./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E --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 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:43:48,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:43:48,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-14 02:43:48,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:43:48,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:43:48,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:43:48,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:43:48,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:43:48,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:43:48,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:43:48,784 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:43:48,784 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:43:48,785 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:43:48,785 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:43:48,785 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:43:48,785 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:43:48,785 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:43:48,785 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:43:48,785 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:43:48,786 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:43:48,786 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:43:48,786 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:43:48,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 02:43:48,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 02:43:48,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:43:48,787 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:43:48,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:43:48,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:43:48,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:43:48,787 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 02:43:48,787 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 02:43:48,787 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 02:43:48,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:43:48,788 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:43:48,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:43:48,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:43:48,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:43:48,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:43:48,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:43:48,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:43:48,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:43:48,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:43:48,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:43:48,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:43:48,789 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:43:48,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:43:48,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:43:48,790 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:43:48,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:43:48,790 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E 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 -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2024-11-14 02:43:49,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:43:49,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:43:49,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:43:49,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:43:49,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:43:49,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i Unable to find full path for "g++" [2024-11-14 02:43:51,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:43:51,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:43:51,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-14 02:43:51,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/data/db0f69b9c/82f1188e2b8a42479f79cae92cd118bb/FLAGf22dbc0ed [2024-11-14 02:43:51,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/data/db0f69b9c/82f1188e2b8a42479f79cae92cd118bb [2024-11-14 02:43:51,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:43:51,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:43:51,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:43:51,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:43:51,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:43:51,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:43:51" (1/1) ... [2024-11-14 02:43:51,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ebf4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:51, skipping insertion in model container [2024-11-14 02:43:51,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:43:51" (1/1) ... [2024-11-14 02:43:51,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:43:52,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:43:52,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:43:52,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:43:52,541 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:43:52,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52 WrapperNode [2024-11-14 02:43:52,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:43:52,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:43:52,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:43:52,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:43:52,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,600 INFO L138 Inliner]: procedures = 357, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2024-11-14 02:43:52,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:43:52,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:43:52,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:43:52,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:43:52,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:43:52,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:43:52,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:43:52,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:43:52,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (1/1) ... [2024-11-14 02:43:52,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:43:52,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:43:52,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:43:52,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:43:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-14 02:43:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-14 02:43:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-14 02:43:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-14 02:43:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:43:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 02:43:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 02:43:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:43:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:43:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:43:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:43:52,727 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 02:43:53,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:43:53,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:43:53,420 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 02:43:53,420 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:43:54,303 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:43:54,304 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 02:43:54,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:43:54 BoogieIcfgContainer [2024-11-14 02:43:54,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:43:54,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:43:54,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:43:54,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:43:54,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:43:51" (1/3) ... [2024-11-14 02:43:54,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6f3348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:43:54, skipping insertion in model container [2024-11-14 02:43:54,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:52" (2/3) ... [2024-11-14 02:43:54,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6f3348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:43:54, skipping insertion in model container [2024-11-14 02:43:54,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:43:54" (3/3) ... [2024-11-14 02:43:54,318 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-14 02:43:54,335 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:43:54,337 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i that has 3 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 02:43:54,338 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 02:43:54,406 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 02:43:54,445 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 33 transitions, 80 flow [2024-11-14 02:43:54,509 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) [2024-11-14 02:43:54,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:43:54,562 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;@1711a7b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:43:54,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-14 02:43:54,567 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) [2024-11-14 02:43:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 02:43:54,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:54,575 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:54,576 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)] === [2024-11-14 02:43:54,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:54,581 INFO L85 PathProgramCache]: Analyzing trace with hash 569271028, now seen corresponding path program 1 times [2024-11-14 02:43:54,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:43:54,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050470483] [2024-11-14 02:43:54,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:43:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:43:55,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:43:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:43:55,377 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:43:55,379 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:43:55,381 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-14 02:43:55,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-14 02:43:55,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-14 02:43:55,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-14 02:43:55,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-11-14 02:43:55,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:43:55,390 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:43:55,437 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 02:43:55,438 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:43:55,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:43:55 BasicIcfg [2024-11-14 02:43:55,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:43:55,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:43:55,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:43:55,445 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:43:55,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:43:54" (3/4) ... [2024-11-14 02:43:55,447 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:43:55,449 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:43:55,450 INFO L158 Benchmark]: Toolchain (without parser) took 3812.59ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 36.2MB in the end (delta: 79.4MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2024-11-14 02:43:55,450 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 98.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:43:55,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.46ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 77.1MB in the end (delta: 38.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 02:43:55,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.81ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 74.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:43:55,454 INFO L158 Benchmark]: Boogie Preprocessor took 45.88ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 71.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:43:55,454 INFO L158 Benchmark]: RCFGBuilder took 1656.96ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 75.6MB in the end (delta: -4.0MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-11-14 02:43:55,455 INFO L158 Benchmark]: TraceAbstraction took 1133.94ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 36.2MB in the end (delta: 38.2MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-14 02:43:55,455 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 142.6MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 15.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:43:55,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 98.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.46ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 77.1MB in the end (delta: 38.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.81ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 74.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.88ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 71.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1656.96ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 75.6MB in the end (delta: -4.0MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1133.94ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 36.2MB in the end (delta: 38.2MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 142.6MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 15.7kB). 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)={1183:1184}, \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)={1183:1184}, \old(ptr)={0:0}, argc=1200, g=0, mut={3:0}, t1=-2, t2=-1] [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=0, mut={3:0}] [L18] 2 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(ptr)={0:0}, g=0, mut={3:0}] - 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: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:43:55,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E --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 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:43:58,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:43:58,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-14 02:43:58,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:43:58,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:43:58,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:43:58,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:43:58,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:43:58,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:43:58,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:43:58,346 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:43:58,346 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:43:58,346 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:43:58,346 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:43:58,346 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:43:58,347 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:43:58,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 02:43:58,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 02:43:58,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:43:58,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:43:58,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:43:58,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:43:58,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:43:58,350 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 02:43:58,350 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 02:43:58,350 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 02:43:58,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:43:58,350 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:43:58,350 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:43:58,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:43:58,351 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:43:58,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:43:58,351 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:43:58,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:43:58,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:43:58,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:43:58,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:43:58,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E 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 -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2024-11-14 02:43:58,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:43:58,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:43:58,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:43:58,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:43:58,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:43:58,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i Unable to find full path for "g++" [2024-11-14 02:44:00,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:44:01,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:44:01,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-14 02:44:01,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/data/2d750fa58/2c111803a4994d27b2409d2fa6317eff/FLAG06d15804f [2024-11-14 02:44:01,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/data/2d750fa58/2c111803a4994d27b2409d2fa6317eff [2024-11-14 02:44:01,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:44:01,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:44:01,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:01,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:44:01,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:44:01,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:01" (1/1) ... [2024-11-14 02:44:01,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473445c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:01, skipping insertion in model container [2024-11-14 02:44:01,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:01" (1/1) ... [2024-11-14 02:44:01,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:44:02,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:02,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:44:02,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:02,244 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:44:02,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02 WrapperNode [2024-11-14 02:44:02,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:02,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:02,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:44:02,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:44:02,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,328 INFO L138 Inliner]: procedures = 364, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 170 [2024-11-14 02:44:02,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:02,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:44:02,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:44:02,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:44:02,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:44:02,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:44:02,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:44:02,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:44:02,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (1/1) ... [2024-11-14 02:44:02,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:02,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:02,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:44:02,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:44:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-14 02:44:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-14 02:44:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-14 02:44:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-14 02:44:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:44:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-14 02:44:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:44:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 02:44:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 02:44:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 02:44:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:44:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:44:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:44:02,472 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 02:44:02,860 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:44:02,861 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:44:03,249 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 02:44:03,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:44:04,542 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:44:04,542 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 02:44:04,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:44:04 BoogieIcfgContainer [2024-11-14 02:44:04,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:44:04,546 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:44:04,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:44:04,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:44:04,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:44:01" (1/3) ... [2024-11-14 02:44:04,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c11ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:44:04, skipping insertion in model container [2024-11-14 02:44:04,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:02" (2/3) ... [2024-11-14 02:44:04,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c11ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:44:04, skipping insertion in model container [2024-11-14 02:44:04,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:44:04" (3/3) ... [2024-11-14 02:44:04,558 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-14 02:44:04,576 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:44:04,577 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i that has 3 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 02:44:04,578 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 02:44:04,644 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 02:44:04,677 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 33 transitions, 80 flow [2024-11-14 02:44:04,742 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) [2024-11-14 02:44:04,782 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:44:04,800 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;@27149656, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:44:04,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-14 02:44:04,804 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) [2024-11-14 02:44:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 02:44:04,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:04,815 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:04,815 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)] === [2024-11-14 02:44:04,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:04,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1881130036, now seen corresponding path program 1 times [2024-11-14 02:44:04,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:44:04,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342574656] [2024-11-14 02:44:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:04,837 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 [2024-11-14 02:44:04,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:44:04,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:44:04,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:44:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:44:05,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:44:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:44:05,624 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 02:44:05,626 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:44:05,628 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-14 02:44:05,630 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-14 02:44:05,631 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-14 02:44:05,631 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-14 02:44:05,633 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-11-14 02:44:05,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:44:05,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:44:05,841 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:44:05,888 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 02:44:05,888 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:44:05,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:44:05 BasicIcfg [2024-11-14 02:44:05,891 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:44:05,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:44:05,892 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:44:05,892 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:44:05,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:44:04" (3/4) ... [2024-11-14 02:44:05,895 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:44:05,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:44:05,898 INFO L158 Benchmark]: Toolchain (without parser) took 4645.10ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 58.7MB in the beginning and 63.4MB in the end (delta: -4.7MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2024-11-14 02:44:05,898 INFO L158 Benchmark]: CDTParser took 2.49ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:44:05,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 987.60ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 53.3MB in the end (delta: 5.4MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-14 02:44:05,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.94ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 50.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:44:05,899 INFO L158 Benchmark]: Boogie Preprocessor took 48.17ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 46.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:44:05,900 INFO L158 Benchmark]: RCFGBuilder took 2165.43ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 46.4MB in the beginning and 43.3MB in the end (delta: 3.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-14 02:44:05,900 INFO L158 Benchmark]: TraceAbstraction took 1344.84ms. Allocated memory was 109.1MB in the beginning and 192.9MB in the end (delta: 83.9MB). Free memory was 42.3MB in the beginning and 63.4MB in the end (delta: -21.1MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-14 02:44:05,901 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 192.9MB. Free memory was 63.4MB in the beginning and 63.4MB in the end (delta: 8.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:44:05,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.49ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 987.60ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 53.3MB in the end (delta: 5.4MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.94ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 50.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.17ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 46.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2165.43ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 46.4MB in the beginning and 43.3MB in the end (delta: 3.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1344.84ms. Allocated memory was 109.1MB in the beginning and 192.9MB in the end (delta: 83.9MB). Free memory was 42.3MB in the beginning and 63.4MB in the end (delta: -21.1MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 192.9MB. Free memory was 63.4MB in the beginning and 63.4MB in the end (delta: 8.4kB). 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] [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=0, mut={3:0}] [L18] 2 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(ptr)={0:0}, g=0, mut={3:0}] - 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: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:44:05,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f6ba4d-9a20-41dd-94e9-8000c8d86379/bin/utaipan-verify-sOmjnqqW8E/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