./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:54:16,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:54:16,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-12-02 07:54:16,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:54:16,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:54:16,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:54:16,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:54:16,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:54:16,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:54:16,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:54:16,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:54:16,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:54:16,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:54:16,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:54:16,132 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:54:16,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 07:54:16,133 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:54:16,134 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:54:16,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:54:16,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:54:16,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:54:16,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:54:16,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:54:16,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:54:16,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:54:16,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:54:16,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:54:16,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:54:16,136 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_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2024-12-02 07:54:16,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:54:16,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:54:16,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:54:16,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:54:16,379 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:54:16,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2024-12-02 07:54:19,000 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/data/876c4d770/8a1343c1b1d742fab62e4d98a3d4eddd/FLAG6dd864d81 [2024-12-02 07:54:19,196 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:54:19,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2024-12-02 07:54:19,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/data/876c4d770/8a1343c1b1d742fab62e4d98a3d4eddd/FLAG6dd864d81 [2024-12-02 07:54:19,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/data/876c4d770/8a1343c1b1d742fab62e4d98a3d4eddd [2024-12-02 07:54:19,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:54:19,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:54:19,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:54:19,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:54:19,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:54:19,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15097311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19, skipping insertion in model container [2024-12-02 07:54:19,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:54:19,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:54:19,685 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:54:19,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:54:19,700 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:54:19,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19 WrapperNode [2024-12-02 07:54:19,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:54:19,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:54:19,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:54:19,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:54:19,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,718 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2024-12-02 07:54:19,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:54:19,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:54:19,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:54:19,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:54:19,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,729 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 07:54:19,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:54:19,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:54:19,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:54:19,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:54:19,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (1/1) ... [2024-12-02 07:54:19,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:54:19,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:54:19,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:54:19,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:54:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:54:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:54:19,829 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:54:19,830 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:54:19,869 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-12-02 07:54:19,869 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:54:19,876 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:54:19,876 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 07:54:19,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:19 BoogieIcfgContainer [2024-12-02 07:54:19,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:54:19,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:54:19,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:54:19,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:54:19,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:54:19" (1/3) ... [2024-12-02 07:54:19,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7eda39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:54:19, skipping insertion in model container [2024-12-02 07:54:19,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:19" (2/3) ... [2024-12-02 07:54:19,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7eda39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:54:19, skipping insertion in model container [2024-12-02 07:54:19,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:19" (3/3) ... [2024-12-02 07:54:19,885 INFO L128 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2024-12-02 07:54:19,900 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:54:19,902 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Cairo_step2-3.c that has 1 procedures, 9 locations, 1 initial locations, 1 loop locations, and 0 error locations. [2024-12-02 07:54:19,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7eda39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:54:19, skipping insertion in model container [2024-12-02 07:54:19,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:54:19,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:54:19,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:54:19,904 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:54:19,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:19" (3/3) ... [2024-12-02 07:54:19,907 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 07:54:19,913 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 07:54:19,913 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 07:54:19,913 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 07:54:19,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:54:19,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:54:19,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:54:19,979 INFO L158 Benchmark]: Toolchain (without parser) took 401.34ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 90.6MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 07:54:19,979 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:54:19,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 123.43ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:54:19,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.23ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.0MB in the end (delta: 814.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:54:19,980 INFO L158 Benchmark]: Boogie Preprocessor took 15.97ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.0MB in the end (delta: 804.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:54:19,981 INFO L158 Benchmark]: RCFGBuilder took 140.48ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 97.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:54:19,981 INFO L158 Benchmark]: TraceAbstraction took 25.03ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 94.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:54:19,981 INFO L158 Benchmark]: Witness Printer took 74.01ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 90.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:54:19,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 123.43ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.23ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.0MB in the end (delta: 814.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.97ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.0MB in the end (delta: 804.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 140.48ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 97.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25.03ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 94.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 74.01ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 90.6MB 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! [2024-12-02 07:54:19,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65abcea0-f25e-4da4-b668-ae41286f6c02/bin/uautomizer-verify-84ZbGMXZE1/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