./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test_union_cast-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test_union_cast-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX --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 50b36a46d29ef54c7afc76395f3b73a4938c7b8fccc9ac2d632958ee93e7bffb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:53:58,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:53:58,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 16:53:58,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:53:58,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:53:58,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:53:58,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:53:58,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:53:58,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:53:58,154 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:53:58,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:53:58,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:53:58,156 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:53:58,156 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:53:58,157 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:53:58,157 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:53:58,157 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:53:58,158 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:53:58,158 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:53:58,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:53:58,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:53:58,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:53:58,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:53:58,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:53:58,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:53:58,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:53:58,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:53:58,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:53:58,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:53:58,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:53:58,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:53:58,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:53:58,163 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:53:58,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:53:58,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:53:58,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:53:58,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:53:58,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:53:58,165 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:53:58,166 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b36a46d29ef54c7afc76395f3b73a4938c7b8fccc9ac2d632958ee93e7bffb [2024-11-08 16:53:58,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:53:58,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:53:58,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:53:58,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:53:58,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:53:58,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/ldv-regression/test_union_cast-2.i Unable to find full path for "g++" [2024-11-08 16:54:00,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:54:00,882 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:54:00,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/sv-benchmarks/c/ldv-regression/test_union_cast-2.i [2024-11-08 16:54:00,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/data/595fdc74b/54973fec257f418c915d5a660ddb1f45/FLAG5c7685e18 [2024-11-08 16:54:01,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/data/595fdc74b/54973fec257f418c915d5a660ddb1f45 [2024-11-08 16:54:01,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:54:01,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:54:01,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:54:01,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:54:01,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:54:01,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ef1597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01, skipping insertion in model container [2024-11-08 16:54:01,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:54:01,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:54:01,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:54:01,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:54:01,638 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:54:01,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01 WrapperNode [2024-11-08 16:54:01,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:54:01,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:54:01,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:54:01,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:54:01,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,679 INFO L138 Inliner]: procedures = 17, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 29 [2024-11-08 16:54:01,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:54:01,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:54:01,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:54:01,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:54:01,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,710 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]. [2024-11-08 16:54:01,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:54:01,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:54:01,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:54:01,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:54:01,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (1/1) ... [2024-11-08 16:54:01,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:54:01,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:54:01,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:54:01,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:54:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:54:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:54:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:54:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:54:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:54:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:54:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 16:54:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 16:54:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:54:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:54:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:54:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:54:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:54:01,903 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:54:01,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:54:02,044 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 16:54:02,044 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:54:02,057 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:54:02,057 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:54:02,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:02 BoogieIcfgContainer [2024-11-08 16:54:02,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:54:02,059 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:54:02,060 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:54:02,064 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:54:02,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:54:02,066 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:54:01" (1/3) ... [2024-11-08 16:54:02,067 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55acbf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:54:02, skipping insertion in model container [2024-11-08 16:54:02,067 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:54:02,068 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:01" (2/3) ... [2024-11-08 16:54:02,068 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55acbf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:54:02, skipping insertion in model container [2024-11-08 16:54:02,068 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:54:02,069 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:02" (3/3) ... [2024-11-08 16:54:02,070 INFO L332 chiAutomizerObserver]: Analyzing ICFG test_union_cast-2.i [2024-11-08 16:54:02,138 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:54:02,139 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:54:02,139 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:54:02,139 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:54:02,139 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:54:02,139 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:54:02,139 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:54:02,140 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:54:02,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-08 16:54:02,163 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 16:54:02,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 16:54:02,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:54:02 BoogieIcfgContainer [2024-11-08 16:54:02,170 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:54:02,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:54:02,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:54:02,171 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:54:02,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:02" (3/4) ... [2024-11-08 16:54:02,174 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:54:02,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:54:02,178 INFO L158 Benchmark]: Toolchain (without parser) took 902.66ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 102.4MB in the end (delta: 17.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-08 16:54:02,178 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:54:02,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.68ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 122.8MB in the end (delta: -3.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:54:02,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.28ms. Allocated memory is still 157.3MB. Free memory was 122.8MB in the beginning and 121.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:54:02,180 INFO L158 Benchmark]: Boogie Preprocessor took 44.65ms. Allocated memory is still 157.3MB. Free memory was 121.2MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:54:02,181 INFO L158 Benchmark]: RCFGBuilder took 333.21ms. Allocated memory is still 157.3MB. Free memory was 119.2MB in the beginning and 108.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 16:54:02,182 INFO L158 Benchmark]: BuchiAutomizer took 110.48ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 102.4MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:54:02,182 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 157.3MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:54:02,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.68ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 122.8MB in the end (delta: -3.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.28ms. Allocated memory is still 157.3MB. Free memory was 122.8MB in the beginning and 121.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.65ms. Allocated memory is still 157.3MB. Free memory was 121.2MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.21ms. Allocated memory is still 157.3MB. Free memory was 119.2MB in the beginning and 108.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 110.48ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 102.4MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 157.3MB. Free memory is still 102.4MB. 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! [2024-11-08 16:54:02,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d7c343-dfd1-491e-80d3-f2870decbaf9/bin/uautomizer-verify-jihMAELWvX/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