./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:24:56,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:24:56,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-02 11:24:56,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:24:56,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:24:56,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:24:56,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:24:56,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:24:56,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:24:56,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:24:56,840 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:24:56,840 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:24:56,840 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:24:56,841 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:24:56,841 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:24:56,842 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:24:56,842 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:24:56,843 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:24:56,843 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:24:56,844 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:24:56,844 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:24:56,849 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:24:56,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 11:24:56,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 11:24:56,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:24:56,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:24:56,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:24:56,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:24:56,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:24:56,852 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 11:24:56,852 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 11:24:56,854 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 11:24:56,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:24:56,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:24:56,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:24:56,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 11:24:56,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:24:56,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:24:56,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:24:56,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:24:56,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:24:56,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:56,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:24:56,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:24:56,859 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:24:56,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:24:56,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:24:56,862 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:24:56,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:24:56,863 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce [2024-11-02 11:24:57,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:24:57,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:24:57,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:24:57,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:24:57,250 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:24:57,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i Unable to find full path for "g++" [2024-11-02 11:24:59,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:59,630 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:59,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-02 11:24:59,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/data/ad85fc224/5e509dd37623445a9bf653f9d64e2f5c/FLAG3e367264a [2024-11-02 11:24:59,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/data/ad85fc224/5e509dd37623445a9bf653f9d64e2f5c [2024-11-02 11:24:59,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:59,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:59,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:59,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:59,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:59,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:59" (1/1) ... [2024-11-02 11:24:59,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7797df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:59, skipping insertion in model container [2024-11-02 11:24:59,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:59" (1/1) ... [2024-11-02 11:24:59,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:00,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:00,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:00,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:00,940 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:00,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00 WrapperNode [2024-11-02 11:25:00,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:00,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:00,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:00,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:00,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:00,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,023 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 160 [2024-11-02 11:25:01,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:01,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:01,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:01,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:01,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:01,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:01,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:01,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:01,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (1/1) ... [2024-11-02 11:25:01,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:01,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:01,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:01,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-02 11:25:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-02 11:25:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-02 11:25:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-02 11:25:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 11:25:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 11:25:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:25:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:01,187 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 11:25:01,634 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:01,637 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:02,040 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 11:25:02,041 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:03,040 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:03,041 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:25:03,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:03 BoogieIcfgContainer [2024-11-02 11:25:03,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:03,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:03,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:03,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:03,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:24:59" (1/3) ... [2024-11-02 11:25:03,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458c4291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:03, skipping insertion in model container [2024-11-02 11:25:03,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:00" (2/3) ... [2024-11-02 11:25:03,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458c4291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:03, skipping insertion in model container [2024-11-02 11:25:03,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:03" (3/3) ... [2024-11-02 11:25:03,054 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-02 11:25:03,074 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:03,074 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 11:25:03,074 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 11:25:03,127 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-02 11:25:03,167 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 33 transitions, 80 flow [2024-11-02 11:25:03,243 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 251 states, 249 states have (on average 2.4016064257028114) internal successors, (598), 250 states have internal predecessors, (598), 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) [2024-11-02 11:25:03,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:03,298 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=FINITE_AUTOMATA, 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;@42733cf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:03,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-02 11:25:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 249 states have (on average 2.4016064257028114) internal successors, (598), 250 states have internal predecessors, (598), 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) [2024-11-02 11:25:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-02 11:25:03,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:03,311 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:03,312 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-02 11:25:03,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:03,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1552576460, now seen corresponding path program 1 times [2024-11-02 11:25:03,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:03,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753556170] [2024-11-02 11:25:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:03,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:04,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:04,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753556170] [2024-11-02 11:25:04,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753556170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:04,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:04,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:04,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481657309] [2024-11-02 11:25:04,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:04,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:25:04,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:04,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:25:04,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:25:04,404 INFO L87 Difference]: Start difference. First operand has 251 states, 249 states have (on average 2.4016064257028114) internal successors, (598), 250 states have internal predecessors, (598), 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) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-02 11:25:04,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:04,593 INFO L93 Difference]: Finished difference Result 400 states and 947 transitions. [2024-11-02 11:25:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:25:04,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2024-11-02 11:25:04,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:04,609 INFO L225 Difference]: With dead ends: 400 [2024-11-02 11:25:04,609 INFO L226 Difference]: Without dead ends: 245 [2024-11-02 11:25:04,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:25:04,616 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 32 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:04,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 20 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:25:04,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-02 11:25:04,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2024-11-02 11:25:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 225 states have (on average 2.2222222222222223) internal successors, (500), 226 states have internal predecessors, (500), 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) [2024-11-02 11:25:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 500 transitions. [2024-11-02 11:25:04,672 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 500 transitions. Word has length 10 [2024-11-02 11:25:04,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:04,673 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 500 transitions. [2024-11-02 11:25:04,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-02 11:25:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 500 transitions. [2024-11-02 11:25:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 11:25:04,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:04,675 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:04,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:25:04,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-02 11:25:04,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:04,677 INFO L85 PathProgramCache]: Analyzing trace with hash -914354092, now seen corresponding path program 1 times [2024-11-02 11:25:04,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:04,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272576176] [2024-11-02 11:25:04,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:04,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:05,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:05,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:05,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272576176] [2024-11-02 11:25:05,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272576176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:05,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:05,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 11:25:05,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014849136] [2024-11-02 11:25:05,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:05,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:25:05,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:05,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:25:05,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:25:05,316 INFO L87 Difference]: Start difference. First operand 227 states and 500 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-02 11:25:05,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:05,526 INFO L93 Difference]: Finished difference Result 302 states and 649 transitions. [2024-11-02 11:25:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 11:25:05,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2024-11-02 11:25:05,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:05,532 INFO L225 Difference]: With dead ends: 302 [2024-11-02 11:25:05,532 INFO L226 Difference]: Without dead ends: 157 [2024-11-02 11:25:05,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-02 11:25:05,537 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 48 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:05,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 25 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:25:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-02 11:25:05,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 149. [2024-11-02 11:25:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 147 states have (on average 1.9387755102040816) internal successors, (285), 148 states have internal predecessors, (285), 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) [2024-11-02 11:25:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 285 transitions. [2024-11-02 11:25:05,562 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 285 transitions. Word has length 13 [2024-11-02 11:25:05,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:05,563 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 285 transitions. [2024-11-02 11:25:05,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-02 11:25:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2024-11-02 11:25:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-02 11:25:05,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:05,569 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:05,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 11:25:05,570 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-02 11:25:05,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:05,571 INFO L85 PathProgramCache]: Analyzing trace with hash -829994574, now seen corresponding path program 1 times [2024-11-02 11:25:05,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:05,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216028007] [2024-11-02 11:25:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:05,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:05,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:25:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:05,896 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:25:05,896 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:25:05,898 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-02 11:25:05,900 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-02 11:25:05,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-02 11:25:05,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-02 11:25:05,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-11-02 11:25:05,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 11:25:05,908 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-02 11:25:05,974 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 11:25:05,976 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:25:05,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:25:05 BasicIcfg [2024-11-02 11:25:05,983 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:25:05,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:25:05,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:25:05,986 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:25:05,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:03" (3/4) ... [2024-11-02 11:25:05,991 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:25:05,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:25:05,993 INFO L158 Benchmark]: Toolchain (without parser) took 6297.74ms. Allocated memory was 155.2MB in the beginning and 237.0MB in the end (delta: 81.8MB). Free memory was 121.9MB in the beginning and 133.6MB in the end (delta: -11.7MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:05,994 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:05,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1243.84ms. Allocated memory is still 155.2MB. Free memory was 120.9MB in the beginning and 101.4MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 11:25:05,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.06ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 98.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:25:06,000 INFO L158 Benchmark]: Boogie Preprocessor took 57.16ms. Allocated memory is still 155.2MB. Free memory was 98.2MB in the beginning and 95.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:06,001 INFO L158 Benchmark]: RCFGBuilder took 1960.30ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 95.2MB in the beginning and 100.7MB in the end (delta: -5.5MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-11-02 11:25:06,002 INFO L158 Benchmark]: TraceAbstraction took 2938.37ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 100.7MB in the beginning and 133.6MB in the end (delta: -32.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-02 11:25:06,002 INFO L158 Benchmark]: Witness Printer took 8.19ms. Allocated memory is still 237.0MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:06,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1243.84ms. Allocated memory is still 155.2MB. Free memory was 120.9MB in the beginning and 101.4MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.06ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 98.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.16ms. Allocated memory is still 155.2MB. Free memory was 98.2MB in the beginning and 95.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1960.30ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 95.2MB in the beginning and 100.7MB in the end (delta: -5.5MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2938.37ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 100.7MB in the beginning and 133.6MB in the end (delta: -32.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 8.19ms. Allocated memory is still 237.0MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 } } } }; [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}, \old(ptr)={0:0}, 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}, g=1, mut={3:0}, ptr={0:0}] [L1365] CALL 2 __VERIFIER_assert(g == 0) [L19] COND TRUE 2 !(cond) [L19] CALL 2 reach_error() [L18] COND FALSE 2 !(0) VAL [\old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L18] 2 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_unknown_1_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(ptr)={0:0}, g=1, 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. 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, 80 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157 IncrementalHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 18 mSDtfsCounter, 157 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=251occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 11:25:06,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:08,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:08,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-02 11:25:08,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:08,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:08,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:08,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:08,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:08,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:08,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:08,998 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:08,999 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:08,999 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:09,000 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:09,000 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:09,004 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:09,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 11:25:09,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 11:25:09,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:09,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:25:09,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:25:09,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:25:09,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:09,010 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 11:25:09,010 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 11:25:09,010 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 11:25:09,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:09,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:25:09,011 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:25:09,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:09,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:25:09,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 11:25:09,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:25:09,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:09,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:09,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:25:09,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:09,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:09,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:09,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:09,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:09,017 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:25:09,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:25:09,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:09,019 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:09,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:09,019 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce [2024-11-02 11:25:09,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:09,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:09,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:09,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:09,511 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:09,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i Unable to find full path for "g++" [2024-11-02 11:25:12,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:12,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:12,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-02 11:25:12,573 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/data/87260ea03/389e424add474f79a50d54b02a4d80d5/FLAGb874ff4e9 [2024-11-02 11:25:12,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/data/87260ea03/389e424add474f79a50d54b02a4d80d5 [2024-11-02 11:25:12,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:12,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:12,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:12,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:12,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:12,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:12" (1/1) ... [2024-11-02 11:25:12,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2461133d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:12, skipping insertion in model container [2024-11-02 11:25:12,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:12" (1/1) ... [2024-11-02 11:25:12,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:13,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:13,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:13,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:13,878 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:13,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13 WrapperNode [2024-11-02 11:25:13,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:13,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:13,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:13,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:13,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:13,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:13,963 INFO L138 Inliner]: procedures = 358, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 161 [2024-11-02 11:25:13,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:13,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:13,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:13,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:13,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:13,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:13,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:13,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:14,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:14,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:14,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:14,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:14,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:14,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:14,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:14,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:14,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (1/1) ... [2024-11-02 11:25:14,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:14,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:14,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:14,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-02 11:25:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-02 11:25:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-02 11:25:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-02 11:25:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:25:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 11:25:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 11:25:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 11:25:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:14,200 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 11:25:14,718 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:14,721 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:15,059 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 11:25:15,060 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:16,131 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:16,132 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:25:16,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:16 BoogieIcfgContainer [2024-11-02 11:25:16,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:16,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:16,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:16,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:16,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:12" (1/3) ... [2024-11-02 11:25:16,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3754ebc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:16, skipping insertion in model container [2024-11-02 11:25:16,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:13" (2/3) ... [2024-11-02 11:25:16,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3754ebc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:16, skipping insertion in model container [2024-11-02 11:25:16,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:16" (3/3) ... [2024-11-02 11:25:16,149 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-02 11:25:16,172 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:16,172 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 11:25:16,172 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 11:25:16,253 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-02 11:25:16,292 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 33 transitions, 80 flow [2024-11-02 11:25:16,356 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 251 states, 249 states have (on average 2.4016064257028114) internal successors, (598), 250 states have internal predecessors, (598), 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) [2024-11-02 11:25:16,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:16,406 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=FINITE_AUTOMATA, 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;@6166381a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:16,407 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-02 11:25:16,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 249 states have (on average 2.4016064257028114) internal successors, (598), 250 states have internal predecessors, (598), 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) [2024-11-02 11:25:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-02 11:25:16,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:16,423 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:16,423 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-02 11:25:16,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:16,434 INFO L85 PathProgramCache]: Analyzing trace with hash -240717452, now seen corresponding path program 1 times [2024-11-02 11:25:16,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:16,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774566403] [2024-11-02 11:25:16,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:16,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:16,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:16,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:25:16,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 11:25:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:17,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 11:25:17,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:25:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:17,244 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:25:17,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:25:17,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774566403] [2024-11-02 11:25:17,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774566403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:17,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:17,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:17,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160036566] [2024-11-02 11:25:17,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:17,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:25:17,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:25:17,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:25:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:25:17,293 INFO L87 Difference]: Start difference. First operand has 251 states, 249 states have (on average 2.4016064257028114) internal successors, (598), 250 states have internal predecessors, (598), 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) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-02 11:25:17,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:17,625 INFO L93 Difference]: Finished difference Result 413 states and 977 transitions. [2024-11-02 11:25:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:25:17,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2024-11-02 11:25:17,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:17,642 INFO L225 Difference]: With dead ends: 413 [2024-11-02 11:25:17,643 INFO L226 Difference]: Without dead ends: 258 [2024-11-02 11:25:17,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:25:17,653 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 32 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:17,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 20 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 11:25:17,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-02 11:25:17,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 227. [2024-11-02 11:25:17,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 225 states have (on average 2.2222222222222223) internal successors, (500), 226 states have internal predecessors, (500), 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) [2024-11-02 11:25:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 500 transitions. [2024-11-02 11:25:17,736 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 500 transitions. Word has length 10 [2024-11-02 11:25:17,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:17,737 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 500 transitions. [2024-11-02 11:25:17,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-02 11:25:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 500 transitions. [2024-11-02 11:25:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 11:25:17,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:17,740 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:17,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 11:25:17,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:17,944 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-02 11:25:17,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:17,945 INFO L85 PathProgramCache]: Analyzing trace with hash 769928918, now seen corresponding path program 1 times [2024-11-02 11:25:17,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:17,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690864183] [2024-11-02 11:25:17,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:17,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:17,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:17,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:25:17,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 11:25:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:18,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 11:25:18,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:25:18,503 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 [2024-11-02 11:25:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:18,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:25:18,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:25:18,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690864183] [2024-11-02 11:25:18,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690864183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:18,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:18,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:18,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119117661] [2024-11-02 11:25:18,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:18,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:25:18,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:25:18,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:25:18,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:18,528 INFO L87 Difference]: Start difference. First operand 227 states and 500 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-02 11:25:18,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:18,708 INFO L93 Difference]: Finished difference Result 294 states and 633 transitions. [2024-11-02 11:25:18,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:25:18,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2024-11-02 11:25:18,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:18,711 INFO L225 Difference]: With dead ends: 294 [2024-11-02 11:25:18,711 INFO L226 Difference]: Without dead ends: 149 [2024-11-02 11:25:18,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:18,715 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:18,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 13 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:25:18,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-02 11:25:18,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-02 11:25:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 147 states have (on average 1.9387755102040816) internal successors, (285), 148 states have internal predecessors, (285), 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) [2024-11-02 11:25:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 285 transitions. [2024-11-02 11:25:18,739 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 285 transitions. Word has length 13 [2024-11-02 11:25:18,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:18,740 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 285 transitions. [2024-11-02 11:25:18,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-02 11:25:18,745 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2024-11-02 11:25:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-02 11:25:18,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:18,747 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:18,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 11:25:18,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:18,953 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-02 11:25:18,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:18,954 INFO L85 PathProgramCache]: Analyzing trace with hash -156828814, now seen corresponding path program 1 times [2024-11-02 11:25:18,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:18,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901339277] [2024-11-02 11:25:18,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:18,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:18,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:18,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:25:18,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 11:25:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:19,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:25:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:19,603 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-02 11:25:19,604 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:25:19,605 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-02 11:25:19,611 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-02 11:25:19,611 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-02 11:25:19,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-02 11:25:19,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-11-02 11:25:19,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-02 11:25:19,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:19,822 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-02 11:25:19,908 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 11:25:19,908 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:25:19,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:25:19 BasicIcfg [2024-11-02 11:25:19,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:25:19,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:25:19,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:25:19,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:25:19,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:16" (3/4) ... [2024-11-02 11:25:19,916 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:25:19,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:25:19,918 INFO L158 Benchmark]: Toolchain (without parser) took 7312.92ms. Allocated memory was 73.4MB in the beginning and 178.3MB in the end (delta: 104.9MB). Free memory was 47.6MB in the beginning and 64.0MB in the end (delta: -16.4MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,918 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:19,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1270.65ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 36.4MB in the end (delta: 11.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.75ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 32.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,919 INFO L158 Benchmark]: Boogie Preprocessor took 102.73ms. Allocated memory is still 73.4MB. Free memory was 32.8MB in the beginning and 29.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,920 INFO L158 Benchmark]: RCFGBuilder took 2066.12ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 29.4MB in the beginning and 32.7MB in the end (delta: -3.3MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,920 INFO L158 Benchmark]: TraceAbstraction took 3774.40ms. Allocated memory was 113.2MB in the beginning and 178.3MB in the end (delta: 65.0MB). Free memory was 31.7MB in the beginning and 65.1MB in the end (delta: -33.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,921 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 178.3MB. Free memory was 65.1MB in the beginning and 64.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:19,923 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 56.6MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1270.65ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 36.4MB in the end (delta: 11.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.75ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 32.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.73ms. Allocated memory is still 73.4MB. Free memory was 32.8MB in the beginning and 29.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2066.12ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 29.4MB in the beginning and 32.7MB in the end (delta: -3.3MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3774.40ms. Allocated memory was 113.2MB in the beginning and 178.3MB in the end (delta: 65.0MB). Free memory was 31.7MB in the beginning and 65.1MB in the end (delta: -33.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 178.3MB. Free memory was 65.1MB in the beginning and 64.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 } } } }; [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)=200, \old(argv)={202:201}, \old(ptr)={0:0}, argc=200, g=0, mut={3:0}, t1=0] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=200, \old(argv)={202:201}, \old(ptr)={0:0}, argc=200, g=0, mut={3:0}, t1=0, t2=1] [L1356] 1 g = 1 VAL [\old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L1365] CALL 2 __VERIFIER_assert(g == 0) [L19] COND TRUE 2 !(cond) [L19] CALL 2 reach_error() [L18] COND FALSE 2 !(0) VAL [\old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L18] 2 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_unknown_1_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(ptr)={0:0}, g=1, 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. OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 18 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 2 NumberOfNonLiveVariables, 234 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 11:25:19,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64d4263-ffb3-48b9-a03d-76d2e9db3c7d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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