./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB --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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:46:47,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:46:47,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 03:46:47,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:46:47,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:46:47,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:46:47,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:46:47,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:46:47,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:46:47,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:46:47,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:46:47,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:46:47,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:46:47,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:46:47,456 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:46:47,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:46:47,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:46:47,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:46:47,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:46:47,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:46:47,457 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:46:47,457 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:46:47,457 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:46:47,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:46:47,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:46:47,457 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:46:47,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:46:47,458 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:46:47,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:46:47,458 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:46:47,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:46:47,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:46:47,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:46:47,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:47,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:46:47,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:46:47,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:46:47,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:46:47,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:47,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:46:47,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:46:47,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:46:47,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:46:47,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:46:47,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:46:47,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:46:47,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:46:47,461 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_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB 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 -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d [2024-11-28 03:46:47,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:46:47,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:46:47,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:46:47,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:46:47,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:46:47,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-28 03:46:50,675 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data/c25623a88/f02cccae13a549f48fd26f6ebce178fd/FLAGcb77f59e2 [2024-11-28 03:46:51,027 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:46:51,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-28 03:46:51,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data/c25623a88/f02cccae13a549f48fd26f6ebce178fd/FLAGcb77f59e2 [2024-11-28 03:46:51,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data/c25623a88/f02cccae13a549f48fd26f6ebce178fd [2024-11-28 03:46:51,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:46:51,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:46:51,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:46:51,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:46:51,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:46:51,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4c3af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51, skipping insertion in model container [2024-11-28 03:46:51,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:46:51,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:46:51,408 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:46:51,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:46:51,483 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:46:51,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51 WrapperNode [2024-11-28 03:46:51,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:46:51,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:46:51,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:46:51,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:46:51,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,527 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-28 03:46:51,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:46:51,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:46:51,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:46:51,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:46:51,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,557 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]. [2024-11-28 03:46:51,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,567 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:46:51,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:46:51,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:46:51,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:46:51,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (1/1) ... [2024-11-28 03:46:51,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:51,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:46:51,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:46:51,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 03:46:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 03:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:46:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:46:51,668 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:46:51,842 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:46:51,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:46:52,034 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:46:52,034 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:46:52,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:46:52,149 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:46:52,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:52 BoogieIcfgContainer [2024-11-28 03:46:52,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:46:52,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:46:52,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:46:52,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:46:52,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:46:51" (1/3) ... [2024-11-28 03:46:52,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562210a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:46:52, skipping insertion in model container [2024-11-28 03:46:52,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:51" (2/3) ... [2024-11-28 03:46:52,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562210a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:46:52, skipping insertion in model container [2024-11-28 03:46:52,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:52" (3/3) ... [2024-11-28 03:46:52,160 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2024-11-28 03:46:52,176 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:46:52,178 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_18-first-reads_unknown_1_neg.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:46:52,178 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:46:52,218 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 03:46:52,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-28 03:46:52,291 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-28 03:46:52,293 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:46:52,297 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. [2024-11-28 03:46:52,297 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-28 03:46:52,304 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-28 03:46:52,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:46:52,333 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;@2d6aadd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:46:52,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 03:46:52,342 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:46:52,342 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-28 03:46:52,342 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:46:52,342 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:46:52,343 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:46:52,343 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)] === [2024-11-28 03:46:52,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:52,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-28 03:46:52,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:52,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293058946] [2024-11-28 03:46:52,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:52,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:46:52,494 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:46:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:46:52,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:46:52,548 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:46:52,549 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-28 03:46:52,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-28 03:46:52,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-28 03:46:52,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-28 03:46:52,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:46:52,555 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:46:52,583 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:46:52,583 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:46:52,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:46:52 BasicIcfg [2024-11-28 03:46:52,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:46:52,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:46:52,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:46:52,591 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:46:52,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:52" (3/4) ... [2024-11-28 03:46:52,593 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:46:52,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:46:52,595 INFO L158 Benchmark]: Toolchain (without parser) took 1530.62ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.9MB in the end (delta: 9.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-28 03:46:52,595 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:46:52,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.11ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 74.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:46:52,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.10ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:46:52,596 INFO L158 Benchmark]: Boogie Preprocessor took 53.41ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:46:52,596 INFO L158 Benchmark]: RCFGBuilder took 568.10ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 51.6MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:46:52,597 INFO L158 Benchmark]: TraceAbstraction took 438.24ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 84.5MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:46:52,597 INFO L158 Benchmark]: Witness Printer took 3.24ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.9MB in the end (delta: 613.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:46:52,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.11ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 74.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.10ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.41ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 568.10ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 51.6MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 438.24ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 84.5MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.24ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.9MB in the end (delta: 613.2kB). 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=-1, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=0, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:46:52,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB --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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:46:55,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:46:55,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 03:46:55,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:46:55,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:46:55,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:46:55,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:46:55,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:46:55,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:46:55,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:46:55,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:46:55,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:46:55,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:46:55,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:46:55,354 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:46:55,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:46:55,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:46:55,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:46:55,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:46:55,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:46:55,354 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:46:55,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:46:55,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:46:55,356 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:46:55,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:46:55,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:46:55,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:46:55,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:55,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:46:55,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:46:55,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:46:55,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:46:55,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:55,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:46:55,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:46:55,363 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:46:55,364 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:46:55,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:46:55,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:46:55,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:46:55,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:46:55,364 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_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB 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 -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d [2024-11-28 03:46:55,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:46:55,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:46:55,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:46:55,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:46:55,686 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:46:55,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-28 03:46:58,530 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data/ffdc8bca6/7164fbd2ed434fd29e7d7a3960ff2494/FLAGe2d155f13 [2024-11-28 03:46:58,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:46:58,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-28 03:46:58,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data/ffdc8bca6/7164fbd2ed434fd29e7d7a3960ff2494/FLAGe2d155f13 [2024-11-28 03:46:58,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/data/ffdc8bca6/7164fbd2ed434fd29e7d7a3960ff2494 [2024-11-28 03:46:58,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:46:58,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:46:58,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:46:58,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:46:58,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:46:58,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:46:58" (1/1) ... [2024-11-28 03:46:58,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec2932a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:58, skipping insertion in model container [2024-11-28 03:46:58,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:46:58" (1/1) ... [2024-11-28 03:46:58,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:46:59,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:46:59,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:46:59,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:46:59,613 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:46:59,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59 WrapperNode [2024-11-28 03:46:59,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:46:59,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:46:59,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:46:59,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:46:59,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,686 INFO L138 Inliner]: procedures = 167, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-28 03:46:59,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:46:59,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:46:59,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:46:59,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:46:59,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,703 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,735 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]. [2024-11-28 03:46:59,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,750 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:46:59,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:46:59,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:46:59,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:46:59,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (1/1) ... [2024-11-28 03:46:59,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:59,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:46:59,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:46:59,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:46:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:46:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:46:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 03:46:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 03:46:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:46:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:46:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 03:46:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 03:46:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:46:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:46:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:46:59,874 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:47:00,058 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:47:00,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:47:00,321 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:47:00,321 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:47:00,588 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:47:00,589 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:47:00,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:47:00 BoogieIcfgContainer [2024-11-28 03:47:00,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:47:00,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:47:00,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:47:00,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:47:00,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:46:58" (1/3) ... [2024-11-28 03:47:00,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542780f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:47:00, skipping insertion in model container [2024-11-28 03:47:00,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:59" (2/3) ... [2024-11-28 03:47:00,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542780f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:47:00, skipping insertion in model container [2024-11-28 03:47:00,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:47:00" (3/3) ... [2024-11-28 03:47:00,606 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2024-11-28 03:47:00,625 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:47:00,627 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_18-first-reads_unknown_1_neg.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:47:00,628 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:47:00,706 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 03:47:00,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-28 03:47:00,804 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-28 03:47:00,807 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:47:00,810 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. [2024-11-28 03:47:00,810 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-28 03:47:00,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-28 03:47:00,826 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:47:00,838 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;@49212f24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:47:00,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 03:47:00,850 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:47:00,851 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-28 03:47:00,851 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:47:00,851 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:47:00,852 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:47:00,853 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)] === [2024-11-28 03:47:00,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:47:00,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-28 03:47:00,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:47:00,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752204574] [2024-11-28 03:47:00,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:47:00,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:47:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:47:00,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:47:00,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:47:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:47:01,023 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:47:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:47:01,082 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 03:47:01,084 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:47:01,085 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-28 03:47:01,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-28 03:47:01,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-28 03:47:01,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-28 03:47:01,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:47:01,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:47:01,292 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:47:01,315 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:47:01,315 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:47:01,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:47:01 BasicIcfg [2024-11-28 03:47:01,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:47:01,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:47:01,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:47:01,322 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:47:01,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:47:00" (3/4) ... [2024-11-28 03:47:01,324 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:47:01,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:47:01,326 INFO L158 Benchmark]: Toolchain (without parser) took 2409.37ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 64.3MB in the end (delta: 27.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-28 03:47:01,326 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:47:01,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.98ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.2MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:47:01,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.74ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:47:01,328 INFO L158 Benchmark]: Boogie Preprocessor took 78.52ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:47:01,328 INFO L158 Benchmark]: RCFGBuilder took 823.45ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 85.4MB in the end (delta: -17.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-28 03:47:01,328 INFO L158 Benchmark]: TraceAbstraction took 728.52ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 64.3MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:47:01,329 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:47:01,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.98ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.2MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.74ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.52ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 823.45ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 85.4MB in the end (delta: -17.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * TraceAbstraction took 728.52ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 64.3MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory is still 64.3MB. 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 FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=0, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:47:01,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea7d6b1-04ae-4574-86af-90287a39b6ee/bin/uautomizer-verify-aQ6SnzHsRB/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