./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC --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 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:14:11,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:14:11,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:14:11,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:14:11,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:14:11,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:14:11,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:14:11,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:14:11,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:14:11,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:14:11,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:14:11,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:14:11,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:14:11,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:14:11,247 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:14:11,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:14:11,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:14:11,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:14:11,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:14:11,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:14:11,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:14:11,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:14:11,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:14:11,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:14:11,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:14:11,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:14:11,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:14:11,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:14:11,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:14:11,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:14:11,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:14:11,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:14:11,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:11,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:14:11,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:14:11,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:14:11,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:14:11,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:11,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:14:11,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:14:11,252 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:14:11,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:14:11,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:14:11,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:14:11,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:14:11,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:14:11,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:14:11,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:14:11,253 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_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC 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 -> 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce [2024-11-24 01:14:11,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:14:11,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:14:11,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:14:11,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:14:11,576 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:14:11,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-24 01:14:14,590 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/data/3fdb32ced/0f7e1367174d4dbc813d85f4bd897300/FLAGcd4fd7b0f [2024-11-24 01:14:14,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:14:14,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-24 01:14:14,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/data/3fdb32ced/0f7e1367174d4dbc813d85f4bd897300/FLAGcd4fd7b0f [2024-11-24 01:14:14,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/data/3fdb32ced/0f7e1367174d4dbc813d85f4bd897300 [2024-11-24 01:14:14,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:14:14,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:14:14,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:14,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:14:15,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:14:15,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:14" (1/1) ... [2024-11-24 01:14:15,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113f80dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15, skipping insertion in model container [2024-11-24 01:14:15,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:14" (1/1) ... [2024-11-24 01:14:15,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:14:15,246 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_b1a08c60-05cb-4007-825f-3b598eae8b83/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2024-11-24 01:14:15,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:15,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:14:15,603 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_b1a08c60-05cb-4007-825f-3b598eae8b83/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2024-11-24 01:14:15,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:15,739 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:14:15,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15 WrapperNode [2024-11-24 01:14:15,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:15,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:15,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:14:15,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:14:15,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,791 INFO L138 Inliner]: procedures = 354, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2024-11-24 01:14:15,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:15,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:14:15,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:14:15,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:14:15,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,821 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]. [2024-11-24 01:14:15,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,834 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:14:15,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:14:15,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:14:15,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:14:15,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (1/1) ... [2024-11-24 01:14:15,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:15,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:15,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:14:15,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:14:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-24 01:14:15,931 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-24 01:14:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-24 01:14:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-24 01:14:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-24 01:14:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-24 01:14:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:14:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:14:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:14:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:14:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:14:15,935 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 01:14:16,317 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:14:16,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:14:16,613 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:14:16,614 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:14:17,504 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:14:17,504 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:14:17,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:17 BoogieIcfgContainer [2024-11-24 01:14:17,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:14:17,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:14:17,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:14:17,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:14:17,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:14:14" (1/3) ... [2024-11-24 01:14:17,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a928c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:17, skipping insertion in model container [2024-11-24 01:14:17,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:15" (2/3) ... [2024-11-24 01:14:17,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a928c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:17, skipping insertion in model container [2024-11-24 01:14:17,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:17" (3/3) ... [2024-11-24 01:14:17,518 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-24 01:14:17,536 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:14:17,537 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i that has 3 procedures, 28 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-24 01:14:17,538 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 01:14:17,624 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-24 01:14:17,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 28 transitions, 70 flow [2024-11-24 01:14:17,721 INFO L124 PetriNetUnfolderBase]: 1/26 cut-off events. [2024-11-24 01:14:17,723 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 01:14:17,728 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. [2024-11-24 01:14:17,729 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 28 transitions, 70 flow [2024-11-24 01:14:17,733 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 19 transitions, 47 flow [2024-11-24 01:14:17,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:14:17,769 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;@344f496b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:14:17,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-24 01:14:17,789 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:14:17,789 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-24 01:14:17,789 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:14:17,789 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:14:17,790 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:17,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-24 01:14:17,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:17,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1129188560, now seen corresponding path program 1 times [2024-11-24 01:14:17,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:17,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449770519] [2024-11-24 01:14:17,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:17,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:18,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:18,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449770519] [2024-11-24 01:14:18,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449770519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:18,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:18,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:18,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988589724] [2024-11-24 01:14:18,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:18,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:14:18,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:18,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:14:18,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:14:18,742 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 28 [2024-11-24 01:14:18,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 19 transitions, 47 flow. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-24 01:14:18,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:14:18,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 28 [2024-11-24 01:14:18,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:14:18,901 INFO L124 PetriNetUnfolderBase]: 88/191 cut-off events. [2024-11-24 01:14:18,901 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-24 01:14:18,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 191 events. 88/191 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 717 event pairs, 40 based on Foata normal form. 17/206 useless extension candidates. Maximal degree in co-relation 369. Up to 86 conditions per place. [2024-11-24 01:14:18,904 INFO L140 encePairwiseOnDemand]: 23/28 looper letters, 18 selfloop transitions, 3 changer transitions 11/35 dead transitions. [2024-11-24 01:14:18,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 35 transitions, 149 flow [2024-11-24 01:14:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:14:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 01:14:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2024-11-24 01:14:18,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42142857142857143 [2024-11-24 01:14:18,920 INFO L175 Difference]: Start difference. First operand has 26 places, 19 transitions, 47 flow. Second operand 5 states and 59 transitions. [2024-11-24 01:14:18,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 35 transitions, 149 flow [2024-11-24 01:14:18,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 35 transitions, 141 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-24 01:14:18,928 INFO L231 Difference]: Finished difference. Result has 30 places, 19 transitions, 57 flow [2024-11-24 01:14:18,931 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=57, PETRI_PLACES=30, PETRI_TRANSITIONS=19} [2024-11-24 01:14:18,934 INFO L279 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2024-11-24 01:14:18,935 INFO L471 AbstractCegarLoop]: Abstraction has has 30 places, 19 transitions, 57 flow [2024-11-24 01:14:18,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-24 01:14:18,935 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:14:18,935 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:18,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:14:18,936 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-24 01:14:18,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:18,936 INFO L85 PathProgramCache]: Analyzing trace with hash -394457200, now seen corresponding path program 1 times [2024-11-24 01:14:18,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:18,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730003924] [2024-11-24 01:14:18,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:18,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:19,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:19,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730003924] [2024-11-24 01:14:19,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730003924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:19,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:19,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:14:19,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883530783] [2024-11-24 01:14:19,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:19,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:14:19,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:19,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:14:19,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:14:19,455 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 28 [2024-11-24 01:14:19,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 19 transitions, 57 flow. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-24 01:14:19,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:14:19,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 28 [2024-11-24 01:14:19,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:14:19,603 INFO L124 PetriNetUnfolderBase]: 30/82 cut-off events. [2024-11-24 01:14:19,603 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-24 01:14:19,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 82 events. 30/82 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 218 event pairs, 6 based on Foata normal form. 16/96 useless extension candidates. Maximal degree in co-relation 183. Up to 27 conditions per place. [2024-11-24 01:14:19,604 INFO L140 encePairwiseOnDemand]: 20/28 looper letters, 15 selfloop transitions, 5 changer transitions 8/31 dead transitions. [2024-11-24 01:14:19,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 31 transitions, 144 flow [2024-11-24 01:14:19,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:14:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 01:14:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2024-11-24 01:14:19,607 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.40714285714285714 [2024-11-24 01:14:19,607 INFO L175 Difference]: Start difference. First operand has 30 places, 19 transitions, 57 flow. Second operand 5 states and 57 transitions. [2024-11-24 01:14:19,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 31 transitions, 144 flow [2024-11-24 01:14:19,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 31 transitions, 134 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-24 01:14:19,609 INFO L231 Difference]: Finished difference. Result has 28 places, 14 transitions, 45 flow [2024-11-24 01:14:19,609 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=45, PETRI_PLACES=28, PETRI_TRANSITIONS=14} [2024-11-24 01:14:19,609 INFO L279 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2024-11-24 01:14:19,610 INFO L471 AbstractCegarLoop]: Abstraction has has 28 places, 14 transitions, 45 flow [2024-11-24 01:14:19,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-24 01:14:19,611 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:14:19,611 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:19,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:14:19,612 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-24 01:14:19,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:19,612 INFO L85 PathProgramCache]: Analyzing trace with hash -912932818, now seen corresponding path program 1 times [2024-11-24 01:14:19,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:19,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345004622] [2024-11-24 01:14:19,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:19,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:19,832 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:14:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:19,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:14:19,916 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:14:19,917 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-24 01:14:19,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-24 01:14:19,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-24 01:14:19,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-11-24 01:14:19,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:14:19,921 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:14:19,964 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 01:14:19,965 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:14:19,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:14:19 BasicIcfg [2024-11-24 01:14:19,973 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:14:19,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:14:19,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:14:19,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:14:19,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:17" (3/4) ... [2024-11-24 01:14:19,977 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 01:14:20,041 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-11-24 01:14:20,089 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:14:20,089 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:14:20,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:14:20,093 INFO L158 Benchmark]: Toolchain (without parser) took 5092.98ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 90.7MB in the beginning and 60.0MB in the end (delta: 30.7MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,093 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 195.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:20,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.08ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 52.8MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.07ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 49.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:20,094 INFO L158 Benchmark]: Boogie Preprocessor took 60.96ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 46.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:20,094 INFO L158 Benchmark]: RCFGBuilder took 1651.24ms. Allocated memory is still 117.4MB. Free memory was 46.4MB in the beginning and 31.4MB in the end (delta: 15.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,095 INFO L158 Benchmark]: TraceAbstraction took 2466.40ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 30.6MB in the beginning and 66.5MB in the end (delta: -35.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,095 INFO L158 Benchmark]: Witness Printer took 115.39ms. Allocated memory is still 159.4MB. Free memory was 66.5MB in the beginning and 60.0MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:20,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 195.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.08ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 52.8MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.07ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 49.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.96ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 46.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1651.24ms. Allocated memory is still 117.4MB. Free memory was 46.4MB in the beginning and 31.4MB in the end (delta: 15.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2466.40ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 30.6MB in the beginning and 66.5MB in the end (delta: -35.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 115.39ms. Allocated memory is still 159.4MB. Free memory was 66.5MB in the beginning and 60.0MB in the end (delta: 6.5MB). There was no memory consumed. 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] [L1356] 1 g = 1 VAL [\old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L1365] CALL 2 __VERIFIER_assert(g == 0) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, \old(ptr)={0:0}, cond=0, g=1, mut={3:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, \old(ptr)={0:0}, cond=0, g=1, mut={3:0}, ptr={0:0}] - 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: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 5 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=1, InterpolantAutomatonStates: 10, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:14:20,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a08c60-05cb-4007-825f-3b598eae8b83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE