./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.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_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:18:28,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:18:28,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:18:28,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:18:28,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:18:28,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:18:28,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:18:28,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:18:28,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:18:28,833 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:18:28,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:18:28,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:18:28,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:18:28,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:18:28,834 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:18:28,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:18:28,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:18:28,834 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:18:28,835 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:18:28,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:18:28,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:18:28,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:18:28,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:18:28,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:18:28,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:18:28,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:18:28,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:18:28,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:18:28,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:18:28,837 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2024-12-02 12:18:29,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:18:29,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:18:29,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:18:29,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:18:29,075 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:18:29,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:18:31,744 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/data/2db771f64/e2d9b7cfbf354dc18bbf9539f9907644/FLAG4a1c386e7 [2024-12-02 12:18:31,985 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:18:31,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:18:32,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/data/2db771f64/e2d9b7cfbf354dc18bbf9539f9907644/FLAG4a1c386e7 [2024-12-02 12:18:32,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/data/2db771f64/e2d9b7cfbf354dc18bbf9539f9907644 [2024-12-02 12:18:32,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:18:32,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:18:32,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:18:32,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:18:32,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:18:32,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77303b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32, skipping insertion in model container [2024-12-02 12:18:32,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:18:32,470 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2024-12-02 12:18:32,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:18:32,776 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:18:32,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2024-12-02 12:18:32,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:18:32,897 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:18:32,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32 WrapperNode [2024-12-02 12:18:32,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:18:32,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:18:32,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:18:32,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:18:32,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,943 INFO L138 Inliner]: procedures = 354, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2024-12-02 12:18:32,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:18:32,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:18:32,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:18:32,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:18:32,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,970 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-12-02 12:18:32,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,981 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:32,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:18:32,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:18:32,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:18:32,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:18:32,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (1/1) ... [2024-12-02 12:18:33,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:18:33,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:18:33,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:18:33,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:18:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-12-02 12:18:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-12-02 12:18:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-12-02 12:18:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-12-02 12:18:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 12:18:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 12:18:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:18:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:18:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:18:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:18:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:18:33,054 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 12:18:33,269 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:18:33,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:18:33,475 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 12:18:33,475 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:18:33,966 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:18:33,966 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:18:33,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:18:33 BoogieIcfgContainer [2024-12-02 12:18:33,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:18:33,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:18:33,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:18:33,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:18:33,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:18:32" (1/3) ... [2024-12-02 12:18:33,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175a21af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:18:33, skipping insertion in model container [2024-12-02 12:18:33,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:32" (2/3) ... [2024-12-02 12:18:33,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175a21af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:18:33, skipping insertion in model container [2024-12-02 12:18:33,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:18:33" (3/3) ... [2024-12-02 12:18:33,976 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:18:33,994 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:18:33,995 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i that has 3 procedures, 28 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 12:18:33,995 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 12:18:34,039 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 12:18:34,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 28 transitions, 70 flow [2024-12-02 12:18:34,106 INFO L124 PetriNetUnfolderBase]: 1/26 cut-off events. [2024-12-02 12:18:34,108 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 12:18:34,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 26 events. 1/26 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2024-12-02 12:18:34,111 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 28 transitions, 70 flow [2024-12-02 12:18:34,113 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 19 transitions, 47 flow [2024-12-02 12:18:34,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:18:34,132 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@d53e4f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:18:34,132 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-02 12:18:34,145 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 12:18:34,145 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-12-02 12:18:34,146 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:18:34,146 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:18:34,146 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:18:34,147 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 12:18:34,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:34,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1129188560, now seen corresponding path program 1 times [2024-12-02 12:18:34,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:34,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225326528] [2024-12-02 12:18:34,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:34,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:18:34,625 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:18:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:18:34,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:18:34,693 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:18:34,694 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-12-02 12:18:34,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-12-02 12:18:34,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-12-02 12:18:34,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-12-02 12:18:34,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:18:34,697 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 12:18:34,725 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:18:34,725 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:18:34,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:18:34 BasicIcfg [2024-12-02 12:18:34,730 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:18:34,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:18:34,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:18:34,731 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:18:34,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:18:33" (3/4) ... [2024-12-02 12:18:34,732 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 12:18:34,778 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-02 12:18:34,819 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:18:34,820 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:18:34,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:18:34,821 INFO L158 Benchmark]: Toolchain (without parser) took 2527.37ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 114.3MB in the beginning and 241.5MB in the end (delta: -127.2MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2024-12-02 12:18:34,821 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:18:34,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.48ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 76.4MB in the end (delta: 37.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 12:18:34,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.11ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 73.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:18:34,822 INFO L158 Benchmark]: Boogie Preprocessor took 49.20ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 70.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:18:34,822 INFO L158 Benchmark]: RCFGBuilder took 972.68ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 84.5MB in the end (delta: -14.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-12-02 12:18:34,823 INFO L158 Benchmark]: TraceAbstraction took 761.55ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 83.5MB in the beginning and 247.7MB in the end (delta: -164.1MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-12-02 12:18:34,823 INFO L158 Benchmark]: Witness Printer took 89.33ms. Allocated memory is still 335.5MB. Free memory was 247.7MB in the beginning and 241.5MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:18:34,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.48ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 76.4MB in the end (delta: 37.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.11ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 73.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.20ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 70.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 972.68ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 84.5MB in the end (delta: -14.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 761.55ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 83.5MB in the beginning and 247.7MB in the end (delta: -164.1MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Witness Printer took 89.33ms. Allocated memory is still 335.5MB. Free memory was 247.7MB in the beginning and 241.5MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1162, \old(argv)={1183:1186}, \old(ptr)={0:0}, argc=1162, g=0, mut={3:0}, t1=-2] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1162, \old(argv)={1183:1186}, \old(ptr)={0:0}, argc=1162, g=0, mut={3:0}, t1=-2, t2=-1] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, \old(ptr)={0:0}, cond=0, g=0, mut={3:0}] [L19] 2 reach_error() VAL [\old(cond)=0, \old(ptr)={0:0}, cond=0, g=0, mut={3:0}] - 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, 49 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-12-02 12:18:34,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64801783-476b-47df-8e98-270d94e9d183/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE