./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../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.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:34:48,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:34:48,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:34:48,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:34:48,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:34:48,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:34:48,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:34:48,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:34:48,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:34:48,638 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:34:48,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:34:48,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:34:48,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:34:48,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:34:48,640 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:34:48,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:34:48,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:34:48,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:34:48,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:34:48,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:34:48,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:34:48,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:34:48,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:34:48,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:34:48,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:34:48,644 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:34:48,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:34:48,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:34:48,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:34:48,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:34:48,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:34:48,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:34:48,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:34:48,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:34:48,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:34:48,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:34:48,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:34:48,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:34:48,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:34:48,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:34:48,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:34:48,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:34:48,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:34:48,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:34:48,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2024-11-12 20:34:48,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:34:48,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:34:48,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:34:48,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:34:48,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:34:48,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2024-11-12 20:34:50,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:34:50,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:34:50,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2024-11-12 20:34:50,763 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f9facb2/127d2401911741c5bdeb2a7517e8a8e4/FLAGb3d32255a [2024-11-12 20:34:50,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f9facb2/127d2401911741c5bdeb2a7517e8a8e4 [2024-11-12 20:34:50,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:34:50,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:34:50,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:34:50,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:34:51,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:34:51,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:34:50" (1/1) ... [2024-11-12 20:34:51,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee60e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51, skipping insertion in model container [2024-11-12 20:34:51,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:34:50" (1/1) ... [2024-11-12 20:34:51,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:34:51,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:34:51,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:34:51,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:34:51,983 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:34:51,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51 WrapperNode [2024-11-12 20:34:51,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:34:51,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:34:51,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:34:51,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:34:51,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,124 INFO L138 Inliner]: procedures = 491, calls = 159, calls flagged for inlining = 48, calls inlined = 122, statements flattened = 1980 [2024-11-12 20:34:52,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:34:52,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:34:52,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:34:52,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:34:52,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,213 INFO L175 MemorySlicer]: Split 311 memory accesses to 9 slices as follows [2, 2, 80, 2, 4, 8, 12, 195, 6]. 63 percent of accesses are in the largest equivalence class. The 54 initializations are split as follows [2, 0, 20, 0, 0, 2, 4, 26, 0]. The 95 writes are split as follows [0, 1, 20, 1, 2, 2, 4, 61, 4]. [2024-11-12 20:34:52,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:34:52,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:34:52,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:34:52,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:34:52,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (1/1) ... [2024-11-12 20:34:52,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:34:52,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:34:52,405 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) [2024-11-12 20:34:52,411 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 [2024-11-12 20:34:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2024-11-12 20:34:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2024-11-12 20:34:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 20:34:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:34:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 20:34:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:34:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 20:34:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 20:34:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 20:34:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 20:34:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:34:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 20:34:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 20:34:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 20:34:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 20:34:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 20:34:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 20:34:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 20:34:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 20:34:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 20:34:52,525 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 20:34:52,973 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:34:52,975 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:34:55,031 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 20:34:55,032 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:34:56,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:34:56,321 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-12 20:34:56,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:34:56 BoogieIcfgContainer [2024-11-12 20:34:56,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:34:56,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:34:56,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:34:56,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:34:56,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:34:50" (1/3) ... [2024-11-12 20:34:56,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4469379d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:34:56, skipping insertion in model container [2024-11-12 20:34:56,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:51" (2/3) ... [2024-11-12 20:34:56,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4469379d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:34:56, skipping insertion in model container [2024-11-12 20:34:56,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:34:56" (3/3) ... [2024-11-12 20:34:56,331 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2024-11-12 20:34:56,351 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:34:56,352 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 90 error locations. [2024-11-12 20:34:56,352 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 20:34:56,491 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-12 20:34:56,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 403 places, 452 transitions, 911 flow [2024-11-12 20:34:56,799 INFO L124 PetriNetUnfolderBase]: 97/838 cut-off events. [2024-11-12 20:34:56,799 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 20:34:56,810 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. [2024-11-12 20:34:56,811 INFO L82 GeneralOperation]: Start removeDead. Operand has 403 places, 452 transitions, 911 flow [2024-11-12 20:34:56,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 452 transitions, 911 flow [2024-11-12 20:34:56,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:34:56,847 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;@2dfaa289, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:34:56,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2024-11-12 20:34:56,855 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 20:34:56,856 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-11-12 20:34:56,856 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 20:34:56,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:34:56,857 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-12 20:34:56,858 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-12 20:34:56,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:34:56,865 INFO L85 PathProgramCache]: Analyzing trace with hash 159931090, now seen corresponding path program 1 times [2024-11-12 20:34:56,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:34:56,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428569709] [2024-11-12 20:34:56,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:34:56,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:34:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:34:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:34:57,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:34:57,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428569709] [2024-11-12 20:34:57,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428569709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:34:57,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:34:57,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 20:34:57,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270137801] [2024-11-12 20:34:57,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:34:57,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:34:57,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:34:57,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:34:57,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:34:57,432 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 452 [2024-11-12 20:34:57,440 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) [2024-11-12 20:34:57,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:34:57,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 452 [2024-11-12 20:34:57,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:35:00,118 INFO L124 PetriNetUnfolderBase]: 6216/14262 cut-off events. [2024-11-12 20:35:00,119 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 20:35:00,137 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. [2024-11-12 20:35:00,197 INFO L140 encePairwiseOnDemand]: 448/452 looper letters, 281 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2024-11-12 20:35:00,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 450 transitions, 1473 flow [2024-11-12 20:35:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:35:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 20:35:00,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2024-11-12 20:35:00,217 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5796460176991151 [2024-11-12 20:35:00,220 INFO L175 Difference]: Start difference. First operand has 403 places, 452 transitions, 911 flow. Second operand 3 states and 786 transitions. [2024-11-12 20:35:00,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 450 transitions, 1473 flow [2024-11-12 20:35:00,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 450 transitions, 1473 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 20:35:00,238 INFO L231 Difference]: Finished difference. Result has 403 places, 450 transitions, 911 flow [2024-11-12 20:35:00,241 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=403, PETRI_TRANSITIONS=450} [2024-11-12 20:35:00,245 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 0 predicate places. [2024-11-12 20:35:00,245 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 450 transitions, 911 flow [2024-11-12 20:35:00,246 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) [2024-11-12 20:35:00,246 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:35:00,246 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:35:00,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:35:00,247 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-12 20:35:00,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:35:00,248 INFO L85 PathProgramCache]: Analyzing trace with hash -960523825, now seen corresponding path program 1 times [2024-11-12 20:35:00,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:35:00,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260732710] [2024-11-12 20:35:00,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:00,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:35:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:00,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:35:00,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260732710] [2024-11-12 20:35:00,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260732710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:35:00,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:35:00,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:35:00,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593510105] [2024-11-12 20:35:00,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:35:00,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:35:00,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:35:00,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:35:00,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:35:00,410 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-11-12 20:35:00,412 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) [2024-11-12 20:35:00,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:35:00,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-11-12 20:35:00,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:35:05,435 INFO L124 PetriNetUnfolderBase]: 12117/26839 cut-off events. [2024-11-12 20:35:05,435 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 20:35:05,480 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. [2024-11-12 20:35:05,577 INFO L140 encePairwiseOnDemand]: 430/452 looper letters, 541 selfloop transitions, 13 changer transitions 2/715 dead transitions. [2024-11-12 20:35:05,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 715 transitions, 2553 flow [2024-11-12 20:35:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:35:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 20:35:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1214 transitions. [2024-11-12 20:35:05,581 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6714601769911505 [2024-11-12 20:35:05,581 INFO L175 Difference]: Start difference. First operand has 403 places, 450 transitions, 911 flow. Second operand 4 states and 1214 transitions. [2024-11-12 20:35:05,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 715 transitions, 2553 flow [2024-11-12 20:35:05,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 715 transitions, 2549 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 20:35:05,596 INFO L231 Difference]: Finished difference. Result has 406 places, 454 transitions, 981 flow [2024-11-12 20:35:05,597 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=981, PETRI_PLACES=406, PETRI_TRANSITIONS=454} [2024-11-12 20:35:05,598 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2024-11-12 20:35:05,598 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 454 transitions, 981 flow [2024-11-12 20:35:05,599 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) [2024-11-12 20:35:05,599 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:35:05,599 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:35:05,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 20:35:05,600 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-12 20:35:05,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:35:05,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1887869361, now seen corresponding path program 1 times [2024-11-12 20:35:05,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:35:05,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666223159] [2024-11-12 20:35:05,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:05,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:35:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:05,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:35:05,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666223159] [2024-11-12 20:35:05,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666223159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:35:05,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711155650] [2024-11-12 20:35:05,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:05,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:35:05,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:35:05,819 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) [2024-11-12 20:35:05,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 20:35:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:06,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:35:06,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:35:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:06,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:35:06,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711155650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:35:06,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:35:06,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-12 20:35:06,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206003505] [2024-11-12 20:35:06,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:35:06,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 20:35:06,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:35:06,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 20:35:06,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:35:06,132 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-11-12 20:35:06,133 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) [2024-11-12 20:35:06,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:35:06,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-11-12 20:35:06,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:35:10,727 INFO L124 PetriNetUnfolderBase]: 12117/26837 cut-off events. [2024-11-12 20:35:10,728 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-11-12 20:35:10,775 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. [2024-11-12 20:35:10,880 INFO L140 encePairwiseOnDemand]: 435/452 looper letters, 561 selfloop transitions, 18 changer transitions 1/739 dead transitions. [2024-11-12 20:35:10,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 739 transitions, 2709 flow [2024-11-12 20:35:10,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 20:35:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 20:35:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2024-11-12 20:35:10,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5704277286135693 [2024-11-12 20:35:10,886 INFO L175 Difference]: Start difference. First operand has 406 places, 454 transitions, 981 flow. Second operand 6 states and 1547 transitions. [2024-11-12 20:35:10,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 739 transitions, 2709 flow [2024-11-12 20:35:10,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 739 transitions, 2709 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 20:35:10,906 INFO L231 Difference]: Finished difference. Result has 409 places, 453 transitions, 1013 flow [2024-11-12 20:35:10,907 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1013, PETRI_PLACES=409, PETRI_TRANSITIONS=453} [2024-11-12 20:35:10,907 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2024-11-12 20:35:10,908 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 453 transitions, 1013 flow [2024-11-12 20:35:10,909 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) [2024-11-12 20:35:10,909 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:35:10,910 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:35:10,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 20:35:11,110 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 [2024-11-12 20:35:11,111 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-12 20:35:11,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:35:11,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1605597267, now seen corresponding path program 1 times [2024-11-12 20:35:11,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:35:11,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118479337] [2024-11-12 20:35:11,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:11,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:35:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 20:35:11,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:35:11,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118479337] [2024-11-12 20:35:11,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118479337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:35:11,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:35:11,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 20:35:11,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428177014] [2024-11-12 20:35:11,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:35:11,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:35:11,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:35:11,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:35:11,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:35:11,257 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 452 [2024-11-12 20:35:11,258 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) [2024-11-12 20:35:11,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:35:11,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 452 [2024-11-12 20:35:11,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:35:15,153 INFO L124 PetriNetUnfolderBase]: 11961/26691 cut-off events. [2024-11-12 20:35:15,153 INFO L125 PetriNetUnfolderBase]: For 452/452 co-relation queries the response was YES. [2024-11-12 20:35:15,191 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. [2024-11-12 20:35:15,272 INFO L140 encePairwiseOnDemand]: 449/452 looper letters, 283 selfloop transitions, 4 changer transitions 0/452 dead transitions. [2024-11-12 20:35:15,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 452 transitions, 1583 flow [2024-11-12 20:35:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:35:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 20:35:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2024-11-12 20:35:15,277 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5781710914454278 [2024-11-12 20:35:15,277 INFO L175 Difference]: Start difference. First operand has 409 places, 453 transitions, 1013 flow. Second operand 3 states and 784 transitions. [2024-11-12 20:35:15,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 452 transitions, 1583 flow [2024-11-12 20:35:15,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 452 transitions, 1551 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-12 20:35:15,296 INFO L231 Difference]: Finished difference. Result has 406 places, 452 transitions, 985 flow [2024-11-12 20:35:15,297 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=985, PETRI_PLACES=406, PETRI_TRANSITIONS=452} [2024-11-12 20:35:15,297 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2024-11-12 20:35:15,299 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 452 transitions, 985 flow [2024-11-12 20:35:15,299 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) [2024-11-12 20:35:15,299 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:35:15,299 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:35:15,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:35:15,300 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-12 20:35:15,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:35:15,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1097151728, now seen corresponding path program 1 times [2024-11-12 20:35:15,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:35:15,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618648917] [2024-11-12 20:35:15,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:15,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:35:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:15,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:35:15,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618648917] [2024-11-12 20:35:15,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618648917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:35:15,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691858068] [2024-11-12 20:35:15,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:15,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:35:15,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:35:15,474 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) [2024-11-12 20:35:15,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 20:35:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:15,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:35:15,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:35:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:15,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:35:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:15,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691858068] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:35:15,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:35:15,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-12 20:35:15,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922279084] [2024-11-12 20:35:15,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:35:15,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 20:35:15,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:35:15,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 20:35:15,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:35:15,822 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 452 [2024-11-12 20:35:15,824 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) [2024-11-12 20:35:15,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:35:15,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 452 [2024-11-12 20:35:15,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:35:20,159 INFO L124 PetriNetUnfolderBase]: 12091/26786 cut-off events. [2024-11-12 20:35:20,160 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2024-11-12 20:35:20,198 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. [2024-11-12 20:35:20,286 INFO L140 encePairwiseOnDemand]: 428/452 looper letters, 579 selfloop transitions, 27 changer transitions 1/765 dead transitions. [2024-11-12 20:35:20,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 765 transitions, 2825 flow [2024-11-12 20:35:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:35:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 20:35:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1892 transitions. [2024-11-12 20:35:20,292 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5232300884955752 [2024-11-12 20:35:20,292 INFO L175 Difference]: Start difference. First operand has 406 places, 452 transitions, 985 flow. Second operand 8 states and 1892 transitions. [2024-11-12 20:35:20,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 765 transitions, 2825 flow [2024-11-12 20:35:20,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 765 transitions, 2811 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 20:35:20,304 INFO L231 Difference]: Finished difference. Result has 409 places, 456 transitions, 1065 flow [2024-11-12 20:35:20,305 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1065, PETRI_PLACES=409, PETRI_TRANSITIONS=456} [2024-11-12 20:35:20,306 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2024-11-12 20:35:20,306 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 456 transitions, 1065 flow [2024-11-12 20:35:20,307 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) [2024-11-12 20:35:20,308 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:35:20,308 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:35:20,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 20:35:20,512 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 [2024-11-12 20:35:20,513 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-12 20:35:20,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:35:20,513 INFO L85 PathProgramCache]: Analyzing trace with hash -447027984, now seen corresponding path program 2 times [2024-11-12 20:35:20,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:35:20,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91812076] [2024-11-12 20:35:20,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:20,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:35:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 20:35:20,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:35:20,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91812076] [2024-11-12 20:35:20,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91812076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:35:20,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:35:20,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:35:20,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401180555] [2024-11-12 20:35:20,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:35:20,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:35:20,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:35:20,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:35:20,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:35:20,679 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-11-12 20:35:20,680 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) [2024-11-12 20:35:20,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:35:20,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-11-12 20:35:20,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:35:24,806 INFO L124 PetriNetUnfolderBase]: 12039/26699 cut-off events. [2024-11-12 20:35:24,807 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2024-11-12 20:35:24,838 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. [2024-11-12 20:35:24,920 INFO L140 encePairwiseOnDemand]: 437/452 looper letters, 565 selfloop transitions, 13 changer transitions 0/736 dead transitions. [2024-11-12 20:35:24,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 736 transitions, 2781 flow [2024-11-12 20:35:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:35:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 20:35:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1221 transitions. [2024-11-12 20:35:24,924 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6753318584070797 [2024-11-12 20:35:24,924 INFO L175 Difference]: Start difference. First operand has 409 places, 456 transitions, 1065 flow. Second operand 4 states and 1221 transitions. [2024-11-12 20:35:24,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 736 transitions, 2781 flow [2024-11-12 20:35:24,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 736 transitions, 2743 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-12 20:35:24,937 INFO L231 Difference]: Finished difference. Result has 407 places, 454 transitions, 1049 flow [2024-11-12 20:35:24,938 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1049, PETRI_PLACES=407, PETRI_TRANSITIONS=454} [2024-11-12 20:35:24,939 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 4 predicate places. [2024-11-12 20:35:24,939 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 454 transitions, 1049 flow [2024-11-12 20:35:24,939 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) [2024-11-12 20:35:24,940 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:35:24,940 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:35:24,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 20:35:24,940 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-12 20:35:24,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:35:24,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1288261012, now seen corresponding path program 1 times [2024-11-12 20:35:24,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:35:24,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128616311] [2024-11-12 20:35:24,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:35:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:25,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:35:25,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128616311] [2024-11-12 20:35:25,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128616311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:35:25,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114954330] [2024-11-12 20:35:25,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:25,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:35:25,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:35:25,194 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) [2024-11-12 20:35:25,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 20:35:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:25,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 20:35:25,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:35:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:25,448 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:35:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:25,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114954330] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:35:25,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:35:25,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-11-12 20:35:25,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790548732] [2024-11-12 20:35:25,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:35:25,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:35:25,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:35:25,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:35:25,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:35:25,591 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 452 [2024-11-12 20:35:25,593 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) [2024-11-12 20:35:25,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:35:25,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 452 [2024-11-12 20:35:25,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:35:30,096 INFO L124 PetriNetUnfolderBase]: 12091/26786 cut-off events. [2024-11-12 20:35:30,096 INFO L125 PetriNetUnfolderBase]: For 629/629 co-relation queries the response was YES. [2024-11-12 20:35:30,124 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. [2024-11-12 20:35:30,198 INFO L140 encePairwiseOnDemand]: 432/452 looper letters, 579 selfloop transitions, 29 changer transitions 0/764 dead transitions. [2024-11-12 20:35:30,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 764 transitions, 2895 flow [2024-11-12 20:35:30,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 20:35:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 20:35:30,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2209 transitions. [2024-11-12 20:35:30,204 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.488716814159292 [2024-11-12 20:35:30,204 INFO L175 Difference]: Start difference. First operand has 407 places, 454 transitions, 1049 flow. Second operand 10 states and 2209 transitions. [2024-11-12 20:35:30,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 764 transitions, 2895 flow [2024-11-12 20:35:30,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 764 transitions, 2881 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 20:35:30,217 INFO L231 Difference]: Finished difference. Result has 415 places, 456 transitions, 1129 flow [2024-11-12 20:35:30,217 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1129, PETRI_PLACES=415, PETRI_TRANSITIONS=456} [2024-11-12 20:35:30,218 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, 12 predicate places. [2024-11-12 20:35:30,218 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 456 transitions, 1129 flow [2024-11-12 20:35:30,219 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) [2024-11-12 20:35:30,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:35:30,219 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:35:30,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 20:35:30,420 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 [2024-11-12 20:35:30,420 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-12 20:35:30,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:35:30,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1872488724, now seen corresponding path program 2 times [2024-11-12 20:35:30,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:35:30,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095324509] [2024-11-12 20:35:30,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:30,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:35:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:35:30,479 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:35:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:35:30,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:35:30,536 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 20:35:30,537 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 97 remaining) [2024-11-12 20:35:30,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 97 remaining) [2024-11-12 20:35:30,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 97 remaining) [2024-11-12 20:35:30,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 97 remaining) [2024-11-12 20:35:30,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 97 remaining) [2024-11-12 20:35:30,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 97 remaining) [2024-11-12 20:35:30,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 97 remaining) [2024-11-12 20:35:30,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 97 remaining) [2024-11-12 20:35:30,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 97 remaining) [2024-11-12 20:35:30,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 97 remaining) [2024-11-12 20:35:30,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 97 remaining) [2024-11-12 20:35:30,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 97 remaining) [2024-11-12 20:35:30,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 97 remaining) [2024-11-12 20:35:30,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 97 remaining) [2024-11-12 20:35:30,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 97 remaining) [2024-11-12 20:35:30,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 97 remaining) [2024-11-12 20:35:30,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 97 remaining) [2024-11-12 20:35:30,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 97 remaining) [2024-11-12 20:35:30,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 97 remaining) [2024-11-12 20:35:30,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 97 remaining) [2024-11-12 20:35:30,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 97 remaining) [2024-11-12 20:35:30,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 97 remaining) [2024-11-12 20:35:30,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 97 remaining) [2024-11-12 20:35:30,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 97 remaining) [2024-11-12 20:35:30,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 97 remaining) [2024-11-12 20:35:30,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 97 remaining) [2024-11-12 20:35:30,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 97 remaining) [2024-11-12 20:35:30,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 97 remaining) [2024-11-12 20:35:30,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 97 remaining) [2024-11-12 20:35:30,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 97 remaining) [2024-11-12 20:35:30,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 97 remaining) [2024-11-12 20:35:30,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 97 remaining) [2024-11-12 20:35:30,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 97 remaining) [2024-11-12 20:35:30,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 97 remaining) [2024-11-12 20:35:30,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 97 remaining) [2024-11-12 20:35:30,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 97 remaining) [2024-11-12 20:35:30,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 97 remaining) [2024-11-12 20:35:30,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 97 remaining) [2024-11-12 20:35:30,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 97 remaining) [2024-11-12 20:35:30,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 97 remaining) [2024-11-12 20:35:30,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 97 remaining) [2024-11-12 20:35:30,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 97 remaining) [2024-11-12 20:35:30,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 97 remaining) [2024-11-12 20:35:30,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 97 remaining) [2024-11-12 20:35:30,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 97 remaining) [2024-11-12 20:35:30,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 97 remaining) [2024-11-12 20:35:30,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 97 remaining) [2024-11-12 20:35:30,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 97 remaining) [2024-11-12 20:35:30,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 97 remaining) [2024-11-12 20:35:30,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 97 remaining) [2024-11-12 20:35:30,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 97 remaining) [2024-11-12 20:35:30,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 97 remaining) [2024-11-12 20:35:30,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 97 remaining) [2024-11-12 20:35:30,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 97 remaining) [2024-11-12 20:35:30,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 97 remaining) [2024-11-12 20:35:30,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 97 remaining) [2024-11-12 20:35:30,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 97 remaining) [2024-11-12 20:35:30,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 97 remaining) [2024-11-12 20:35:30,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 97 remaining) [2024-11-12 20:35:30,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 97 remaining) [2024-11-12 20:35:30,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 97 remaining) [2024-11-12 20:35:30,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 97 remaining) [2024-11-12 20:35:30,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 97 remaining) [2024-11-12 20:35:30,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 97 remaining) [2024-11-12 20:35:30,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 97 remaining) [2024-11-12 20:35:30,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 97 remaining) [2024-11-12 20:35:30,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 97 remaining) [2024-11-12 20:35:30,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 97 remaining) [2024-11-12 20:35:30,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 97 remaining) [2024-11-12 20:35:30,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 97 remaining) [2024-11-12 20:35:30,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 97 remaining) [2024-11-12 20:35:30,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 97 remaining) [2024-11-12 20:35:30,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 97 remaining) [2024-11-12 20:35:30,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 97 remaining) [2024-11-12 20:35:30,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 97 remaining) [2024-11-12 20:35:30,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 97 remaining) [2024-11-12 20:35:30,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 97 remaining) [2024-11-12 20:35:30,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 97 remaining) [2024-11-12 20:35:30,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 97 remaining) [2024-11-12 20:35:30,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 97 remaining) [2024-11-12 20:35:30,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 97 remaining) [2024-11-12 20:35:30,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 97 remaining) [2024-11-12 20:35:30,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 97 remaining) [2024-11-12 20:35:30,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 97 remaining) [2024-11-12 20:35:30,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 97 remaining) [2024-11-12 20:35:30,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 97 remaining) [2024-11-12 20:35:30,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 97 remaining) [2024-11-12 20:35:30,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 97 remaining) [2024-11-12 20:35:30,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 20:35:30,554 INFO L421 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-11-12 20:35:30,556 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-12 20:35:30,557 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-12 20:35:30,651 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 20:35:30,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 492 transitions, 1000 flow [2024-11-12 20:35:30,781 INFO L124 PetriNetUnfolderBase]: 150/1289 cut-off events. [2024-11-12 20:35:30,781 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-12 20:35:30,790 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. [2024-11-12 20:35:30,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 492 transitions, 1000 flow [2024-11-12 20:35:30,805 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 492 transitions, 1000 flow [2024-11-12 20:35:30,806 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:35:30,807 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;@2dfaa289, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:35:30,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2024-11-12 20:35:30,809 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 20:35:30,809 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-11-12 20:35:30,809 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 20:35:30,809 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:35:30,810 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-12 20:35:30,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 100 more)] === [2024-11-12 20:35:30,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:35:30,813 INFO L85 PathProgramCache]: Analyzing trace with hash 175076818, now seen corresponding path program 1 times [2024-11-12 20:35:30,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:35:30,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237698283] [2024-11-12 20:35:30,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:35:30,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:35:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:35:30,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:35:30,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:35:30,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237698283] [2024-11-12 20:35:30,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237698283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:35:30,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:35:30,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 20:35:30,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051798544] [2024-11-12 20:35:30,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:35:30,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:35:30,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:35:30,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:35:30,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:35:30,887 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 492 [2024-11-12 20:35:30,888 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) [2024-11-12 20:35:30,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:35:30,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 492 [2024-11-12 20:35:30,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand