./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX --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 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:19:35,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:19:36,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-08 19:19:36,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:19:36,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:19:36,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:19:36,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:19:36,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:19:36,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:19:36,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:19:36,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:19:36,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:19:36,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:19:36,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:19:36,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:19:36,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:19:36,137 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:19:36,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:19:36,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:19:36,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:19:36,138 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:19:36,139 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:19:36,139 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 19:19:36,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:19:36,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:19:36,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:19:36,140 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:19:36,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:19:36,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:19:36,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:19:36,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:19:36,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:19:36,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:19:36,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:19:36,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:19:36,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:19:36,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:19:36,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:19:36,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:19:36,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:19:36,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:19:36,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:19:36,156 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 [2024-11-08 19:19:36,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:19:36,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:19:36,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:19:36,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:19:36,443 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:19:36,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i Unable to find full path for "g++" [2024-11-08 19:19:38,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:19:38,700 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:19:38,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2024-11-08 19:19:38,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/data/d9a2a499f/d5b4407d65914c75accdd1e7e1a35de5/FLAG70994a4a1 [2024-11-08 19:19:38,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/data/d9a2a499f/d5b4407d65914c75accdd1e7e1a35de5 [2024-11-08 19:19:38,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:19:38,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:19:38,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:19:38,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:19:38,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:19:38,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:19:38" (1/1) ... [2024-11-08 19:19:38,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9fa85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:38, skipping insertion in model container [2024-11-08 19:19:38,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:19:38" (1/1) ... [2024-11-08 19:19:38,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:19:39,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:19:39,201 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:19:39,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:19:39,280 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:19:39,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39 WrapperNode [2024-11-08 19:19:39,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:19:39,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:19:39,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:19:39,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:19:39,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,324 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-08 19:19:39,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:19:39,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:19:39,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:19:39,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:19:39,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,353 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]. [2024-11-08 19:19:39,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:19:39,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:19:39,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:19:39,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:19:39,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (1/1) ... [2024-11-08 19:19:39,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:19:39,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:19:39,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:19:39,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:19:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 19:19:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:19:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 19:19:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 19:19:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:19:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:19:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 19:19:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:19:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:19:39,444 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:19:39,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:19:39,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:19:39,769 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:19:39,770 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:19:39,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:19:39,962 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:19:39,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:19:39 BoogieIcfgContainer [2024-11-08 19:19:39,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:19:39,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:19:39,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:19:39,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:19:39,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:19:38" (1/3) ... [2024-11-08 19:19:39,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461faee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:19:39, skipping insertion in model container [2024-11-08 19:19:39,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:39" (2/3) ... [2024-11-08 19:19:39,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461faee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:19:39, skipping insertion in model container [2024-11-08 19:19:39,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:19:39" (3/3) ... [2024-11-08 19:19:39,974 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2024-11-08 19:19:39,993 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:19:39,993 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 19:19:39,993 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:19:40,044 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 19:19:40,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-08 19:19:40,129 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-08 19:19:40,131 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:19:40,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2024-11-08 19:19:40,138 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-08 19:19:40,144 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-08 19:19:40,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:19:40,162 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;@902eed2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:19:40,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 19:19:40,175 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:19:40,175 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-08 19:19:40,175 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:19:40,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:19:40,176 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:19:40,177 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-08 19:19:40,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:19:40,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-08 19:19:40,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:19:40,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642756792] [2024-11-08 19:19:40,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:19:40,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:19:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:19:40,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:19:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:19:40,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:19:40,366 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:19:40,368 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-08 19:19:40,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-08 19:19:40,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-08 19:19:40,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-08 19:19:40,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:19:40,372 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 19:19:40,396 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 19:19:40,397 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:19:40,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:19:40 BasicIcfg [2024-11-08 19:19:40,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:19:40,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:19:40,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:19:40,403 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:19:40,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:19:39" (3/4) ... [2024-11-08 19:19:40,406 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:19:40,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:19:40,409 INFO L158 Benchmark]: Toolchain (without parser) took 1663.12ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 94.9MB in the beginning and 128.9MB in the end (delta: -34.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 19:19:40,409 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:19:40,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.31ms. Allocated memory is still 136.3MB. Free memory was 94.4MB in the beginning and 72.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 19:19:40,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.49ms. Allocated memory is still 136.3MB. Free memory was 72.9MB in the beginning and 70.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:19:40,411 INFO L158 Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 136.3MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:19:40,412 INFO L158 Benchmark]: RCFGBuilder took 598.53ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 68.8MB in the beginning and 151.9MB in the end (delta: -83.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-08 19:19:40,412 INFO L158 Benchmark]: TraceAbstraction took 435.79ms. Allocated memory is still 182.5MB. Free memory was 150.9MB in the beginning and 128.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 19:19:40,413 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 182.5MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:19:40,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.31ms. Allocated memory is still 136.3MB. Free memory was 94.4MB in the beginning and 72.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.49ms. Allocated memory is still 136.3MB. Free memory was 72.9MB in the beginning and 70.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.57ms. Allocated memory is still 136.3MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.53ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 68.8MB in the beginning and 151.9MB in the end (delta: -83.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 435.79ms. Allocated memory is still 182.5MB. Free memory was 150.9MB in the beginning and 128.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 182.5MB. Free memory is still 128.9MB. 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id=-1, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND TRUE 1 t == 42 [L688] 1 glob1 = 1 [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=1, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_2_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=1, mutex1={3:0}] - UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 698]: 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, 37 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, 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=52occurred 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:19:40,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX --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 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:19:42,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:19:42,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-08 19:19:42,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:19:42,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:19:42,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:19:42,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:19:42,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:19:42,963 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:19:42,964 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:19:42,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:19:42,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:19:42,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:19:42,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:19:42,966 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:19:42,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:19:42,971 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:19:42,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:19:42,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:19:42,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:19:42,973 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:19:42,976 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:19:42,977 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 19:19:42,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:19:42,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:19:42,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:19:42,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:19:42,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:19:42,978 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:19:42,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:19:42,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:19:42,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:19:42,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:19:42,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:19:42,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:19:42,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:19:42,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:19:42,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:19:42,982 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:19:42,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:19:42,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:19:42,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:19:42,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:19:42,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:19:42,984 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 [2024-11-08 19:19:43,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:19:43,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:19:43,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:19:43,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:19:43,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:19:43,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i Unable to find full path for "g++" [2024-11-08 19:19:45,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:19:45,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:19:45,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2024-11-08 19:19:45,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/data/36e10aaf7/391a0063d1e24932b3d981cc6cabf7a4/FLAG01d58dad2 [2024-11-08 19:19:46,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/data/36e10aaf7/391a0063d1e24932b3d981cc6cabf7a4 [2024-11-08 19:19:46,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:19:46,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:19:46,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:19:46,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:19:46,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:19:46,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfa9cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46, skipping insertion in model container [2024-11-08 19:19:46,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:19:46,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:19:46,608 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:19:46,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:19:46,725 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:19:46,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46 WrapperNode [2024-11-08 19:19:46,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:19:46,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:19:46,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:19:46,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:19:46,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,790 INFO L138 Inliner]: procedures = 167, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-08 19:19:46,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:19:46,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:19:46,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:19:46,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:19:46,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,833 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]. [2024-11-08 19:19:46,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:19:46,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:19:46,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:19:46,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:19:46,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (1/1) ... [2024-11-08 19:19:46,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:19:46,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:19:46,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:19:46,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:19:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 19:19:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:19:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 19:19:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 19:19:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:19:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 19:19:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 19:19:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 19:19:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 19:19:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:19:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:19:46,948 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:19:47,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:19:47,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:19:47,254 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:19:47,255 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:19:47,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:19:47,454 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:19:47,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:19:47 BoogieIcfgContainer [2024-11-08 19:19:47,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:19:47,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:19:47,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:19:47,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:19:47,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:19:46" (1/3) ... [2024-11-08 19:19:47,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc4144e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:19:47, skipping insertion in model container [2024-11-08 19:19:47,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:46" (2/3) ... [2024-11-08 19:19:47,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc4144e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:19:47, skipping insertion in model container [2024-11-08 19:19:47,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:19:47" (3/3) ... [2024-11-08 19:19:47,463 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2024-11-08 19:19:47,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:19:47,483 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 19:19:47,483 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:19:47,537 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 19:19:47,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-08 19:19:47,619 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-08 19:19:47,619 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:19:47,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2024-11-08 19:19:47,624 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-08 19:19:47,627 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-08 19:19:47,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:19:47,642 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;@3f56c912, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:19:47,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 19:19:47,650 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:19:47,650 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-08 19:19:47,650 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:19:47,651 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:19:47,651 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:19:47,652 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-08 19:19:47,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:19:47,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-08 19:19:47,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:19:47,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237301942] [2024-11-08 19:19:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:19:47,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:19:47,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:19:47,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:19:47,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:19:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:19:47,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:19:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:19:47,817 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 19:19:47,819 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:19:47,821 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-08 19:19:47,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-08 19:19:47,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-08 19:19:47,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-08 19:19:47,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:19:48,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:19:48,025 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 19:19:48,058 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 19:19:48,058 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:19:48,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:19:48 BasicIcfg [2024-11-08 19:19:48,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:19:48,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:19:48,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:19:48,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:19:48,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:19:47" (3/4) ... [2024-11-08 19:19:48,070 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:19:48,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:19:48,074 INFO L158 Benchmark]: Toolchain (without parser) took 2016.87ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 69.3MB in the end (delta: -23.2MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-08 19:19:48,075 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:19:48,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.01ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 45.9MB in the beginning and 61.7MB in the end (delta: -15.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 19:19:48,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.68ms. Allocated memory is still 94.4MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:19:48,078 INFO L158 Benchmark]: Boogie Preprocessor took 69.02ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 57.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:19:48,079 INFO L158 Benchmark]: RCFGBuilder took 589.03ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 60.0MB in the end (delta: -2.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-11-08 19:19:48,080 INFO L158 Benchmark]: TraceAbstraction took 607.85ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 69.9MB in the end (delta: -11.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-08 19:19:48,082 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 69.3MB in the end (delta: 573.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:19:48,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.01ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 45.9MB in the beginning and 61.7MB in the end (delta: -15.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.68ms. Allocated memory is still 94.4MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.02ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 57.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.03ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 60.0MB in the end (delta: -2.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 607.85ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 69.9MB in the end (delta: -11.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 69.3MB in the end (delta: 573.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id=0, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND TRUE 1 t == 42 [L688] 1 glob1 = 1 [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=1, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_2_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=1, mutex1={3:0}] - UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 698]: 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, 37 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, 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=52occurred 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:19:48,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3483979-7bb5-495d-9aad-77caa8004471/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample