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 15:17:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 15:17:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 15:17:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 15:17:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 15:17:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 15:17:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 15:17:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 15:17:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 15:17:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 15:17:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 15:17:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 15:17:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 15:17:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 15:17:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 15:17:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 15:17:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 15:17:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 15:17:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 15:17:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 15:17:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 15:17:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 15:17:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 15:17:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 15:17:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 15:17:07,535 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 15:17:07,804 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 15:17:07,805 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 15:17:08,054 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1935: havoc ~#r~0#1.base, ~#r~0#1.offset; [2025-03-04 15:17:08,054 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1935-1: SUMMARY for call ULTIMATE.dealloc(~#r~0#1.base, ~#r~0#1.offset); srcloc: null [2025-03-04 15:17:08,055 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:08,055 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-1: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:08,055 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-7: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:08,055 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-8: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:08,055 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828: havoc readV_#t~mem39#1; [2025-03-04 15:17:08,055 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-5: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,345 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,345 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-1: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,345 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-7: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,345 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-8: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,345 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-14: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,345 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-15: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,345 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-21: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-22: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-28: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-29: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-35: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-36: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-42: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-43: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-49: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-50: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-56: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-57: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-63: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-64: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-5: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-70: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-71: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-10: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-15: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-77: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-78: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-20: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-84: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-85: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-25: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-91: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-30: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-92: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-35: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-98: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,348 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-99: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-40: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-105: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-106: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-45: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-50: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-112: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-113: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-55: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-119: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-120: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-60: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-126: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-65: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-127: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-70: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-133: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-134: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-75: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-80: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-85: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-90: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-95: havoc readV_#t~mem39#1; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1882: havoc Pop_~temp~2#1; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1882-9: havoc Pop_~temp~2#1; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1888: havoc Pop_#t~ret61#1; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1888-8: havoc Pop_#t~ret61#1; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1946: havoc main_~#handles~0#1.base, main_~#handles~0#1.offset; [2025-03-04 15:17:09,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1946-1: SUMMARY for call ULTIMATE.dealloc(main_~#handles~0#1.base, main_~#handles~0#1.offset); srcloc: null [2025-03-04 15:17:09,351 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 15:17:09,351 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 15:17:10,195 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 15:17:10,197 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 15:17:10,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:17:10 BoogieIcfgContainer [2025-03-04 15:17:10,197 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 15:17:10,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 15:17:10,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 15:17:10,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 15:17:10,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:17:06" (1/3) ... [2025-03-04 15:17:10,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbdeb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:17:10, skipping insertion in model container [2025-03-04 15:17:10,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:17:07" (2/3) ... [2025-03-04 15:17:10,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbdeb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:17:10, skipping insertion in model container [2025-03-04 15:17:10,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:17:10" (3/3) ... [2025-03-04 15:17:10,205 INFO L128 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2025-03-04 15:17:10,218 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 15:17:10,220 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG workstealqueue_mutex-2.i that has 2 procedures, 400 locations, 1 initial locations, 11 loop locations, and 90 error locations. [2025-03-04 15:17:10,220 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 15:17:10,343 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-04 15:17:10,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 403 places, 452 transitions, 911 flow [2025-03-04 15:17:10,565 INFO L124 PetriNetUnfolderBase]: 97/838 cut-off events. [2025-03-04 15:17:10,567 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-04 15:17:10,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 838 events. 97/838 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4575 event pairs, 0 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 429. Up to 6 conditions per place. [2025-03-04 15:17:10,577 INFO L82 GeneralOperation]: Start removeDead. Operand has 403 places, 452 transitions, 911 flow [2025-03-04 15:17:10,585 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 452 transitions, 911 flow [2025-03-04 15:17:10,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 15:17:10,599 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;@698a3b0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 15:17:10,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2025-03-04 15:17:10,605 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 15:17:10,605 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2025-03-04 15:17:10,605 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 15:17:10,606 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:10,606 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-04 15:17:10,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-04 15:17:10,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:10,611 INFO L85 PathProgramCache]: Analyzing trace with hash 158549006, now seen corresponding path program 1 times [2025-03-04 15:17:10,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:10,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225036804] [2025-03-04 15:17:10,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:10,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:10,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 15:17:10,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 15:17:10,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:10,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:10,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:10,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:10,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225036804] [2025-03-04 15:17:10,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225036804] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:10,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:10,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-04 15:17:10,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899039296] [2025-03-04 15:17:10,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:11,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 15:17:11,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:11,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 15:17:11,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 15:17:11,048 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 452 [2025-03-04 15:17:11,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 452 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:11,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:11,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 452 [2025-03-04 15:17:11,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:12,961 INFO L124 PetriNetUnfolderBase]: 6164/14210 cut-off events. [2025-03-04 15:17:12,961 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-04 15:17:12,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24941 conditions, 14210 events. 6164/14210 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 109966 event pairs, 4137 based on Foata normal form. 1/12198 useless extension candidates. Maximal degree in co-relation 24275. Up to 10721 conditions per place. [2025-03-04 15:17:13,027 INFO L140 encePairwiseOnDemand]: 448/452 looper letters, 279 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2025-03-04 15:17:13,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 450 transitions, 1469 flow [2025-03-04 15:17:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 15:17:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 15:17:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2025-03-04 15:17:13,043 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5825958702064897 [2025-03-04 15:17:13,046 INFO L175 Difference]: Start difference. First operand has 403 places, 452 transitions, 911 flow. Second operand 3 states and 790 transitions. [2025-03-04 15:17:13,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 450 transitions, 1469 flow [2025-03-04 15:17:13,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 450 transitions, 1469 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 15:17:13,064 INFO L231 Difference]: Finished difference. Result has 403 places, 450 transitions, 911 flow [2025-03-04 15:17:13,067 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=403, PETRI_TRANSITIONS=450} [2025-03-04 15:17:13,069 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 0 predicate places. [2025-03-04 15:17:13,070 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 450 transitions, 911 flow [2025-03-04 15:17:13,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:13,071 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:13,071 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:13,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 15:17:13,071 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-04 15:17:13,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:13,071 INFO L85 PathProgramCache]: Analyzing trace with hash 395713676, now seen corresponding path program 1 times [2025-03-04 15:17:13,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:13,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389495748] [2025-03-04 15:17:13,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:13,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:17:13,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:17:13,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:13,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:13,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:13,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389495748] [2025-03-04 15:17:13,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389495748] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:13,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:13,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 15:17:13,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039753512] [2025-03-04 15:17:13,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:13,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 15:17:13,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:13,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 15:17:13,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 15:17:13,278 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 452 [2025-03-04 15:17:13,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 450 transitions, 911 flow. Second operand has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:13,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:13,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 452 [2025-03-04 15:17:13,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:16,549 INFO L124 PetriNetUnfolderBase]: 12013/26735 cut-off events. [2025-03-04 15:17:16,549 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-04 15:17:16,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47359 conditions, 26735 events. 12013/26735 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 208026 event pairs, 4032 based on Foata normal form. 110/23331 useless extension candidates. Maximal degree in co-relation 47340. Up to 10441 conditions per place. [2025-03-04 15:17:16,672 INFO L140 encePairwiseOnDemand]: 430/452 looper letters, 537 selfloop transitions, 13 changer transitions 2/713 dead transitions. [2025-03-04 15:17:16,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 713 transitions, 2541 flow [2025-03-04 15:17:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 15:17:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-04 15:17:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1218 transitions. [2025-03-04 15:17:16,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6736725663716814 [2025-03-04 15:17:16,676 INFO L175 Difference]: Start difference. First operand has 403 places, 450 transitions, 911 flow. Second operand 4 states and 1218 transitions. [2025-03-04 15:17:16,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 713 transitions, 2541 flow [2025-03-04 15:17:16,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 713 transitions, 2537 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 15:17:16,688 INFO L231 Difference]: Finished difference. Result has 406 places, 454 transitions, 981 flow [2025-03-04 15:17:16,689 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=981, PETRI_PLACES=406, PETRI_TRANSITIONS=454} [2025-03-04 15:17:16,690 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2025-03-04 15:17:16,690 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 454 transitions, 981 flow [2025-03-04 15:17:16,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:16,690 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:16,690 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:16,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 15:17:16,691 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-04 15:17:16,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:16,691 INFO L85 PathProgramCache]: Analyzing trace with hash -974133907, now seen corresponding path program 1 times [2025-03-04 15:17:16,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:16,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327705023] [2025-03-04 15:17:16,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:16,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:16,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:17:16,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:17:16,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:16,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:16,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:16,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327705023] [2025-03-04 15:17:16,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327705023] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 15:17:16,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025341417] [2025-03-04 15:17:16,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:16,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 15:17:16,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:17:16,904 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) [2025-03-04 15:17:16,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 15:17:17,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:17:17,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:17:17,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:17,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:17,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:17:17,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:17:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:17,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 15:17:17,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025341417] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:17,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 15:17:17,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-04 15:17:17,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317340384] [2025-03-04 15:17:17,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:17,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:17:17,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:17,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:17:17,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 15:17:17,124 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 452 [2025-03-04 15:17:17,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 454 transitions, 981 flow. Second operand has 6 states, 6 states have (on average 164.66666666666666) internal successors, (988), 6 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:17,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:17,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 452 [2025-03-04 15:17:17,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:20,300 INFO L124 PetriNetUnfolderBase]: 12013/26733 cut-off events. [2025-03-04 15:17:20,300 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2025-03-04 15:17:20,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47744 conditions, 26733 events. 12013/26733 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 208054 event pairs, 4032 based on Foata normal form. 1/23311 useless extension candidates. Maximal degree in co-relation 47709. Up to 10291 conditions per place. [2025-03-04 15:17:20,385 INFO L140 encePairwiseOnDemand]: 435/452 looper letters, 557 selfloop transitions, 18 changer transitions 1/737 dead transitions. [2025-03-04 15:17:20,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 737 transitions, 2697 flow [2025-03-04 15:17:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 15:17:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 15:17:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1555 transitions. [2025-03-04 15:17:20,389 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.573377581120944 [2025-03-04 15:17:20,389 INFO L175 Difference]: Start difference. First operand has 406 places, 454 transitions, 981 flow. Second operand 6 states and 1555 transitions. [2025-03-04 15:17:20,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 737 transitions, 2697 flow [2025-03-04 15:17:20,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 737 transitions, 2697 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 15:17:20,398 INFO L231 Difference]: Finished difference. Result has 409 places, 453 transitions, 1013 flow [2025-03-04 15:17:20,398 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1013, PETRI_PLACES=409, PETRI_TRANSITIONS=453} [2025-03-04 15:17:20,399 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2025-03-04 15:17:20,399 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 453 transitions, 1013 flow [2025-03-04 15:17:20,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.66666666666666) internal successors, (988), 6 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:20,399 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:20,399 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:20,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 15:17:20,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 15:17:20,600 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-04 15:17:20,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:20,601 INFO L85 PathProgramCache]: Analyzing trace with hash -133375039, now seen corresponding path program 1 times [2025-03-04 15:17:20,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:20,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385379504] [2025-03-04 15:17:20,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:20,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:20,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 15:17:20,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 15:17:20,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:20,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 15:17:20,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:20,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385379504] [2025-03-04 15:17:20,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385379504] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:20,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:20,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 15:17:20,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811814147] [2025-03-04 15:17:20,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:20,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 15:17:20,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:20,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 15:17:20,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 15:17:20,686 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 452 [2025-03-04 15:17:20,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 453 transitions, 1013 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:20,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:20,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 452 [2025-03-04 15:17:20,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:23,868 INFO L124 PetriNetUnfolderBase]: 11857/26587 cut-off events. [2025-03-04 15:17:23,869 INFO L125 PetriNetUnfolderBase]: For 452/452 co-relation queries the response was YES. [2025-03-04 15:17:23,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47516 conditions, 26587 events. 11857/26587 cut-off events. For 452/452 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 208174 event pairs, 8043 based on Foata normal form. 1/23179 useless extension candidates. Maximal degree in co-relation 47479. Up to 20323 conditions per place. [2025-03-04 15:17:23,943 INFO L140 encePairwiseOnDemand]: 449/452 looper letters, 281 selfloop transitions, 4 changer transitions 0/452 dead transitions. [2025-03-04 15:17:23,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 452 transitions, 1579 flow [2025-03-04 15:17:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 15:17:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 15:17:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2025-03-04 15:17:23,946 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5811209439528023 [2025-03-04 15:17:23,946 INFO L175 Difference]: Start difference. First operand has 409 places, 453 transitions, 1013 flow. Second operand 3 states and 788 transitions. [2025-03-04 15:17:23,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 452 transitions, 1579 flow [2025-03-04 15:17:23,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 452 transitions, 1547 flow, removed 2 selfloop flow, removed 4 redundant places. [2025-03-04 15:17:23,956 INFO L231 Difference]: Finished difference. Result has 406 places, 452 transitions, 985 flow [2025-03-04 15:17:23,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=985, PETRI_PLACES=406, PETRI_TRANSITIONS=452} [2025-03-04 15:17:23,958 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2025-03-04 15:17:23,958 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 452 transitions, 985 flow [2025-03-04 15:17:23,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:23,958 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:23,958 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:23,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 15:17:23,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-04 15:17:23,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash 680799318, now seen corresponding path program 1 times [2025-03-04 15:17:23,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:23,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820982795] [2025-03-04 15:17:23,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:23,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:17:23,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:17:23,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:23,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:24,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:24,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820982795] [2025-03-04 15:17:24,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820982795] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 15:17:24,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415557855] [2025-03-04 15:17:24,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:24,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 15:17:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:17:24,093 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) [2025-03-04 15:17:24,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 15:17:24,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:17:24,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:17:24,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:24,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:24,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:17:24,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:17:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:24,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 15:17:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:24,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415557855] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 15:17:24,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 15:17:24,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-04 15:17:24,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635944681] [2025-03-04 15:17:24,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 15:17:24,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 15:17:24,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:24,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 15:17:24,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-04 15:17:24,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 452 [2025-03-04 15:17:24,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 452 transitions, 985 flow. Second operand has 10 states, 10 states have (on average 163.9) internal successors, (1639), 10 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:24,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:24,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 452 [2025-03-04 15:17:24,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:27,234 INFO L124 PetriNetUnfolderBase]: 11987/26682 cut-off events. [2025-03-04 15:17:27,235 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2025-03-04 15:17:27,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47589 conditions, 26682 events. 11987/26682 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 207170 event pairs, 4053 based on Foata normal form. 68/23330 useless extension candidates. Maximal degree in co-relation 47537. Up to 10222 conditions per place. [2025-03-04 15:17:27,357 INFO L140 encePairwiseOnDemand]: 428/452 looper letters, 575 selfloop transitions, 27 changer transitions 1/763 dead transitions. [2025-03-04 15:17:27,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 763 transitions, 2813 flow [2025-03-04 15:17:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 15:17:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-04 15:17:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1904 transitions. [2025-03-04 15:17:27,361 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5265486725663717 [2025-03-04 15:17:27,361 INFO L175 Difference]: Start difference. First operand has 406 places, 452 transitions, 985 flow. Second operand 8 states and 1904 transitions. [2025-03-04 15:17:27,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 763 transitions, 2813 flow [2025-03-04 15:17:27,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 763 transitions, 2799 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 15:17:27,373 INFO L231 Difference]: Finished difference. Result has 409 places, 456 transitions, 1065 flow [2025-03-04 15:17:27,374 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1065, PETRI_PLACES=409, PETRI_TRANSITIONS=456} [2025-03-04 15:17:27,377 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2025-03-04 15:17:27,377 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 456 transitions, 1065 flow [2025-03-04 15:17:27,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.9) internal successors, (1639), 10 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:27,378 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:27,378 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:27,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 15:17:27,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 15:17:27,578 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-04 15:17:27,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:27,579 INFO L85 PathProgramCache]: Analyzing trace with hash -947540810, now seen corresponding path program 2 times [2025-03-04 15:17:27,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:27,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533453749] [2025-03-04 15:17:27,579 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:17:27,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:27,598 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-03-04 15:17:27,604 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 21 statements. [2025-03-04 15:17:27,605 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:17:27,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 15:17:27,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:27,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533453749] [2025-03-04 15:17:27,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533453749] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:27,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:27,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 15:17:27,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712863683] [2025-03-04 15:17:27,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:27,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 15:17:27,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:27,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 15:17:27,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 15:17:27,683 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 452 [2025-03-04 15:17:27,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 456 transitions, 1065 flow. Second operand has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:27,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:27,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 452 [2025-03-04 15:17:27,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:30,359 INFO L124 PetriNetUnfolderBase]: 11935/26595 cut-off events. [2025-03-04 15:17:30,359 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2025-03-04 15:17:30,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47905 conditions, 26595 events. 11935/26595 cut-off events. For 804/804 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 206763 event pairs, 3807 based on Foata normal form. 44/23228 useless extension candidates. Maximal degree in co-relation 47776. Up to 10296 conditions per place. [2025-03-04 15:17:30,453 INFO L140 encePairwiseOnDemand]: 437/452 looper letters, 561 selfloop transitions, 13 changer transitions 0/734 dead transitions. [2025-03-04 15:17:30,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 734 transitions, 2769 flow [2025-03-04 15:17:30,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 15:17:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-04 15:17:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1225 transitions. [2025-03-04 15:17:30,455 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6775442477876106 [2025-03-04 15:17:30,455 INFO L175 Difference]: Start difference. First operand has 409 places, 456 transitions, 1065 flow. Second operand 4 states and 1225 transitions. [2025-03-04 15:17:30,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 734 transitions, 2769 flow [2025-03-04 15:17:30,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 734 transitions, 2731 flow, removed 6 selfloop flow, removed 3 redundant places. [2025-03-04 15:17:30,465 INFO L231 Difference]: Finished difference. Result has 407 places, 454 transitions, 1049 flow [2025-03-04 15:17:30,465 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1049, PETRI_PLACES=407, PETRI_TRANSITIONS=454} [2025-03-04 15:17:30,466 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 4 predicate places. [2025-03-04 15:17:30,466 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 454 transitions, 1049 flow [2025-03-04 15:17:30,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:30,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:30,467 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:30,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 15:17:30,467 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-04 15:17:30,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:30,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1658267201, now seen corresponding path program 1 times [2025-03-04 15:17:30,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:30,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300038125] [2025-03-04 15:17:30,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:30,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:30,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 15:17:30,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 15:17:30,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:30,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:30,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:30,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300038125] [2025-03-04 15:17:30,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300038125] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 15:17:30,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333595254] [2025-03-04 15:17:30,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:30,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 15:17:30,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:17:30,627 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) [2025-03-04 15:17:30,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 15:17:30,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 15:17:30,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 15:17:30,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:30,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:30,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 15:17:30,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:17:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:30,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 15:17:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:30,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333595254] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 15:17:30,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 15:17:30,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2025-03-04 15:17:30,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679766190] [2025-03-04 15:17:30,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 15:17:30,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 15:17:30,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:30,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 15:17:30,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-04 15:17:30,918 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 452 [2025-03-04 15:17:30,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 454 transitions, 1049 flow. Second operand has 11 states, 11 states have (on average 163.8181818181818) internal successors, (1802), 11 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:30,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:30,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 452 [2025-03-04 15:17:30,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:34,598 INFO L124 PetriNetUnfolderBase]: 11987/26682 cut-off events. [2025-03-04 15:17:34,598 INFO L125 PetriNetUnfolderBase]: For 629/629 co-relation queries the response was YES. [2025-03-04 15:17:34,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48025 conditions, 26682 events. 11987/26682 cut-off events. For 629/629 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 207088 event pairs, 4053 based on Foata normal form. 1/23264 useless extension candidates. Maximal degree in co-relation 47888. Up to 10222 conditions per place. [2025-03-04 15:17:34,737 INFO L140 encePairwiseOnDemand]: 432/452 looper letters, 575 selfloop transitions, 29 changer transitions 0/762 dead transitions. [2025-03-04 15:17:34,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 762 transitions, 2883 flow [2025-03-04 15:17:34,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 15:17:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 15:17:34,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2225 transitions. [2025-03-04 15:17:34,743 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4922566371681416 [2025-03-04 15:17:34,743 INFO L175 Difference]: Start difference. First operand has 407 places, 454 transitions, 1049 flow. Second operand 10 states and 2225 transitions. [2025-03-04 15:17:34,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 762 transitions, 2883 flow [2025-03-04 15:17:34,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 762 transitions, 2869 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 15:17:34,754 INFO L231 Difference]: Finished difference. Result has 415 places, 456 transitions, 1129 flow [2025-03-04 15:17:34,755 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1129, PETRI_PLACES=415, PETRI_TRANSITIONS=456} [2025-03-04 15:17:34,756 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 12 predicate places. [2025-03-04 15:17:34,756 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 456 transitions, 1129 flow [2025-03-04 15:17:34,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 163.8181818181818) internal successors, (1802), 11 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:34,757 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:34,757 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:34,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 15:17:34,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 15:17:34,962 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-04 15:17:34,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:34,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2009460034, now seen corresponding path program 2 times [2025-03-04 15:17:34,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:34,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062262146] [2025-03-04 15:17:34,962 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:17:34,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:34,985 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 2 equivalence classes. [2025-03-04 15:17:35,030 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 15:17:35,030 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 15:17:35,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:17:35,030 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:17:35,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 15:17:35,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 15:17:35,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:35,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:17:35,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:17:35,088 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 15:17:35,089 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 97 remaining) [2025-03-04 15:17:35,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 97 remaining) [2025-03-04 15:17:35,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 97 remaining) [2025-03-04 15:17:35,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 97 remaining) [2025-03-04 15:17:35,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 97 remaining) [2025-03-04 15:17:35,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 97 remaining) [2025-03-04 15:17:35,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 97 remaining) [2025-03-04 15:17:35,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 97 remaining) [2025-03-04 15:17:35,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 97 remaining) [2025-03-04 15:17:35,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 97 remaining) [2025-03-04 15:17:35,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 97 remaining) [2025-03-04 15:17:35,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 97 remaining) [2025-03-04 15:17:35,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 97 remaining) [2025-03-04 15:17:35,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 97 remaining) [2025-03-04 15:17:35,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 15:17:35,098 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2025-03-04 15:17:35,100 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-04 15:17:35,100 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-04 15:17:35,188 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 15:17:35,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 492 transitions, 1000 flow [2025-03-04 15:17:35,332 INFO L124 PetriNetUnfolderBase]: 150/1289 cut-off events. [2025-03-04 15:17:35,332 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-04 15:17:35,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1301 conditions, 1289 events. 150/1289 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8298 event pairs, 0 based on Foata normal form. 0/879 useless extension candidates. Maximal degree in co-relation 840. Up to 9 conditions per place. [2025-03-04 15:17:35,339 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 492 transitions, 1000 flow [2025-03-04 15:17:35,349 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 492 transitions, 1000 flow [2025-03-04 15:17:35,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 15:17:35,352 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;@698a3b0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 15:17:35,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2025-03-04 15:17:35,354 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 15:17:35,354 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2025-03-04 15:17:35,354 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 15:17:35,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:35,355 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-04 15:17:35,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 100 more)] === [2025-03-04 15:17:35,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:35,355 INFO L85 PathProgramCache]: Analyzing trace with hash 173694734, now seen corresponding path program 1 times [2025-03-04 15:17:35,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:35,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375299517] [2025-03-04 15:17:35,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:35,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:35,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 15:17:35,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 15:17:35,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:35,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:35,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:35,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:35,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375299517] [2025-03-04 15:17:35,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375299517] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:35,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:35,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-04 15:17:35,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101488558] [2025-03-04 15:17:35,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:35,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 15:17:35,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:35,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 15:17:35,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 15:17:35,421 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 492 [2025-03-04 15:17:35,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 492 transitions, 1000 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:35,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:35,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 492 [2025-03-04 15:17:35,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand