./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e523f48 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-5e523f4 [2024-11-21 00:50:44,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 00:50:44,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-21 00:50:44,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 00:50:44,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 00:50:44,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 00:50:44,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 00:50:44,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 00:50:44,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 00:50:44,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 00:50:44,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 00:50:44,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 00:50:44,940 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 00:50:44,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 00:50:44,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 00:50:44,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 00:50:44,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 00:50:44,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 00:50:44,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 00:50:44,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 00:50:44,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 00:50:44,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 00:50:44,942 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-21 00:50:44,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-21 00:50:44,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 00:50:44,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 00:50:44,943 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 00:50:44,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 00:50:44,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 00:50:44,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 00:50:44,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 00:50:44,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 00:50:44,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:50:44,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 00:50:44,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 00:50:44,944 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 00:50:44,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 00:50:44,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 00:50:44,945 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 00:50:44,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 00:50:44,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 00:50:44,945 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-21 00:50:44,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 00:50:44,945 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 00:50:44,946 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 00:50:44,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y 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 -> GemCutter 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 -> 530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236 [2024-11-21 00:50:45,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 00:50:45,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 00:50:45,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 00:50:45,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 00:50:45,276 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 00:50:45,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-11-21 00:50:48,480 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/data/4c322f7cf/050173e5220c4770bca2b55505216ea7/FLAG3ad6499e9 [2024-11-21 00:50:48,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 00:50:48,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-11-21 00:50:48,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/data/4c322f7cf/050173e5220c4770bca2b55505216ea7/FLAG3ad6499e9 [2024-11-21 00:50:48,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/data/4c322f7cf/050173e5220c4770bca2b55505216ea7 [2024-11-21 00:50:48,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 00:50:48,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 00:50:48,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 00:50:48,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 00:50:48,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 00:50:48,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:50:48" (1/1) ... [2024-11-21 00:50:48,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cdc87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:48, skipping insertion in model container [2024-11-21 00:50:48,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:50:48" (1/1) ... [2024-11-21 00:50:49,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 00:50:49,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:50:49,459 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 00:50:49,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:50:49,540 INFO L204 MainTranslator]: Completed translation [2024-11-21 00:50:49,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49 WrapperNode [2024-11-21 00:50:49,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 00:50:49,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 00:50:49,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 00:50:49,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 00:50:49,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,594 INFO L138 Inliner]: procedures = 165, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-21 00:50:49,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 00:50:49,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 00:50:49,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 00:50:49,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 00:50:49,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,613 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 00:50:49,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 00:50:49,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 00:50:49,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 00:50:49,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (1/1) ... [2024-11-21 00:50:49,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:50:49,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:50:49,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 00:50:49,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 00:50:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-21 00:50:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-21 00:50:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-21 00:50:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-21 00:50:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 00:50:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 00:50:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-21 00:50:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 00:50:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 00:50:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 00:50:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 00:50:49,717 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 00:50:49,884 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 00:50:49,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 00:50:50,085 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 00:50:50,085 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 00:50:50,330 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 00:50:50,330 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 00:50:50,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:50:50 BoogieIcfgContainer [2024-11-21 00:50:50,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 00:50:50,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 00:50:50,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 00:50:50,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 00:50:50,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:50:48" (1/3) ... [2024-11-21 00:50:50,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5f72fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:50:50, skipping insertion in model container [2024-11-21 00:50:50,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:49" (2/3) ... [2024-11-21 00:50:50,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5f72fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:50:50, skipping insertion in model container [2024-11-21 00:50:50,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:50:50" (3/3) ... [2024-11-21 00:50:50,349 INFO L128 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2024-11-21 00:50:50,369 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 00:50:50,372 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 18_read_write_lock.i that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-21 00:50:50,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5f72fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:50:50, skipping insertion in model container [2024-11-21 00:50:50,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 00:50:50,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 00:50:50,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 00:50:50,377 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 00:50:50,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:50:50" (3/3) ... [2024-11-21 00:50:50,382 INFO L144 WitnessPrinter]: Generating witness for correct program [2024-11-21 00:50:50,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-21 00:50:50,393 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-21 00:50:50,393 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-21 00:50:50,394 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-21 00:50:50,394 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-21 00:50:50,477 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/witness.graphml [2024-11-21 00:50:50,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/witness.yml [2024-11-21 00:50:50,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 00:50:50,481 INFO L158 Benchmark]: Toolchain (without parser) took 1505.35ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 64.2MB in the end (delta: 53.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-21 00:50:50,483 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:50:50,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.46ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 98.4MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-21 00:50:50,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.91ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:50:50,484 INFO L158 Benchmark]: Boogie Preprocessor took 33.98ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.7MB in the end (delta: 981.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 00:50:50,485 INFO L158 Benchmark]: RCFGBuilder took 701.16ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 71.2MB in the end (delta: 24.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-21 00:50:50,485 INFO L158 Benchmark]: TraceAbstraction took 38.06ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:50:50,485 INFO L158 Benchmark]: Witness Printer took 101.63ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 64.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:50:50,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.46ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 98.4MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.91ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.98ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.7MB in the end (delta: 981.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 701.16ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 71.2MB in the end (delta: 24.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 38.06ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.63ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 64.2MB in the end (delta: 4.1MB). There was no memory consumed. 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! [2024-11-21 00:50:50,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1461db19-7795-4e5c-b04e-84186d3df4a2/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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