./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 8fc3dc66 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-?-8fc3dc6-m [2025-03-17 19:33:26,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:33:26,057 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:33:26,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:33:26,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:33:26,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:33:26,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:33:26,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:33:26,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:33:26,076 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:33:26,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:33:26,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:33:26,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:33:26,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:33:26,077 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:33:26,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:33:26,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:33:26,077 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:33:26,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:33:26,078 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:33:26,078 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:33:26,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:33:26,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:33:26,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:33:26,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:33:26,080 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 [2025-03-17 19:33:26,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:33:26,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:33:26,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:33:26,300 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:33:26,300 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:33:26,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2025-03-17 19:33:27,418 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f1a15ef/7df06f252b124df0b61874a0fb55cc4e/FLAGbd08832f1 [2025-03-17 19:33:27,770 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:33:27,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2025-03-17 19:33:27,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f1a15ef/7df06f252b124df0b61874a0fb55cc4e/FLAGbd08832f1 [2025-03-17 19:33:27,805 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f1a15ef/7df06f252b124df0b61874a0fb55cc4e [2025-03-17 19:33:27,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:33:27,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:33:27,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:33:27,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:33:27,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:33:27,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:33:27" (1/1) ... [2025-03-17 19:33:27,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7593809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:27, skipping insertion in model container [2025-03-17 19:33:27,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:33:27" (1/1) ... [2025-03-17 19:33:27,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:33:28,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:33:28,316 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:33:28,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:33:28,479 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:33:28,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28 WrapperNode [2025-03-17 19:33:28,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:33:28,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:33:28,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:33:28,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:33:28,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,571 INFO L138 Inliner]: procedures = 491, calls = 159, calls flagged for inlining = 48, calls inlined = 122, statements flattened = 1947 [2025-03-17 19:33:28,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:33:28,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:33:28,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:33:28,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:33:28,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,634 INFO L175 MemorySlicer]: Split 311 memory accesses to 9 slices as follows [2, 80, 8, 2, 195, 12, 4, 6, 2]. 63 percent of accesses are in the largest equivalence class. The 54 initializations are split as follows [2, 20, 2, 0, 26, 4, 0, 0, 0]. The 95 writes are split as follows [0, 20, 2, 1, 61, 4, 2, 4, 1]. [2025-03-17 19:33:28,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,669 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:33:28,716 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:33:28,716 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:33:28,716 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:33:28,717 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (1/1) ... [2025-03-17 19:33:28,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:33:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:33:28,744 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) [2025-03-17 19:33:28,747 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 [2025-03-17 19:33:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2025-03-17 19:33:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2025-03-17 19:33:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-17 19:33:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:33:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:33:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 19:33:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:33:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 19:33:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 19:33:28,768 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 19:33:29,044 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:33:29,045 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:33:29,315 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1935: havoc ~#r~0#1.base, ~#r~0#1.offset; [2025-03-17 19:33:29,315 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1935-1: SUMMARY for call ULTIMATE.dealloc(~#r~0#1.base, ~#r~0#1.offset); srcloc: null [2025-03-17 19:33:29,315 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:29,315 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-1: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:29,315 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-7: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:29,315 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-8: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:29,315 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828: havoc readV_#t~mem39#1; [2025-03-17 19:33:29,315 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-5: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,603 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-1: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-7: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-8: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-14: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-15: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-21: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-22: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-28: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-29: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-35: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-36: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-42: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-43: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-49: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-50: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-56: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-57: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-63: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-64: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-5: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-70: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-71: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,605 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-10: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-15: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-77: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-78: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-20: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-84: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-85: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-25: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-91: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-30: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-92: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-35: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-98: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-99: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,606 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-40: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-105: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-106: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-45: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-50: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-112: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-113: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-55: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-119: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-120: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-60: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-126: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-65: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-127: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,607 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-70: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-133: havoc readV_~#expected~0#1.base, readV_~#expected~0#1.offset; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826-134: SUMMARY for call ULTIMATE.dealloc(readV_~#expected~0#1.base, readV_~#expected~0#1.offset); srcloc: null [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-75: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-80: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-85: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-90: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828-95: havoc readV_#t~mem39#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1882: havoc Pop_~temp~2#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1882-9: havoc Pop_~temp~2#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1888: havoc Pop_#t~ret61#1; [2025-03-17 19:33:30,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1888-9: havoc Pop_#t~ret61#1; [2025-03-17 19:33:30,609 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1946: havoc main_~#handles~0#1.base, main_~#handles~0#1.offset; [2025-03-17 19:33:30,609 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1946-1: SUMMARY for call ULTIMATE.dealloc(main_~#handles~0#1.base, main_~#handles~0#1.offset); srcloc: null [2025-03-17 19:33:30,610 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 19:33:30,610 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:33:31,462 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:33:31,462 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 19:33:31,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:33:31 BoogieIcfgContainer [2025-03-17 19:33:31,463 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:33:31,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:33:31,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:33:31,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:33:31,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:33:27" (1/3) ... [2025-03-17 19:33:31,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc3d937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:33:31, skipping insertion in model container [2025-03-17 19:33:31,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:33:28" (2/3) ... [2025-03-17 19:33:31,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc3d937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:33:31, skipping insertion in model container [2025-03-17 19:33:31,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:33:31" (3/3) ... [2025-03-17 19:33:31,469 INFO L128 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2025-03-17 19:33:31,499 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:33:31,501 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. [2025-03-17 19:33:31,501 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 19:33:31,603 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-17 19:33:31,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 403 places, 452 transitions, 911 flow [2025-03-17 19:33:31,837 INFO L124 PetriNetUnfolderBase]: 97/838 cut-off events. [2025-03-17 19:33:31,839 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 19:33:31,851 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 4568 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. [2025-03-17 19:33:31,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 403 places, 452 transitions, 911 flow [2025-03-17 19:33:31,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 452 transitions, 911 flow [2025-03-17 19:33:31,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:33:31,876 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;@623a0549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:33:31,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2025-03-17 19:33:31,881 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 19:33:31,882 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2025-03-17 19:33:31,882 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 19:33:31,882 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:31,883 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-17 19:33:31,883 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-17 19:33:31,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:31,888 INFO L85 PathProgramCache]: Analyzing trace with hash 156844695, now seen corresponding path program 1 times [2025-03-17 19:33:31,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:31,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683936543] [2025-03-17 19:33:31,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:31,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:32,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 19:33:32,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 19:33:32,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:32,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:32,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:32,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683936543] [2025-03-17 19:33:32,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683936543] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:32,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:32,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 19:33:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056990862] [2025-03-17 19:33:32,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:32,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:33:32,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:32,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:33:32,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:33:32,298 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 452 [2025-03-17 19:33:32,302 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) [2025-03-17 19:33:32,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:32,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 452 [2025-03-17 19:33:32,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:34,246 INFO L124 PetriNetUnfolderBase]: 6164/14218 cut-off events. [2025-03-17 19:33:34,247 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 19:33:34,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24949 conditions, 14218 events. 6164/14218 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 110045 event pairs, 4137 based on Foata normal form. 1/12202 useless extension candidates. Maximal degree in co-relation 24282. Up to 10721 conditions per place. [2025-03-17 19:33:34,318 INFO L140 encePairwiseOnDemand]: 448/452 looper letters, 279 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2025-03-17 19:33:34,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 450 transitions, 1469 flow [2025-03-17 19:33:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:33:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 19:33:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2025-03-17 19:33:34,334 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5825958702064897 [2025-03-17 19:33:34,336 INFO L175 Difference]: Start difference. First operand has 403 places, 452 transitions, 911 flow. Second operand 3 states and 790 transitions. [2025-03-17 19:33:34,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 450 transitions, 1469 flow [2025-03-17 19:33:34,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 450 transitions, 1469 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 19:33:34,351 INFO L231 Difference]: Finished difference. Result has 403 places, 450 transitions, 911 flow [2025-03-17 19:33:34,355 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} [2025-03-17 19:33:34,358 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 0 predicate places. [2025-03-17 19:33:34,358 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 450 transitions, 911 flow [2025-03-17 19:33:34,358 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) [2025-03-17 19:33:34,359 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:34,359 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:34,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:33:34,359 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-17 19:33:34,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:34,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1805350149, now seen corresponding path program 1 times [2025-03-17 19:33:34,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:34,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051497745] [2025-03-17 19:33:34,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:34,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:34,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 19:33:34,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 19:33:34,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:34,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:34,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:34,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051497745] [2025-03-17 19:33:34,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051497745] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:34,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:34,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:33:34,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688569048] [2025-03-17 19:33:34,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:34,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:33:34,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:34,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:33:34,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:33:34,542 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 452 [2025-03-17 19:33:34,543 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) [2025-03-17 19:33:34,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:34,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 452 [2025-03-17 19:33:34,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:37,665 INFO L124 PetriNetUnfolderBase]: 12013/26743 cut-off events. [2025-03-17 19:33:37,665 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 19:33:37,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47367 conditions, 26743 events. 12013/26743 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 208136 event pairs, 4032 based on Foata normal form. 109/23344 useless extension candidates. Maximal degree in co-relation 47348. Up to 10441 conditions per place. [2025-03-17 19:33:37,769 INFO L140 encePairwiseOnDemand]: 430/452 looper letters, 537 selfloop transitions, 13 changer transitions 2/713 dead transitions. [2025-03-17 19:33:37,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 713 transitions, 2541 flow [2025-03-17 19:33:37,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:33:37,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-17 19:33:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1218 transitions. [2025-03-17 19:33:37,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6736725663716814 [2025-03-17 19:33:37,773 INFO L175 Difference]: Start difference. First operand has 403 places, 450 transitions, 911 flow. Second operand 4 states and 1218 transitions. [2025-03-17 19:33:37,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 713 transitions, 2541 flow [2025-03-17 19:33:37,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 713 transitions, 2537 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 19:33:37,788 INFO L231 Difference]: Finished difference. Result has 406 places, 454 transitions, 981 flow [2025-03-17 19:33:37,789 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} [2025-03-17 19:33:37,790 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2025-03-17 19:33:37,790 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 454 transitions, 981 flow [2025-03-17 19:33:37,790 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) [2025-03-17 19:33:37,790 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:37,790 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:37,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 19:33:37,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-17 19:33:37,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:37,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1600897107, now seen corresponding path program 1 times [2025-03-17 19:33:37,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:37,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383489590] [2025-03-17 19:33:37,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:37,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:37,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:33:37,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:33:37,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:37,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:37,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:37,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383489590] [2025-03-17 19:33:37,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383489590] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:33:37,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402469374] [2025-03-17 19:33:37,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:37,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:37,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:33:37,990 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) [2025-03-17 19:33:37,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 19:33:38,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:33:38,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:33:38,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:38,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:38,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:33:38,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:33:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:38,179 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:33:38,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402469374] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:38,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:33:38,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-17 19:33:38,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469713246] [2025-03-17 19:33:38,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:38,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:33:38,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:38,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:33:38,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:33:38,213 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 452 [2025-03-17 19:33:38,214 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) [2025-03-17 19:33:38,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:38,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 452 [2025-03-17 19:33:38,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:41,656 INFO L124 PetriNetUnfolderBase]: 12013/26741 cut-off events. [2025-03-17 19:33:41,656 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2025-03-17 19:33:41,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47752 conditions, 26741 events. 12013/26741 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 208043 event pairs, 4032 based on Foata normal form. 1/23325 useless extension candidates. Maximal degree in co-relation 47717. Up to 10291 conditions per place. [2025-03-17 19:33:41,774 INFO L140 encePairwiseOnDemand]: 435/452 looper letters, 557 selfloop transitions, 18 changer transitions 1/737 dead transitions. [2025-03-17 19:33:41,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 737 transitions, 2697 flow [2025-03-17 19:33:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:33:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 19:33:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1555 transitions. [2025-03-17 19:33:41,779 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.573377581120944 [2025-03-17 19:33:41,780 INFO L175 Difference]: Start difference. First operand has 406 places, 454 transitions, 981 flow. Second operand 6 states and 1555 transitions. [2025-03-17 19:33:41,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 737 transitions, 2697 flow [2025-03-17 19:33:41,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 737 transitions, 2697 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 19:33:41,790 INFO L231 Difference]: Finished difference. Result has 409 places, 453 transitions, 1013 flow [2025-03-17 19:33:41,791 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} [2025-03-17 19:33:41,792 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2025-03-17 19:33:41,792 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 453 transitions, 1013 flow [2025-03-17 19:33:41,793 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) [2025-03-17 19:33:41,793 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:41,793 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:41,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 19:33:41,994 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 [2025-03-17 19:33:41,994 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-17 19:33:41,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:41,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1911802180, now seen corresponding path program 1 times [2025-03-17 19:33:41,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:41,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537518741] [2025-03-17 19:33:41,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:41,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:42,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 19:33:42,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 19:33:42,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:42,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:33:42,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:42,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537518741] [2025-03-17 19:33:42,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537518741] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:42,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:42,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:33:42,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871741153] [2025-03-17 19:33:42,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:42,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:33:42,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:42,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:33:42,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:33:42,091 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 452 [2025-03-17 19:33:42,091 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) [2025-03-17 19:33:42,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:42,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 452 [2025-03-17 19:33:42,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:44,579 INFO L124 PetriNetUnfolderBase]: 11857/26596 cut-off events. [2025-03-17 19:33:44,579 INFO L125 PetriNetUnfolderBase]: For 446/446 co-relation queries the response was YES. [2025-03-17 19:33:44,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47525 conditions, 26596 events. 11857/26596 cut-off events. For 446/446 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 208219 event pairs, 8043 based on Foata normal form. 1/23194 useless extension candidates. Maximal degree in co-relation 47488. Up to 20323 conditions per place. [2025-03-17 19:33:44,685 INFO L140 encePairwiseOnDemand]: 449/452 looper letters, 281 selfloop transitions, 4 changer transitions 0/452 dead transitions. [2025-03-17 19:33:44,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 452 transitions, 1579 flow [2025-03-17 19:33:44,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:33:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 19:33:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2025-03-17 19:33:44,690 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5811209439528023 [2025-03-17 19:33:44,690 INFO L175 Difference]: Start difference. First operand has 409 places, 453 transitions, 1013 flow. Second operand 3 states and 788 transitions. [2025-03-17 19:33:44,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 452 transitions, 1579 flow [2025-03-17 19:33:44,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 452 transitions, 1547 flow, removed 2 selfloop flow, removed 4 redundant places. [2025-03-17 19:33:44,700 INFO L231 Difference]: Finished difference. Result has 406 places, 452 transitions, 985 flow [2025-03-17 19:33:44,700 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} [2025-03-17 19:33:44,702 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2025-03-17 19:33:44,702 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 452 transitions, 985 flow [2025-03-17 19:33:44,702 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) [2025-03-17 19:33:44,702 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:44,702 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:44,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:33:44,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-17 19:33:44,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:44,703 INFO L85 PathProgramCache]: Analyzing trace with hash -999117253, now seen corresponding path program 1 times [2025-03-17 19:33:44,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:44,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848950185] [2025-03-17 19:33:44,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:44,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:44,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:44,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:44,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:44,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:44,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:44,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848950185] [2025-03-17 19:33:44,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848950185] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:33:44,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460326057] [2025-03-17 19:33:44,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:44,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:44,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:33:44,832 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) [2025-03-17 19:33:44,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 19:33:44,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:45,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:45,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:45,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:45,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 19:33:45,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:33:45,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:45,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:33:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:45,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460326057] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:33:45,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:33:45,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-17 19:33:45,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352586694] [2025-03-17 19:33:45,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:33:45,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:45,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:45,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:45,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:45,218 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 452 [2025-03-17 19:33:45,219 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) [2025-03-17 19:33:45,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:45,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 452 [2025-03-17 19:33:45,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:48,586 INFO L124 PetriNetUnfolderBase]: 11987/26689 cut-off events. [2025-03-17 19:33:48,587 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2025-03-17 19:33:48,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47596 conditions, 26689 events. 11987/26689 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 207228 event pairs, 4053 based on Foata normal form. 68/23343 useless extension candidates. Maximal degree in co-relation 47544. Up to 10222 conditions per place. [2025-03-17 19:33:48,710 INFO L140 encePairwiseOnDemand]: 428/452 looper letters, 575 selfloop transitions, 27 changer transitions 1/763 dead transitions. [2025-03-17 19:33:48,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 763 transitions, 2813 flow [2025-03-17 19:33:48,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 19:33:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-17 19:33:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1904 transitions. [2025-03-17 19:33:48,715 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5265486725663717 [2025-03-17 19:33:48,715 INFO L175 Difference]: Start difference. First operand has 406 places, 452 transitions, 985 flow. Second operand 8 states and 1904 transitions. [2025-03-17 19:33:48,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 763 transitions, 2813 flow [2025-03-17 19:33:48,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 763 transitions, 2799 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 19:33:48,730 INFO L231 Difference]: Finished difference. Result has 409 places, 456 transitions, 1065 flow [2025-03-17 19:33:48,730 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} [2025-03-17 19:33:48,733 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2025-03-17 19:33:48,733 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 456 transitions, 1065 flow [2025-03-17 19:33:48,734 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) [2025-03-17 19:33:48,734 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:48,734 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:48,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 19:33:48,935 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 [2025-03-17 19:33:48,935 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-17 19:33:48,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:48,936 INFO L85 PathProgramCache]: Analyzing trace with hash 309070075, now seen corresponding path program 2 times [2025-03-17 19:33:48,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:48,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072928991] [2025-03-17 19:33:48,936 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:48,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:48,960 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-03-17 19:33:48,968 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 21 statements. [2025-03-17 19:33:48,968 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:48,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 19:33:49,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:49,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072928991] [2025-03-17 19:33:49,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072928991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:49,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:49,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:33:49,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614622790] [2025-03-17 19:33:49,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:49,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:33:49,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:49,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:33:49,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:33:49,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 452 [2025-03-17 19:33:49,058 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) [2025-03-17 19:33:49,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:49,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 452 [2025-03-17 19:33:49,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:51,899 INFO L124 PetriNetUnfolderBase]: 11935/26600 cut-off events. [2025-03-17 19:33:51,899 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2025-03-17 19:33:51,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47911 conditions, 26600 events. 11935/26600 cut-off events. For 804/804 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 206792 event pairs, 3807 based on Foata normal form. 44/23241 useless extension candidates. Maximal degree in co-relation 47782. Up to 10296 conditions per place. [2025-03-17 19:33:52,013 INFO L140 encePairwiseOnDemand]: 437/452 looper letters, 561 selfloop transitions, 13 changer transitions 0/734 dead transitions. [2025-03-17 19:33:52,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 734 transitions, 2769 flow [2025-03-17 19:33:52,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:33:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-17 19:33:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1225 transitions. [2025-03-17 19:33:52,016 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6775442477876106 [2025-03-17 19:33:52,016 INFO L175 Difference]: Start difference. First operand has 409 places, 456 transitions, 1065 flow. Second operand 4 states and 1225 transitions. [2025-03-17 19:33:52,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 734 transitions, 2769 flow [2025-03-17 19:33:52,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 734 transitions, 2731 flow, removed 6 selfloop flow, removed 3 redundant places. [2025-03-17 19:33:52,026 INFO L231 Difference]: Finished difference. Result has 407 places, 454 transitions, 1049 flow [2025-03-17 19:33:52,026 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} [2025-03-17 19:33:52,027 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 4 predicate places. [2025-03-17 19:33:52,027 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 454 transitions, 1049 flow [2025-03-17 19:33:52,028 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) [2025-03-17 19:33:52,028 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:52,028 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:52,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:33:52,028 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-17 19:33:52,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:52,028 INFO L85 PathProgramCache]: Analyzing trace with hash -898404605, now seen corresponding path program 1 times [2025-03-17 19:33:52,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:52,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453218229] [2025-03-17 19:33:52,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:52,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:52,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 19:33:52,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 19:33:52,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:52,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:52,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:52,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453218229] [2025-03-17 19:33:52,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453218229] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:33:52,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626762281] [2025-03-17 19:33:52,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:52,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:52,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:33:52,213 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) [2025-03-17 19:33:52,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:33:52,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 19:33:52,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 19:33:52,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:52,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:52,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 19:33:52,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:33:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:52,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:33:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:52,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626762281] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:33:52,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:33:52,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2025-03-17 19:33:52,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690236311] [2025-03-17 19:33:52,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:33:52,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:33:52,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:52,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:33:52,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:33:52,537 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 452 [2025-03-17 19:33:52,538 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) [2025-03-17 19:33:52,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:52,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 452 [2025-03-17 19:33:52,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:55,542 INFO L124 PetriNetUnfolderBase]: 11987/26687 cut-off events. [2025-03-17 19:33:55,543 INFO L125 PetriNetUnfolderBase]: For 628/628 co-relation queries the response was YES. [2025-03-17 19:33:55,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48030 conditions, 26687 events. 11987/26687 cut-off events. For 628/628 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 207196 event pairs, 4053 based on Foata normal form. 1/23276 useless extension candidates. Maximal degree in co-relation 47893. Up to 10222 conditions per place. [2025-03-17 19:33:55,642 INFO L140 encePairwiseOnDemand]: 432/452 looper letters, 575 selfloop transitions, 29 changer transitions 0/762 dead transitions. [2025-03-17 19:33:55,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 762 transitions, 2883 flow [2025-03-17 19:33:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 19:33:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-17 19:33:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2225 transitions. [2025-03-17 19:33:55,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4922566371681416 [2025-03-17 19:33:55,648 INFO L175 Difference]: Start difference. First operand has 407 places, 454 transitions, 1049 flow. Second operand 10 states and 2225 transitions. [2025-03-17 19:33:55,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 762 transitions, 2883 flow [2025-03-17 19:33:55,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 762 transitions, 2869 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 19:33:55,656 INFO L231 Difference]: Finished difference. Result has 415 places, 456 transitions, 1129 flow [2025-03-17 19:33:55,658 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} [2025-03-17 19:33:55,659 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 12 predicate places. [2025-03-17 19:33:55,659 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 456 transitions, 1129 flow [2025-03-17 19:33:55,660 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) [2025-03-17 19:33:55,660 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:55,661 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:55,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 19:33:55,861 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 [2025-03-17 19:33:55,861 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2025-03-17 19:33:55,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:55,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1641119761, now seen corresponding path program 2 times [2025-03-17 19:33:55,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:55,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412055412] [2025-03-17 19:33:55,862 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:55,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:55,880 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 2 equivalence classes. [2025-03-17 19:33:55,918 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 19:33:55,918 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:33:55,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:33:55,918 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:33:55,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 19:33:55,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 19:33:55,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:55,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:33:55,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:33:55,978 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 19:33:55,979 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 97 remaining) [2025-03-17 19:33:55,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 97 remaining) [2025-03-17 19:33:55,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 97 remaining) [2025-03-17 19:33:55,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 97 remaining) [2025-03-17 19:33:55,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 97 remaining) [2025-03-17 19:33:55,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 97 remaining) [2025-03-17 19:33:55,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 97 remaining) [2025-03-17 19:33:55,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 97 remaining) [2025-03-17 19:33:55,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 97 remaining) [2025-03-17 19:33:55,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 97 remaining) [2025-03-17 19:33:55,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 97 remaining) [2025-03-17 19:33:55,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 97 remaining) [2025-03-17 19:33:55,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 19:33:55,988 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2025-03-17 19:33:55,990 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-17 19:33:55,990 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-17 19:33:56,065 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-17 19:33:56,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 492 transitions, 1000 flow [2025-03-17 19:33:56,159 INFO L124 PetriNetUnfolderBase]: 150/1289 cut-off events. [2025-03-17 19:33:56,160 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-17 19:33:56,166 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 8318 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. [2025-03-17 19:33:56,167 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 492 transitions, 1000 flow [2025-03-17 19:33:56,176 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 492 transitions, 1000 flow [2025-03-17 19:33:56,178 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:33:56,179 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;@623a0549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:33:56,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2025-03-17 19:33:56,180 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 19:33:56,180 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2025-03-17 19:33:56,180 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 19:33:56,180 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:56,180 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-17 19:33:56,180 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 100 more)] === [2025-03-17 19:33:56,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:56,181 INFO L85 PathProgramCache]: Analyzing trace with hash 171990423, now seen corresponding path program 1 times [2025-03-17 19:33:56,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:56,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030366715] [2025-03-17 19:33:56,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:56,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:56,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 19:33:56,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 19:33:56,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:56,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:56,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:56,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030366715] [2025-03-17 19:33:56,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030366715] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:56,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:56,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 19:33:56,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518145520] [2025-03-17 19:33:56,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:56,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:33:56,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:56,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:33:56,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:33:56,240 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 492 [2025-03-17 19:33:56,240 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) [2025-03-17 19:33:56,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:56,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 492 [2025-03-17 19:33:56,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand