./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:59:47,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:59:47,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 11:59:47,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:59:47,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:59:47,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:59:47,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:59:47,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:59:47,418 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:59:47,418 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:59:47,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:59:47,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:59:47,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:59:47,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:59:47,418 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:59:47,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:59:47,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:59:47,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:59:47,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:59:47,420 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:59:47,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:59:47,420 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:59:47,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:59:47,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:59:47,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:59:47,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:59:47,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:59:47,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:59:47,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:59:47,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:59:47,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:59:47,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:59:47,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:59:47,421 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:59:47,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:59:47,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:59:47,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:59:47,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:59:47,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:59:47,422 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_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2024-12-02 11:59:47,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:59:47,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:59:47,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:59:47,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:59:47,640 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:59:47,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-12-02 11:59:50,251 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data/95c8af9b5/1a477512676640cf85488b582b9ccf33/FLAG50d0ee432 [2024-12-02 11:59:50,493 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:59:50,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-12-02 11:59:50,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data/95c8af9b5/1a477512676640cf85488b582b9ccf33/FLAG50d0ee432 [2024-12-02 11:59:50,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data/95c8af9b5/1a477512676640cf85488b582b9ccf33 [2024-12-02 11:59:50,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:59:50,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:59:50,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:59:50,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:59:50,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:59:50,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d25dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50, skipping insertion in model container [2024-12-02 11:59:50,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:59:50,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:59:50,822 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:59:50,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:59:50,889 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:59:50,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50 WrapperNode [2024-12-02 11:59:50,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:59:50,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:59:50,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:59:50,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:59:50,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,923 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-12-02 11:59:50,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:59:50,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:59:50,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:59:50,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:59:50,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,947 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-12-02 11:59:50,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,952 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:59:50,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:59:50,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:59:50,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:59:50,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (1/1) ... [2024-12-02 11:59:50,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:59:50,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:59:50,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:59:50,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:59:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 11:59:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:59:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-02 11:59:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-02 11:59:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:59:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:59:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:59:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 11:59:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:59:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:59:51,019 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 11:59:51,122 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:59:51,123 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:59:51,266 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 11:59:51,266 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:59:51,355 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:59:51,355 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:59:51,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:51 BoogieIcfgContainer [2024-12-02 11:59:51,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:59:51,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:59:51,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:59:51,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:59:51,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:59:50" (1/3) ... [2024-12-02 11:59:51,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439ba420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:59:51, skipping insertion in model container [2024-12-02 11:59:51,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:50" (2/3) ... [2024-12-02 11:59:51,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439ba420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:59:51, skipping insertion in model container [2024-12-02 11:59:51,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:51" (3/3) ... [2024-12-02 11:59:51,364 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-12-02 11:59:51,376 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:59:51,377 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_2_neg.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 11:59:51,377 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 11:59:51,408 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-02 11:59:51,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-12-02 11:59:51,460 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-12-02 11:59:51,462 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 11:59:51,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-12-02 11:59:51,465 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-12-02 11:59:51,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-12-02 11:59:51,474 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:59:51,485 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=None, 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;@74815918, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:59:51,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 11:59:51,494 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:59:51,494 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-12-02 11:59:51,494 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:59:51,494 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:59:51,495 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:51,495 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-02 11:59:51,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash 265752604, now seen corresponding path program 1 times [2024-12-02 11:59:51,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:59:51,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605124222] [2024-12-02 11:59:51,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:51,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:59:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:59:51,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:59:51,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605124222] [2024-12-02 11:59:51,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605124222] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:51,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:51,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:59:51,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926220225] [2024-12-02 11:59:51,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:51,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:59:51,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:59:51,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:59:51,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:59:51,812 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-12-02 11:59:51,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-12-02 11:59:51,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:59:51,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-12-02 11:59:51,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:59:51,972 INFO L124 PetriNetUnfolderBase]: 66/180 cut-off events. [2024-12-02 11:59:51,972 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 11:59:51,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 180 events. 66/180 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 664 event pairs, 28 based on Foata normal form. 14/185 useless extension candidates. Maximal degree in co-relation 324. Up to 73 conditions per place. [2024-12-02 11:59:51,975 INFO L140 encePairwiseOnDemand]: 24/33 looper letters, 27 selfloop transitions, 10 changer transitions 0/46 dead transitions. [2024-12-02 11:59:51,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 172 flow [2024-12-02 11:59:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:59:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 11:59:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 93 transitions. [2024-12-02 11:59:51,986 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5636363636363636 [2024-12-02 11:59:51,988 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 68 flow. Second operand 5 states and 93 transitions. [2024-12-02 11:59:51,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 172 flow [2024-12-02 11:59:51,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:59:51,995 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 120 flow [2024-12-02 11:59:51,997 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=120, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2024-12-02 11:59:51,999 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places. [2024-12-02 11:59:51,999 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 120 flow [2024-12-02 11:59:52,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-12-02 11:59:52,000 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:59:52,000 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:52,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:59:52,000 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-02 11:59:52,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:52,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1927424757, now seen corresponding path program 1 times [2024-12-02 11:59:52,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:59:52,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308494950] [2024-12-02 11:59:52,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:52,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:59:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:59:52,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:59:52,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308494950] [2024-12-02 11:59:52,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308494950] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:52,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:52,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:59:52,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312410796] [2024-12-02 11:59:52,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:52,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:59:52,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:59:52,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:59:52,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:59:52,120 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33 [2024-12-02 11:59:52,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-12-02 11:59:52,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:59:52,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33 [2024-12-02 11:59:52,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:59:52,195 INFO L124 PetriNetUnfolderBase]: 26/102 cut-off events. [2024-12-02 11:59:52,195 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-12-02 11:59:52,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 102 events. 26/102 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 296 event pairs, 9 based on Foata normal form. 11/109 useless extension candidates. Maximal degree in co-relation 230. Up to 43 conditions per place. [2024-12-02 11:59:52,196 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 20 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2024-12-02 11:59:52,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 38 transitions, 178 flow [2024-12-02 11:59:52,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:59:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:59:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2024-12-02 11:59:52,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6161616161616161 [2024-12-02 11:59:52,198 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 120 flow. Second operand 3 states and 61 transitions. [2024-12-02 11:59:52,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 38 transitions, 178 flow [2024-12-02 11:59:52,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 38 transitions, 172 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-12-02 11:59:52,200 INFO L231 Difference]: Finished difference. Result has 40 places, 33 transitions, 125 flow [2024-12-02 11:59:52,201 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2024-12-02 11:59:52,201 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places. [2024-12-02 11:59:52,201 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 125 flow [2024-12-02 11:59:52,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-12-02 11:59:52,202 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:59:52,202 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:52,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:59:52,202 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-02 11:59:52,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:52,203 INFO L85 PathProgramCache]: Analyzing trace with hash 613987135, now seen corresponding path program 1 times [2024-12-02 11:59:52,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:59:52,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999109083] [2024-12-02 11:59:52,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:59:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:59:52,226 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:59:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:59:52,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:59:52,257 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:59:52,257 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-12-02 11:59:52,259 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-12-02 11:59:52,259 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-12-02 11:59:52,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:59:52,260 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 11:59:52,280 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 11:59:52,280 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:59:52,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:59:52 BasicIcfg [2024-12-02 11:59:52,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:59:52,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:59:52,286 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:59:52,286 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:59:52,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:51" (3/4) ... [2024-12-02 11:59:52,288 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:59:52,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:59:52,290 INFO L158 Benchmark]: Toolchain (without parser) took 1766.33ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 64.9MB in the end (delta: 50.9MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-12-02 11:59:52,290 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:59:52,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.93ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 96.5MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:59:52,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.95ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:59:52,291 INFO L158 Benchmark]: Boogie Preprocessor took 35.49ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:59:52,291 INFO L158 Benchmark]: RCFGBuilder took 396.17ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 70.2MB in the end (delta: 22.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:59:52,291 INFO L158 Benchmark]: TraceAbstraction took 927.23ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 64.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:59:52,291 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 142.6MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:59:52,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.93ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 96.5MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.95ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.49ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.17ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 70.2MB in the end (delta: 22.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 927.23ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 64.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 142.6MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L687] 1 glob1 = 5 VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_2_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: 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 3 procedures, 47 locations, 3 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: unable to determine feasibility of some traces [2024-12-02 11:59:52,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:59:54,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:59:54,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-12-02 11:59:54,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:59:54,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:59:54,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:59:54,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:59:54,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:59:54,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:59:54,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:59:54,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:59:54,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:59:54,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:59:54,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:59:54,340 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:59:54,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:59:54,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:59:54,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:59:54,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:59:54,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:59:54,341 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 11:59:54,341 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 11:59:54,341 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 11:59:54,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:59:54,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:59:54,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:59:54,342 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:59:54,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:59:54,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:59:54,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:59:54,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:59:54,342 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:59:54,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:59:54,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:59:54,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:59:54,343 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:59:54,344 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:59:54,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:59:54,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:59:54,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:59:54,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:59:54,344 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_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2024-12-02 11:59:54,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:59:54,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:59:54,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:59:54,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:59:54,590 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:59:54,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-12-02 11:59:57,371 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data/1e3ef6843/d2f1ddf40ce948ac9bf9328aec117a3e/FLAGce9ab9786 [2024-12-02 11:59:57,605 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:59:57,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-12-02 11:59:57,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data/1e3ef6843/d2f1ddf40ce948ac9bf9328aec117a3e/FLAGce9ab9786 [2024-12-02 11:59:57,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/data/1e3ef6843/d2f1ddf40ce948ac9bf9328aec117a3e [2024-12-02 11:59:57,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:59:57,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:59:57,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:59:57,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:59:57,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:59:57,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:57" (1/1) ... [2024-12-02 11:59:57,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41cea2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:57, skipping insertion in model container [2024-12-02 11:59:57,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:57" (1/1) ... [2024-12-02 11:59:57,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:59:57,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:59:57,935 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:59:57,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:59:58,007 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:59:58,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58 WrapperNode [2024-12-02 11:59:58,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:59:58,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:59:58,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:59:58,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:59:58,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,042 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-12-02 11:59:58,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:59:58,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:59:58,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:59:58,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:59:58,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,067 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-12-02 11:59:58,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:59:58,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:59:58,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:59:58,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:59:58,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (1/1) ... [2024-12-02 11:59:58,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:59:58,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:59:58,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:59:58,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:59:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 11:59:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:59:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-02 11:59:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-02 11:59:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:59:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 11:59:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 11:59:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 11:59:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 11:59:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 11:59:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 11:59:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:59:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:59:58,142 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 11:59:58,273 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:59:58,274 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:59:58,447 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 11:59:58,447 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:59:58,587 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:59:58,588 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:59:58,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:58 BoogieIcfgContainer [2024-12-02 11:59:58,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:59:58,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:59:58,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:59:58,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:59:58,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:59:57" (1/3) ... [2024-12-02 11:59:58,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e32d852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:59:58, skipping insertion in model container [2024-12-02 11:59:58,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:58" (2/3) ... [2024-12-02 11:59:58,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e32d852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:59:58, skipping insertion in model container [2024-12-02 11:59:58,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:58" (3/3) ... [2024-12-02 11:59:58,597 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-12-02 11:59:58,608 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:59:58,609 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_2_neg.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 11:59:58,609 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 11:59:58,651 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-02 11:59:58,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-12-02 11:59:58,708 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-12-02 11:59:58,710 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 11:59:58,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-12-02 11:59:58,713 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-12-02 11:59:58,717 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-12-02 11:59:58,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:59:58,736 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=None, 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;@1cece5c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:59:58,736 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 11:59:58,744 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:59:58,744 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-12-02 11:59:58,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:59:58,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:59:58,745 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:58,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-02 11:59:58,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:58,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1290580252, now seen corresponding path program 1 times [2024-12-02 11:59:58,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:58,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703678446] [2024-12-02 11:59:58,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:58,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:58,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:59:58,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:59:58,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:59:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:58,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:59:58,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:59:58,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:58,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:58,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703678446] [2024-12-02 11:59:58,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703678446] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:58,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:58,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:59:58,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914085310] [2024-12-02 11:59:58,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:58,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:59:58,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:58,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:59:58,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:59:58,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33 [2024-12-02 11:59:58,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-12-02 11:59:58,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:59:58,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33 [2024-12-02 11:59:58,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:59:59,118 INFO L124 PetriNetUnfolderBase]: 57/170 cut-off events. [2024-12-02 11:59:59,118 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 11:59:59,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 170 events. 57/170 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 647 event pairs, 28 based on Foata normal form. 24/192 useless extension candidates. Maximal degree in co-relation 295. Up to 77 conditions per place. [2024-12-02 11:59:59,121 INFO L140 encePairwiseOnDemand]: 25/33 looper letters, 27 selfloop transitions, 8 changer transitions 0/45 dead transitions. [2024-12-02 11:59:59,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 45 transitions, 166 flow [2024-12-02 11:59:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:59:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 11:59:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 96 transitions. [2024-12-02 11:59:59,133 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5818181818181818 [2024-12-02 11:59:59,134 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 68 flow. Second operand 5 states and 96 transitions. [2024-12-02 11:59:59,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 45 transitions, 166 flow [2024-12-02 11:59:59,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 45 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:59:59,142 INFO L231 Difference]: Finished difference. Result has 37 places, 33 transitions, 106 flow [2024-12-02 11:59:59,144 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=106, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2024-12-02 11:59:59,148 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2024-12-02 11:59:59,148 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 106 flow [2024-12-02 11:59:59,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-12-02 11:59:59,149 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:59:59,149 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:59,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:59:59,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:59,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-02 11:59:59,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:59,350 INFO L85 PathProgramCache]: Analyzing trace with hash -243141747, now seen corresponding path program 1 times [2024-12-02 11:59:59,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:59,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127639926] [2024-12-02 11:59:59,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:59,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:59,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:59:59,353 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:59:59,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:59:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:59:59,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:59:59,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:59:59,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-12-02 11:59:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:59:59,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:59:59,460 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:59:59,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127639926] [2024-12-02 11:59:59,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127639926] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:59:59,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:59:59,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:59:59,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593167105] [2024-12-02 11:59:59,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:59:59,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:59:59,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:59:59,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:59:59,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:59:59,462 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33 [2024-12-02 11:59:59,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-12-02 11:59:59,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:59:59,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33 [2024-12-02 11:59:59,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:59:59,563 INFO L124 PetriNetUnfolderBase]: 26/102 cut-off events. [2024-12-02 11:59:59,563 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-12-02 11:59:59,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 102 events. 26/102 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 294 event pairs, 9 based on Foata normal form. 11/109 useless extension candidates. Maximal degree in co-relation 217. Up to 43 conditions per place. [2024-12-02 11:59:59,565 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 20 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2024-12-02 11:59:59,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 37 transitions, 165 flow [2024-12-02 11:59:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:59:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:59:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2024-12-02 11:59:59,566 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6161616161616161 [2024-12-02 11:59:59,566 INFO L175 Difference]: Start difference. First operand has 37 places, 33 transitions, 106 flow. Second operand 3 states and 61 transitions. [2024-12-02 11:59:59,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 37 transitions, 165 flow [2024-12-02 11:59:59,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 158 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-12-02 11:59:59,569 INFO L231 Difference]: Finished difference. Result has 37 places, 32 transitions, 111 flow [2024-12-02 11:59:59,569 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2024-12-02 11:59:59,570 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2024-12-02 11:59:59,570 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 111 flow [2024-12-02 11:59:59,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-12-02 11:59:59,570 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:59:59,570 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:59:59,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:59:59,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:59,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-02 11:59:59,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:59:59,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1287152895, now seen corresponding path program 1 times [2024-12-02 11:59:59,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:59:59,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1923683637] [2024-12-02 11:59:59,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:59:59,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:59:59,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:59:59,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:59:59,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:59:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:59:59,843 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:59:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:59:59,879 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 11:59:59,879 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:59:59,880 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-12-02 11:59:59,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-12-02 11:59:59,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-12-02 11:59:59,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:00:00,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:00:00,082 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 12:00:00,102 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:00:00,102 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:00:00,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:00:00 BasicIcfg [2024-12-02 12:00:00,107 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:00:00,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:00:00,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:00:00,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:00:00,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:58" (3/4) ... [2024-12-02 12:00:00,109 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:00:00,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:00:00,110 INFO L158 Benchmark]: Toolchain (without parser) took 2471.20ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 53.4MB in the end (delta: 15.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-12-02 12:00:00,111 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:00:00,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.37ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 48.5MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:00:00,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.07ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:00:00,111 INFO L158 Benchmark]: Boogie Preprocessor took 37.70ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 45.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:00:00,112 INFO L158 Benchmark]: RCFGBuilder took 506.95ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 38.1MB in the end (delta: 6.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-12-02 12:00:00,112 INFO L158 Benchmark]: TraceAbstraction took 1516.99ms. Allocated memory is still 92.3MB. Free memory was 37.8MB in the beginning and 53.5MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:00:00,112 INFO L158 Benchmark]: Witness Printer took 2.83ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 15.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:00:00,113 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.37ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 48.5MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.07ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.70ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 45.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 506.95ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 38.1MB in the end (delta: 6.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1516.99ms. Allocated memory is still 92.3MB. Free memory was 37.8MB in the beginning and 53.5MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.83ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 15.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 glob1 = 5 VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_2_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: 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 3 procedures, 47 locations, 3 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: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 2 NumberOfNonLiveVariables, 112 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:00:00,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bceb73-9be2-4e79-8323-40dd06b13405/bin/uautomizer-verify-84ZbGMXZE1/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 Result: UNKNOWN: Overapproximated counterexample