./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 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/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-wip.fs.cvc5-61a6796-m [2024-10-14 23:51:43,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:51:43,111 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:51:43,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:51:43,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:51:43,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:51:43,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:51:43,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:51:43,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:51:43,145 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:51:43,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:51:43,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:51:43,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:51:43,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:51:43,147 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:51:43,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:51:43,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:51:43,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:51:43,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:51:43,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:51:43,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:51:43,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:51:43,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:51:43,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:51:43,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:51:43,151 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:51:43,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:51:43,155 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:51:43,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:51:43,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:51:43,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:51:43,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:51:43,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:51:43,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:51:43,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:51:43,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:51:43,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:51:43,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:51:43,157 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:51:43,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:51:43,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:51:43,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:51:43,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:51:43,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:51:43,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2024-10-14 23:51:43,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:51:43,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:51:43,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:51:43,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:51:43,410 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:51:43,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2024-10-14 23:51:44,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:51:45,120 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:51:45,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2024-10-14 23:51:45,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c335528/7d2f61b5443544afbea477293ac3fcea/FLAG445a0ddd7 [2024-10-14 23:51:45,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c335528/7d2f61b5443544afbea477293ac3fcea [2024-10-14 23:51:45,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:51:45,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:51:45,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:51:45,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:51:45,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:51:45,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:51:45" (1/1) ... [2024-10-14 23:51:45,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f55e640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:45, skipping insertion in model container [2024-10-14 23:51:45,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:51:45" (1/1) ... [2024-10-14 23:51:45,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:51:46,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:51:46,035 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:51:46,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:51:46,202 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:51:46,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46 WrapperNode [2024-10-14 23:51:46,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:51:46,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:51:46,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:51:46,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:51:46,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,325 INFO L138 Inliner]: procedures = 490, calls = 133, calls flagged for inlining = 48, calls inlined = 122, statements flattened = 1956 [2024-10-14 23:51:46,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:51:46,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:51:46,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:51:46,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:51:46,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,350 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,400 INFO L175 MemorySlicer]: Split 287 memory accesses to 9 slices as follows [2, 2, 12, 171, 8, 4, 80, 6, 2]. 60 percent of accesses are in the largest equivalence class. The 28 initializations are split as follows [2, 0, 4, 0, 2, 0, 20, 0, 0]. The 97 writes are split as follows [0, 1, 4, 63, 2, 2, 20, 4, 1]. [2024-10-14 23:51:46,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:51:46,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:51:46,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:51:46,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:51:46,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (1/1) ... [2024-10-14 23:51:46,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:51:46,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:51:46,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:51:46,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:51:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2024-10-14 23:51:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2024-10-14 23:51:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 23:51:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 23:51:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 23:51:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 23:51:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 23:51:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 23:51:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 23:51:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 23:51:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 23:51:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 23:51:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 23:51:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 23:51:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 23:51:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:51:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 23:51:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 23:51:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 23:51:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 23:51:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 23:51:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 23:51:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 23:51:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 23:51:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 23:51:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:51:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 23:51:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 23:51:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 23:51:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 23:51:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 23:51:46,594 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 23:51:46,844 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:51:46,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:51:48,564 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 23:51:48,565 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:51:49,573 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:51:49,574 INFO L314 CfgBuilder]: Removed 11 assume(true) statements. [2024-10-14 23:51:49,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:51:49 BoogieIcfgContainer [2024-10-14 23:51:49,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:51:49,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:51:49,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:51:49,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:51:49,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:51:45" (1/3) ... [2024-10-14 23:51:49,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@947e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:51:49, skipping insertion in model container [2024-10-14 23:51:49,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:51:46" (2/3) ... [2024-10-14 23:51:49,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@947e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:51:49, skipping insertion in model container [2024-10-14 23:51:49,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:51:49" (3/3) ... [2024-10-14 23:51:49,581 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2024-10-14 23:51:49,596 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:51:49,597 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 90 error locations. [2024-10-14 23:51:49,597 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 23:51:49,699 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-14 23:51:49,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 403 places, 452 transitions, 911 flow [2024-10-14 23:51:50,048 INFO L124 PetriNetUnfolderBase]: 97/838 cut-off events. [2024-10-14 23:51:50,052 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 23:51:50,062 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. [2024-10-14 23:51:50,062 INFO L82 GeneralOperation]: Start removeDead. Operand has 403 places, 452 transitions, 911 flow [2024-10-14 23:51:50,076 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 452 transitions, 911 flow [2024-10-14 23:51:50,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:51:50,099 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;@41142384, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:51:50,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2024-10-14 23:51:50,102 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 23:51:50,102 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-10-14 23:51:50,102 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:51:50,102 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:50,102 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-14 23:51:50,103 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-14 23:51:50,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:50,106 INFO L85 PathProgramCache]: Analyzing trace with hash 158453458, now seen corresponding path program 1 times [2024-10-14 23:51:50,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:50,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641537232] [2024-10-14 23:51:50,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:50,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:50,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:50,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641537232] [2024-10-14 23:51:50,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641537232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:50,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:50,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 23:51:50,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546047387] [2024-10-14 23:51:50,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:50,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:51:50,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:50,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:51:50,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:51:50,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 452 [2024-10-14 23:51:50,559 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) [2024-10-14 23:51:50,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:50,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 452 [2024-10-14 23:51:50,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:52,935 INFO L124 PetriNetUnfolderBase]: 6216/14262 cut-off events. [2024-10-14 23:51:52,936 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 23:51:52,950 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. [2024-10-14 23:51:52,999 INFO L140 encePairwiseOnDemand]: 448/452 looper letters, 281 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2024-10-14 23:51:52,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 450 transitions, 1473 flow [2024-10-14 23:51:53,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:51:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 23:51:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2024-10-14 23:51:53,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5796460176991151 [2024-10-14 23:51:53,018 INFO L175 Difference]: Start difference. First operand has 403 places, 452 transitions, 911 flow. Second operand 3 states and 786 transitions. [2024-10-14 23:51:53,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 450 transitions, 1473 flow [2024-10-14 23:51:53,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 450 transitions, 1473 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 23:51:53,031 INFO L231 Difference]: Finished difference. Result has 403 places, 450 transitions, 911 flow [2024-10-14 23:51:53,035 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} [2024-10-14 23:51:53,037 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 0 predicate places. [2024-10-14 23:51:53,038 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 450 transitions, 911 flow [2024-10-14 23:51:53,039 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) [2024-10-14 23:51:53,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:53,039 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:53,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:51:53,040 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-14 23:51:53,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:53,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1071884703, now seen corresponding path program 1 times [2024-10-14 23:51:53,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:53,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870837559] [2024-10-14 23:51:53,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:53,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:53,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:53,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:53,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870837559] [2024-10-14 23:51:53,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870837559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:53,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:51:53,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:51:53,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583291945] [2024-10-14 23:51:53,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:53,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:51:53,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:53,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:51:53,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:51:53,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-10-14 23:51:53,182 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) [2024-10-14 23:51:53,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:53,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-10-14 23:51:53,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:51:57,793 INFO L124 PetriNetUnfolderBase]: 12117/26839 cut-off events. [2024-10-14 23:51:57,793 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 23:51:57,874 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. [2024-10-14 23:51:58,062 INFO L140 encePairwiseOnDemand]: 430/452 looper letters, 541 selfloop transitions, 13 changer transitions 2/715 dead transitions. [2024-10-14 23:51:58,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 715 transitions, 2553 flow [2024-10-14 23:51:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:51:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 23:51:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1214 transitions. [2024-10-14 23:51:58,066 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6714601769911505 [2024-10-14 23:51:58,066 INFO L175 Difference]: Start difference. First operand has 403 places, 450 transitions, 911 flow. Second operand 4 states and 1214 transitions. [2024-10-14 23:51:58,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 715 transitions, 2553 flow [2024-10-14 23:51:58,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 715 transitions, 2549 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 23:51:58,082 INFO L231 Difference]: Finished difference. Result has 406 places, 454 transitions, 981 flow [2024-10-14 23:51:58,083 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} [2024-10-14 23:51:58,084 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2024-10-14 23:51:58,084 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 454 transitions, 981 flow [2024-10-14 23:51:58,085 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) [2024-10-14 23:51:58,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:51:58,086 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:51:58,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:51:58,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-14 23:51:58,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:51:58,087 INFO L85 PathProgramCache]: Analyzing trace with hash -559431089, now seen corresponding path program 1 times [2024-10-14 23:51:58,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:51:58,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007011476] [2024-10-14 23:51:58,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:58,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:51:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:58,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:51:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007011476] [2024-10-14 23:51:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007011476] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:51:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68466365] [2024-10-14 23:51:58,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:51:58,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:51:58,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:51:58,292 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) [2024-10-14 23:51:58,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 23:51:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:51:58,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 23:51:58,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:51:58,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:51:58,501 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:51:58,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68466365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:51:58,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:51:58,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-14 23:51:58,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985959222] [2024-10-14 23:51:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:51:58,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:51:58,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:51:58,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:51:58,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:51:58,537 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-10-14 23:51:58,539 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) [2024-10-14 23:51:58,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:51:58,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-10-14 23:51:58,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:02,722 INFO L124 PetriNetUnfolderBase]: 12117/26837 cut-off events. [2024-10-14 23:52:02,722 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-10-14 23:52:02,762 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. [2024-10-14 23:52:02,845 INFO L140 encePairwiseOnDemand]: 435/452 looper letters, 561 selfloop transitions, 18 changer transitions 1/739 dead transitions. [2024-10-14 23:52:02,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 739 transitions, 2709 flow [2024-10-14 23:52:02,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 23:52:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 23:52:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2024-10-14 23:52:02,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5704277286135693 [2024-10-14 23:52:02,849 INFO L175 Difference]: Start difference. First operand has 406 places, 454 transitions, 981 flow. Second operand 6 states and 1547 transitions. [2024-10-14 23:52:02,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 739 transitions, 2709 flow [2024-10-14 23:52:02,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 739 transitions, 2709 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 23:52:02,865 INFO L231 Difference]: Finished difference. Result has 409 places, 453 transitions, 1013 flow [2024-10-14 23:52:02,865 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} [2024-10-14 23:52:02,866 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2024-10-14 23:52:02,867 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 453 transitions, 1013 flow [2024-10-14 23:52:02,867 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) [2024-10-14 23:52:02,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:02,868 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:02,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 23:52:03,068 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 [2024-10-14 23:52:03,069 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-14 23:52:03,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:03,069 INFO L85 PathProgramCache]: Analyzing trace with hash -162489309, now seen corresponding path program 1 times [2024-10-14 23:52:03,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:03,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156234721] [2024-10-14 23:52:03,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:03,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 23:52:03,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:03,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156234721] [2024-10-14 23:52:03,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156234721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:03,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:03,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:52:03,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926181119] [2024-10-14 23:52:03,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:03,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:52:03,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:03,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:52:03,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:52:03,170 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 452 [2024-10-14 23:52:03,171 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) [2024-10-14 23:52:03,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:03,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 452 [2024-10-14 23:52:03,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:06,807 INFO L124 PetriNetUnfolderBase]: 11961/26691 cut-off events. [2024-10-14 23:52:06,807 INFO L125 PetriNetUnfolderBase]: For 452/452 co-relation queries the response was YES. [2024-10-14 23:52:06,853 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. [2024-10-14 23:52:06,943 INFO L140 encePairwiseOnDemand]: 449/452 looper letters, 283 selfloop transitions, 4 changer transitions 0/452 dead transitions. [2024-10-14 23:52:06,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 452 transitions, 1583 flow [2024-10-14 23:52:06,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:52:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 23:52:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2024-10-14 23:52:06,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5781710914454278 [2024-10-14 23:52:06,948 INFO L175 Difference]: Start difference. First operand has 409 places, 453 transitions, 1013 flow. Second operand 3 states and 784 transitions. [2024-10-14 23:52:06,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 452 transitions, 1583 flow [2024-10-14 23:52:06,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 452 transitions, 1551 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-10-14 23:52:06,960 INFO L231 Difference]: Finished difference. Result has 406 places, 452 transitions, 985 flow [2024-10-14 23:52:06,961 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} [2024-10-14 23:52:06,963 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2024-10-14 23:52:06,964 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 452 transitions, 985 flow [2024-10-14 23:52:06,964 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) [2024-10-14 23:52:06,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:06,965 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:06,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:52:06,965 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-14 23:52:06,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:06,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1521967424, now seen corresponding path program 1 times [2024-10-14 23:52:06,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:06,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042482613] [2024-10-14 23:52:06,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:06,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:07,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:07,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042482613] [2024-10-14 23:52:07,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042482613] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:52:07,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299367927] [2024-10-14 23:52:07,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:07,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:52:07,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:52:07,121 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) [2024-10-14 23:52:07,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 23:52:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:07,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 23:52:07,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:52:07,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:07,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:52:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:07,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299367927] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:52:07,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:52:07,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-14 23:52:07,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106828001] [2024-10-14 23:52:07,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:52:07,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 23:52:07,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:07,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 23:52:07,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:52:07,404 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 452 [2024-10-14 23:52:07,406 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) [2024-10-14 23:52:07,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:07,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 452 [2024-10-14 23:52:07,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:11,547 INFO L124 PetriNetUnfolderBase]: 12091/26786 cut-off events. [2024-10-14 23:52:11,548 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2024-10-14 23:52:11,585 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. [2024-10-14 23:52:11,650 INFO L140 encePairwiseOnDemand]: 428/452 looper letters, 579 selfloop transitions, 27 changer transitions 1/765 dead transitions. [2024-10-14 23:52:11,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 765 transitions, 2825 flow [2024-10-14 23:52:11,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:52:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-14 23:52:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1892 transitions. [2024-10-14 23:52:11,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5232300884955752 [2024-10-14 23:52:11,657 INFO L175 Difference]: Start difference. First operand has 406 places, 452 transitions, 985 flow. Second operand 8 states and 1892 transitions. [2024-10-14 23:52:11,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 765 transitions, 2825 flow [2024-10-14 23:52:11,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 765 transitions, 2811 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 23:52:11,666 INFO L231 Difference]: Finished difference. Result has 409 places, 456 transitions, 1065 flow [2024-10-14 23:52:11,667 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} [2024-10-14 23:52:11,668 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2024-10-14 23:52:11,668 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 456 transitions, 1065 flow [2024-10-14 23:52:11,669 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) [2024-10-14 23:52:11,669 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:11,669 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:11,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 23:52:11,869 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 [2024-10-14 23:52:11,870 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-14 23:52:11,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:11,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1481105216, now seen corresponding path program 2 times [2024-10-14 23:52:11,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:11,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909451174] [2024-10-14 23:52:11,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:11,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:52:12,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:12,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909451174] [2024-10-14 23:52:12,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909451174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:12,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:12,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:52:12,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708951138] [2024-10-14 23:52:12,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:12,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:52:12,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:12,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:52:12,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:52:12,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-10-14 23:52:12,047 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) [2024-10-14 23:52:12,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:12,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-10-14 23:52:12,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:16,046 INFO L124 PetriNetUnfolderBase]: 12039/26699 cut-off events. [2024-10-14 23:52:16,047 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2024-10-14 23:52:16,077 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. [2024-10-14 23:52:16,138 INFO L140 encePairwiseOnDemand]: 437/452 looper letters, 565 selfloop transitions, 13 changer transitions 0/736 dead transitions. [2024-10-14 23:52:16,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 736 transitions, 2781 flow [2024-10-14 23:52:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:52:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 23:52:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1221 transitions. [2024-10-14 23:52:16,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6753318584070797 [2024-10-14 23:52:16,141 INFO L175 Difference]: Start difference. First operand has 409 places, 456 transitions, 1065 flow. Second operand 4 states and 1221 transitions. [2024-10-14 23:52:16,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 736 transitions, 2781 flow [2024-10-14 23:52:16,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 736 transitions, 2743 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-10-14 23:52:16,151 INFO L231 Difference]: Finished difference. Result has 407 places, 454 transitions, 1049 flow [2024-10-14 23:52:16,151 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} [2024-10-14 23:52:16,152 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 4 predicate places. [2024-10-14 23:52:16,152 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 454 transitions, 1049 flow [2024-10-14 23:52:16,152 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) [2024-10-14 23:52:16,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:16,153 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:16,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 23:52:16,153 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-14 23:52:16,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:16,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1401158252, now seen corresponding path program 1 times [2024-10-14 23:52:16,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:16,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424801072] [2024-10-14 23:52:16,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:16,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 23:52:16,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:16,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424801072] [2024-10-14 23:52:16,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424801072] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:52:16,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839789345] [2024-10-14 23:52:16,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:16,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:52:16,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:52:16,312 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) [2024-10-14 23:52:16,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 23:52:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:16,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 23:52:16,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:52:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 23:52:16,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:52:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 23:52:16,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839789345] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:52:16,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:52:16,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-10-14 23:52:16,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952900860] [2024-10-14 23:52:16,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:52:16,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:52:16,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:16,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:52:16,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:52:16,664 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 452 [2024-10-14 23:52:16,666 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) [2024-10-14 23:52:16,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:16,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 452 [2024-10-14 23:52:16,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:52:21,430 INFO L124 PetriNetUnfolderBase]: 12091/26786 cut-off events. [2024-10-14 23:52:21,430 INFO L125 PetriNetUnfolderBase]: For 629/629 co-relation queries the response was YES. [2024-10-14 23:52:21,463 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. [2024-10-14 23:52:21,524 INFO L140 encePairwiseOnDemand]: 432/452 looper letters, 579 selfloop transitions, 29 changer transitions 0/764 dead transitions. [2024-10-14 23:52:21,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 764 transitions, 2895 flow [2024-10-14 23:52:21,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 23:52:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 23:52:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2209 transitions. [2024-10-14 23:52:21,528 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.488716814159292 [2024-10-14 23:52:21,529 INFO L175 Difference]: Start difference. First operand has 407 places, 454 transitions, 1049 flow. Second operand 10 states and 2209 transitions. [2024-10-14 23:52:21,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 764 transitions, 2895 flow [2024-10-14 23:52:21,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 764 transitions, 2881 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 23:52:21,537 INFO L231 Difference]: Finished difference. Result has 415 places, 456 transitions, 1129 flow [2024-10-14 23:52:21,538 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} [2024-10-14 23:52:21,538 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 12 predicate places. [2024-10-14 23:52:21,539 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 456 transitions, 1129 flow [2024-10-14 23:52:21,539 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) [2024-10-14 23:52:21,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:21,540 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:52:21,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 23:52:21,740 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 [2024-10-14 23:52:21,741 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-14 23:52:21,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:21,741 INFO L85 PathProgramCache]: Analyzing trace with hash -296913180, now seen corresponding path program 2 times [2024-10-14 23:52:21,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:21,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150721904] [2024-10-14 23:52:21,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:21,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:52:21,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:52:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:52:21,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 23:52:21,859 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:52:21,860 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 97 remaining) [2024-10-14 23:52:21,862 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 97 remaining) [2024-10-14 23:52:21,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 97 remaining) [2024-10-14 23:52:21,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 97 remaining) [2024-10-14 23:52:21,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 97 remaining) [2024-10-14 23:52:21,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 97 remaining) [2024-10-14 23:52:21,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 97 remaining) [2024-10-14 23:52:21,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 97 remaining) [2024-10-14 23:52:21,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 97 remaining) [2024-10-14 23:52:21,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 97 remaining) [2024-10-14 23:52:21,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 97 remaining) [2024-10-14 23:52:21,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 97 remaining) [2024-10-14 23:52:21,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 97 remaining) [2024-10-14 23:52:21,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 97 remaining) [2024-10-14 23:52:21,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 97 remaining) [2024-10-14 23:52:21,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 97 remaining) [2024-10-14 23:52:21,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 97 remaining) [2024-10-14 23:52:21,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 97 remaining) [2024-10-14 23:52:21,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 97 remaining) [2024-10-14 23:52:21,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 97 remaining) [2024-10-14 23:52:21,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 97 remaining) [2024-10-14 23:52:21,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 97 remaining) [2024-10-14 23:52:21,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 97 remaining) [2024-10-14 23:52:21,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 97 remaining) [2024-10-14 23:52:21,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 97 remaining) [2024-10-14 23:52:21,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 97 remaining) [2024-10-14 23:52:21,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 97 remaining) [2024-10-14 23:52:21,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 97 remaining) [2024-10-14 23:52:21,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 97 remaining) [2024-10-14 23:52:21,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 97 remaining) [2024-10-14 23:52:21,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 97 remaining) [2024-10-14 23:52:21,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 97 remaining) [2024-10-14 23:52:21,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 97 remaining) [2024-10-14 23:52:21,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 97 remaining) [2024-10-14 23:52:21,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 97 remaining) [2024-10-14 23:52:21,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 97 remaining) [2024-10-14 23:52:21,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 97 remaining) [2024-10-14 23:52:21,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 97 remaining) [2024-10-14 23:52:21,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 97 remaining) [2024-10-14 23:52:21,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 97 remaining) [2024-10-14 23:52:21,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 97 remaining) [2024-10-14 23:52:21,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 97 remaining) [2024-10-14 23:52:21,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 97 remaining) [2024-10-14 23:52:21,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 97 remaining) [2024-10-14 23:52:21,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 97 remaining) [2024-10-14 23:52:21,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 97 remaining) [2024-10-14 23:52:21,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 97 remaining) [2024-10-14 23:52:21,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 97 remaining) [2024-10-14 23:52:21,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 97 remaining) [2024-10-14 23:52:21,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 97 remaining) [2024-10-14 23:52:21,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 97 remaining) [2024-10-14 23:52:21,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 97 remaining) [2024-10-14 23:52:21,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 97 remaining) [2024-10-14 23:52:21,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 23:52:21,880 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-10-14 23:52:21,883 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-14 23:52:21,883 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-14 23:52:22,000 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 23:52:22,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 492 transitions, 1000 flow [2024-10-14 23:52:22,093 INFO L124 PetriNetUnfolderBase]: 150/1289 cut-off events. [2024-10-14 23:52:22,093 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 23:52:22,101 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. [2024-10-14 23:52:22,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 492 transitions, 1000 flow [2024-10-14 23:52:22,112 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 492 transitions, 1000 flow [2024-10-14 23:52:22,113 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:52:22,113 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;@41142384, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:52:22,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2024-10-14 23:52:22,115 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 23:52:22,115 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-10-14 23:52:22,115 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:52:22,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:52:22,115 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-14 23:52:22,116 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 100 more)] === [2024-10-14 23:52:22,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:52:22,116 INFO L85 PathProgramCache]: Analyzing trace with hash 173599186, now seen corresponding path program 1 times [2024-10-14 23:52:22,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:52:22,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855150088] [2024-10-14 23:52:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:52:22,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:52:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:52:22,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:52:22,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:52:22,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855150088] [2024-10-14 23:52:22,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855150088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:52:22,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:52:22,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 23:52:22,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542570780] [2024-10-14 23:52:22,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:52:22,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:52:22,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:52:22,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:52:22,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:52:22,182 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 492 [2024-10-14 23:52:22,183 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) [2024-10-14 23:52:22,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:52:22,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 492 [2024-10-14 23:52:22,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand