./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F --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 ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:21:30,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:21:30,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-13 12:21:30,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:21:30,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:21:30,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:21:30,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:21:30,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:21:30,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:21:30,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:21:30,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:21:30,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:21:30,447 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:21:30,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:21:30,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:21:30,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:21:30,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:21:30,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:21:30,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:21:30,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:21:30,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:21:30,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:21:30,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:21:30,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:21:30,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:21:30,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:21:30,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:21:30,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:21:30,453 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 12:21:30,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:21:30,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:21:30,454 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 12:21:30,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:21:30,454 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:21:30,454 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:21:30,454 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_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F 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 -> ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 [2024-11-13 12:21:30,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:21:30,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:21:30,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:21:30,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:21:30,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:21:30,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i Unable to find full path for "g++" [2024-11-13 12:21:32,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:21:33,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:21:33,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-13 12:21:33,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/data/cd9ac80c9/93bdb18c43904d1cb8c04e3b0d9e0fce/FLAG7484ca386 [2024-11-13 12:21:33,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/data/cd9ac80c9/93bdb18c43904d1cb8c04e3b0d9e0fce [2024-11-13 12:21:33,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:21:33,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:21:33,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:21:33,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:21:33,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:21:33,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d77715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33, skipping insertion in model container [2024-11-13 12:21:33,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:21:33,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:21:33,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:21:33,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:21:33,632 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:21:33,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33 WrapperNode [2024-11-13 12:21:33,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:21:33,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:21:33,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:21:33,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:21:33,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,670 INFO L138 Inliner]: procedures = 163, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-13 12:21:33,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:21:33,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:21:33,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:21:33,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:21:33,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:21:33,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:21:33,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:21:33,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:21:33,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (1/1) ... [2024-11-13 12:21:33,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:21:33,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:21:33,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:21:33,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:21:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-13 12:21:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-13 12:21:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:21:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-13 12:21:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-13 12:21:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-13 12:21:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:21:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:21:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:21:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-13 12:21:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-13 12:21:33,786 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 12:21:33,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:21:33,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:21:34,219 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:21:34,219 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:21:34,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:21:34,462 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 12:21:34,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:21:34 BoogieIcfgContainer [2024-11-13 12:21:34,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:21:34,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:21:34,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:21:34,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:21:34,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:21:33" (1/3) ... [2024-11-13 12:21:34,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfaf953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:21:34, skipping insertion in model container [2024-11-13 12:21:34,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:21:33" (2/3) ... [2024-11-13 12:21:34,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfaf953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:21:34, skipping insertion in model container [2024-11-13 12:21:34,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:21:34" (3/3) ... [2024-11-13 12:21:34,473 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-11-13 12:21:34,491 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:21:34,493 INFO L154 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. [2024-11-13 12:21:34,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfaf953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:21:34, skipping insertion in model container [2024-11-13 12:21:34,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:21:34,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:21:34,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:21:34,496 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:21:34,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:21:34" (3/3) ... [2024-11-13 12:21:34,500 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:21:34,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-11-13 12:21:34,505 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-11-13 12:21:34,509 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-11-13 12:21:34,510 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 12:21:34,510 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 12:21:34,510 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:21:34,617 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/witness.graphml [2024-11-13 12:21:34,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/witness.yml [2024-11-13 12:21:34,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:21:34,620 INFO L158 Benchmark]: Toolchain (without parser) took 1474.63ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 36.9MB in the end (delta: 53.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 12:21:34,623 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 83.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:21:34,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.35ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 71.0MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:21:34,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.65ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:21:34,626 INFO L158 Benchmark]: Boogie Preprocessor took 27.16ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 68.5MB in the end (delta: 787.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:21:34,641 INFO L158 Benchmark]: RCFGBuilder took 764.02ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 43.7MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 12:21:34,642 INFO L158 Benchmark]: TraceAbstraction took 29.63ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 41.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:21:34,642 INFO L158 Benchmark]: Witness Printer took 122.55ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 36.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:21:34,647 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 83.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.35ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 71.0MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.65ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.16ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 68.5MB in the end (delta: 787.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 764.02ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 43.7MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 29.63ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 41.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 122.55ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 36.9MB 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! [2024-11-13 12:21:34,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f23ffd-36d3-41b5-a5dd-fa2af9f0a300/bin/ugemcutter-verify-yV71Fz5F0F/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