./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stateful01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stateful01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd --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 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:30:02,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:30:02,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-13 16:30:02,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:30:02,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:30:02,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:30:02,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:30:02,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:30:02,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:30:02,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:30:02,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:30:02,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:30:02,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:30:02,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:30:02,343 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:30:02,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:30:02,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:30:02,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:30:02,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:30:02,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:30:02,344 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:30:02,344 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:30:02,344 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:30:02,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:30:02,345 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:30:02,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:30:02,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:30:02,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:30:02,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:30:02,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:30:02,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:30:02,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:30:02,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:30:02,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:30:02,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:30:02,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:30:02,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:30:02,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:30:02,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:30:02,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:30:02,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:30:02,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:30:02,349 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_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd 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 -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 [2024-11-13 16:30:02,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:30:02,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:30:02,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:30:02,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:30:02,781 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:30:02,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread/stateful01-1.i Unable to find full path for "g++" [2024-11-13 16:30:05,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:30:05,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:30:05,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/sv-benchmarks/c/pthread/stateful01-1.i [2024-11-13 16:30:05,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/data/df2425054/ab1407d0bfa542c9b57c87d6a773148e/FLAGdadea3421 [2024-11-13 16:30:05,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/data/df2425054/ab1407d0bfa542c9b57c87d6a773148e [2024-11-13 16:30:05,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:30:05,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:30:05,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:30:05,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:30:05,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:30:05,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:30:05" (1/1) ... [2024-11-13 16:30:05,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7967d450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:05, skipping insertion in model container [2024-11-13 16:30:05,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:30:05" (1/1) ... [2024-11-13 16:30:05,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:30:06,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:30:06,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:30:06,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:30:06,324 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:30:06,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06 WrapperNode [2024-11-13 16:30:06,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:30:06,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:30:06,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:30:06,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:30:06,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,374 INFO L138 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-11-13 16:30:06,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:30:06,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:30:06,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:30:06,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:30:06,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,395 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,431 INFO L175 MemorySlicer]: Split 18 memory accesses to 3 slices as follows [2, 8, 8]. 44 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 8, 8]. The 0 writes are split as follows [0, 0, 0]. [2024-11-13 16:30:06,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:30:06,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:30:06,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:30:06,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:30:06,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (1/1) ... [2024-11-13 16:30:06,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:30:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:30:06,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:30:06,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:30:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 16:30:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 16:30:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 16:30:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 16:30:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 16:30:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:30:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 16:30:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 16:30:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 16:30:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:30:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:30:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 16:30:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 16:30:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:30:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:30:06,578 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 16:30:06,804 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:30:06,806 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:30:07,182 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:30:07,182 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:30:07,474 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:30:07,475 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:30:07,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:30:07 BoogieIcfgContainer [2024-11-13 16:30:07,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:30:07,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:30:07,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:30:07,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:30:07,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:30:05" (1/3) ... [2024-11-13 16:30:07,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2d89bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:30:07, skipping insertion in model container [2024-11-13 16:30:07,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:06" (2/3) ... [2024-11-13 16:30:07,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2d89bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:30:07, skipping insertion in model container [2024-11-13 16:30:07,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:30:07" (3/3) ... [2024-11-13 16:30:07,491 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2024-11-13 16:30:07,512 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:30:07,516 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG stateful01-1.i that has 3 procedures, 36 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 16:30:07,516 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:30:07,579 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 16:30:07,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 88 flow [2024-11-13 16:30:07,689 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-13 16:30:07,692 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 16:30:07,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 35 events. 2/35 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2024-11-13 16:30:07,700 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 37 transitions, 88 flow [2024-11-13 16:30:07,703 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 80 flow [2024-11-13 16:30:07,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:30:07,728 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;@124ac379, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:30:07,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 16:30:07,748 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:30:07,749 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-13 16:30:07,749 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 16:30:07,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:07,750 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:07,751 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 16:30:07,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:07,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2001812639, now seen corresponding path program 1 times [2024-11-13 16:30:07,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:07,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015186762] [2024-11-13 16:30:07,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:07,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:08,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:08,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015186762] [2024-11-13 16:30:08,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015186762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:08,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:08,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 16:30:08,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450440094] [2024-11-13 16:30:08,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:08,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:30:08,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:08,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:30:08,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:30:08,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2024-11-13 16:30:08,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:08,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:08,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2024-11-13 16:30:08,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:08,550 INFO L124 PetriNetUnfolderBase]: 182/360 cut-off events. [2024-11-13 16:30:08,551 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-13 16:30:08,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 360 events. 182/360 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1334 event pairs, 182 based on Foata normal form. 3/358 useless extension candidates. Maximal degree in co-relation 671. Up to 337 conditions per place. [2024-11-13 16:30:08,563 INFO L140 encePairwiseOnDemand]: 33/37 looper letters, 21 selfloop transitions, 1 changer transitions 2/30 dead transitions. [2024-11-13 16:30:08,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 116 flow [2024-11-13 16:30:08,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:30:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:30:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2024-11-13 16:30:08,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2024-11-13 16:30:08,589 INFO L175 Difference]: Start difference. First operand has 39 places, 34 transitions, 80 flow. Second operand 3 states and 55 transitions. [2024-11-13 16:30:08,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 116 flow [2024-11-13 16:30:08,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 30 transitions, 108 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 16:30:08,606 INFO L231 Difference]: Finished difference. Result has 35 places, 28 transitions, 62 flow [2024-11-13 16:30:08,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2024-11-13 16:30:08,617 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, -4 predicate places. [2024-11-13 16:30:08,617 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 62 flow [2024-11-13 16:30:08,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:08,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:08,618 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:08,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:30:08,619 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 16:30:08,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:08,620 INFO L85 PathProgramCache]: Analyzing trace with hash 141278532, now seen corresponding path program 1 times [2024-11-13 16:30:08,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:08,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585910937] [2024-11-13 16:30:08,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:08,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:09,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:09,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585910937] [2024-11-13 16:30:09,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585910937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:09,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:09,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:30:09,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31716009] [2024-11-13 16:30:09,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:09,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:30:09,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:09,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:30:09,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:30:09,140 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 37 [2024-11-13 16:30:09,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:09,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:09,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 37 [2024-11-13 16:30:09,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:09,354 INFO L124 PetriNetUnfolderBase]: 102/235 cut-off events. [2024-11-13 16:30:09,358 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 16:30:09,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 235 events. 102/235 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 807 event pairs, 42 based on Foata normal form. 32/259 useless extension candidates. Maximal degree in co-relation 467. Up to 136 conditions per place. [2024-11-13 16:30:09,361 INFO L140 encePairwiseOnDemand]: 29/37 looper letters, 20 selfloop transitions, 8 changer transitions 0/34 dead transitions. [2024-11-13 16:30:09,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 34 transitions, 132 flow [2024-11-13 16:30:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:30:09,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:30:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2024-11-13 16:30:09,366 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5855855855855856 [2024-11-13 16:30:09,366 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 62 flow. Second operand 3 states and 65 transitions. [2024-11-13 16:30:09,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 34 transitions, 132 flow [2024-11-13 16:30:09,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 34 transitions, 131 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:30:09,369 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 77 flow [2024-11-13 16:30:09,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2024-11-13 16:30:09,372 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2024-11-13 16:30:09,372 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 77 flow [2024-11-13 16:30:09,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:09,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:09,373 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:09,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:30:09,374 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 16:30:09,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:09,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1254803712, now seen corresponding path program 2 times [2024-11-13 16:30:09,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:09,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673096751] [2024-11-13 16:30:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:09,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:30:09,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:30:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:30:09,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:30:09,542 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:30:09,544 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-13 16:30:09,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-13 16:30:09,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-13 16:30:09,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-13 16:30:09,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:30:09,548 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-13 16:30:09,613 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:30:09,615 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:30:09,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:30:09 BasicIcfg [2024-11-13 16:30:09,624 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:30:09,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:30:09,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:30:09,626 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:30:09,627 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:30:07" (3/4) ... [2024-11-13 16:30:09,630 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:30:09,631 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:30:09,633 INFO L158 Benchmark]: Toolchain (without parser) took 3869.80ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 48.6MB in the end (delta: 45.2MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 16:30:09,634 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:30:09,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.33ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 73.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:30:09,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.07ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:30:09,636 INFO L158 Benchmark]: Boogie Preprocessor took 86.34ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:30:09,636 INFO L158 Benchmark]: RCFGBuilder took 1011.93ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 91.2MB in the end (delta: -21.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-13 16:30:09,637 INFO L158 Benchmark]: TraceAbstraction took 2145.06ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 48.6MB in the end (delta: 42.0MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-13 16:30:09,637 INFO L158 Benchmark]: Witness Printer took 6.53ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:30:09,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 561.33ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 73.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.07ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.34ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1011.93ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 91.2MB in the end (delta: -21.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2145.06ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 48.6MB in the end (delta: 42.0MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Witness Printer took 6.53ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 20. Possible FailurePath: [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L693] 0 int data1, data2; [L716] 0 pthread_t t1, t2; [L719] 0 data1 = 10 [L720] 0 data2 = 10 [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=-2] [L697] 1 data1++ VAL [\old(arg)={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\old(arg)={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}, t1=-2, t2=-1] [L707] 2 data1+=5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L702] 1 return 0; [L712] 2 return 0; [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1=-2, t2=-1] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1=-2, t2=-1] [L725] COND TRUE 0 data1==16 && data2==5 [L727] CALL 0 reach_error() [L20] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L20] 0 __assert_fail ("0", "stateful01-1.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] - UnprovableResult [Line: 714]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 58 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: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2024-11-13 16:30:09,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/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_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stateful01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd --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 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:30:13,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:30:13,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-13 16:30:13,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:30:13,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:30:13,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:30:13,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:30:13,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:30:13,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:30:13,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:30:13,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:30:13,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:30:13,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:30:13,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:30:13,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:30:13,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:30:13,316 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:30:13,317 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:30:13,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:30:13,317 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:30:13,317 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:30:13,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:30:13,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:30:13,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:30:13,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:30:13,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:30:13,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:30:13,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:30:13,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:30:13,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:30:13,322 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:30:13,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:30:13,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:30:13,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:30:13,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:30:13,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:30:13,323 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_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd 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 -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 [2024-11-13 16:30:13,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:30:13,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:30:13,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:30:13,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:30:13,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:30:13,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread/stateful01-1.i Unable to find full path for "g++" [2024-11-13 16:30:16,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:30:16,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:30:16,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/sv-benchmarks/c/pthread/stateful01-1.i [2024-11-13 16:30:16,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/data/da8357728/52b59b82c0a84722842dc661161359e8/FLAG1a35cc729 [2024-11-13 16:30:16,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/data/da8357728/52b59b82c0a84722842dc661161359e8 [2024-11-13 16:30:16,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:30:16,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:30:16,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:30:16,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:30:16,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:30:16,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:30:16" (1/1) ... [2024-11-13 16:30:16,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dcbae76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:16, skipping insertion in model container [2024-11-13 16:30:16,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:30:16" (1/1) ... [2024-11-13 16:30:16,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:30:17,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:30:17,151 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:30:17,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:30:17,332 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:30:17,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17 WrapperNode [2024-11-13 16:30:17,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:30:17,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:30:17,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:30:17,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:30:17,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,401 INFO L138 Inliner]: procedures = 178, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-13 16:30:17,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:30:17,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:30:17,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:30:17,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:30:17,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,449 INFO L175 MemorySlicer]: Split 18 memory accesses to 3 slices as follows [2, 8, 8]. 44 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 8, 8]. The 0 writes are split as follows [0, 0, 0]. [2024-11-13 16:30:17,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:30:17,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:30:17,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:30:17,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:30:17,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (1/1) ... [2024-11-13 16:30:17,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:30:17,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:30:17,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:30:17,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:30:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 16:30:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 16:30:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 16:30:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 16:30:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 16:30:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:30:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 16:30:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 16:30:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 16:30:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-13 16:30:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-13 16:30:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-13 16:30:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:30:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 16:30:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 16:30:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-13 16:30:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-13 16:30:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-13 16:30:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 16:30:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:30:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:30:17,578 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 16:30:17,813 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:30:17,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:30:18,181 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:30:18,181 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:30:18,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:30:18,632 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:30:18,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:30:18 BoogieIcfgContainer [2024-11-13 16:30:18,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:30:18,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:30:18,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:30:18,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:30:18,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:30:16" (1/3) ... [2024-11-13 16:30:18,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb2d572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:30:18, skipping insertion in model container [2024-11-13 16:30:18,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:30:17" (2/3) ... [2024-11-13 16:30:18,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb2d572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:30:18, skipping insertion in model container [2024-11-13 16:30:18,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:30:18" (3/3) ... [2024-11-13 16:30:18,650 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2024-11-13 16:30:18,670 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:30:18,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG stateful01-1.i that has 3 procedures, 36 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 16:30:18,672 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:30:18,751 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 16:30:18,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 88 flow [2024-11-13 16:30:18,873 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-13 16:30:18,877 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 16:30:18,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 35 events. 2/35 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2024-11-13 16:30:18,883 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 37 transitions, 88 flow [2024-11-13 16:30:18,887 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 80 flow [2024-11-13 16:30:18,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:30:18,957 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;@6b9248f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:30:18,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 16:30:18,989 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:30:18,990 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-13 16:30:18,990 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 16:30:18,990 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:18,991 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:18,991 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 16:30:19,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:19,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1101623265, now seen corresponding path program 1 times [2024-11-13 16:30:19,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:30:19,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417306353] [2024-11-13 16:30:19,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:19,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:30:19,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:30:19,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:30:19,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:30:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:19,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:30:19,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:30:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:19,371 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:30:19,372 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:30:19,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417306353] [2024-11-13 16:30:19,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417306353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:19,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:19,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 16:30:19,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459956220] [2024-11-13 16:30:19,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:19,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:30:19,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:30:19,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:30:19,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:30:19,436 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2024-11-13 16:30:19,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:19,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:19,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2024-11-13 16:30:19,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:19,696 INFO L124 PetriNetUnfolderBase]: 182/360 cut-off events. [2024-11-13 16:30:19,697 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-13 16:30:19,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 360 events. 182/360 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1334 event pairs, 182 based on Foata normal form. 3/358 useless extension candidates. Maximal degree in co-relation 671. Up to 337 conditions per place. [2024-11-13 16:30:19,710 INFO L140 encePairwiseOnDemand]: 33/37 looper letters, 21 selfloop transitions, 1 changer transitions 2/30 dead transitions. [2024-11-13 16:30:19,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 116 flow [2024-11-13 16:30:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:30:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:30:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2024-11-13 16:30:19,732 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2024-11-13 16:30:19,734 INFO L175 Difference]: Start difference. First operand has 39 places, 34 transitions, 80 flow. Second operand 3 states and 55 transitions. [2024-11-13 16:30:19,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 116 flow [2024-11-13 16:30:19,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 30 transitions, 108 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 16:30:19,751 INFO L231 Difference]: Finished difference. Result has 35 places, 28 transitions, 62 flow [2024-11-13 16:30:19,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2024-11-13 16:30:19,761 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, -4 predicate places. [2024-11-13 16:30:19,762 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 62 flow [2024-11-13 16:30:19,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:19,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:19,763 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:19,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:30:19,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:30:19,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 16:30:19,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:19,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1332809924, now seen corresponding path program 1 times [2024-11-13 16:30:19,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:30:19,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986939891] [2024-11-13 16:30:19,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:19,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:30:19,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:30:19,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:30:19,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:30:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:20,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:30:20,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:30:20,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-13 16:30:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:20,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:30:20,249 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:30:20,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986939891] [2024-11-13 16:30:20,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986939891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:20,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:20,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:30:20,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924117243] [2024-11-13 16:30:20,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:20,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:30:20,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:30:20,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:30:20,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:30:20,256 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 37 [2024-11-13 16:30:20,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:20,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:20,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 37 [2024-11-13 16:30:20,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:20,474 INFO L124 PetriNetUnfolderBase]: 102/235 cut-off events. [2024-11-13 16:30:20,475 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 16:30:20,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 235 events. 102/235 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 807 event pairs, 42 based on Foata normal form. 32/259 useless extension candidates. Maximal degree in co-relation 467. Up to 136 conditions per place. [2024-11-13 16:30:20,480 INFO L140 encePairwiseOnDemand]: 29/37 looper letters, 20 selfloop transitions, 8 changer transitions 0/34 dead transitions. [2024-11-13 16:30:20,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 34 transitions, 132 flow [2024-11-13 16:30:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:30:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:30:20,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2024-11-13 16:30:20,484 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5855855855855856 [2024-11-13 16:30:20,486 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 62 flow. Second operand 3 states and 65 transitions. [2024-11-13 16:30:20,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 34 transitions, 132 flow [2024-11-13 16:30:20,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 34 transitions, 131 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:30:20,488 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 77 flow [2024-11-13 16:30:20,488 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2024-11-13 16:30:20,489 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2024-11-13 16:30:20,489 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 77 flow [2024-11-13 16:30:20,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:20,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:20,492 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:20,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:30:20,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:30:20,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 16:30:20,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:20,696 INFO L85 PathProgramCache]: Analyzing trace with hash -63272320, now seen corresponding path program 2 times [2024-11-13 16:30:20,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:30:20,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101851236] [2024-11-13 16:30:20,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:30:20,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:30:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:30:20,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:30:20,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:30:20,881 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 16:30:20,881 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-13 16:30:20,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:30:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:30:20,995 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 16:30:20,995 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:30:20,996 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-13 16:30:20,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-13 16:30:20,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-13 16:30:21,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-13 16:30:21,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:30:21,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:30:21,201 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-13 16:30:21,260 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:30:21,260 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:30:21,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:30:21 BasicIcfg [2024-11-13 16:30:21,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:30:21,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:30:21,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:30:21,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:30:21,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:30:18" (3/4) ... [2024-11-13 16:30:21,280 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:30:21,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:30:21,283 INFO L158 Benchmark]: Toolchain (without parser) took 4619.97ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 91.1MB in the beginning and 218.5MB in the end (delta: -127.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-13 16:30:21,284 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:30:21,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.11ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 69.5MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:30:21,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.33ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:30:21,286 INFO L158 Benchmark]: Boogie Preprocessor took 85.22ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:30:21,287 INFO L158 Benchmark]: RCFGBuilder took 1143.62ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 54.4MB in the end (delta: 11.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-13 16:30:21,288 INFO L158 Benchmark]: TraceAbstraction took 2635.15ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 53.9MB in the beginning and 218.5MB in the end (delta: -164.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:30:21,289 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 268.4MB. Free memory was 218.5MB in the beginning and 218.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:30:21,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.11ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 69.5MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.33ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.22ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1143.62ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 54.4MB in the end (delta: 11.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2635.15ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 53.9MB in the beginning and 218.5MB in the end (delta: -164.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 268.4MB. Free memory was 218.5MB in the beginning and 218.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 20. Possible FailurePath: [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L692] 0 pthread_mutex_t ma, mb; [L693] 0 int data1, data2; [L716] 0 pthread_t t1, t2; [L719] 0 data1 = 10 [L720] 0 data2 = 10 [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=-1] [L697] 1 data1++ VAL [\old(arg)={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\old(arg)={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}, t1=-1, t2=0] [L707] 2 data1+=5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L702] 1 return 0; [L712] 2 return 0; [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1=-1, t2=0] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1=-1, t2=0] [L725] COND TRUE 0 data1==16 && data2==5 [L727] CALL 0 reach_error() [L20] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L20] 0 __assert_fail ("0", "stateful01-1.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] - UnprovableResult [Line: 714]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 58 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: 2.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, InterpolantAutomatonStates: 6, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2024-11-13 16:30:21,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb7d377-dbdf-4323-a5c0-3f55c1dbb52f/bin/uautomizer-verify-qhAvR1uOyd/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