./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.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_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:52:33,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:52:33,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 08:52:33,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:52:33,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:52:33,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:52:33,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:52:33,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:52:33,779 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:52:33,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:52:33,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:52:33,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:52:33,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:52:33,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:52:33,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:52:33,780 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:52:33,781 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:52:33,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:52:33,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:52:33,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:52:33,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:52:33,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:52:33,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:52:33,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:52:33,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:52:33,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:52:33,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:52:33,782 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_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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 -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2024-12-02 08:52:33,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:52:33,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:52:33,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:52:33,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:52:33,989 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:52:33,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-12-02 08:52:36,703 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data/55336c422/93ac68943ef94943bc16b302aad3a7f7/FLAG14013f29c [2024-12-02 08:52:36,949 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:52:36,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-12-02 08:52:36,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data/55336c422/93ac68943ef94943bc16b302aad3a7f7/FLAG14013f29c [2024-12-02 08:52:37,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data/55336c422/93ac68943ef94943bc16b302aad3a7f7 [2024-12-02 08:52:37,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:52:37,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:52:37,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:52:37,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:52:37,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:52:37,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a09987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37, skipping insertion in model container [2024-12-02 08:52:37,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:52:37,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:52:37,701 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:52:37,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:52:37,821 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:52:37,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37 WrapperNode [2024-12-02 08:52:37,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:52:37,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:52:37,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:52:37,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:52:37,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,865 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2024-12-02 08:52:37,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:52:37,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:52:37,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:52:37,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:52:37,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,892 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]. [2024-12-02 08:52:37,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,903 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:52:37,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:52:37,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:52:37,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:52:37,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (1/1) ... [2024-12-02 08:52:37,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:52:37,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:52:37,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:52:37,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:52:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-12-02 08:52:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-12-02 08:52:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-12-02 08:52:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-12-02 08:52:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 08:52:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 08:52:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:52:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:52:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:52:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:52:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:52:37,973 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 08:52:38,194 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:52:38,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:52:38,410 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 08:52:38,410 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:52:38,995 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:52:38,995 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:52:38,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:52:38 BoogieIcfgContainer [2024-12-02 08:52:38,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:52:38,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:52:38,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:52:39,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:52:39,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:52:37" (1/3) ... [2024-12-02 08:52:39,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9152754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:52:39, skipping insertion in model container [2024-12-02 08:52:39,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:37" (2/3) ... [2024-12-02 08:52:39,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9152754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:52:39, skipping insertion in model container [2024-12-02 08:52:39,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:52:38" (3/3) ... [2024-12-02 08:52:39,005 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-12-02 08:52:39,021 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:52:39,022 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_true.i that has 3 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 08:52:39,022 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 08:52:39,074 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 08:52:39,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-12-02 08:52:39,168 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-12-02 08:52:39,170 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 08:52:39,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 2/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-12-02 08:52:39,173 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-12-02 08:52:39,176 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 30 transitions, 72 flow [2024-12-02 08:52:39,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:52:39,192 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;@782e9900, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:52:39,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-02 08:52:39,205 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 08:52:39,205 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-12-02 08:52:39,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 08:52:39,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:52:39,205 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:39,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 08:52:39,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:39,210 INFO L85 PathProgramCache]: Analyzing trace with hash -784411863, now seen corresponding path program 1 times [2024-12-02 08:52:39,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:52:39,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311665814] [2024-12-02 08:52:39,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:39,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:52:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:39,910 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 08:52:39,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:52:39,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311665814] [2024-12-02 08:52:39,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311665814] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:52:39,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:52:39,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:52:39,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341391079] [2024-12-02 08:52:39,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:39,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:52:39,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:52:39,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:52:39,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:52:39,954 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 33 [2024-12-02 08:52:39,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 08:52:39,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:52:39,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 33 [2024-12-02 08:52:39,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:52:40,177 INFO L124 PetriNetUnfolderBase]: 192/378 cut-off events. [2024-12-02 08:52:40,177 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-12-02 08:52:40,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 378 events. 192/378 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1544 event pairs, 91 based on Foata normal form. 12/382 useless extension candidates. Maximal degree in co-relation 733. Up to 207 conditions per place. [2024-12-02 08:52:40,182 INFO L140 encePairwiseOnDemand]: 25/33 looper letters, 37 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2024-12-02 08:52:40,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 50 transitions, 206 flow [2024-12-02 08:52:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:52:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 08:52:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 88 transitions. [2024-12-02 08:52:40,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-12-02 08:52:40,194 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 72 flow. Second operand 5 states and 88 transitions. [2024-12-02 08:52:40,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 50 transitions, 206 flow [2024-12-02 08:52:40,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 50 transitions, 194 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 08:52:40,201 INFO L231 Difference]: Finished difference. Result has 38 places, 32 transitions, 106 flow [2024-12-02 08:52:40,203 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=106, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2024-12-02 08:52:40,205 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 3 predicate places. [2024-12-02 08:52:40,205 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 106 flow [2024-12-02 08:52:40,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 08:52:40,206 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:52:40,206 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:40,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:52:40,206 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 08:52:40,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:40,207 INFO L85 PathProgramCache]: Analyzing trace with hash -277894781, now seen corresponding path program 1 times [2024-12-02 08:52:40,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:52:40,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748592557] [2024-12-02 08:52:40,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:52:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:40,608 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 08:52:40,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:52:40,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748592557] [2024-12-02 08:52:40,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748592557] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:52:40,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:52:40,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:52:40,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303309191] [2024-12-02 08:52:40,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:40,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:52:40,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:52:40,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:52:40,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:52:40,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 33 [2024-12-02 08:52:40,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 08:52:40,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:52:40,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 33 [2024-12-02 08:52:40,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:52:40,805 INFO L124 PetriNetUnfolderBase]: 107/243 cut-off events. [2024-12-02 08:52:40,805 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-12-02 08:52:40,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 243 events. 107/243 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 875 event pairs, 24 based on Foata normal form. 20/261 useless extension candidates. Maximal degree in co-relation 507. Up to 87 conditions per place. [2024-12-02 08:52:40,808 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 33 selfloop transitions, 14 changer transitions 0/53 dead transitions. [2024-12-02 08:52:40,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 243 flow [2024-12-02 08:52:40,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:52:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-12-02 08:52:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2024-12-02 08:52:40,810 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47186147186147187 [2024-12-02 08:52:40,810 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 106 flow. Second operand 7 states and 109 transitions. [2024-12-02 08:52:40,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 243 flow [2024-12-02 08:52:40,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 53 transitions, 239 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-12-02 08:52:40,813 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 128 flow [2024-12-02 08:52:40,813 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=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=128, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2024-12-02 08:52:40,814 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 8 predicate places. [2024-12-02 08:52:40,814 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 128 flow [2024-12-02 08:52:40,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 08:52:40,815 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:52:40,815 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:40,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:52:40,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 08:52:40,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:40,816 INFO L85 PathProgramCache]: Analyzing trace with hash -515357931, now seen corresponding path program 1 times [2024-12-02 08:52:40,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:52:40,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003844302] [2024-12-02 08:52:40,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:40,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:52:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:52:40,931 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:52:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:52:40,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:52:40,974 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:52:40,975 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-12-02 08:52:40,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-12-02 08:52:40,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-12-02 08:52:40,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-12-02 08:52:40,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-12-02 08:52:40,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:52:40,977 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 08:52:41,007 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 08:52:41,007 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:52:41,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:52:41 BasicIcfg [2024-12-02 08:52:41,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:52:41,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:52:41,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:52:41,012 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:52:41,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:52:38" (3/4) ... [2024-12-02 08:52:41,014 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:52:41,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:52:41,015 INFO L158 Benchmark]: Toolchain (without parser) took 3762.43ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 115.2MB in the beginning and 127.5MB in the end (delta: -12.3MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2024-12-02 08:52:41,015 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:52:41,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.05ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 77.5MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 08:52:41,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.36ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 74.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:52:41,016 INFO L158 Benchmark]: Boogie Preprocessor took 49.65ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 71.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:52:41,016 INFO L158 Benchmark]: RCFGBuilder took 1079.97ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 99.5MB in the end (delta: -28.2MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-12-02 08:52:41,017 INFO L158 Benchmark]: TraceAbstraction took 2013.35ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 98.5MB in the beginning and 127.5MB in the end (delta: -29.0MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-12-02 08:52:41,017 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 243.3MB. Free memory was 127.5MB in the beginning and 127.5MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:52:41,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.05ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 77.5MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.36ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 74.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.65ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 71.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1079.97ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 99.5MB in the end (delta: -28.2MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2013.35ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 98.5MB in the beginning and 127.5MB in the end (delta: -29.0MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 243.3MB. Free memory was 127.5MB in the beginning and 127.5MB in the end (delta: 31.3kB). 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: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1200, \old(argv)={1182:1184}, argc=1200, g=0, mut={3:0}, t1=-2] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1200, \old(argv)={1182:1184}, \old(ptr)={0:0}, argc=1200, g=0, mut={3:0}, t1=-2, t2=-1] [L1356] 1 g = 1 VAL [\old(ptr)={0:0}, \old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L1366] 2 g = 0 VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] [L18] 1 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_true.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1371]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 55 locations, 5 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: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 0.5s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 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 08:52:41,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:52:42,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:52:43,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-12-02 08:52:43,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:52:43,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:52:43,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:52:43,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:52:43,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:52:43,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:52:43,101 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:52:43,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:52:43,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:52:43,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:52:43,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:52:43,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 08:52:43,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:52:43,103 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:52:43,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:52:43,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:52:43,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:52:43,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:52:43,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:52:43,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:52:43,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:52:43,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:52:43,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:52:43,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:52:43,105 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:52:43,105 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:52:43,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:52:43,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:52:43,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:52:43,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:52:43,105 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_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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 -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2024-12-02 08:52:43,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:52:43,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:52:43,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:52:43,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:52:43,348 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:52:43,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-12-02 08:52:46,015 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data/f2e679a3e/ab69d8274ce04a5a87680af98f5b48e2/FLAG4781ed733 [2024-12-02 08:52:46,274 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:52:46,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-12-02 08:52:46,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data/f2e679a3e/ab69d8274ce04a5a87680af98f5b48e2/FLAG4781ed733 [2024-12-02 08:52:46,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/data/f2e679a3e/ab69d8274ce04a5a87680af98f5b48e2 [2024-12-02 08:52:46,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:52:46,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:52:46,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:52:46,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:52:46,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:52:46,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:46" (1/1) ... [2024-12-02 08:52:46,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d9119b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:46, skipping insertion in model container [2024-12-02 08:52:46,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:46" (1/1) ... [2024-12-02 08:52:46,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:52:47,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:52:47,032 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:52:47,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:52:47,192 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:52:47,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47 WrapperNode [2024-12-02 08:52:47,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:52:47,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:52:47,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:52:47,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:52:47,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,241 INFO L138 Inliner]: procedures = 358, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 170 [2024-12-02 08:52:47,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:52:47,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:52:47,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:52:47,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:52:47,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,273 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]. [2024-12-02 08:52:47,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:52:47,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:52:47,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:52:47,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:52:47,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (1/1) ... [2024-12-02 08:52:47,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:52:47,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:52:47,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:52:47,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:52:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-12-02 08:52:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-12-02 08:52:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-12-02 08:52:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-12-02 08:52:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:52:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 08:52:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 08:52:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 08:52:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 08:52:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 08:52:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:52:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:52:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:52:47,364 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 08:52:47,622 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:52:47,624 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:52:47,876 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 08:52:47,876 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:52:48,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:52:48,582 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:52:48,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:52:48 BoogieIcfgContainer [2024-12-02 08:52:48,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:52:48,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:52:48,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:52:48,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:52:48,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:52:46" (1/3) ... [2024-12-02 08:52:48,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebd8918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:52:48, skipping insertion in model container [2024-12-02 08:52:48,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:47" (2/3) ... [2024-12-02 08:52:48,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebd8918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:52:48, skipping insertion in model container [2024-12-02 08:52:48,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:52:48" (3/3) ... [2024-12-02 08:52:48,593 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-12-02 08:52:48,609 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:52:48,611 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_true.i that has 3 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 08:52:48,611 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 08:52:48,661 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 08:52:48,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-12-02 08:52:48,738 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-12-02 08:52:48,740 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 08:52:48,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 2/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-12-02 08:52:48,743 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-12-02 08:52:48,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 30 transitions, 72 flow [2024-12-02 08:52:48,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:52:48,765 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;@24f8d362, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:52:48,765 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-02 08:52:48,781 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 08:52:48,781 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-12-02 08:52:48,781 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 08:52:48,781 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:52:48,782 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:48,782 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 08:52:48,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:48,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1228511723, now seen corresponding path program 1 times [2024-12-02 08:52:48,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:48,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [729991630] [2024-12-02 08:52:48,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:48,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:52:48,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:52:48,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:52:48,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:52:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:49,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:52:49,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:49,291 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 08:52:49,291 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:52:49,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:49,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729991630] [2024-12-02 08:52:49,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729991630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:52:49,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:52:49,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:52:49,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214249268] [2024-12-02 08:52:49,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:49,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:52:49,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:49,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:52:49,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:52:49,333 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 33 [2024-12-02 08:52:49,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 08:52:49,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:52:49,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 33 [2024-12-02 08:52:49,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:52:49,658 INFO L124 PetriNetUnfolderBase]: 170/356 cut-off events. [2024-12-02 08:52:49,659 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-12-02 08:52:49,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 356 events. 170/356 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1533 event pairs, 91 based on Foata normal form. 30/384 useless extension candidates. Maximal degree in co-relation 669. Up to 213 conditions per place. [2024-12-02 08:52:49,664 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 36 selfloop transitions, 6 changer transitions 0/49 dead transitions. [2024-12-02 08:52:49,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 49 transitions, 200 flow [2024-12-02 08:52:49,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:52:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 08:52:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 91 transitions. [2024-12-02 08:52:49,674 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5515151515151515 [2024-12-02 08:52:49,675 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 72 flow. Second operand 5 states and 91 transitions. [2024-12-02 08:52:49,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 49 transitions, 200 flow [2024-12-02 08:52:49,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 49 transitions, 188 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 08:52:49,682 INFO L231 Difference]: Finished difference. Result has 37 places, 32 transitions, 98 flow [2024-12-02 08:52:49,684 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=98, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2024-12-02 08:52:49,686 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 2 predicate places. [2024-12-02 08:52:49,686 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 98 flow [2024-12-02 08:52:49,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 08:52:49,687 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:52:49,687 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:49,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:52:49,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:52:49,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 08:52:49,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:49,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1905661053, now seen corresponding path program 1 times [2024-12-02 08:52:49,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:49,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [290849560] [2024-12-02 08:52:49,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:49,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:52:49,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:52:49,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:52:49,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:52:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:50,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:52:50,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:50,369 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 08:52:50,389 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 08:52:50,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:52:50,389 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:50,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290849560] [2024-12-02 08:52:50,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290849560] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:52:50,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:52:50,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:52:50,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356384800] [2024-12-02 08:52:50,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:50,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:52:50,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:50,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:52:50,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:52:50,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 33 [2024-12-02 08:52:50,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 08:52:50,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:52:50,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 33 [2024-12-02 08:52:50,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:52:50,542 INFO L124 PetriNetUnfolderBase]: 96/232 cut-off events. [2024-12-02 08:52:50,542 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-12-02 08:52:50,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 232 events. 96/232 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 857 event pairs, 31 based on Foata normal form. 18/248 useless extension candidates. Maximal degree in co-relation 484. Up to 135 conditions per place. [2024-12-02 08:52:50,544 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 23 selfloop transitions, 6 changer transitions 0/36 dead transitions. [2024-12-02 08:52:50,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 36 transitions, 159 flow [2024-12-02 08:52:50,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:52:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 08:52:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2024-12-02 08:52:50,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5656565656565656 [2024-12-02 08:52:50,546 INFO L175 Difference]: Start difference. First operand has 37 places, 32 transitions, 98 flow. Second operand 3 states and 56 transitions. [2024-12-02 08:52:50,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 36 transitions, 159 flow [2024-12-02 08:52:50,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 36 transitions, 157 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-12-02 08:52:50,548 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 97 flow [2024-12-02 08:52:50,549 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2024-12-02 08:52:50,549 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 2 predicate places. [2024-12-02 08:52:50,549 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 97 flow [2024-12-02 08:52:50,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 08:52:50,550 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:52:50,550 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:50,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:52:50,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:52:50,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 08:52:50,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:50,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1537343337, now seen corresponding path program 1 times [2024-12-02 08:52:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:50,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148405963] [2024-12-02 08:52:50,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:50,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:52:50,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:52:50,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:52:50,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:52:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:52:51,076 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:52:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:52:51,151 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 08:52:51,151 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:52:51,152 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-12-02 08:52:51,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-12-02 08:52:51,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-12-02 08:52:51,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-12-02 08:52:51,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-12-02 08:52:51,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:52:51,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:52:51,355 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 08:52:51,382 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 08:52:51,382 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:52:51,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:52:51 BasicIcfg [2024-12-02 08:52:51,385 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:52:51,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:52:51,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:52:51,386 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:52:51,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:52:48" (3/4) ... [2024-12-02 08:52:51,387 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:52:51,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:52:51,388 INFO L158 Benchmark]: Toolchain (without parser) took 4819.36ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 67.1MB in the beginning and 61.5MB in the end (delta: 5.6MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB. [2024-12-02 08:52:51,389 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:52:51,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.03ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 53.6MB in the end (delta: 13.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-12-02 08:52:51,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.96ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 50.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:52:51,389 INFO L158 Benchmark]: Boogie Preprocessor took 59.25ms. Allocated memory is still 92.3MB. Free memory was 50.6MB in the beginning and 46.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:52:51,390 INFO L158 Benchmark]: RCFGBuilder took 1280.72ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 46.5MB in the beginning and 87.9MB in the end (delta: -41.4MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-12-02 08:52:51,390 INFO L158 Benchmark]: TraceAbstraction took 2800.41ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 87.9MB in the beginning and 61.5MB in the end (delta: 26.4MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2024-12-02 08:52:51,390 INFO L158 Benchmark]: Witness Printer took 2.29ms. Allocated memory is still 201.3MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 39.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:52:51,392 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.03ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 53.6MB in the end (delta: 13.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.96ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 50.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.25ms. Allocated memory is still 92.3MB. Free memory was 50.6MB in the beginning and 46.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1280.72ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 46.5MB in the beginning and 87.9MB in the end (delta: -41.4MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2800.41ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 87.9MB in the beginning and 61.5MB in the end (delta: 26.4MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. * Witness Printer took 2.29ms. Allocated memory is still 201.3MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 39.0kB). 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: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=0, \old(argv)={0:0}, argc=0, g=0, mut={3:0}, t1=-1] [L1356] 1 g = 1 VAL [\old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=0, \old(argv)={0:0}, \old(ptr)={0:0}, argc=0, g=1, mut={3:0}, t1=-1, t2=0] [L1366] 2 g = 0 VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] [L18] 1 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_true.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1371]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 55 locations, 5 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: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=1, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 2 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 7 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 08:52:51,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac490ea-5058-444b-bfa4-96e51eafdb8d/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