./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.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_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB --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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:59:24,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:59:24,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 03:59:24,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:59:24,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:59:24,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:59:24,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:59:24,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:59:24,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:59:24,996 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:59:24,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:59:24,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:59:24,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:59:24,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:59:24,997 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:59:24,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:59:24,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:59:24,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:59:24,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:59:24,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:59:24,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:59:24,999 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:59:24,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:59:24,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:59:25,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:59:25,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:59:25,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:59:25,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:59:25,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:59:25,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:59:25,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:59:25,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:59:25,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:59:25,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:59:25,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:59:25,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:59:25,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:59:25,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:59:25,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:59:25,002 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_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2024-11-28 03:59:25,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:59:25,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:59:25,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:59:25,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:59:25,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:59:25,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-28 03:59:28,447 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data/02a02e9f3/4913359d64f44fea99b9472e5c13cdda/FLAG55c793a4c [2024-11-28 03:59:28,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:59:28,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-28 03:59:28,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data/02a02e9f3/4913359d64f44fea99b9472e5c13cdda/FLAG55c793a4c [2024-11-28 03:59:28,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data/02a02e9f3/4913359d64f44fea99b9472e5c13cdda [2024-11-28 03:59:28,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:59:28,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:59:28,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:59:28,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:59:28,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:59:28,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:59:28" (1/1) ... [2024-11-28 03:59:28,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8f43a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:28, skipping insertion in model container [2024-11-28 03:59:28,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:59:28" (1/1) ... [2024-11-28 03:59:28,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:59:29,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:59:29,226 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:59:29,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:59:29,326 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:59:29,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29 WrapperNode [2024-11-28 03:59:29,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:59:29,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:59:29,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:59:29,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:59:29,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,373 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-28 03:59:29,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:59:29,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:59:29,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:59:29,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:59:29,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,403 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-28 03:59:29,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,409 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:59:29,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:59:29,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:59:29,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:59:29,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (1/1) ... [2024-11-28 03:59:29,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:59:29,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:29,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:59:29,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:59:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:59:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:59:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 03:59:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 03:59:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:59:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:59:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:59:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:59:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:59:29,518 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:59:29,706 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:59:29,708 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:59:29,966 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:59:29,966 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:59:30,128 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:59:30,129 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:59:30,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:59:30 BoogieIcfgContainer [2024-11-28 03:59:30,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:59:30,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:59:30,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:59:30,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:59:30,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:59:28" (1/3) ... [2024-11-28 03:59:30,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2dcc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:59:30, skipping insertion in model container [2024-11-28 03:59:30,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:29" (2/3) ... [2024-11-28 03:59:30,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2dcc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:59:30, skipping insertion in model container [2024-11-28 03:59:30,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:59:30" (3/3) ... [2024-11-28 03:59:30,140 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2024-11-28 03:59:30,156 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:59:30,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_18-first-reads_unknown_2_pos.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:59:30,158 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:59:30,207 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 03:59:30,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-28 03:59:30,289 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-28 03:59:30,296 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:59:30,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2024-11-28 03:59:30,303 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-28 03:59:30,309 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-28 03:59:30,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:59:30,349 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;@2a79c138, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:59:30,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 03:59:30,360 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:59:30,361 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-28 03:59:30,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:59:30,361 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:59:30,362 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:30,362 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-28 03:59:30,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-28 03:59:30,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:30,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224767508] [2024-11-28 03:59:30,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:30,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:59:30,566 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:59:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:59:30,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:59:30,623 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:59:30,624 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-28 03:59:30,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-28 03:59:30,628 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-28 03:59:30,630 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-28 03:59:30,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:59:30,632 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:59:30,665 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:59:30,665 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:59:30,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:59:30 BasicIcfg [2024-11-28 03:59:30,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:59:30,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:59:30,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:59:30,675 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:59:30,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:59:30" (3/4) ... [2024-11-28 03:59:30,684 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:59:30,685 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:59:30,686 INFO L158 Benchmark]: Toolchain (without parser) took 1860.57ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 82.6MB in the end (delta: 8.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-28 03:59:30,687 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:30,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.91ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.3MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:59:30,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.55ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:59:30,688 INFO L158 Benchmark]: Boogie Preprocessor took 45.28ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:30,689 INFO L158 Benchmark]: RCFGBuilder took 707.20ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 49.9MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:59:30,689 INFO L158 Benchmark]: TraceAbstraction took 542.63ms. Allocated memory is still 117.4MB. Free memory was 49.4MB in the beginning and 82.6MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:30,690 INFO L158 Benchmark]: Witness Printer took 9.92ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:30,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.91ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.3MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.55ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.28ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 707.20ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 49.9MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 542.63ms. Allocated memory is still 117.4MB. Free memory was 49.4MB in the beginning and 82.6MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.92ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 21.1kB). 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id=-1, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=0, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_2_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, mutex1={3:0}] - UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 698]: 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, 37 locations, 4 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-28 03:59:30,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/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_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB --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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:59:33,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:59:34,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 03:59:34,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:59:34,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:59:34,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:59:34,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:59:34,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:59:34,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:59:34,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:59:34,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:59:34,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:59:34,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:59:34,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:59:34,065 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:59:34,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:59:34,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:59:34,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:59:34,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:59:34,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:59:34,067 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:59:34,067 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:59:34,067 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:59:34,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:59:34,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:59:34,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:59:34,068 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:59:34,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:59:34,068 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:59:34,068 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:59:34,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:59:34,068 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:59:34,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:59:34,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:59:34,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:59:34,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:59:34,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:59:34,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:59:34,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:59:34,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:59:34,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:59:34,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:59:34,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:59:34,070 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:59:34,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:59:34,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:59:34,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:59:34,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:59:34,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:59:34,070 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_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2024-11-28 03:59:34,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:59:34,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:59:34,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:59:34,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:59:34,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:59:34,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-28 03:59:37,746 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data/8a87916bc/70b92cded22946858fcb02443c983a2d/FLAGb96d90808 [2024-11-28 03:59:38,182 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:59:38,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-28 03:59:38,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data/8a87916bc/70b92cded22946858fcb02443c983a2d/FLAGb96d90808 [2024-11-28 03:59:38,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/data/8a87916bc/70b92cded22946858fcb02443c983a2d [2024-11-28 03:59:38,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:59:38,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:59:38,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:59:38,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:59:38,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:59:38,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e651e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38, skipping insertion in model container [2024-11-28 03:59:38,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:59:38,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:59:38,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:59:38,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:59:38,883 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:59:38,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38 WrapperNode [2024-11-28 03:59:38,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:59:38,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:59:38,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:59:38,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:59:38,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,943 INFO L138 Inliner]: procedures = 167, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-28 03:59:38,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:59:38,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:59:38,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:59:38,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:59:38,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,972 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-28 03:59:38,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,981 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:38,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:59:38,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:59:38,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:59:38,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:59:38,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (1/1) ... [2024-11-28 03:59:39,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:59:39,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:39,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:59:39,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:59:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:59:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:59:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 03:59:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 03:59:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:59:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:59:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 03:59:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 03:59:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:59:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:59:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:59:39,079 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:59:39,307 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:59:39,309 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:59:39,571 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:59:39,571 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:59:39,787 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:59:39,787 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:59:39,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:59:39 BoogieIcfgContainer [2024-11-28 03:59:39,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:59:39,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:59:39,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:59:39,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:59:39,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:59:38" (1/3) ... [2024-11-28 03:59:39,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2250efa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:59:39, skipping insertion in model container [2024-11-28 03:59:39,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:38" (2/3) ... [2024-11-28 03:59:39,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2250efa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:59:39, skipping insertion in model container [2024-11-28 03:59:39,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:59:39" (3/3) ... [2024-11-28 03:59:39,805 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2024-11-28 03:59:39,822 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:59:39,824 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_18-first-reads_unknown_2_pos.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:59:39,824 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:59:39,887 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 03:59:39,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-28 03:59:39,955 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-28 03:59:39,958 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:59:39,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2024-11-28 03:59:39,961 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-28 03:59:39,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-28 03:59:39,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:59:39,988 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;@7da82463, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:59:39,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 03:59:40,015 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:59:40,015 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-28 03:59:40,015 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:59:40,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:59:40,016 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:40,017 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-28 03:59:40,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:40,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-28 03:59:40,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:59:40,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416270866] [2024-11-28 03:59:40,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:40,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:40,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:40,046 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:40,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:59:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:59:40,164 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:59:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:59:40,212 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 03:59:40,214 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:59:40,216 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-28 03:59:40,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-28 03:59:40,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-28 03:59:40,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-28 03:59:40,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:59:40,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:40,421 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:59:40,443 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:59:40,443 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:59:40,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:59:40 BasicIcfg [2024-11-28 03:59:40,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:59:40,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:59:40,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:59:40,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:59:40,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:59:39" (3/4) ... [2024-11-28 03:59:40,453 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:59:40,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:59:40,455 INFO L158 Benchmark]: Toolchain (without parser) took 2209.83ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.3MB in the end (delta: 12.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-28 03:59:40,456 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:40,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.81ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 40.2MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:59:40,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.72ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 38.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:59:40,457 INFO L158 Benchmark]: Boogie Preprocessor took 46.08ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 36.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:40,458 INFO L158 Benchmark]: RCFGBuilder took 800.05ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 38.2MB in the end (delta: -1.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-28 03:59:40,458 INFO L158 Benchmark]: TraceAbstraction took 654.51ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 48.8MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:40,458 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:40,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.81ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 40.2MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.72ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 38.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.08ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 36.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 800.05ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 38.2MB in the end (delta: -1.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * TraceAbstraction took 654.51ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 48.8MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id=0, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=0, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_2_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, mutex1={3:0}] - UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 698]: 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, 37 locations, 4 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-28 03:59:40,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5331d4-a5b5-4632-9dc0-25f6c92402c8/bin/uautomizer-verify-aQ6SnzHsRB/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