./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 3061b6dc 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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:55:22,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:55:22,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:55:22,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:55:22,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:55:22,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:55:22,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:55:22,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:55:22,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:55:22,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:55:22,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:55:22,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:55:22,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:55:22,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:55:22,969 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:55:22,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:55:22,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:55:22,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:55:22,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:55:22,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:55:22,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:55:22,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:55:22,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:55:22,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:55:22,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:55:22,972 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:55:22,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:55:22,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:55:22,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:55:22,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:55:22,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:55:22,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:55:22,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:55:22,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:55:22,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:55:22,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:55:22,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:55:22,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:55:22,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:55:22,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:55:22,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:55:22,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:55:22,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:55:22,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:55:22,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2024-11-19 13:55:23,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:55:23,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:55:23,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:55:23,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:55:23,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:55:23,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2024-11-19 13:55:24,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:55:24,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:55:24,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2024-11-19 13:55:24,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fa5287d/9bf41f16d33c4f2e96a6b10421927785/FLAGa0ca66922 [2024-11-19 13:55:24,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fa5287d/9bf41f16d33c4f2e96a6b10421927785 [2024-11-19 13:55:24,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:55:24,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:55:24,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:55:24,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:55:24,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:55:24,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:55:24" (1/1) ... [2024-11-19 13:55:24,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4e465c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:24, skipping insertion in model container [2024-11-19 13:55:24,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:55:24" (1/1) ... [2024-11-19 13:55:24,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:55:25,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:55:25,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:55:25,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:55:25,676 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:55:25,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25 WrapperNode [2024-11-19 13:55:25,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:55:25,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:55:25,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:55:25,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:55:25,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,793 INFO L138 Inliner]: procedures = 491, calls = 159, calls flagged for inlining = 48, calls inlined = 122, statements flattened = 1980 [2024-11-19 13:55:25,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:55:25,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:55:25,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:55:25,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:55:25,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,867 INFO L175 MemorySlicer]: Split 311 memory accesses to 9 slices as follows [2, 4, 8, 2, 12, 80, 195, 6, 2]. 63 percent of accesses are in the largest equivalence class. The 54 initializations are split as follows [2, 0, 2, 0, 4, 20, 26, 0, 0]. The 95 writes are split as follows [0, 2, 2, 1, 4, 20, 61, 4, 1]. [2024-11-19 13:55:25,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:55:25,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:55:25,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:55:25,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:55:25,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (1/1) ... [2024-11-19 13:55:25,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:55:25,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:55:25,964 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) [2024-11-19 13:55:25,966 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 [2024-11-19 13:55:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2024-11-19 13:55:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2024-11-19 13:55:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:55:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:55:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:55:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 13:55:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 13:55:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 13:55:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 13:55:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:55:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:55:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:55:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:55:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:55:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 13:55:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 13:55:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 13:55:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 13:55:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 13:55:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 13:55:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 13:55:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 13:55:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 13:55:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 13:55:26,005 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:55:26,320 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:55:26,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:55:27,779 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:55:27,779 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:55:28,732 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:55:28,733 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-19 13:55:28,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:55:28 BoogieIcfgContainer [2024-11-19 13:55:28,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:55:28,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:55:28,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:55:28,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:55:28,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:55:24" (1/3) ... [2024-11-19 13:55:28,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4201ee34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:55:28, skipping insertion in model container [2024-11-19 13:55:28,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:55:25" (2/3) ... [2024-11-19 13:55:28,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4201ee34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:55:28, skipping insertion in model container [2024-11-19 13:55:28,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:55:28" (3/3) ... [2024-11-19 13:55:28,739 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2024-11-19 13:55:28,753 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:55:28,753 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 90 error locations. [2024-11-19 13:55:28,753 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:55:28,855 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-19 13:55:28,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 403 places, 452 transitions, 911 flow [2024-11-19 13:55:29,123 INFO L124 PetriNetUnfolderBase]: 97/838 cut-off events. [2024-11-19 13:55:29,123 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 13:55:29,131 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. [2024-11-19 13:55:29,131 INFO L82 GeneralOperation]: Start removeDead. Operand has 403 places, 452 transitions, 911 flow [2024-11-19 13:55:29,141 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 452 transitions, 911 flow [2024-11-19 13:55:29,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:55:29,153 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;@7548f425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:55:29,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2024-11-19 13:55:29,162 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:55:29,163 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-11-19 13:55:29,163 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:55:29,163 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:29,164 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-19 13:55:29,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-19 13:55:29,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:29,168 INFO L85 PathProgramCache]: Analyzing trace with hash 159931090, now seen corresponding path program 1 times [2024-11-19 13:55:29,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:29,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527378165] [2024-11-19 13:55:29,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:29,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:29,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:29,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527378165] [2024-11-19 13:55:29,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527378165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:29,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:29,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 13:55:29,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428418965] [2024-11-19 13:55:29,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:29,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:55:29,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:29,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:55:29,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:55:29,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 452 [2024-11-19 13:55:29,629 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) [2024-11-19 13:55:29,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:29,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 452 [2024-11-19 13:55:29,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:31,618 INFO L124 PetriNetUnfolderBase]: 6216/14262 cut-off events. [2024-11-19 13:55:31,619 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 13:55:31,636 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. [2024-11-19 13:55:31,691 INFO L140 encePairwiseOnDemand]: 448/452 looper letters, 281 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2024-11-19 13:55:31,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 450 transitions, 1473 flow [2024-11-19 13:55:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:55:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 13:55:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2024-11-19 13:55:31,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5796460176991151 [2024-11-19 13:55:31,707 INFO L175 Difference]: Start difference. First operand has 403 places, 452 transitions, 911 flow. Second operand 3 states and 786 transitions. [2024-11-19 13:55:31,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 450 transitions, 1473 flow [2024-11-19 13:55:31,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 450 transitions, 1473 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 13:55:31,721 INFO L231 Difference]: Finished difference. Result has 403 places, 450 transitions, 911 flow [2024-11-19 13:55:31,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=403, PETRI_TRANSITIONS=450} [2024-11-19 13:55:31,725 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 0 predicate places. [2024-11-19 13:55:31,725 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 450 transitions, 911 flow [2024-11-19 13:55:31,725 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) [2024-11-19 13:55:31,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:31,726 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:31,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:55:31,726 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-19 13:55:31,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:31,727 INFO L85 PathProgramCache]: Analyzing trace with hash -960523825, now seen corresponding path program 1 times [2024-11-19 13:55:31,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:31,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554073969] [2024-11-19 13:55:31,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:31,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:31,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:31,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554073969] [2024-11-19 13:55:31,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554073969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:31,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:31,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:55:31,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014923590] [2024-11-19 13:55:31,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:31,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:55:31,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:31,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:55:31,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:55:31,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-11-19 13:55:31,859 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) [2024-11-19 13:55:31,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:31,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-11-19 13:55:31,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:35,483 INFO L124 PetriNetUnfolderBase]: 12117/26839 cut-off events. [2024-11-19 13:55:35,483 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 13:55:35,513 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. [2024-11-19 13:55:35,586 INFO L140 encePairwiseOnDemand]: 430/452 looper letters, 541 selfloop transitions, 13 changer transitions 2/715 dead transitions. [2024-11-19 13:55:35,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 715 transitions, 2553 flow [2024-11-19 13:55:35,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:55:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:55:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1214 transitions. [2024-11-19 13:55:35,589 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6714601769911505 [2024-11-19 13:55:35,590 INFO L175 Difference]: Start difference. First operand has 403 places, 450 transitions, 911 flow. Second operand 4 states and 1214 transitions. [2024-11-19 13:55:35,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 715 transitions, 2553 flow [2024-11-19 13:55:35,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 715 transitions, 2549 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 13:55:35,602 INFO L231 Difference]: Finished difference. Result has 406 places, 454 transitions, 981 flow [2024-11-19 13:55:35,603 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=981, PETRI_PLACES=406, PETRI_TRANSITIONS=454} [2024-11-19 13:55:35,604 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2024-11-19 13:55:35,604 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 454 transitions, 981 flow [2024-11-19 13:55:35,605 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) [2024-11-19 13:55:35,605 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:35,605 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:35,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:55:35,606 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-19 13:55:35,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:35,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1887869361, now seen corresponding path program 1 times [2024-11-19 13:55:35,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:35,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269874745] [2024-11-19 13:55:35,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:35,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:35,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:35,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269874745] [2024-11-19 13:55:35,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269874745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:55:35,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279005858] [2024-11-19 13:55:35,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:35,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:55:35,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:55:35,733 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) [2024-11-19 13:55:35,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:55:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:35,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:55:35,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:55:35,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:35,918 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:55:35,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279005858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:35,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:55:35,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 13:55:35,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118963705] [2024-11-19 13:55:35,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:35,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:55:35,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:35,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:55:35,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:55:35,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-11-19 13:55:35,953 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) [2024-11-19 13:55:35,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:35,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-11-19 13:55:35,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:39,398 INFO L124 PetriNetUnfolderBase]: 12117/26837 cut-off events. [2024-11-19 13:55:39,399 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-11-19 13:55:39,430 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. [2024-11-19 13:55:39,514 INFO L140 encePairwiseOnDemand]: 435/452 looper letters, 561 selfloop transitions, 18 changer transitions 1/739 dead transitions. [2024-11-19 13:55:39,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 739 transitions, 2709 flow [2024-11-19 13:55:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:55:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 13:55:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2024-11-19 13:55:39,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5704277286135693 [2024-11-19 13:55:39,518 INFO L175 Difference]: Start difference. First operand has 406 places, 454 transitions, 981 flow. Second operand 6 states and 1547 transitions. [2024-11-19 13:55:39,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 739 transitions, 2709 flow [2024-11-19 13:55:39,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 739 transitions, 2709 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 13:55:39,534 INFO L231 Difference]: Finished difference. Result has 409 places, 453 transitions, 1013 flow [2024-11-19 13:55:39,535 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1013, PETRI_PLACES=409, PETRI_TRANSITIONS=453} [2024-11-19 13:55:39,536 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2024-11-19 13:55:39,536 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 453 transitions, 1013 flow [2024-11-19 13:55:39,537 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) [2024-11-19 13:55:39,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:39,537 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:39,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 13:55:39,738 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 [2024-11-19 13:55:39,739 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-19 13:55:39,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:39,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1605597267, now seen corresponding path program 1 times [2024-11-19 13:55:39,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:39,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249870376] [2024-11-19 13:55:39,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:39,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:55:39,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:39,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249870376] [2024-11-19 13:55:39,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249870376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:39,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:39,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:55:39,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778367477] [2024-11-19 13:55:39,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:39,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:55:39,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:39,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:55:39,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:55:39,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 452 [2024-11-19 13:55:39,831 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) [2024-11-19 13:55:39,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:39,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 452 [2024-11-19 13:55:39,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:43,226 INFO L124 PetriNetUnfolderBase]: 11961/26691 cut-off events. [2024-11-19 13:55:43,226 INFO L125 PetriNetUnfolderBase]: For 452/452 co-relation queries the response was YES. [2024-11-19 13:55:43,256 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. [2024-11-19 13:55:43,322 INFO L140 encePairwiseOnDemand]: 449/452 looper letters, 283 selfloop transitions, 4 changer transitions 0/452 dead transitions. [2024-11-19 13:55:43,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 452 transitions, 1583 flow [2024-11-19 13:55:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:55:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 13:55:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2024-11-19 13:55:43,325 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5781710914454278 [2024-11-19 13:55:43,325 INFO L175 Difference]: Start difference. First operand has 409 places, 453 transitions, 1013 flow. Second operand 3 states and 784 transitions. [2024-11-19 13:55:43,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 452 transitions, 1583 flow [2024-11-19 13:55:43,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 452 transitions, 1551 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-19 13:55:43,336 INFO L231 Difference]: Finished difference. Result has 406 places, 452 transitions, 985 flow [2024-11-19 13:55:43,337 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=985, PETRI_PLACES=406, PETRI_TRANSITIONS=452} [2024-11-19 13:55:43,337 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 3 predicate places. [2024-11-19 13:55:43,338 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 452 transitions, 985 flow [2024-11-19 13:55:43,339 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) [2024-11-19 13:55:43,339 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:43,339 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:43,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:55:43,339 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-19 13:55:43,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:43,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1097151728, now seen corresponding path program 1 times [2024-11-19 13:55:43,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:43,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972990243] [2024-11-19 13:55:43,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:43,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:43,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:43,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972990243] [2024-11-19 13:55:43,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972990243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:55:43,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583914173] [2024-11-19 13:55:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:43,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:55:43,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:55:43,460 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) [2024-11-19 13:55:43,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:55:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:43,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 13:55:43,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:55:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:43,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:55:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:43,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583914173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:55:43,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:55:43,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 13:55:43,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632388312] [2024-11-19 13:55:43,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:55:43,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:43,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:43,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:43,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:43,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 452 [2024-11-19 13:55:43,707 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) [2024-11-19 13:55:43,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:43,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 452 [2024-11-19 13:55:43,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:47,267 INFO L124 PetriNetUnfolderBase]: 12091/26786 cut-off events. [2024-11-19 13:55:47,268 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2024-11-19 13:55:47,293 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. [2024-11-19 13:55:47,352 INFO L140 encePairwiseOnDemand]: 428/452 looper letters, 579 selfloop transitions, 27 changer transitions 1/765 dead transitions. [2024-11-19 13:55:47,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 765 transitions, 2825 flow [2024-11-19 13:55:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:55:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 13:55:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1892 transitions. [2024-11-19 13:55:47,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5232300884955752 [2024-11-19 13:55:47,356 INFO L175 Difference]: Start difference. First operand has 406 places, 452 transitions, 985 flow. Second operand 8 states and 1892 transitions. [2024-11-19 13:55:47,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 765 transitions, 2825 flow [2024-11-19 13:55:47,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 765 transitions, 2811 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 13:55:47,366 INFO L231 Difference]: Finished difference. Result has 409 places, 456 transitions, 1065 flow [2024-11-19 13:55:47,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1065, PETRI_PLACES=409, PETRI_TRANSITIONS=456} [2024-11-19 13:55:47,367 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 6 predicate places. [2024-11-19 13:55:47,367 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 456 transitions, 1065 flow [2024-11-19 13:55:47,368 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) [2024-11-19 13:55:47,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:47,368 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:47,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:55:47,568 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 [2024-11-19 13:55:47,569 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-19 13:55:47,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:47,569 INFO L85 PathProgramCache]: Analyzing trace with hash -447027984, now seen corresponding path program 2 times [2024-11-19 13:55:47,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:47,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521177323] [2024-11-19 13:55:47,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:47,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:47,599 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:47,599 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 13:55:47,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:47,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521177323] [2024-11-19 13:55:47,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521177323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:47,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:47,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:55:47,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536837675] [2024-11-19 13:55:47,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:47,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:55:47,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:47,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:55:47,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:55:47,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 452 [2024-11-19 13:55:47,690 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) [2024-11-19 13:55:47,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:47,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 452 [2024-11-19 13:55:47,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:51,261 INFO L124 PetriNetUnfolderBase]: 12039/26699 cut-off events. [2024-11-19 13:55:51,261 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2024-11-19 13:55:51,286 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. [2024-11-19 13:55:51,338 INFO L140 encePairwiseOnDemand]: 437/452 looper letters, 565 selfloop transitions, 13 changer transitions 0/736 dead transitions. [2024-11-19 13:55:51,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 736 transitions, 2781 flow [2024-11-19 13:55:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:55:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:55:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1221 transitions. [2024-11-19 13:55:51,341 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6753318584070797 [2024-11-19 13:55:51,341 INFO L175 Difference]: Start difference. First operand has 409 places, 456 transitions, 1065 flow. Second operand 4 states and 1221 transitions. [2024-11-19 13:55:51,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 736 transitions, 2781 flow [2024-11-19 13:55:51,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 736 transitions, 2743 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-19 13:55:51,349 INFO L231 Difference]: Finished difference. Result has 407 places, 454 transitions, 1049 flow [2024-11-19 13:55:51,350 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1049, PETRI_PLACES=407, PETRI_TRANSITIONS=454} [2024-11-19 13:55:51,350 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 4 predicate places. [2024-11-19 13:55:51,351 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 454 transitions, 1049 flow [2024-11-19 13:55:51,351 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) [2024-11-19 13:55:51,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:51,351 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:51,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:55:51,351 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-19 13:55:51,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:51,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1288261012, now seen corresponding path program 1 times [2024-11-19 13:55:51,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:51,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169586307] [2024-11-19 13:55:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:51,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:55:51,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:51,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169586307] [2024-11-19 13:55:51,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169586307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:55:51,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219663644] [2024-11-19 13:55:51,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:51,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:55:51,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:55:51,514 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) [2024-11-19 13:55:51,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:55:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:51,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 13:55:51,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:55:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:55:51,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:55:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:55:51,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219663644] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:55:51,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:55:51,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-11-19 13:55:51,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011965727] [2024-11-19 13:55:51,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:55:51,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:55:51,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:51,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:55:51,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:55:51,782 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 452 [2024-11-19 13:55:51,783 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) [2024-11-19 13:55:51,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:51,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 452 [2024-11-19 13:55:51,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:55,691 INFO L124 PetriNetUnfolderBase]: 12091/26786 cut-off events. [2024-11-19 13:55:55,691 INFO L125 PetriNetUnfolderBase]: For 629/629 co-relation queries the response was YES. [2024-11-19 13:55:55,719 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. [2024-11-19 13:55:55,775 INFO L140 encePairwiseOnDemand]: 432/452 looper letters, 579 selfloop transitions, 29 changer transitions 0/764 dead transitions. [2024-11-19 13:55:55,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 764 transitions, 2895 flow [2024-11-19 13:55:55,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:55:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:55:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2209 transitions. [2024-11-19 13:55:55,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.488716814159292 [2024-11-19 13:55:55,783 INFO L175 Difference]: Start difference. First operand has 407 places, 454 transitions, 1049 flow. Second operand 10 states and 2209 transitions. [2024-11-19 13:55:55,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 764 transitions, 2895 flow [2024-11-19 13:55:55,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 764 transitions, 2881 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 13:55:55,792 INFO L231 Difference]: Finished difference. Result has 415 places, 456 transitions, 1129 flow [2024-11-19 13:55:55,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=452, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1129, PETRI_PLACES=415, PETRI_TRANSITIONS=456} [2024-11-19 13:55:55,794 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, 12 predicate places. [2024-11-19 13:55:55,794 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 456 transitions, 1129 flow [2024-11-19 13:55:55,795 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) [2024-11-19 13:55:55,795 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:55,795 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:55,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 13:55:55,998 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 [2024-11-19 13:55:55,999 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-11-19 13:55:55,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:55,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1872488724, now seen corresponding path program 2 times [2024-11-19 13:55:55,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:55,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068826888] [2024-11-19 13:55:55,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:55,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:56,050 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:55:56,051 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 13:55:56,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:55:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:55:56,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:55:56,096 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:55:56,096 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 97 remaining) [2024-11-19 13:55:56,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 97 remaining) [2024-11-19 13:55:56,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 97 remaining) [2024-11-19 13:55:56,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 97 remaining) [2024-11-19 13:55:56,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 97 remaining) [2024-11-19 13:55:56,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 97 remaining) [2024-11-19 13:55:56,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 97 remaining) [2024-11-19 13:55:56,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 97 remaining) [2024-11-19 13:55:56,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 97 remaining) [2024-11-19 13:55:56,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 97 remaining) [2024-11-19 13:55:56,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 97 remaining) [2024-11-19 13:55:56,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 97 remaining) [2024-11-19 13:55:56,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 97 remaining) [2024-11-19 13:55:56,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 97 remaining) [2024-11-19 13:55:56,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 97 remaining) [2024-11-19 13:55:56,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 97 remaining) [2024-11-19 13:55:56,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 97 remaining) [2024-11-19 13:55:56,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 97 remaining) [2024-11-19 13:55:56,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 97 remaining) [2024-11-19 13:55:56,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 97 remaining) [2024-11-19 13:55:56,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 97 remaining) [2024-11-19 13:55:56,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 97 remaining) [2024-11-19 13:55:56,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 97 remaining) [2024-11-19 13:55:56,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 97 remaining) [2024-11-19 13:55:56,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 97 remaining) [2024-11-19 13:55:56,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 97 remaining) [2024-11-19 13:55:56,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 97 remaining) [2024-11-19 13:55:56,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 97 remaining) [2024-11-19 13:55:56,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 97 remaining) [2024-11-19 13:55:56,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 97 remaining) [2024-11-19 13:55:56,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 97 remaining) [2024-11-19 13:55:56,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 97 remaining) [2024-11-19 13:55:56,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 97 remaining) [2024-11-19 13:55:56,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 97 remaining) [2024-11-19 13:55:56,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 97 remaining) [2024-11-19 13:55:56,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 97 remaining) [2024-11-19 13:55:56,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 97 remaining) [2024-11-19 13:55:56,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 97 remaining) [2024-11-19 13:55:56,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 97 remaining) [2024-11-19 13:55:56,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 97 remaining) [2024-11-19 13:55:56,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location StealerErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 97 remaining) [2024-11-19 13:55:56,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:55:56,112 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-11-19 13:55:56,114 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 13:55:56,114 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-19 13:55:56,187 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 13:55:56,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 492 transitions, 1000 flow [2024-11-19 13:55:56,278 INFO L124 PetriNetUnfolderBase]: 150/1289 cut-off events. [2024-11-19 13:55:56,279 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-19 13:55:56,285 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. [2024-11-19 13:55:56,285 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 492 transitions, 1000 flow [2024-11-19 13:55:56,296 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 492 transitions, 1000 flow [2024-11-19 13:55:56,296 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:55:56,297 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;@7548f425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:55:56,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2024-11-19 13:55:56,298 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:55:56,299 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-11-19 13:55:56,299 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:55:56,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:56,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-19 13:55:56,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [StealerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, StealerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 100 more)] === [2024-11-19 13:55:56,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:56,299 INFO L85 PathProgramCache]: Analyzing trace with hash 175076818, now seen corresponding path program 1 times [2024-11-19 13:55:56,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:56,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638237187] [2024-11-19 13:55:56,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:56,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:56,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638237187] [2024-11-19 13:55:56,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638237187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:56,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:56,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 13:55:56,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368817114] [2024-11-19 13:55:56,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:56,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:55:56,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:56,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:55:56,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:55:56,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 492 [2024-11-19 13:55:56,363 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) [2024-11-19 13:55:56,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:56,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 492 [2024-11-19 13:55:56,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand