./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:09:14,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:09:14,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 05:09:14,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:09:14,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:09:15,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:09:15,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:09:15,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:09:15,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:09:15,019 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:09:15,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:09:15,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:09:15,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:09:15,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:09:15,021 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:09:15,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:09:15,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:09:15,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:09:15,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:09:15,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:09:15,024 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:09:15,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:09:15,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:09:15,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:09:15,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:15,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:09:15,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:09:15,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:09:15,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:09:15,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:15,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:09:15,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:09:15,026 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:09:15,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:09:15,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:09:15,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:09:15,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:09:15,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:09:15,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:09:15,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:09:15,028 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_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) 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 -> ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 [2024-11-28 05:09:15,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:09:15,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:09:15,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:09:15,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:09:15,399 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:09:15,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-28 05:09:18,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/data/e65b4f40c/01e637ee91574a078a019aabf77a7485/FLAGf822063fd [2024-11-28 05:09:19,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:09:19,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-28 05:09:19,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/data/e65b4f40c/01e637ee91574a078a019aabf77a7485/FLAGf822063fd [2024-11-28 05:09:19,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/data/e65b4f40c/01e637ee91574a078a019aabf77a7485 [2024-11-28 05:09:19,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:09:19,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:09:19,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:09:19,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:09:19,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:09:19,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce3f1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19, skipping insertion in model container [2024-11-28 05:09:19,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:09:19,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:09:19,552 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:09:19,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:09:19,640 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:09:19,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19 WrapperNode [2024-11-28 05:09:19,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:09:19,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:09:19,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:09:19,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:09:19,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,687 INFO L138 Inliner]: procedures = 163, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-28 05:09:19,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:09:19,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:09:19,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:09:19,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:09:19,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,718 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 11]. The 0 writes are split as follows [0, 0]. [2024-11-28 05:09:19,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:09:19,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:09:19,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:09:19,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:09:19,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:19,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:09:19,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:09:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-28 05:09:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-28 05:09:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:09:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-28 05:09:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-28 05:09:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-28 05:09:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:09:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:09:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:09:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:09:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-28 05:09:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-28 05:09:19,831 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:09:20,041 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:09:20,045 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:09:20,263 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:09:20,264 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:09:20,482 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:09:20,484 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:09:20,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:20 BoogieIcfgContainer [2024-11-28 05:09:20,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:09:20,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:09:20,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:09:20,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:09:20,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:09:19" (1/3) ... [2024-11-28 05:09:20,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d905ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:09:20, skipping insertion in model container [2024-11-28 05:09:20,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19" (2/3) ... [2024-11-28 05:09:20,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d905ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:09:20, skipping insertion in model container [2024-11-28 05:09:20,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:20" (3/3) ... [2024-11-28 05:09:20,504 INFO L128 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-11-28 05:09:20,525 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:09:20,527 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG read_write_lock-1.i that has 3 procedures, 27 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-28 05:09:20,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d905ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:09:20, skipping insertion in model container [2024-11-28 05:09:20,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:09:20,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:09:20,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:09:20,531 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:09:20,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:20" (3/3) ... [2024-11-28 05:09:20,535 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:09:20,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-11-28 05:09:20,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-11-28 05:09:20,545 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-11-28 05:09:20,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 05:09:20,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 05:09:20,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:09:20,653 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:09:20,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:09:20,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:09:20,660 INFO L158 Benchmark]: Toolchain (without parser) took 1619.05ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-11-28 05:09:20,660 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:20,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.76ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.7MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:09:20,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.03ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:09:20,662 INFO L158 Benchmark]: Boogie Preprocessor took 45.18ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:20,662 INFO L158 Benchmark]: RCFGBuilder took 754.13ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 43.9MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:09:20,663 INFO L158 Benchmark]: TraceAbstraction took 38.02ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 41.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:20,663 INFO L158 Benchmark]: Witness Printer took 123.76ms. Allocated memory is still 117.4MB. Free memory was 41.1MB in the beginning and 89.2MB in the end (delta: -48.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-28 05:09:20,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.76ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.7MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.03ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.18ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 754.13ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 43.9MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 38.02ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 41.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 123.76ms. Allocated memory is still 117.4MB. Free memory was 41.1MB in the beginning and 89.2MB in the end (delta: -48.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-28 05:09:20,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2854478-9389-40c7-b491-3c3c4f3f1c6d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE