./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:43:49,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:43:49,542 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:43:49,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:43:49,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:43:49,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:43:49,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:43:49,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:43:49,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:43:49,582 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:43:49,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:43:49,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:43:49,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:43:49,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:43:49,583 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:43:49,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:43:49,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:43:49,584 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:43:49,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:43:49,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:43:49,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:43:49,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:43:49,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:43:49,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:43:49,585 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:43:49,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:43:49,585 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:43:49,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:43:49,585 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:43:49,585 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:43:49,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:43:49,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:43:49,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:43:49,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:43:49,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:43:49,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:43:49,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:43:49,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:43:49,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:43:49,587 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 -> /storage/repos/ultimate-jdk21/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 -> 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d [2025-01-10 06:43:49,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:43:49,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:43:49,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:43:49,879 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:43:49,879 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:43:49,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i [2025-01-10 06:43:51,176 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9dd5fb424/6ccbfc51e82c4070a42052c7708c2dba/FLAG37312fda2 [2025-01-10 06:43:51,596 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:43:51,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i [2025-01-10 06:43:51,626 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9dd5fb424/6ccbfc51e82c4070a42052c7708c2dba/FLAG37312fda2 [2025-01-10 06:43:51,647 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9dd5fb424/6ccbfc51e82c4070a42052c7708c2dba [2025-01-10 06:43:51,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:43:51,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:43:51,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:43:51,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:43:51,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:43:51,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:43:51" (1/1) ... [2025-01-10 06:43:51,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466d5b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:51, skipping insertion in model container [2025-01-10 06:43:51,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:43:51" (1/1) ... [2025-01-10 06:43:51,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:43:52,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:43:52,302 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:43:52,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:43:52,508 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:43:52,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52 WrapperNode [2025-01-10 06:43:52,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:43:52,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:43:52,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:43:52,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:43:52,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,561 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2025-01-10 06:43:52,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:43:52,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:43:52,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:43:52,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:43:52,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,594 INFO L175 MemorySlicer]: Split 13 memory accesses to 9 slices as follows [5, 1, 1, 1, 1, 1, 1, 1, 1]. 38 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [5, 0, 0, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-01-10 06:43:52,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:43:52,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:43:52,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:43:52,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:43:52,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (1/1) ... [2025-01-10 06:43:52,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:43:52,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:52,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 06:43:52,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 06:43:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2025-01-10 06:43:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2025-01-10 06:43:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:43:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:43:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:43:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:43:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 06:43:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-10 06:43:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-10 06:43:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-10 06:43:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-10 06:43:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-10 06:43:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-10 06:43:52,697 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-10 06:43:52,973 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:43:52,975 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:43:53,316 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:43:53,316 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:43:53,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:43:53,494 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2025-01-10 06:43:53,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:43:53 BoogieIcfgContainer [2025-01-10 06:43:53,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:43:53,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:43:53,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:43:53,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:43:53,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:43:51" (1/3) ... [2025-01-10 06:43:53,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c58583d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:43:53, skipping insertion in model container [2025-01-10 06:43:53,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:52" (2/3) ... [2025-01-10 06:43:53,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c58583d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:43:53, skipping insertion in model container [2025-01-10 06:43:53,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:43:53" (3/3) ... [2025-01-10 06:43:53,503 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr-overflow.i [2025-01-10 06:43:53,516 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:43:53,518 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. [2025-01-10 06:43:53,518 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-10 06:43:53,580 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-10 06:43:53,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 108 transitions, 230 flow [2025-01-10 06:43:53,665 INFO L124 PetriNetUnfolderBase]: 30/106 cut-off events. [2025-01-10 06:43:53,668 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-10 06:43:53,674 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. [2025-01-10 06:43:53,675 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 108 transitions, 230 flow [2025-01-10 06:43:53,679 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 97 transitions, 203 flow [2025-01-10 06:43:53,692 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:43:53,703 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;@6bae27b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:43:53,706 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-01-10 06:43:53,708 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-10 06:43:53,708 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2025-01-10 06:43:53,708 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:43:53,709 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:53,709 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1] [2025-01-10 06:43:53,709 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)] === [2025-01-10 06:43:53,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash 19792, now seen corresponding path program 1 times [2025-01-10 06:43:53,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:53,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553138586] [2025-01-10 06:43:53,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:53,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:53,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 06:43:53,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 06:43:53,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:53,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:54,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:54,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:54,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553138586] [2025-01-10 06:43:54,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553138586] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:54,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:54,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-10 06:43:54,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410888388] [2025-01-10 06:43:54,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:54,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:43:54,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:54,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:43:54,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:43:54,103 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 108 [2025-01-10 06:43:54,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 97 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2025-01-10 06:43:54,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:54,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 108 [2025-01-10 06:43:54,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:54,438 INFO L124 PetriNetUnfolderBase]: 581/1349 cut-off events. [2025-01-10 06:43:54,439 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2025-01-10 06:43:54,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2281 conditions, 1349 events. 581/1349 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 8373 event pairs, 457 based on Foata normal form. 272/1389 useless extension candidates. Maximal degree in co-relation 2191. Up to 889 conditions per place. [2025-01-10 06:43:54,459 INFO L140 encePairwiseOnDemand]: 89/108 looper letters, 31 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2025-01-10 06:43:54,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 66 transitions, 207 flow [2025-01-10 06:43:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:43:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-10 06:43:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 188 transitions. [2025-01-10 06:43:54,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5802469135802469 [2025-01-10 06:43:54,477 INFO L175 Difference]: Start difference. First operand has 77 places, 97 transitions, 203 flow. Second operand 3 states and 188 transitions. [2025-01-10 06:43:54,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 66 transitions, 207 flow [2025-01-10 06:43:54,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 202 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-10 06:43:54,486 INFO L231 Difference]: Finished difference. Result has 68 places, 66 transitions, 140 flow [2025-01-10 06:43:54,488 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} [2025-01-10 06:43:54,494 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, -9 predicate places. [2025-01-10 06:43:54,495 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 66 transitions, 140 flow [2025-01-10 06:43:54,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2025-01-10 06:43:54,495 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:54,495 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-01-10 06:43:54,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:43:54,496 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)] === [2025-01-10 06:43:54,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:54,497 INFO L85 PathProgramCache]: Analyzing trace with hash 614160, now seen corresponding path program 1 times [2025-01-10 06:43:54,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:54,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933033093] [2025-01-10 06:43:54,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:54,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:54,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 06:43:54,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 06:43:54,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:54,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:43:54,537 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 06:43:54,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 06:43:54,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 06:43:54,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:54,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:43:54,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 06:43:54,576 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 06:43:54,577 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-01-10 06:43:54,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-01-10 06:43:54,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-01-10 06:43:54,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-01-10 06:43:54,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-01-10 06:43:54,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-01-10 06:43:54,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-01-10 06:43:54,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-01-10 06:43:54,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-01-10 06:43:54,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-01-10 06:43:54,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:43:54,584 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-10 06:43:54,602 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-10 06:43:54,602 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 06:43:54,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:43:54 BasicIcfg [2025-01-10 06:43:54,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 06:43:54,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:43:54,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:43:54,609 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:43:54,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:43:53" (3/4) ... [2025-01-10 06:43:54,612 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-10 06:43:54,652 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 1. [2025-01-10 06:43:54,684 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 06:43:54,684 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 06:43:54,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:43:54,686 INFO L158 Benchmark]: Toolchain (without parser) took 3034.42ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 80.9MB in the end (delta: 40.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2025-01-10 06:43:54,686 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:43:54,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.79ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 63.2MB in the end (delta: 57.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-10 06:43:54,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.12ms. Allocated memory is still 167.8MB. Free memory was 63.2MB in the beginning and 60.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:43:54,688 INFO L158 Benchmark]: Boogie Preprocessor took 69.20ms. Allocated memory is still 167.8MB. Free memory was 60.6MB in the beginning and 56.6MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:43:54,688 INFO L158 Benchmark]: RCFGBuilder took 862.76ms. Allocated memory is still 167.8MB. Free memory was 56.6MB in the beginning and 94.0MB in the end (delta: -37.4MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2025-01-10 06:43:54,688 INFO L158 Benchmark]: TraceAbstraction took 1112.11ms. Allocated memory is still 167.8MB. Free memory was 93.1MB in the beginning and 85.8MB in the end (delta: 7.3MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2025-01-10 06:43:54,688 INFO L158 Benchmark]: Witness Printer took 75.60ms. Allocated memory is still 167.8MB. Free memory was 85.8MB in the beginning and 80.9MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:43:54,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.79ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 63.2MB in the end (delta: 57.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.12ms. Allocated memory is still 167.8MB. Free memory was 63.2MB in the beginning and 60.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.20ms. Allocated memory is still 167.8MB. Free memory was 60.6MB in the beginning and 56.6MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 862.76ms. Allocated memory is still 167.8MB. Free memory was 56.6MB in the beginning and 94.0MB in the end (delta: -37.4MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1112.11ms. Allocated memory is still 167.8MB. Free memory was 93.1MB in the beginning and 85.8MB in the end (delta: 7.3MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 75.60ms. Allocated memory is still 167.8MB. Free memory was 85.8MB in the beginning and 80.9MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. 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: 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. - 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. - 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: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, 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, 66 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 66 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, 0.0s SatisfiabilityAnalysisTime, 0.1s 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! [2025-01-10 06:43:54,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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)