./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30e01a73 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_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ --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 cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:34:31,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:34:31,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-23 22:34:31,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:34:31,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:34:31,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:34:31,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:34:31,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:34:31,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:34:31,678 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:34:31,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:34:31,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:34:31,680 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:34:31,682 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 22:34:31,682 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 22:34:31,683 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 22:34:31,683 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 22:34:31,684 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 22:34:31,685 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 22:34:31,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:34:31,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 22:34:31,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:34:31,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:34:31,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:34:31,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:34:31,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 22:34:31,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 22:34:31,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 22:34:31,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:34:31,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:34:31,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:34:31,692 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 22:34:31,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:34:31,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:34:31,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:34:31,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:34:31,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:34:31,695 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 22:34:31,695 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_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da [2023-11-23 22:34:32,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:34:32,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:34:32,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:34:32,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:34:32,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:34:32,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2023-11-23 22:34:35,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:34:35,466 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:34:35,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2023-11-23 22:34:35,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/data/47f4ba4b2/63f0fdf6e8e743478b429e129b7d6019/FLAG1e216d28a [2023-11-23 22:34:35,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/data/47f4ba4b2/63f0fdf6e8e743478b429e129b7d6019 [2023-11-23 22:34:35,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:34:35,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:34:35,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:34:35,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:34:35,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:34:35,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7427ccce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35, skipping insertion in model container [2023-11-23 22:34:35,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:34:35,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:34:35,711 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:34:35,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:34:35,746 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:34:35,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35 WrapperNode [2023-11-23 22:34:35,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:34:35,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:34:35,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:34:35,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:34:35,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,789 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 33 [2023-11-23 22:34:35,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:34:35,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:34:35,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:34:35,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:34:35,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,820 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,829 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:34:35,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:34:35,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:34:35,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:34:35,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:34:35,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (1/1) ... [2023-11-23 22:34:35,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:34:35,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:34:35,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:34:35,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 22:34:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:34:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:34:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:34:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:34:35,997 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:34:36,000 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:34:36,112 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:34:36,122 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:34:36,122 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:34:36,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:36 BoogieIcfgContainer [2023-11-23 22:34:36,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:34:36,125 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 22:34:36,126 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 22:34:36,130 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 22:34:36,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:34:36,131 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 10:34:35" (1/3) ... [2023-11-23 22:34:36,132 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e08f4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:34:36, skipping insertion in model container [2023-11-23 22:34:36,132 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:34:36,133 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:35" (2/3) ... [2023-11-23 22:34:36,133 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e08f4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:34:36, skipping insertion in model container [2023-11-23 22:34:36,133 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:34:36,133 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:36" (3/3) ... [2023-11-23 22:34:36,157 INFO L332 chiAutomizerObserver]: Analyzing ICFG newton_1_8.i [2023-11-23 22:34:36,215 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 22:34:36,215 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 22:34:36,216 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 22:34:36,216 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 22:34:36,216 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 22:34:36,216 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 22:34:36,216 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 22:34:36,216 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 22:34:36,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2023-11-23 22:34:36,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 22:34:36,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-23 22:34:36,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 10:34:36 BoogieIcfgContainer [2023-11-23 22:34:36,245 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 22:34:36,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:34:36,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:34:36,247 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:34:36,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:36" (3/4) ... [2023-11-23 22:34:36,250 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:34:36,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:34:36,254 INFO L158 Benchmark]: Toolchain (without parser) took 757.19ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 88.9MB in the beginning and 158.2MB in the end (delta: -69.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:34:36,255 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:34:36,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.67ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 78.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 22:34:36,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.45ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:34:36,257 INFO L158 Benchmark]: Boogie Preprocessor took 51.28ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 75.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:34:36,258 INFO L158 Benchmark]: RCFGBuilder took 281.44ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 74.7MB in the beginning and 162.4MB in the end (delta: -87.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-23 22:34:36,259 INFO L158 Benchmark]: BuchiAutomizer took 120.26ms. Allocated memory is still 192.9MB. Free memory was 162.3MB in the beginning and 158.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-23 22:34:36,260 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 192.9MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:34:36,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.67ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 78.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.45ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.28ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 75.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.44ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 74.7MB in the beginning and 162.4MB in the end (delta: -87.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 120.26ms. Allocated memory is still 192.9MB. Free memory was 162.3MB in the beginning and 158.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 192.9MB. Free memory is still 158.2MB. 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! [2023-11-23 22:34:36,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ace924-2633-4284-a68f-6d629353064c/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE