./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.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_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:46,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:46,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-23 22:34:46,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:46,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:46,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:46,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:46,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:46,695 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:34:46,695 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:34:46,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:46,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:46,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:46,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:46,696 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:46,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:46,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:34:46,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:34:46,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:34:46,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:46,701 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 22:34:46,701 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 22:34:46,702 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 22:34:46,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:46,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:34:46,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:34:46,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:34:46,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:46,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:46,702 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:46,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:46,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:46,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:46,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:46,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:46,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:46,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:46,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:46,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:46,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:46,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:46,705 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:34:46,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:34:46,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:46,705 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:46,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:46,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:46,705 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_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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 -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2024-11-23 22:34:47,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:47,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:47,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:47,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:47,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:47,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-11-23 22:34:50,102 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data/6672dbbe4/0fbf483d24414ed89b3309f3ef630970/FLAGd49c80241 [2024-11-23 22:34:50,412 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:34:50,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-11-23 22:34:50,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data/6672dbbe4/0fbf483d24414ed89b3309f3ef630970/FLAGd49c80241 [2024-11-23 22:34:50,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data/6672dbbe4/0fbf483d24414ed89b3309f3ef630970 [2024-11-23 22:34:50,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:34:50,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:34:50,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:50,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:34:50,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:34:50,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:50" (1/1) ... [2024-11-23 22:34:50,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1907f40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:50, skipping insertion in model container [2024-11-23 22:34:50,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:50" (1/1) ... [2024-11-23 22:34:50,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:34:51,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:51,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:34:51,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:51,155 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:34:51,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51 WrapperNode [2024-11-23 22:34:51,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:51,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:51,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:34:51,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:34:51,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,195 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-23 22:34:51,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:51,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:34:51,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:34:51,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:34:51,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,228 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-23 22:34:51,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:34:51,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:34:51,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:34:51,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:34:51,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:51,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:51,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:34:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:34:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 22:34:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:34:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 22:34:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 22:34:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:34:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:34:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:34:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 22:34:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:34:51,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:34:51,328 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:34:51,535 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:34:51,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:34:51,797 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:34:51,797 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:34:51,979 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:34:51,980 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:34:51,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:51 BoogieIcfgContainer [2024-11-23 22:34:51,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:34:51,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:34:51,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:34:51,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:34:51,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:34:50" (1/3) ... [2024-11-23 22:34:51,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0c11b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:51, skipping insertion in model container [2024-11-23 22:34:51,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (2/3) ... [2024-11-23 22:34:51,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0c11b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:51, skipping insertion in model container [2024-11-23 22:34:51,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:51" (3/3) ... [2024-11-23 22:34:51,993 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-11-23 22:34:52,011 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:34:52,014 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_2_pos.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-23 22:34:52,015 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:34:52,072 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-23 22:34:52,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-11-23 22:34:52,160 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-23 22:34:52,165 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 22:34:52,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-11-23 22:34:52,170 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-11-23 22:34:52,173 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-11-23 22:34:52,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:34:52,200 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;@1c5e1ec2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:34:52,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 22:34:52,215 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:34:52,217 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-11-23 22:34:52,217 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:34:52,217 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:34:52,218 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:52,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 22:34:52,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:52,225 INFO L85 PathProgramCache]: Analyzing trace with hash 265752604, now seen corresponding path program 1 times [2024-11-23 22:34:52,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:52,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314405243] [2024-11-23 22:34:52,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:52,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:34:52,359 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:34:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:34:52,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:34:52,423 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:34:52,424 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-11-23 22:34:52,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-11-23 22:34:52,427 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-23 22:34:52,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:34:52,428 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 22:34:52,461 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:34:52,462 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:34:52,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:34:52 BasicIcfg [2024-11-23 22:34:52,471 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:34:52,471 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:34:52,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:34:52,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:34:52,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:51" (3/4) ... [2024-11-23 22:34:52,476 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:34:52,477 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:34:52,478 INFO L158 Benchmark]: Toolchain (without parser) took 1810.40ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 49.9MB in the end (delta: 66.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-23 22:34:52,479 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:34:52,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.42ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 97.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:34:52,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.30ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:34:52,481 INFO L158 Benchmark]: Boogie Preprocessor took 54.90ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 93.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:34:52,482 INFO L158 Benchmark]: RCFGBuilder took 729.51ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 70.7MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:34:52,482 INFO L158 Benchmark]: TraceAbstraction took 486.63ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 50.1MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:34:52,485 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 142.6MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:34:52,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.42ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 97.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.30ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.90ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 93.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 729.51ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 70.7MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 486.63ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 50.1MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 142.6MB. Free memory is still 50.1MB. 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: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_2_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: 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 3 procedures, 47 locations, 3 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: 0.3s, 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=68occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-11-23 22:34:52,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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 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_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:55,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:55,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-23 22:34:55,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:55,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:55,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:55,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:55,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:55,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:34:55,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:34:55,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:55,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:55,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:55,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:55,602 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:55,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:55,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:34:55,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:34:55,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:34:55,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:55,603 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 22:34:55,603 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 22:34:55,603 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 22:34:55,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:55,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:34:55,604 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:34:55,604 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:34:55,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:34:55,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:34:55,604 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:55,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:55,605 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:55,606 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:55,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:55,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:55,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:55,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:55,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:55,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:55,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:55,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:55,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:55,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:55,608 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:34:55,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:34:55,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:55,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:55,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:55,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:55,609 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_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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 -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2024-11-23 22:34:56,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:56,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:56,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:56,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:56,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:56,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-11-23 22:34:59,512 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data/c1956dca7/17ad57bb097246849a2d6ed041630094/FLAG7671454aa [2024-11-23 22:34:59,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:34:59,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-11-23 22:34:59,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data/c1956dca7/17ad57bb097246849a2d6ed041630094/FLAG7671454aa [2024-11-23 22:35:00,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/data/c1956dca7/17ad57bb097246849a2d6ed041630094 [2024-11-23 22:35:00,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:35:00,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:35:00,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:00,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:35:00,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:35:00,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545d0930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00, skipping insertion in model container [2024-11-23 22:35:00,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:35:00,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:00,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:35:00,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:00,795 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:35:00,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00 WrapperNode [2024-11-23 22:35:00,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:00,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:00,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:35:00,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:35:00,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,863 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-23 22:35:00,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:00,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:35:00,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:35:00,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:35:00,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,908 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-23 22:35:00,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,921 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:35:00,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:35:00,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:35:00,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:35:00,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (1/1) ... [2024-11-23 22:35:00,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:00,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:00,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:35:00,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:35:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 22:35:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:35:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 22:35:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 22:35:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:35:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 22:35:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 22:35:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-23 22:35:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-23 22:35:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-23 22:35:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 22:35:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:35:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:35:01,029 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:35:01,244 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:35:01,246 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:35:01,571 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:35:01,571 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:35:01,866 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:35:01,867 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:35:01,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:01 BoogieIcfgContainer [2024-11-23 22:35:01,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:35:01,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:35:01,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:35:01,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:35:01,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:35:00" (1/3) ... [2024-11-23 22:35:01,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c01c21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:01, skipping insertion in model container [2024-11-23 22:35:01,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:00" (2/3) ... [2024-11-23 22:35:01,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c01c21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:01, skipping insertion in model container [2024-11-23 22:35:01,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:01" (3/3) ... [2024-11-23 22:35:01,880 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-11-23 22:35:01,933 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:35:01,939 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_2_pos.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-23 22:35:01,939 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:35:02,006 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-23 22:35:02,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-11-23 22:35:02,106 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-23 22:35:02,109 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 22:35:02,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-11-23 22:35:02,114 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-11-23 22:35:02,119 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-11-23 22:35:02,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:35:02,155 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;@402de2e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:35:02,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 22:35:02,168 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:35:02,168 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-11-23 22:35:02,168 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:35:02,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:35:02,169 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:02,170 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 22:35:02,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:02,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1290580252, now seen corresponding path program 1 times [2024-11-23 22:35:02,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:35:02,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901176852] [2024-11-23 22:35:02,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:02,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:02,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:02,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:35:02,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:35:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:35:02,321 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:35:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:35:02,376 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-23 22:35:02,379 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:35:02,383 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-11-23 22:35:02,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-11-23 22:35:02,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-23 22:35:02,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 22:35:02,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:02,587 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 22:35:02,617 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:35:02,617 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:35:02,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:35:02 BasicIcfg [2024-11-23 22:35:02,628 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:35:02,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:35:02,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:35:02,630 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:35:02,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:01" (3/4) ... [2024-11-23 22:35:02,634 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:35:02,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:35:02,636 INFO L158 Benchmark]: Toolchain (without parser) took 2531.26ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 39.1MB in the end (delta: 19.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-23 22:35:02,637 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:02,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.79ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 38.1MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:35:02,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.25ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 36.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:35:02,640 INFO L158 Benchmark]: Boogie Preprocessor took 74.33ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 34.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:02,640 INFO L158 Benchmark]: RCFGBuilder took 927.40ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 27.6MB in the end (delta: 6.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 22:35:02,641 INFO L158 Benchmark]: TraceAbstraction took 757.44ms. Allocated memory is still 83.9MB. Free memory was 26.9MB in the beginning and 39.6MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:02,641 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 39.1MB in the end (delta: 485.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:02,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.79ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 38.1MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.25ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 36.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.33ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 34.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 927.40ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 27.6MB in the end (delta: 6.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 757.44ms. Allocated memory is still 83.9MB. Free memory was 26.9MB in the beginning and 39.6MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 39.1MB in the end (delta: 485.8kB). 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: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=0, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_2_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: 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 3 procedures, 47 locations, 3 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: 0.5s, 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=68occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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 [2024-11-23 22:35:02,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e622c37c-e9b2-4bb3-9218-cd8dd3dc12c9/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