./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test_union_cast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test_union_cast.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 875e0e748b960f3d62b67d726d26e4717d072c7e6207f8e7e9767eeeb5eb8509 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:34:26,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:34:26,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:34:26,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:34:26,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:34:26,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:34:26,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:34:26,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:34:26,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:34:26,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:34:26,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:34:26,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:34:26,276 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:34:26,277 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:34:26,277 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:34:26,277 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:34:26,277 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:34:26,277 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:34:26,277 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:34:26,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:34:26,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:34:26,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:34:26,279 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:34:26,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:34:26,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:34:26,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:34:26,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:26,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:34:26,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:34:26,280 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:34:26,280 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 875e0e748b960f3d62b67d726d26e4717d072c7e6207f8e7e9767eeeb5eb8509 [2024-11-28 03:34:26,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:34:26,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:34:26,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:34:26,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:34:26,582 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:34:26,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-regression/test_union_cast.i [2024-11-28 03:34:29,728 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/data/3d0793e0d/1ab420a019d94e0f8e7ab9c9d5bc68c4/FLAG389a28b48 [2024-11-28 03:34:29,986 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:34:29,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/sv-benchmarks/c/ldv-regression/test_union_cast.i [2024-11-28 03:34:29,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/data/3d0793e0d/1ab420a019d94e0f8e7ab9c9d5bc68c4/FLAG389a28b48 [2024-11-28 03:34:30,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/data/3d0793e0d/1ab420a019d94e0f8e7ab9c9d5bc68c4 [2024-11-28 03:34:30,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:34:30,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:34:30,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:30,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:34:30,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:34:30,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76529059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30, skipping insertion in model container [2024-11-28 03:34:30,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:34:30,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:30,223 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:34:30,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:30,259 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:34:30,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30 WrapperNode [2024-11-28 03:34:30,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:30,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:30,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:34:30,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:34:30,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,296 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 26 [2024-11-28 03:34:30,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:30,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:34:30,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:34:30,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:34:30,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,334 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-11-28 03:34:30,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:34:30,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:34:30,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:34:30,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:34:30,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (1/1) ... [2024-11-28 03:34:30,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:30,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:30,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:30,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:34:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:34:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:34:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:34:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:34:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:34:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:34:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 03:34:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 03:34:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:34:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:34:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:34:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:34:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:34:30,502 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:34:30,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:34:30,644 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-28 03:34:30,644 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:34:30,655 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:34:30,656 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:34:30,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:30 BoogieIcfgContainer [2024-11-28 03:34:30,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:34:30,657 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:34:30,658 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:34:30,665 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:34:30,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:34:30,667 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:34:30" (1/3) ... [2024-11-28 03:34:30,668 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c6cd246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:34:30, skipping insertion in model container [2024-11-28 03:34:30,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:34:30,669 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:30" (2/3) ... [2024-11-28 03:34:30,669 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c6cd246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:34:30, skipping insertion in model container [2024-11-28 03:34:30,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:34:30,669 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:30" (3/3) ... [2024-11-28 03:34:30,670 INFO L363 chiAutomizerObserver]: Analyzing ICFG test_union_cast.i [2024-11-28 03:34:30,735 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:34:30,736 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:34:30,736 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:34:30,736 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:34:30,736 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:34:30,736 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:34:30,736 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:34:30,737 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:34:30,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:30,759 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:34:30,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 03:34:30,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:34:30 BoogieIcfgContainer [2024-11-28 03:34:30,771 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:34:30,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:34:30,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:34:30,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:34:30,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:30" (3/4) ... [2024-11-28 03:34:30,776 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:34:30,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:34:30,781 INFO L158 Benchmark]: Toolchain (without parser) took 768.73ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 65.6MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:34:30,783 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:30,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.56ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:34:30,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.82ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:30,785 INFO L158 Benchmark]: Boogie Preprocessor took 60.35ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:34:30,785 INFO L158 Benchmark]: RCFGBuilder took 297.16ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 70.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:34:30,785 INFO L158 Benchmark]: BuchiAutomizer took 114.09ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 65.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:30,786 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 65.6MB in the end (delta: 178.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:30,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.56ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.82ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.35ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 297.16ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 70.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 114.09ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 65.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 65.6MB in the end (delta: 178.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 03:34:30,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc2808f-14ae-426d-b46a-2f95f667ffa6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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