./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/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_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.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_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:35:12,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:35:12,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 12:35:12,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:35:12,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:35:12,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:35:12,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:35:12,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:35:12,133 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:35:12,133 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:35:12,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:35:12,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:35:12,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:35:12,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:35:12,134 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:35:12,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:35:12,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:35:12,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:35:12,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:35:12,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:35:12,134 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:35:12,135 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:35:12,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:12,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:12,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:35:12,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:35:12,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:35:12,137 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_1f74cd88-3c3c-4404-a909-7f71a5637f65/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2024-12-02 12:35:12,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:35:12,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:35:12,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:35:12,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:35:12,380 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:35:12,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:35:15,110 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data/440f2cb08/12663d5a70e64e32b28607e6f33993aa/FLAGea1208227 [2024-12-02 12:35:15,368 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:35:15,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:35:15,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data/440f2cb08/12663d5a70e64e32b28607e6f33993aa/FLAGea1208227 [2024-12-02 12:35:15,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data/440f2cb08/12663d5a70e64e32b28607e6f33993aa [2024-12-02 12:35:15,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:35:15,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:35:15,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:35:15,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:35:15,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:35:15,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:35:15" (1/1) ... [2024-12-02 12:35:15,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d91c5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:15, skipping insertion in model container [2024-12-02 12:35:15,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:35:15" (1/1) ... [2024-12-02 12:35:15,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:35:16,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:35:16,138 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:35:16,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:35:16,262 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:35:16,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16 WrapperNode [2024-12-02 12:35:16,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:35:16,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:35:16,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:35:16,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:35:16,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,300 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 160 [2024-12-02 12:35:16,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:35:16,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:35:16,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:35:16,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:35:16,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,328 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 12:35:16,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,338 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:35:16,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:35:16,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:35:16,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:35:16,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (1/1) ... [2024-12-02 12:35:16,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:16,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:35:16,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:35:16,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:35:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-12-02 12:35:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-12-02 12:35:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-12-02 12:35:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-12-02 12:35:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 12:35:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 12:35:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:35:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:35:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:35:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:35:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:35:16,409 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 12:35:16,644 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:35:16,645 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:35:16,895 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 12:35:16,896 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:35:17,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:35:17,380 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:35:17,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:17 BoogieIcfgContainer [2024-12-02 12:35:17,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:35:17,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:35:17,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:35:17,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:35:17,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:35:15" (1/3) ... [2024-12-02 12:35:17,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686b6b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:35:17, skipping insertion in model container [2024-12-02 12:35:17,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:16" (2/3) ... [2024-12-02 12:35:17,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686b6b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:35:17, skipping insertion in model container [2024-12-02 12:35:17,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:17" (3/3) ... [2024-12-02 12:35:17,387 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:35:17,398 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:35:17,399 INFO L151 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. [2024-12-02 12:35:17,399 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 12:35:17,439 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 12:35:17,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-12-02 12:35:17,489 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-12-02 12:35:17,490 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 12:35:17,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 2/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-12-02 12:35:17,493 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-12-02 12:35:17,495 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 30 transitions, 72 flow [2024-12-02 12:35:17,501 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:35:17,511 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e9dc5ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:35:17,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-02 12:35:17,523 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 12:35:17,523 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2024-12-02 12:35:17,523 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:35:17,523 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:35:17,523 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:17,524 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)] === [2024-12-02 12:35:17,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:17,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1552576460, now seen corresponding path program 1 times [2024-12-02 12:35:17,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:17,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048324407] [2024-12-02 12:35:17,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:17,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:35:17,985 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:35:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:35:18,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:35:18,053 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:35:18,055 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-12-02 12:35:18,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-12-02 12:35:18,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-12-02 12:35:18,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-12-02 12:35:18,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-12-02 12:35:18,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:35:18,058 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 12:35:18,088 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:35:18,088 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:35:18,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:35:18 BasicIcfg [2024-12-02 12:35:18,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:35:18,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:35:18,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:35:18,095 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:35:18,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:17" (3/4) ... [2024-12-02 12:35:18,097 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:35:18,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:35:18,099 INFO L158 Benchmark]: Toolchain (without parser) took 2415.48ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 114.7MB in the beginning and 225.4MB in the end (delta: -110.7MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2024-12-02 12:35:18,099 INFO L158 Benchmark]: CDTParser took 0.29ms. 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 12:35:18,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.28ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 76.9MB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 12:35:18,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.45ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 74.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:35:18,100 INFO L158 Benchmark]: Boogie Preprocessor took 49.62ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 70.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:35:18,101 INFO L158 Benchmark]: RCFGBuilder took 1029.36ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 84.0MB in the end (delta: -13.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-12-02 12:35:18,101 INFO L158 Benchmark]: TraceAbstraction took 711.77ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 83.0MB in the beginning and 225.4MB in the end (delta: -142.5MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2024-12-02 12:35:18,101 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 335.5MB. Free memory was 225.4MB in the beginning and 225.4MB in the end (delta: 10.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:35:18,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.28ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 76.9MB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.45ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 74.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.62ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 70.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1029.36ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 84.0MB in the end (delta: -13.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * TraceAbstraction took 711.77ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 83.0MB in the beginning and 225.4MB in the end (delta: -142.5MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 335.5MB. Free memory was 225.4MB in the beginning and 225.4MB in the end (delta: 10.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [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)=1200, \old(argv)={1182:1184}, \old(ptr)={0:0}, argc=1200, g=0, mut={3:0}, t1=-2] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1200, \old(argv)={1182:1184}, \old(ptr)={0:0}, argc=1200, g=0, mut={3:0}, t1=-2, t2=-1] [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. 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: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:35:18,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/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 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_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/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_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.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_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:35:20,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:35:20,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-12-02 12:35:20,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:35:20,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:35:20,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:35:20,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:35:20,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:35:20,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:35:20,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:35:20,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:35:20,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:35:20,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:35:20,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:35:20,169 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:35:20,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:35:20,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:35:20,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:35:20,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:35:20,171 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:20,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:20,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:35:20,171 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:35:20,172 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:35:20,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:35:20,172 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:35:20,172 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:35:20,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:35:20,172 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_1f74cd88-3c3c-4404-a909-7f71a5637f65/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2024-12-02 12:35:20,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:35:20,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:35:20,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:35:20,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:35:20,413 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:35:20,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:35:23,175 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data/c6dde877d/11a36d971a484244a4221f9a1f89843d/FLAG6d6571887 [2024-12-02 12:35:23,407 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:35:23,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:35:23,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data/c6dde877d/11a36d971a484244a4221f9a1f89843d/FLAG6d6571887 [2024-12-02 12:35:23,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/data/c6dde877d/11a36d971a484244a4221f9a1f89843d [2024-12-02 12:35:23,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:35:23,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:35:23,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:35:23,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:35:23,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:35:23,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:35:23" (1/1) ... [2024-12-02 12:35:23,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f8c430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:23, skipping insertion in model container [2024-12-02 12:35:23,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:35:23" (1/1) ... [2024-12-02 12:35:23,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:35:24,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:35:24,161 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:35:24,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:35:24,287 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:35:24,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24 WrapperNode [2024-12-02 12:35:24,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:35:24,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:35:24,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:35:24,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:35:24,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,340 INFO L138 Inliner]: procedures = 358, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 161 [2024-12-02 12:35:24,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:35:24,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:35:24,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:35:24,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:35:24,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,368 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 12:35:24,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,381 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:35:24,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:35:24,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:35:24,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:35:24,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (1/1) ... [2024-12-02 12:35:24,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:24,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:35:24,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:35:24,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:35:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-12-02 12:35:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-12-02 12:35:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:35:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:35:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:35:24,452 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 12:35:24,707 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:35:24,709 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:35:24,972 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 12:35:24,972 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:35:25,567 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:35:25,567 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:35:25,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:25 BoogieIcfgContainer [2024-12-02 12:35:25,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:35:25,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:35:25,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:35:25,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:35:25,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:35:23" (1/3) ... [2024-12-02 12:35:25,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a4f389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:35:25, skipping insertion in model container [2024-12-02 12:35:25,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:24" (2/3) ... [2024-12-02 12:35:25,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a4f389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:35:25, skipping insertion in model container [2024-12-02 12:35:25,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:25" (3/3) ... [2024-12-02 12:35:25,577 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-12-02 12:35:25,592 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:35:25,593 INFO L151 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. [2024-12-02 12:35:25,593 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 12:35:25,639 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 12:35:25,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-12-02 12:35:25,703 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-12-02 12:35:25,705 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 12:35:25,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 2/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-12-02 12:35:25,708 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-12-02 12:35:25,710 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 30 transitions, 72 flow [2024-12-02 12:35:25,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:35:25,729 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33d5fdaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:35:25,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-02 12:35:25,744 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 12:35:25,744 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2024-12-02 12:35:25,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:35:25,745 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:35:25,745 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:25,746 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)] === [2024-12-02 12:35:25,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:25,751 INFO L85 PathProgramCache]: Analyzing trace with hash -240717452, now seen corresponding path program 1 times [2024-12-02 12:35:25,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:35:25,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222176100] [2024-12-02 12:35:25,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:25,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:35:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:35:25,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:35:25,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:35:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:35:26,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:35:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:35:26,423 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 12:35:26,425 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:35:26,426 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-12-02 12:35:26,428 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-12-02 12:35:26,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-12-02 12:35:26,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-12-02 12:35:26,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-12-02 12:35:26,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:35:26,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:35:26,630 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 12:35:26,658 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:35:26,659 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:35:26,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:35:26 BasicIcfg [2024-12-02 12:35:26,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:35:26,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:35:26,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:35:26,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:35:26,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:25" (3/4) ... [2024-12-02 12:35:26,666 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:35:26,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:35:26,667 INFO L158 Benchmark]: Toolchain (without parser) took 2935.07ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 68.2MB in the beginning and 44.0MB in the end (delta: 24.2MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2024-12-02 12:35:26,667 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:35:26,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.59ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 54.6MB in the end (delta: 13.4MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-12-02 12:35:26,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.44ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 51.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:35:26,668 INFO L158 Benchmark]: Boogie Preprocessor took 53.71ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 47.5MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:35:26,669 INFO L158 Benchmark]: RCFGBuilder took 1172.81ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 47.5MB in the beginning and 94.4MB in the end (delta: -46.9MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-12-02 12:35:26,669 INFO L158 Benchmark]: TraceAbstraction took 1093.46ms. Allocated memory is still 134.2MB. Free memory was 94.4MB in the beginning and 45.1MB in the end (delta: 49.4MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-12-02 12:35:26,669 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 134.2MB. Free memory was 45.1MB in the beginning and 44.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:35:26,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.59ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 54.6MB in the end (delta: 13.4MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.44ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 51.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.71ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 47.5MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1172.81ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 47.5MB in the beginning and 94.4MB in the end (delta: -46.9MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1093.46ms. Allocated memory is still 134.2MB. Free memory was 94.4MB in the beginning and 45.1MB in the end (delta: 49.4MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 134.2MB. Free memory was 45.1MB in the beginning and 44.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [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)=0, \old(argv)={0:0}, \old(ptr)={0:0}, argc=0, g=0, mut={3:0}, t1=-1] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=0, \old(argv)={0:0}, \old(ptr)={0:0}, argc=0, g=0, mut={3:0}, t1=-1, t2=0] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) [L19] CALL 2 reach_error() [L18] COND FALSE 2 !(0) VAL [\old(ptr)={0:0}, g=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. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.0s, 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=72occurred 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:35:26,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74cd88-3c3c-4404-a909-7f71a5637f65/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 Result: UNKNOWN: Overapproximated counterexample