./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/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_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/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_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-24 01:39:01,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:39:02,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-24 01:39:02,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:39:02,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:39:02,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:39:02,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:39:02,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:39:02,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:39:02,146 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:39:02,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:39:02,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:39:02,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:39:02,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:39:02,149 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:39:02,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:39:02,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:39:02,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:39:02,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:39:02,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:39:02,150 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 01:39:02,150 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 01:39:02,150 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 01:39:02,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:39:02,151 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:39:02,151 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:39:02,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:39:02,151 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:39:02,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:39:02,152 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:39:02,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:39:02,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:39:02,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:39:02,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:39:02,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:39:02,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:39:02,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:39:02,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:39:02,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:39:02,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:39:02,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:39:02,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:39:02,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:39:02,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:39:02,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:39:02,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:39:02,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:39:02,155 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_b59cb244-65e7-413e-b71b-edca1777b391/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 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 [2024-11-24 01:39:02,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:39:02,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:39:02,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:39:02,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:39:02,542 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:39:02,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-24 01:39:05,880 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data/4967193f4/c316b3e9e3794e0fb84acb2f0078a3fa/FLAGfd071513e [2024-11-24 01:39:06,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:39:06,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-24 01:39:06,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data/4967193f4/c316b3e9e3794e0fb84acb2f0078a3fa/FLAGfd071513e [2024-11-24 01:39:06,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data/4967193f4/c316b3e9e3794e0fb84acb2f0078a3fa [2024-11-24 01:39:06,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:39:06,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:39:06,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:39:06,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:39:06,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:39:06,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:39:06" (1/1) ... [2024-11-24 01:39:06,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df747db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:06, skipping insertion in model container [2024-11-24 01:39:06,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:39:06" (1/1) ... [2024-11-24 01:39:06,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:39:07,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:39:07,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:39:07,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:39:07,471 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:39:07,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07 WrapperNode [2024-11-24 01:39:07,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:39:07,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:39:07,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:39:07,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:39:07,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,541 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 160 [2024-11-24 01:39:07,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:39:07,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:39:07,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:39:07,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:39:07,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,581 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 01:39:07,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:39:07,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:39:07,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:39:07,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:39:07,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (1/1) ... [2024-11-24 01:39:07,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:39:07,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:39:07,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:39:07,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:39:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-24 01:39:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-24 01:39:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-24 01:39:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-24 01:39:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-24 01:39:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-24 01:39:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:39:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:39:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:39:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:39:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:39:07,710 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 01:39:08,141 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:39:08,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:39:08,524 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:39:08,524 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:39:09,561 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:39:09,562 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:39:09,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:39:09 BoogieIcfgContainer [2024-11-24 01:39:09,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:39:09,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:39:09,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:39:09,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:39:09,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:39:06" (1/3) ... [2024-11-24 01:39:09,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506e463c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:39:09, skipping insertion in model container [2024-11-24 01:39:09,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:07" (2/3) ... [2024-11-24 01:39:09,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506e463c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:39:09, skipping insertion in model container [2024-11-24 01:39:09,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:39:09" (3/3) ... [2024-11-24 01:39:09,577 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-24 01:39:09,596 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:39:09,598 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. [2024-11-24 01:39:09,598 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 01:39:09,702 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-24 01:39:09,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-11-24 01:39:09,812 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-11-24 01:39:09,814 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 01:39:09,819 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. [2024-11-24 01:39:09,820 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-11-24 01:39:09,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 30 transitions, 72 flow [2024-11-24 01:39:09,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:39:09,863 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;@a38772d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:39:09,864 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-24 01:39:09,890 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:39:09,891 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2024-11-24 01:39:09,891 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:39:09,891 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:39:09,892 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:39:09,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-24 01:39:09,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:39:09,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1552576460, now seen corresponding path program 1 times [2024-11-24 01:39:09,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:39:09,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766421812] [2024-11-24 01:39:09,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:39:09,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:39:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:39:10,687 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:39:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:39:10,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:39:10,786 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:39:10,787 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-24 01:39:10,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-24 01:39:10,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-24 01:39:10,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-24 01:39:10,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-11-24 01:39:10,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:39:10,792 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-24 01:39:10,835 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 01:39:10,835 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:39:10,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:39:10 BasicIcfg [2024-11-24 01:39:10,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:39:10,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:39:10,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:39:10,848 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:39:10,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:39:09" (3/4) ... [2024-11-24 01:39:10,852 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:39:10,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:39:10,855 INFO L158 Benchmark]: Toolchain (without parser) took 4542.80ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 89.4MB in the beginning and 72.6MB in the end (delta: 16.8MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-24 01:39:10,856 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:39:10,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1160.45ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 51.7MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 01:39:10,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.44ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 48.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:39:10,859 INFO L158 Benchmark]: Boogie Preprocessor took 79.12ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 45.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:39:10,861 INFO L158 Benchmark]: RCFGBuilder took 1940.39ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 31.8MB in the end (delta: 13.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-24 01:39:10,862 INFO L158 Benchmark]: TraceAbstraction took 1280.63ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 31.0MB in the beginning and 72.6MB in the end (delta: -41.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-24 01:39:10,863 INFO L158 Benchmark]: Witness Printer took 6.48ms. Allocated memory is still 176.2MB. Free memory was 72.6MB in the beginning and 72.6MB in the end (delta: 6.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:39:10,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1160.45ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 51.7MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.44ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 48.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 79.12ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 45.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1940.39ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 31.8MB in the end (delta: 13.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1280.63ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 31.0MB in the beginning and 72.6MB in the end (delta: -41.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 6.48ms. Allocated memory is still 176.2MB. Free memory was 72.6MB in the beginning and 72.6MB in the end (delta: 6.0kB). 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: 1.1s, 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 [2024-11-24 01:39:10,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/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_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/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_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/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_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-24 01:39:14,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:39:14,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-24 01:39:14,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:39:14,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:39:14,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:39:14,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:39:14,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:39:14,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:39:14,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:39:14,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:39:14,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:39:14,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:39:14,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:39:14,354 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:39:14,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:39:14,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:39:14,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:39:14,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:39:14,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:39:14,356 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 01:39:14,356 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 01:39:14,356 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 01:39:14,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:39:14,356 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:39:14,356 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:39:14,356 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:39:14,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:39:14,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:39:14,357 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:39:14,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:39:14,357 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:39:14,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:39:14,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:39:14,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:39:14,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:39:14,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:39:14,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:39:14,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:39:14,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:39:14,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:39:14,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:39:14,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:39:14,361 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:39:14,361 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:39:14,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:39:14,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:39:14,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:39:14,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:39:14,362 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_b59cb244-65e7-413e-b71b-edca1777b391/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 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 [2024-11-24 01:39:14,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:39:14,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:39:14,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:39:14,815 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:39:14,815 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:39:14,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-24 01:39:18,334 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data/6e46027cb/7b399e36af4e4693a1c8899e10c439f2/FLAG2ebfdb9df [2024-11-24 01:39:18,828 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:39:18,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-24 01:39:18,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data/6e46027cb/7b399e36af4e4693a1c8899e10c439f2/FLAG2ebfdb9df [2024-11-24 01:39:18,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/data/6e46027cb/7b399e36af4e4693a1c8899e10c439f2 [2024-11-24 01:39:18,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:39:18,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:39:18,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:39:18,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:39:18,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:39:18,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:39:18" (1/1) ... [2024-11-24 01:39:18,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6ff764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:18, skipping insertion in model container [2024-11-24 01:39:18,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:39:18" (1/1) ... [2024-11-24 01:39:19,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:39:19,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:39:19,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:39:19,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:39:19,941 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:39:19,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19 WrapperNode [2024-11-24 01:39:19,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:39:19,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:39:19,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:39:19,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:39:19,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:19,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,021 INFO L138 Inliner]: procedures = 358, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 161 [2024-11-24 01:39:20,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:39:20,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:39:20,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:39:20,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:39:20,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,058 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 01:39:20,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:39:20,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:39:20,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:39:20,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:39:20,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (1/1) ... [2024-11-24 01:39:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:39:20,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:39:20,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:39:20,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:39:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-24 01:39:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-24 01:39:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-24 01:39:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-24 01:39:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:39:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 01:39:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 01:39:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 01:39:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-24 01:39:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-24 01:39:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:39:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:39:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:39:20,207 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 01:39:20,599 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:39:20,601 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:39:21,029 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:39:21,029 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:39:22,337 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:39:22,338 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:39:22,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:39:22 BoogieIcfgContainer [2024-11-24 01:39:22,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:39:22,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:39:22,345 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:39:22,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:39:22,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:39:18" (1/3) ... [2024-11-24 01:39:22,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed88c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:39:22, skipping insertion in model container [2024-11-24 01:39:22,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:39:19" (2/3) ... [2024-11-24 01:39:22,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed88c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:39:22, skipping insertion in model container [2024-11-24 01:39:22,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:39:22" (3/3) ... [2024-11-24 01:39:22,356 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-24 01:39:22,376 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:39:22,378 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. [2024-11-24 01:39:22,378 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 01:39:22,455 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-24 01:39:22,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-11-24 01:39:22,607 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-11-24 01:39:22,609 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 01:39:22,615 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. [2024-11-24 01:39:22,615 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-11-24 01:39:22,618 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 30 transitions, 72 flow [2024-11-24 01:39:22,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:39:22,657 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;@1952facc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:39:22,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-24 01:39:22,700 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:39:22,701 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2024-11-24 01:39:22,701 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:39:22,701 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:39:22,702 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:39:22,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-24 01:39:22,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:39:22,711 INFO L85 PathProgramCache]: Analyzing trace with hash -240717452, now seen corresponding path program 1 times [2024-11-24 01:39:22,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:39:22,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510821383] [2024-11-24 01:39:22,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:39:22,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:39:22,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:39:22,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:39:22,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:39:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:39:23,387 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:39:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:39:23,517 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-24 01:39:23,520 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:39:23,524 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-24 01:39:23,526 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-24 01:39:23,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-24 01:39:23,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-24 01:39:23,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-11-24 01:39:23,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:39:23,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:39:23,729 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-24 01:39:23,775 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 01:39:23,775 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:39:23,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:39:23 BasicIcfg [2024-11-24 01:39:23,784 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:39:23,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:39:23,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:39:23,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:39:23,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:39:22" (3/4) ... [2024-11-24 01:39:23,788 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:39:23,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:39:23,791 INFO L158 Benchmark]: Toolchain (without parser) took 4856.24ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 90.8MB in the beginning and 94.7MB in the end (delta: -3.9MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2024-11-24 01:39:23,792 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:39:23,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1003.93ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 50.8MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 01:39:23,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.38ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 47.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:39:23,794 INFO L158 Benchmark]: Boogie Preprocessor took 88.70ms. Allocated memory is still 117.4MB. Free memory was 47.6MB in the beginning and 88.8MB in the end (delta: -41.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-24 01:39:23,795 INFO L158 Benchmark]: RCFGBuilder took 2227.08ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 88.8MB in the beginning and 85.0MB in the end (delta: 3.8MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. [2024-11-24 01:39:23,795 INFO L158 Benchmark]: TraceAbstraction took 1440.63ms. Allocated memory is still 234.9MB. Free memory was 84.3MB in the beginning and 94.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:39:23,795 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 234.9MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:39:23,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1003.93ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 50.8MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.38ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 47.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 88.70ms. Allocated memory is still 117.4MB. Free memory was 47.6MB in the beginning and 88.8MB in the end (delta: -41.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2227.08ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 88.8MB in the beginning and 85.0MB in the end (delta: 3.8MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1440.63ms. Allocated memory is still 234.9MB. Free memory was 84.3MB in the beginning and 94.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 234.9MB. Free memory is still 94.7MB. 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)=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: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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 [2024-11-24 01:39:23,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59cb244-65e7-413e-b71b-edca1777b391/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 Result: UNKNOWN: Overapproximated counterexample