./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/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 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:39:03,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:39:03,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:39:03,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:39:03,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:39:03,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:39:03,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:39:03,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:39:03,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:39:03,573 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:39:03,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:39:03,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:39:03,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:39:03,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:39:03,579 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:39:03,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:39:03,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:39:03,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:39:03,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:39:03,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:39:03,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:39:03,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:39:03,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:39:03,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:39:03,586 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:39:03,586 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:39:03,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:39:03,586 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:39:03,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:39:03,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:39:03,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:39:03,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:39:03,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:39:03,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:39:03,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:39:03,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:39:03,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:39:03,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:39:03,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:39:03,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:39:03,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:39:03,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:39:03,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:39:03,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:39:03,594 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2024-10-13 16:39:03,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:39:03,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:39:03,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:39:03,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:39:03,861 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:39:03,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2024-10-13 16:39:05,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:39:05,511 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:39:05,512 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2024-10-13 16:39:05,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56302980/b48ce94a32ca4a7aa5122c4ea6aed707/FLAGc5ed76084 [2024-10-13 16:39:05,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56302980/b48ce94a32ca4a7aa5122c4ea6aed707 [2024-10-13 16:39:05,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:39:05,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:39:05,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:39:05,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:39:05,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:39:05,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:39:05" (1/1) ... [2024-10-13 16:39:05,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58293dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:05, skipping insertion in model container [2024-10-13 16:39:05,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:39:05" (1/1) ... [2024-10-13 16:39:05,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:39:06,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:39:06,423 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:39:06,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:39:06,579 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:39:06,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06 WrapperNode [2024-10-13 16:39:06,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:39:06,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:39:06,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:39:06,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:39:06,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,705 INFO L138 Inliner]: procedures = 490, calls = 133, calls flagged for inlining = 48, calls inlined = 122, statements flattened = 1956 [2024-10-13 16:39:06,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:39:06,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:39:06,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:39:06,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:39:06,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,793 INFO L175 MemorySlicer]: Split 287 memory accesses to 9 slices as follows [2, 2, 2, 171, 80, 12, 4, 6, 8]. 60 percent of accesses are in the largest equivalence class. The 28 initializations are split as follows [2, 0, 0, 0, 20, 4, 0, 0, 2]. The 97 writes are split as follows [0, 1, 1, 63, 20, 4, 2, 4, 2]. [2024-10-13 16:39:06,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:39:06,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:39:06,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:39:06,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:39:06,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (1/1) ... [2024-10-13 16:39:06,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:39:06,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:39:06,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:39:06,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:39:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2024-10-13 16:39:06,939 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2024-10-13 16:39:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:39:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:39:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:39:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:39:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:39:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:39:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 16:39:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 16:39:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 16:39:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 16:39:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-13 16:39:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-13 16:39:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 16:39:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:39:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:39:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:39:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:39:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 16:39:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 16:39:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 16:39:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-13 16:39:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-13 16:39:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-13 16:39:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:39:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:39:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:39:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:39:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:39:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:39:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 16:39:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 16:39:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 16:39:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-13 16:39:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-13 16:39:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-13 16:39:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 16:39:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:39:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:39:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:39:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 16:39:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 16:39:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 16:39:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 16:39:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-13 16:39:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-13 16:39:06,950 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 16:39:07,269 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:39:07,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:39:08,746 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:39:08,746 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:39:09,612 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:39:09,612 INFO L314 CfgBuilder]: Removed 11 assume(true) statements. [2024-10-13 16:39:09,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:39:09 BoogieIcfgContainer [2024-10-13 16:39:09,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:39:09,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:39:09,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:39:09,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:39:09,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:39:05" (1/3) ... [2024-10-13 16:39:09,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52165b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:39:09, skipping insertion in model container [2024-10-13 16:39:09,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:39:06" (2/3) ... [2024-10-13 16:39:09,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52165b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:39:09, skipping insertion in model container [2024-10-13 16:39:09,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:39:09" (3/3) ... [2024-10-13 16:39:09,619 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2024-10-13 16:39:09,633 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:39:09,633 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 90 error locations. [2024-10-13 16:39:09,633 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 16:39:09,805 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-13 16:39:09,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 403 places, 452 transitions, 911 flow [2024-10-13 16:39:09,946 INFO L124 PetriNetUnfolderBase]: 97/838 cut-off events. [2024-10-13 16:39:09,946 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:39:09,956 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 24. Compared 4531 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. [2024-10-13 16:39:09,956 INFO L82 GeneralOperation]: Start removeDead. Operand has 403 places, 452 transitions, 911 flow [2024-10-13 16:39:09,963 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 452 transitions, 911 flow [2024-10-13 16:39:09,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:39:09,974 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;@403b42f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:39:09,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2024-10-13 16:39:09,976 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:39:09,976 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-10-13 16:39:09,976 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:39:09,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:09,977 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:39:09,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-13 16:39:09,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:09,981 INFO L85 PathProgramCache]: Analyzing trace with hash 158453458, now seen corresponding path program 1 times [2024-10-13 16:39:09,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:09,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307106238] [2024-10-13 16:39:09,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:09,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:10,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:10,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:10,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307106238] [2024-10-13 16:39:10,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307106238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:10,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:10,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:39:10,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402664271] [2024-10-13 16:39:10,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:10,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:39:10,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:10,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:39:10,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:39:10,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 452 [2024-10-13 16:39:10,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 452 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:10,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:10,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 452 [2024-10-13 16:39:10,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:12,261 INFO L124 PetriNetUnfolderBase]: 6216/14262 cut-off events. [2024-10-13 16:39:12,261 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:39:12,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25091 conditions, 14262 events. 6216/14262 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 109984 event pairs, 4179 based on Foata normal form. 1/12198 useless extension candidates. Maximal degree in co-relation 24423. Up to 10819 conditions per place. [2024-10-13 16:39:12,332 INFO L140 encePairwiseOnDemand]: 448/452 looper letters, 281 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2024-10-13 16:39:12,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 450 transitions, 1473 flow [2024-10-13 16:39:12,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:39:12,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:39:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2024-10-13 16:39:12,349 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5796460176991151 [2024-10-13 16:39:12,356 INFO L175 Difference]: Start difference. First operand has 403 places, 452 transitions, 911 flow. Second operand 3 states and 786 transitions. [2024-10-13 16:39:12,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 450 transitions, 1473 flow [2024-10-13 16:39:12,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 450 transitions, 1473 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 16:39:12,375 INFO L231 Difference]: Finished difference. Result has 403 places, 450 transitions, 911 flow [2024-10-13 16:39:12,384 INFO L260 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} [2024-10-13 16:39:12,390 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 0 predicate places. [2024-10-13 16:39:12,390 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 450 transitions, 911 flow [2024-10-13 16:39:12,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:12,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:12,391 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:12,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:39:12,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-13 16:39:12,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:12,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1071884703, now seen corresponding path program 1 times [2024-10-13 16:39:12,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:12,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525787690] [2024-10-13 16:39:12,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:12,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:12,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:12,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525787690] [2024-10-13 16:39:12,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525787690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:12,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:12,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:39:12,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059475979] [2024-10-13 16:39:12,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:12,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:39:12,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:12,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:39:12,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:39:12,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-10-13 16:39:12,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 450 transitions, 911 flow. Second operand has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:12,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:12,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-10-13 16:39:12,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:16,616 INFO L124 PetriNetUnfolderBase]: 12117/26839 cut-off events. [2024-10-13 16:39:16,617 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 16:39:16,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47655 conditions, 26839 events. 12117/26839 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 208186 event pairs, 4074 based on Foata normal form. 110/23335 useless extension candidates. Maximal degree in co-relation 47636. Up to 10537 conditions per place. [2024-10-13 16:39:16,755 INFO L140 encePairwiseOnDemand]: 430/452 looper letters, 541 selfloop transitions, 13 changer transitions 2/715 dead transitions. [2024-10-13 16:39:16,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 715 transitions, 2553 flow [2024-10-13 16:39:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:39:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:39:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1214 transitions. [2024-10-13 16:39:16,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6714601769911505 [2024-10-13 16:39:16,759 INFO L175 Difference]: Start difference. First operand has 403 places, 450 transitions, 911 flow. Second operand 4 states and 1214 transitions. [2024-10-13 16:39:16,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 715 transitions, 2553 flow [2024-10-13 16:39:16,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 715 transitions, 2549 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 16:39:16,775 INFO L231 Difference]: Finished difference. Result has 406 places, 454 transitions, 981 flow [2024-10-13 16:39:16,776 INFO L260 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} [2024-10-13 16:39:16,777 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2024-10-13 16:39:16,777 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 454 transitions, 981 flow [2024-10-13 16:39:16,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:16,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:16,778 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:16,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:39:16,778 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-13 16:39:16,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:16,779 INFO L85 PathProgramCache]: Analyzing trace with hash -559431089, now seen corresponding path program 1 times [2024-10-13 16:39:16,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:16,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471077914] [2024-10-13 16:39:16,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:16,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:16,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:16,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471077914] [2024-10-13 16:39:16,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471077914] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:39:16,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536396991] [2024-10-13 16:39:16,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:16,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:39:16,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:39:16,954 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) [2024-10-13 16:39:16,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:39:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:17,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:39:17,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:39:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:17,153 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:39:17,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536396991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:17,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:39:17,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-13 16:39:17,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525515266] [2024-10-13 16:39:17,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:17,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:39:17,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:17,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:39:17,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:39:17,192 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-10-13 16:39:17,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 454 transitions, 981 flow. Second operand has 6 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:17,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:17,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-10-13 16:39:17,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:21,621 INFO L124 PetriNetUnfolderBase]: 12117/26837 cut-off events. [2024-10-13 16:39:21,621 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-10-13 16:39:21,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48040 conditions, 26837 events. 12117/26837 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 208163 event pairs, 4074 based on Foata normal form. 1/23315 useless extension candidates. Maximal degree in co-relation 48005. Up to 10387 conditions per place. [2024-10-13 16:39:21,768 INFO L140 encePairwiseOnDemand]: 435/452 looper letters, 561 selfloop transitions, 18 changer transitions 1/739 dead transitions. [2024-10-13 16:39:21,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 739 transitions, 2709 flow [2024-10-13 16:39:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:39:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 16:39:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2024-10-13 16:39:21,775 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5704277286135693 [2024-10-13 16:39:21,775 INFO L175 Difference]: Start difference. First operand has 406 places, 454 transitions, 981 flow. Second operand 6 states and 1547 transitions. [2024-10-13 16:39:21,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 739 transitions, 2709 flow [2024-10-13 16:39:21,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 739 transitions, 2709 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 16:39:21,789 INFO L231 Difference]: Finished difference. Result has 409 places, 453 transitions, 1013 flow [2024-10-13 16:39:21,790 INFO L260 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} [2024-10-13 16:39:21,791 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2024-10-13 16:39:21,791 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 453 transitions, 1013 flow [2024-10-13 16:39:21,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:21,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:21,792 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:21,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 16:39:21,996 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 [2024-10-13 16:39:21,997 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-13 16:39:21,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:21,998 INFO L85 PathProgramCache]: Analyzing trace with hash -162489309, now seen corresponding path program 1 times [2024-10-13 16:39:21,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:21,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300324265] [2024-10-13 16:39:21,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:21,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:39:22,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:22,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300324265] [2024-10-13 16:39:22,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300324265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:22,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:22,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:39:22,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196373700] [2024-10-13 16:39:22,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:22,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:39:22,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:22,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:39:22,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:39:22,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 452 [2024-10-13 16:39:22,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 453 transitions, 1013 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) [2024-10-13 16:39:22,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:22,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 452 [2024-10-13 16:39:22,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:25,579 INFO L124 PetriNetUnfolderBase]: 11961/26691 cut-off events. [2024-10-13 16:39:25,579 INFO L125 PetriNetUnfolderBase]: For 452/452 co-relation queries the response was YES. [2024-10-13 16:39:25,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47812 conditions, 26691 events. 11961/26691 cut-off events. For 452/452 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 208251 event pairs, 8127 based on Foata normal form. 1/23183 useless extension candidates. Maximal degree in co-relation 47775. Up to 20515 conditions per place. [2024-10-13 16:39:25,910 INFO L140 encePairwiseOnDemand]: 449/452 looper letters, 283 selfloop transitions, 4 changer transitions 0/452 dead transitions. [2024-10-13 16:39:25,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 452 transitions, 1583 flow [2024-10-13 16:39:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:39:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:39:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2024-10-13 16:39:25,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5781710914454278 [2024-10-13 16:39:25,913 INFO L175 Difference]: Start difference. First operand has 409 places, 453 transitions, 1013 flow. Second operand 3 states and 784 transitions. [2024-10-13 16:39:25,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 452 transitions, 1583 flow [2024-10-13 16:39:25,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 452 transitions, 1551 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-10-13 16:39:25,921 INFO L231 Difference]: Finished difference. Result has 406 places, 452 transitions, 985 flow [2024-10-13 16:39:25,922 INFO L260 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} [2024-10-13 16:39:25,923 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2024-10-13 16:39:25,923 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 452 transitions, 985 flow [2024-10-13 16:39:25,923 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) [2024-10-13 16:39:25,923 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:25,923 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:25,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:39:25,924 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-13 16:39:25,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:25,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1521967424, now seen corresponding path program 1 times [2024-10-13 16:39:25,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:25,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796367608] [2024-10-13 16:39:25,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:25,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:26,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:26,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796367608] [2024-10-13 16:39:26,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796367608] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:39:26,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046085044] [2024-10-13 16:39:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:26,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:39:26,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:39:26,048 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) [2024-10-13 16:39:26,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:39:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:26,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:39:26,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:39:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:26,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 16:39:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:26,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046085044] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 16:39:26,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 16:39:26,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-13 16:39:26,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505982552] [2024-10-13 16:39:26,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 16:39:26,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 16:39:26,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:26,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 16:39:26,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:39:26,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 452 [2024-10-13 16:39:26,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 452 transitions, 985 flow. Second operand has 10 states, 10 states have (on average 161.9) internal successors, (1619), 10 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:26,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:26,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 452 [2024-10-13 16:39:26,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:30,655 INFO L124 PetriNetUnfolderBase]: 12091/26786 cut-off events. [2024-10-13 16:39:30,655 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2024-10-13 16:39:30,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47885 conditions, 26786 events. 12091/26786 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 207319 event pairs, 4095 based on Foata normal form. 68/23334 useless extension candidates. Maximal degree in co-relation 47833. Up to 10318 conditions per place. [2024-10-13 16:39:30,751 INFO L140 encePairwiseOnDemand]: 428/452 looper letters, 579 selfloop transitions, 27 changer transitions 1/765 dead transitions. [2024-10-13 16:39:30,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 765 transitions, 2825 flow [2024-10-13 16:39:30,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:39:30,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 16:39:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1892 transitions. [2024-10-13 16:39:30,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5232300884955752 [2024-10-13 16:39:30,755 INFO L175 Difference]: Start difference. First operand has 406 places, 452 transitions, 985 flow. Second operand 8 states and 1892 transitions. [2024-10-13 16:39:30,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 765 transitions, 2825 flow [2024-10-13 16:39:30,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 765 transitions, 2811 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 16:39:30,764 INFO L231 Difference]: Finished difference. Result has 409 places, 456 transitions, 1065 flow [2024-10-13 16:39:30,764 INFO L260 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} [2024-10-13 16:39:30,765 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2024-10-13 16:39:30,765 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 456 transitions, 1065 flow [2024-10-13 16:39:30,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 161.9) internal successors, (1619), 10 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:30,766 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:30,766 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:30,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 16:39:30,970 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 [2024-10-13 16:39:30,971 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-13 16:39:30,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1481105216, now seen corresponding path program 2 times [2024-10-13 16:39:30,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:30,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546945015] [2024-10-13 16:39:30,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:30,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:39:31,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:31,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546945015] [2024-10-13 16:39:31,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546945015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:31,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:31,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:39:31,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940973539] [2024-10-13 16:39:31,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:31,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:39:31,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:31,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:39:31,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:39:31,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-10-13 16:39:31,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 456 transitions, 1065 flow. Second operand has 4 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:31,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:31,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-10-13 16:39:31,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:34,968 INFO L124 PetriNetUnfolderBase]: 12039/26699 cut-off events. [2024-10-13 16:39:34,968 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2024-10-13 16:39:35,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48201 conditions, 26699 events. 12039/26699 cut-off events. For 804/804 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 206972 event pairs, 3847 based on Foata normal form. 44/23232 useless extension candidates. Maximal degree in co-relation 48072. Up to 10392 conditions per place. [2024-10-13 16:39:35,158 INFO L140 encePairwiseOnDemand]: 437/452 looper letters, 565 selfloop transitions, 13 changer transitions 0/736 dead transitions. [2024-10-13 16:39:35,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 736 transitions, 2781 flow [2024-10-13 16:39:35,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:39:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:39:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1221 transitions. [2024-10-13 16:39:35,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6753318584070797 [2024-10-13 16:39:35,161 INFO L175 Difference]: Start difference. First operand has 409 places, 456 transitions, 1065 flow. Second operand 4 states and 1221 transitions. [2024-10-13 16:39:35,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 736 transitions, 2781 flow [2024-10-13 16:39:35,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 736 transitions, 2743 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-10-13 16:39:35,170 INFO L231 Difference]: Finished difference. Result has 407 places, 454 transitions, 1049 flow [2024-10-13 16:39:35,170 INFO L260 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} [2024-10-13 16:39:35,171 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 4 predicate places. [2024-10-13 16:39:35,171 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 454 transitions, 1049 flow [2024-10-13 16:39:35,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:35,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:35,172 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:35,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:39:35,172 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-13 16:39:35,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:35,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1401158252, now seen corresponding path program 1 times [2024-10-13 16:39:35,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:35,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904436465] [2024-10-13 16:39:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 16:39:35,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:35,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904436465] [2024-10-13 16:39:35,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904436465] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:39:35,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753476758] [2024-10-13 16:39:35,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:35,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:39:35,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:39:35,337 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) [2024-10-13 16:39:35,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:39:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:35,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 16:39:35,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:39:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 16:39:35,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 16:39:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 16:39:35,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753476758] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 16:39:35,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 16:39:35,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-10-13 16:39:35,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619551083] [2024-10-13 16:39:35,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 16:39:35,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:39:35,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:35,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:39:35,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:39:35,634 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 452 [2024-10-13 16:39:35,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 454 transitions, 1049 flow. Second operand has 11 states, 11 states have (on average 161.8181818181818) internal successors, (1780), 11 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:35,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:35,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 452 [2024-10-13 16:39:35,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:39:39,578 INFO L124 PetriNetUnfolderBase]: 12091/26786 cut-off events. [2024-10-13 16:39:39,579 INFO L125 PetriNetUnfolderBase]: For 629/629 co-relation queries the response was YES. [2024-10-13 16:39:39,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48321 conditions, 26786 events. 12091/26786 cut-off events. For 629/629 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 207259 event pairs, 4095 based on Foata normal form. 1/23268 useless extension candidates. Maximal degree in co-relation 48184. Up to 10318 conditions per place. [2024-10-13 16:39:39,665 INFO L140 encePairwiseOnDemand]: 432/452 looper letters, 579 selfloop transitions, 29 changer transitions 0/764 dead transitions. [2024-10-13 16:39:39,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 764 transitions, 2895 flow [2024-10-13 16:39:39,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 16:39:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-13 16:39:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2209 transitions. [2024-10-13 16:39:39,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.488716814159292 [2024-10-13 16:39:39,669 INFO L175 Difference]: Start difference. First operand has 407 places, 454 transitions, 1049 flow. Second operand 10 states and 2209 transitions. [2024-10-13 16:39:39,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 764 transitions, 2895 flow [2024-10-13 16:39:39,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 764 transitions, 2881 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 16:39:39,678 INFO L231 Difference]: Finished difference. Result has 415 places, 456 transitions, 1129 flow [2024-10-13 16:39:39,679 INFO L260 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} [2024-10-13 16:39:39,679 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 12 predicate places. [2024-10-13 16:39:39,680 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 456 transitions, 1129 flow [2024-10-13 16:39:39,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 161.8181818181818) internal successors, (1780), 11 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:39,681 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:39,681 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:39:39,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 16:39:39,881 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 [2024-10-13 16:39:39,882 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-13 16:39:39,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash -296913180, now seen corresponding path program 2 times [2024-10-13 16:39:39,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:39,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830775440] [2024-10-13 16:39:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:39,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:39:39,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:39:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:39:40,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:39:40,019 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:39:40,020 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 97 remaining) [2024-10-13 16:39:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 97 remaining) [2024-10-13 16:39:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 97 remaining) [2024-10-13 16:39:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 97 remaining) [2024-10-13 16:39:40,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 97 remaining) [2024-10-13 16:39:40,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 97 remaining) [2024-10-13 16:39:40,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 97 remaining) [2024-10-13 16:39:40,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 97 remaining) [2024-10-13 16:39:40,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 97 remaining) [2024-10-13 16:39:40,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 97 remaining) [2024-10-13 16:39:40,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 97 remaining) [2024-10-13 16:39:40,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 97 remaining) [2024-10-13 16:39:40,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 97 remaining) [2024-10-13 16:39:40,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 97 remaining) [2024-10-13 16:39:40,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 97 remaining) [2024-10-13 16:39:40,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 97 remaining) [2024-10-13 16:39:40,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 97 remaining) [2024-10-13 16:39:40,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 97 remaining) [2024-10-13 16:39:40,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 97 remaining) [2024-10-13 16:39:40,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 97 remaining) [2024-10-13 16:39:40,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 97 remaining) [2024-10-13 16:39:40,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 97 remaining) [2024-10-13 16:39:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 97 remaining) [2024-10-13 16:39:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 97 remaining) [2024-10-13 16:39:40,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 97 remaining) [2024-10-13 16:39:40,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 97 remaining) [2024-10-13 16:39:40,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 97 remaining) [2024-10-13 16:39:40,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 97 remaining) [2024-10-13 16:39:40,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 97 remaining) [2024-10-13 16:39:40,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 97 remaining) [2024-10-13 16:39:40,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 97 remaining) [2024-10-13 16:39:40,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 97 remaining) [2024-10-13 16:39:40,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 97 remaining) [2024-10-13 16:39:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 97 remaining) [2024-10-13 16:39:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 97 remaining) [2024-10-13 16:39:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 97 remaining) [2024-10-13 16:39:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 97 remaining) [2024-10-13 16:39:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 97 remaining) [2024-10-13 16:39:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 97 remaining) [2024-10-13 16:39:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 97 remaining) [2024-10-13 16:39:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 97 remaining) [2024-10-13 16:39:40,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:39:40,032 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-10-13 16:39:40,034 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-13 16:39:40,034 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-13 16:39:40,094 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 16:39:40,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 492 transitions, 1000 flow [2024-10-13 16:39:40,201 INFO L124 PetriNetUnfolderBase]: 150/1289 cut-off events. [2024-10-13 16:39:40,201 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-13 16:39:40,208 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 8263 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. [2024-10-13 16:39:40,209 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 492 transitions, 1000 flow [2024-10-13 16:39:40,219 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 492 transitions, 1000 flow [2024-10-13 16:39:40,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:39:40,220 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;@403b42f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:39:40,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2024-10-13 16:39:40,222 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:39:40,223 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-10-13 16:39:40,223 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:39:40,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:39:40,224 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-13 16:39:40,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 100 more)] === [2024-10-13 16:39:40,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:39:40,224 INFO L85 PathProgramCache]: Analyzing trace with hash 173599186, now seen corresponding path program 1 times [2024-10-13 16:39:40,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:39:40,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380521896] [2024-10-13 16:39:40,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:39:40,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:39:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:39:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:39:40,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:39:40,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380521896] [2024-10-13 16:39:40,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380521896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:39:40,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:39:40,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:39:40,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040061965] [2024-10-13 16:39:40,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:39:40,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:39:40,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:39:40,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:39:40,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:39:40,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 492 [2024-10-13 16:39:40,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 492 transitions, 1000 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:39:40,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:39:40,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 492 [2024-10-13 16:39:40,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand