./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC --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 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:36:36,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:36:36,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 22:36:36,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:36:36,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:36:36,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:36:36,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:36:36,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:36:36,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:36:36,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:36:36,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:36:36,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:36:36,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:36:36,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:36:36,329 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:36:36,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:36:36,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:36:36,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:36:36,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:36:36,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:36:36,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:36:36,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:36:36,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:36:36,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:36:36,330 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:36:36,331 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:36:36,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:36:36,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:36:36,331 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:36:36,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:36:36,331 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:36:36,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:36:36,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:36:36,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:36:36,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:36,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:36:36,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:36:36,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:36:36,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:36:36,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:36,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:36:36,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:36:36,334 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:36:36,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:36:36,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:36:36,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:36:36,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:36:36,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:36:36,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:36:36,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:36:36,335 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC 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 -> 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d [2024-11-23 22:36:36,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:36:36,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:36:36,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:36:36,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:36:36,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:36:36,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i [2024-11-23 22:36:40,533 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/data/7ea14914f/9f3a73ec2a884b94a6208c6640c9be6f/FLAGc7c961ea5 [2024-11-23 22:36:40,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:36:40,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i [2024-11-23 22:36:41,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/data/7ea14914f/9f3a73ec2a884b94a6208c6640c9be6f/FLAGc7c961ea5 [2024-11-23 22:36:41,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/data/7ea14914f/9f3a73ec2a884b94a6208c6640c9be6f [2024-11-23 22:36:41,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:36:41,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:36:41,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:36:41,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:36:41,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:36:41,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:41" (1/1) ... [2024-11-23 22:36:41,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84fea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:41, skipping insertion in model container [2024-11-23 22:36:41,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:41" (1/1) ... [2024-11-23 22:36:41,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:36:42,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:36:42,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:36:42,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:36:42,558 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:36:42,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42 WrapperNode [2024-11-23 22:36:42,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:36:42,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:36:42,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:36:42,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:36:42,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,628 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2024-11-23 22:36:42,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:36:42,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:36:42,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:36:42,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:36:42,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,676 INFO L175 MemorySlicer]: Split 13 memory accesses to 9 slices as follows [1, 5, 1, 1, 1, 1, 1, 1, 1]. 38 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [0, 5, 0, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [1, 0, 1, 1, 1, 1, 1, 1, 1]. [2024-11-23 22:36:42,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,694 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:36:42,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:36:42,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:36:42,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:36:42,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (1/1) ... [2024-11-23 22:36:42,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:42,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:42,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:36:42,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:36:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2024-11-23 22:36:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2024-11-23 22:36:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2024-11-23 22:36:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2024-11-23 22:36:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 22:36:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:36:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:36:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:36:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:36:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:36:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 22:36:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 22:36:42,813 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:36:43,293 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:36:43,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:36:43,847 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:36:43,847 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:36:44,212 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:36:44,212 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-23 22:36:44,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:44 BoogieIcfgContainer [2024-11-23 22:36:44,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:36:44,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:36:44,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:36:44,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:36:44,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:36:41" (1/3) ... [2024-11-23 22:36:44,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53645021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:44, skipping insertion in model container [2024-11-23 22:36:44,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:42" (2/3) ... [2024-11-23 22:36:44,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53645021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:44, skipping insertion in model container [2024-11-23 22:36:44,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:44" (3/3) ... [2024-11-23 22:36:44,225 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr-overflow.i [2024-11-23 22:36:44,241 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:36:44,243 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_36-trylock_nr-overflow.i that has 3 procedures, 79 locations, 1 initial locations, 11 loop locations, and 10 error locations. [2024-11-23 22:36:44,243 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:36:44,345 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 22:36:44,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 108 transitions, 230 flow [2024-11-23 22:36:44,479 INFO L124 PetriNetUnfolderBase]: 30/106 cut-off events. [2024-11-23 22:36:44,482 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 22:36:44,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 106 events. 30/106 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 260 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 85. Up to 5 conditions per place. [2024-11-23 22:36:44,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 108 transitions, 230 flow [2024-11-23 22:36:44,504 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 97 transitions, 203 flow [2024-11-23 22:36:44,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:36:44,530 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;@196852ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:36:44,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-23 22:36:44,533 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:36:44,533 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-11-23 22:36:44,533 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:36:44,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:36:44,534 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-23 22:36:44,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-23 22:36:44,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash 20140, now seen corresponding path program 1 times [2024-11-23 22:36:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376430533] [2024-11-23 22:36:44,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:44,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:36:45,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:45,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376430533] [2024-11-23 22:36:45,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376430533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:45,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:45,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 22:36:45,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498676771] [2024-11-23 22:36:45,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:45,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:36:45,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:45,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:36:45,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:45,074 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 108 [2024-11-23 22:36:45,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 97 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-11-23 22:36:45,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:36:45,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 108 [2024-11-23 22:36:45,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:36:45,520 INFO L124 PetriNetUnfolderBase]: 627/1409 cut-off events. [2024-11-23 22:36:45,520 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-23 22:36:45,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2419 conditions, 1409 events. 627/1409 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8606 event pairs, 498 based on Foata normal form. 286/1421 useless extension candidates. Maximal degree in co-relation 2329. Up to 965 conditions per place. [2024-11-23 22:36:45,543 INFO L140 encePairwiseOnDemand]: 89/108 looper letters, 32 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2024-11-23 22:36:45,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 66 transitions, 209 flow [2024-11-23 22:36:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:36:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:36:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2024-11-23 22:36:45,559 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5740740740740741 [2024-11-23 22:36:45,561 INFO L175 Difference]: Start difference. First operand has 77 places, 97 transitions, 203 flow. Second operand 3 states and 186 transitions. [2024-11-23 22:36:45,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 66 transitions, 209 flow [2024-11-23 22:36:45,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 22:36:45,572 INFO L231 Difference]: Finished difference. Result has 68 places, 66 transitions, 140 flow [2024-11-23 22:36:45,575 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=68, PETRI_TRANSITIONS=66} [2024-11-23 22:36:45,579 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, -9 predicate places. [2024-11-23 22:36:45,581 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 66 transitions, 140 flow [2024-11-23 22:36:45,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-11-23 22:36:45,581 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:36:45,581 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-23 22:36:45,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:36:45,582 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-23 22:36:45,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:45,583 INFO L85 PathProgramCache]: Analyzing trace with hash 624959, now seen corresponding path program 1 times [2024-11-23 22:36:45,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:45,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368467237] [2024-11-23 22:36:45,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:45,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:36:45,640 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:36:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:36:45,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:36:45,667 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:36:45,672 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-23 22:36:45,674 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-23 22:36:45,674 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-23 22:36:45,674 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-23 22:36:45,674 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-23 22:36:45,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-23 22:36:45,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-23 22:36:45,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-23 22:36:45,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-23 22:36:45,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-23 22:36:45,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-23 22:36:45,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-23 22:36:45,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:36:45,679 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 22:36:45,717 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:36:45,717 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:36:45,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:36:45 BasicIcfg [2024-11-23 22:36:45,728 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:36:45,729 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:36:45,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:36:45,730 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:36:45,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:44" (3/4) ... [2024-11-23 22:36:45,732 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-23 22:36:45,778 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-11-23 22:36:45,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:36:45,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:36:45,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:36:45,823 INFO L158 Benchmark]: Toolchain (without parser) took 4782.82ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 88.5MB in the beginning and 98.6MB in the end (delta: -10.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-23 22:36:45,824 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.2MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:36:45,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1516.98ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 78.4MB in the end (delta: 10.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-23 22:36:45,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.83ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:36:45,825 INFO L158 Benchmark]: Boogie Preprocessor took 87.84ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 71.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:36:45,827 INFO L158 Benchmark]: RCFGBuilder took 1494.24ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 70.3MB in the end (delta: 899.6kB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-11-23 22:36:45,830 INFO L158 Benchmark]: TraceAbstraction took 1512.92ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 69.6MB in the beginning and 103.2MB in the end (delta: -33.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-23 22:36:45,831 INFO L158 Benchmark]: Witness Printer took 92.90ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 98.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:36:45,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.2MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1516.98ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 78.4MB in the end (delta: 10.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.83ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.84ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 71.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1494.24ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 70.3MB in the end (delta: 899.6kB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1512.92ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 69.6MB in the beginning and 103.2MB in the end (delta: -33.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Witness Printer took 92.90ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 98.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1839]: integer overflow possible integer overflow possible We found a FailurePath: [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1798] long counter; [L1799] time_t end_time; [L1836] int status; [L1837] pthread_t counter_thread_id; [L1838] pthread_t monitor_thread_id; [L1839] time (((void *)0)) + 60 VAL [\old(argc)=2147483589, \old(argv)={2147483590:2147483591}, argc=2147483589, counter=0, end_time=0, mutex={1:0}] - UnprovableResult [Line: 1830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1807]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1807]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1840]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1843]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 132 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=203occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-23 22:36:45,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc084997-cdda-4063-8da3-0b906316ce9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)