./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX --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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:54:33,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:54:33,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-08 17:54:33,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:54:33,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:54:33,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:54:33,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:54:33,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:54:33,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:54:33,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:54:33,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:54:33,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:54:33,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:54:33,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:54:33,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:54:33,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:54:33,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:54:33,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:54:33,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:54:33,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:54:33,712 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 17:54:33,717 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 17:54:33,718 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 17:54:33,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:54:33,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:54:33,720 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:54:33,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:54:33,721 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:54:33,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:54:33,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:54:33,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:54:33,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:54:33,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:54:33,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:54:33,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:54:33,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:54:33,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:54:33,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:54:33,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:54:33,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:54:33,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:54:33,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:54:33,729 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2024-11-08 17:54:34,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:54:34,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:54:34,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:54:34,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:54:34,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:54:34,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i Unable to find full path for "g++" [2024-11-08 17:54:36,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:54:36,841 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:54:36,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-11-08 17:54:36,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/data/461b9bff7/eaf86ddd5aef4a4193e234673b0d2d8d/FLAG699412f80 [2024-11-08 17:54:36,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/data/461b9bff7/eaf86ddd5aef4a4193e234673b0d2d8d [2024-11-08 17:54:36,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:54:36,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:54:36,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:54:36,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:54:36,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:54:36,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:54:36" (1/1) ... [2024-11-08 17:54:36,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7c941e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:36, skipping insertion in model container [2024-11-08 17:54:36,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:54:36" (1/1) ... [2024-11-08 17:54:36,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:54:37,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:54:37,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:54:37,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:54:37,696 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:54:37,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37 WrapperNode [2024-11-08 17:54:37,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:54:37,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:54:37,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:54:37,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:54:37,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,752 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 17:54:37,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:54:37,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:54:37,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:54:37,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:54:37,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,772 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,799 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-08 17:54:37,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:54:37,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:54:37,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:54:37,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:54:37,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (1/1) ... [2024-11-08 17:54:37,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:54:37,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:54:37,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:54:37,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:54:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 17:54:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:54:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 17:54:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 17:54:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:54:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:54:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:54:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 17:54:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:54:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:54:37,947 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:54:38,159 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:54:38,162 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:54:38,402 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:54:38,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:54:38,610 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:54:38,611 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:54:38,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:38 BoogieIcfgContainer [2024-11-08 17:54:38,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:54:38,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:54:38,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:54:38,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:54:38,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:54:36" (1/3) ... [2024-11-08 17:54:38,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e3ca58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:54:38, skipping insertion in model container [2024-11-08 17:54:38,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:37" (2/3) ... [2024-11-08 17:54:38,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e3ca58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:54:38, skipping insertion in model container [2024-11-08 17:54:38,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:38" (3/3) ... [2024-11-08 17:54:38,627 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-11-08 17:54:38,652 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:54:38,652 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:54:38,652 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:54:38,704 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 17:54:38,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-11-08 17:54:38,781 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-08 17:54:38,781 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:54:38,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-11-08 17:54:38,785 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-11-08 17:54:38,789 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-11-08 17:54:38,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:54:38,810 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;@4525595b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:54:38,810 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-08 17:54:38,822 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:54:38,822 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-11-08 17:54:38,822 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:54:38,823 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:54:38,824 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:54:38,824 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:54:38,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:54:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash 265752604, now seen corresponding path program 1 times [2024-11-08 17:54:38,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:54:38,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733602548] [2024-11-08 17:54:38,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:38,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:54:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:54:39,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:54:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:54:39,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:54:39,086 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:54:39,088 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-11-08 17:54:39,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-11-08 17:54:39,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-08 17:54:39,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:54:39,092 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:54:39,128 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:54:39,128 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:54:39,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:54:39 BasicIcfg [2024-11-08 17:54:39,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:54:39,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:54:39,137 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:54:39,138 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:54:39,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:38" (3/4) ... [2024-11-08 17:54:39,143 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:54:39,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:54:39,146 INFO L158 Benchmark]: Toolchain (without parser) took 2242.09ms. Allocated memory is still 184.5MB. Free memory was 147.9MB in the beginning and 87.1MB in the end (delta: 60.9MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-11-08 17:54:39,146 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:54:39,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.65ms. Allocated memory is still 184.5MB. Free memory was 147.9MB in the beginning and 139.5MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:54:39,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.73ms. Allocated memory is still 184.5MB. Free memory was 139.5MB in the beginning and 137.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:54:39,148 INFO L158 Benchmark]: Boogie Preprocessor took 77.03ms. Allocated memory is still 184.5MB. Free memory was 137.2MB in the beginning and 135.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:54:39,149 INFO L158 Benchmark]: RCFGBuilder took 780.60ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 110.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 17:54:39,150 INFO L158 Benchmark]: TraceAbstraction took 518.16ms. Allocated memory is still 184.5MB. Free memory was 109.4MB in the beginning and 87.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 17:54:39,151 INFO L158 Benchmark]: Witness Printer took 7.47ms. Allocated memory is still 184.5MB. Free memory was 87.7MB in the beginning and 87.1MB in the end (delta: 597.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:54:39,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.65ms. Allocated memory is still 184.5MB. Free memory was 147.9MB in the beginning and 139.5MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.73ms. Allocated memory is still 184.5MB. Free memory was 139.5MB in the beginning and 137.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.03ms. Allocated memory is still 184.5MB. Free memory was 137.2MB in the beginning and 135.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 780.60ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 110.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 518.16ms. Allocated memory is still 184.5MB. Free memory was 109.4MB in the beginning and 87.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 7.47ms. Allocated memory is still 184.5MB. Free memory was 87.7MB in the beginning and 87.1MB in the end (delta: 597.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 47 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:54:39,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX --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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:54:42,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:54:42,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-08 17:54:42,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:54:42,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:54:42,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:54:42,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:54:42,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:54:42,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:54:42,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:54:42,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:54:42,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:54:42,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:54:42,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:54:42,200 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:54:42,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:54:42,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:54:42,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:54:42,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:54:42,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:54:42,203 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 17:54:42,204 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 17:54:42,204 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 17:54:42,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:54:42,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:54:42,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:54:42,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:54:42,206 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:54:42,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:54:42,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:54:42,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:54:42,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:54:42,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:54:42,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:54:42,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:54:42,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:54:42,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:54:42,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:54:42,217 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:54:42,217 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:54:42,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:54:42,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:54:42,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:54:42,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:54:42,220 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2024-11-08 17:54:42,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:54:42,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:54:42,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:54:42,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:54:42,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:54:42,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i Unable to find full path for "g++" [2024-11-08 17:54:45,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:54:45,607 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:54:45,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-11-08 17:54:45,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/data/eb1427e7e/f4c06932946c453a981acfeeafd053b2/FLAGb6bd934c1 [2024-11-08 17:54:45,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/data/eb1427e7e/f4c06932946c453a981acfeeafd053b2 [2024-11-08 17:54:45,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:54:45,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:54:45,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:54:45,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:54:45,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:54:45,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:54:45" (1/1) ... [2024-11-08 17:54:45,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ca2a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:45, skipping insertion in model container [2024-11-08 17:54:45,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:54:45" (1/1) ... [2024-11-08 17:54:45,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:54:46,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:54:46,345 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:54:46,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:54:46,485 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:54:46,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46 WrapperNode [2024-11-08 17:54:46,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:54:46,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:54:46,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:54:46,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:54:46,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,585 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-08 17:54:46,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:54:46,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:54:46,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:54:46,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:54:46,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,631 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-08 17:54:46,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:54:46,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:54:46,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:54:46,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:54:46,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (1/1) ... [2024-11-08 17:54:46,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:54:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:54:46,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:54:46,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:54:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 17:54:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:54:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 17:54:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 17:54:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:54:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 17:54:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 17:54:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 17:54:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 17:54:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 17:54:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 17:54:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:54:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:54:46,745 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:54:47,002 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:54:47,005 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:54:47,318 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:54:47,318 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:54:47,600 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:54:47,600 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:54:47,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:47 BoogieIcfgContainer [2024-11-08 17:54:47,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:54:47,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:54:47,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:54:47,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:54:47,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:54:45" (1/3) ... [2024-11-08 17:54:47,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b970762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:54:47, skipping insertion in model container [2024-11-08 17:54:47,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:46" (2/3) ... [2024-11-08 17:54:47,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b970762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:54:47, skipping insertion in model container [2024-11-08 17:54:47,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:47" (3/3) ... [2024-11-08 17:54:47,618 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-11-08 17:54:47,643 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:54:47,644 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:54:47,644 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:54:47,710 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 17:54:47,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-11-08 17:54:47,791 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-08 17:54:47,791 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:54:47,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-11-08 17:54:47,795 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-11-08 17:54:47,799 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-11-08 17:54:47,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:54:47,818 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;@8aef92a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:54:47,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-08 17:54:47,830 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:54:47,830 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-11-08 17:54:47,830 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:54:47,831 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:54:47,831 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:54:47,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:54:47,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:54:47,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1290580252, now seen corresponding path program 1 times [2024-11-08 17:54:47,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:54:47,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941003809] [2024-11-08 17:54:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:47,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:54:47,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:54:47,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:54:47,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:54:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:54:48,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:54:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:54:48,092 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:54:48,094 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:54:48,096 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-11-08 17:54:48,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-11-08 17:54:48,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-08 17:54:48,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:54:48,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:54:48,303 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:54:48,355 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:54:48,356 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:54:48,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:54:48 BasicIcfg [2024-11-08 17:54:48,372 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:54:48,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:54:48,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:54:48,377 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:54:48,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:47" (3/4) ... [2024-11-08 17:54:48,382 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:54:48,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:54:48,392 INFO L158 Benchmark]: Toolchain (without parser) took 2722.41ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 63.4MB in the beginning and 96.1MB in the end (delta: -32.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-08 17:54:48,393 INFO L158 Benchmark]: CDTParser took 1.57ms. Allocated memory is still 88.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:54:48,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.09ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 64.0MB in the end (delta: -885.2kB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-08 17:54:48,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.20ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:54:48,401 INFO L158 Benchmark]: Boogie Preprocessor took 71.50ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:54:48,403 INFO L158 Benchmark]: RCFGBuilder took 942.42ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 59.4MB in the beginning and 83.5MB in the end (delta: -24.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-08 17:54:48,407 INFO L158 Benchmark]: TraceAbstraction took 765.91ms. Allocated memory is still 123.7MB. Free memory was 82.9MB in the beginning and 96.7MB in the end (delta: -13.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 17:54:48,412 INFO L158 Benchmark]: Witness Printer took 14.11ms. Allocated memory is still 123.7MB. Free memory was 96.7MB in the beginning and 96.1MB in the end (delta: 615.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:54:48,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57ms. Allocated memory is still 88.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.09ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 64.0MB in the end (delta: -885.2kB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.20ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.50ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 942.42ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 59.4MB in the beginning and 83.5MB in the end (delta: -24.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * TraceAbstraction took 765.91ms. Allocated memory is still 123.7MB. Free memory was 82.9MB in the beginning and 96.7MB in the end (delta: -13.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 14.11ms. Allocated memory is still 123.7MB. Free memory was 96.7MB in the beginning and 96.1MB in the end (delta: 615.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=0, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 47 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:54:48,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ff1151-e363-4639-ac2e-80d9fa5f02b0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample