./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/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_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco --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-d790fec [2024-11-27 06:37:01,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:37:02,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-27 06:37:02,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:37:02,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:37:02,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:37:02,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:37:02,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:37:02,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:37:02,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:37:02,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:37:02,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:37:02,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:37:02,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:37:02,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:37:02,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:37:02,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:37:02,097 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:37:02,097 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_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco 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 [2024-11-27 06:37:02,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:37:02,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:37:02,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:37:02,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:37:02,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:37:02,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-11-27 06:37:05,599 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/data/5f5b77fec/61397664d5cb4f6a9784310c4af50574/FLAG10d136225 [2024-11-27 06:37:05,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:37:05,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-11-27 06:37:06,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/data/5f5b77fec/61397664d5cb4f6a9784310c4af50574/FLAG10d136225 [2024-11-27 06:37:06,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/data/5f5b77fec/61397664d5cb4f6a9784310c4af50574 [2024-11-27 06:37:06,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:37:06,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:37:06,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:37:06,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:37:06,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:37:06,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308597cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06, skipping insertion in model container [2024-11-27 06:37:06,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:37:06,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:37:06,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:37:06,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:37:06,698 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:37:06,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06 WrapperNode [2024-11-27 06:37:06,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:37:06,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:37:06,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:37:06,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:37:06,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,755 INFO L138 Inliner]: procedures = 165, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-27 06:37:06,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:37:06,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:37:06,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:37:06,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:37:06,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,782 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:37:06,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:37:06,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:37:06,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:37:06,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (1/1) ... [2024-11-27 06:37:06,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:37:06,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:37:06,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:37:06,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:37:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-27 06:37:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-27 06:37:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-27 06:37:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-27 06:37:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:37:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:37:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-27 06:37:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:37:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:37:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:37:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:37:06,887 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:37:07,066 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:37:07,068 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:37:07,318 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:37:07,319 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:37:07,510 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:37:07,511 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 06:37:07,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:37:07 BoogieIcfgContainer [2024-11-27 06:37:07,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:37:07,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:37:07,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:37:07,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:37:07,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:37:06" (1/3) ... [2024-11-27 06:37:07,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6763300a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:37:07, skipping insertion in model container [2024-11-27 06:37:07,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:06" (2/3) ... [2024-11-27 06:37:07,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6763300a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:37:07, skipping insertion in model container [2024-11-27 06:37:07,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:37:07" (3/3) ... [2024-11-27 06:37:07,528 INFO L128 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2024-11-27 06:37:07,547 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:37:07,550 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. [2024-11-27 06:37:07,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6763300a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 06:37:07, skipping insertion in model container [2024-11-27 06:37:07,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 06:37:07,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 06:37:07,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 06:37:07,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 06:37:07,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:37:07" (3/3) ... [2024-11-27 06:37:07,559 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 06:37:07,563 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-27 06:37:07,569 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-27 06:37:07,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-27 06:37:07,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 06:37:07,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 06:37:07,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/witness.graphml [2024-11-27 06:37:07,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/witness.yml [2024-11-27 06:37:07,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 06:37:07,674 INFO L158 Benchmark]: Toolchain (without parser) took 1624.78ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 37.1MB in the end (delta: 53.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-27 06:37:07,674 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:37:07,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.27ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 70.8MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 06:37:07,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.84ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:37:07,678 INFO L158 Benchmark]: Boogie Preprocessor took 39.87ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 68.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:37:07,678 INFO L158 Benchmark]: RCFGBuilder took 716.14ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 44.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 06:37:07,678 INFO L158 Benchmark]: TraceAbstraction took 36.84ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 41.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:37:07,679 INFO L158 Benchmark]: Witness Printer took 117.45ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 37.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:37:07,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.27ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 70.8MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.84ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.87ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 68.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 716.14ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 44.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 36.84ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 41.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.45ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 37.1MB in the end (delta: 4.2MB). 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! [2024-11-27 06:37:07,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ba94c4f-9145-4257-81db-09e3c812cafc/bin/ugemcutter-verify-fG3NtRWMco/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