./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test18.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer --witnessprinter.witness.filename witness.graphml --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 3bdf2cb07df28eeba3e91ce6104175f18bd37d0c ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:47:26,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:47:26,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:47:26,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:47:26,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:47:26,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:47:26,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:47:26,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:47:26,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:47:26,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:47:26,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:47:26,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:47:26,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:47:26,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:47:26,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:47:26,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:47:26,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:47:26,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:47:26,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:47:26,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:47:26,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:47:26,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:47:26,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:47:26,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:47:26,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:47:26,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:47:26,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:47:26,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:47:26,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:47:26,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:47:26,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:47:26,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:47:26,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:47:26,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:47:26,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:47:26,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:47:26,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:47:26,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:47:26,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:47:26,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:47:26,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:47:26,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:47:26,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:47:26,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:47:26,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:47:26,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:47:26,717 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:47:26,718 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:47:26,718 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:47:26,718 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:47:26,718 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:47:26,719 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:47:26,719 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:47:26,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:47:26,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:47:26,720 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:47:26,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:47:26,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:47:26,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:47:26,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:47:26,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:47:26,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:47:26,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:47:26,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:47:26,722 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:47:26,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:47:26,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:47:26,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:47:26,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:47:26,724 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:47:26,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:47:26,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:47:26,726 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:47:26,727 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:47:26,730 INFO L138 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-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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 -> 3bdf2cb07df28eeba3e91ce6104175f18bd37d0c [2019-11-15 22:47:26,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:47:26,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:47:26,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:47:26,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:47:26,790 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:47:26,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test18.c [2019-11-15 22:47:26,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/data/32a6294c5/88086e7d0ac242e1959de6ad02d2bcbb/FLAG96faf5bfe [2019-11-15 22:47:27,378 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:47:27,378 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/sv-benchmarks/c/ldv-regression/test18.c [2019-11-15 22:47:27,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/data/32a6294c5/88086e7d0ac242e1959de6ad02d2bcbb/FLAG96faf5bfe [2019-11-15 22:47:27,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/data/32a6294c5/88086e7d0ac242e1959de6ad02d2bcbb [2019-11-15 22:47:27,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:47:27,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:47:27,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:47:27,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:47:27,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:47:27,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:47:27" (1/1) ... [2019-11-15 22:47:27,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308ad59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:27, skipping insertion in model container [2019-11-15 22:47:27,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:47:27" (1/1) ... [2019-11-15 22:47:27,831 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:47:27,851 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:47:28,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:47:28,198 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:47:28,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:47:28,236 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:47:28,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28 WrapperNode [2019-11-15 22:47:28,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:47:28,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:47:28,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:47:28,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:47:28,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:47:28,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:47:28,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:47:28,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:47:28,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... [2019-11-15 22:47:28,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:47:28,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:47:28,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:47:28,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:47:28,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eae37405-53c0-4049-a49c-64252d10bf29/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:47:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:47:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:47:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:47:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:47:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:47:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:47:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:47:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:47:28,666 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:47:28,667 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-15 22:47:28,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:47:28 BoogieIcfgContainer [2019-11-15 22:47:28,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:47:28,669 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:47:28,669 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:47:28,673 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:47:28,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:47:28,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:47:27" (1/3) ... [2019-11-15 22:47:28,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ec8c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:47:28, skipping insertion in model container [2019-11-15 22:47:28,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:47:28,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:28" (2/3) ... [2019-11-15 22:47:28,676 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ec8c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:47:28, skipping insertion in model container [2019-11-15 22:47:28,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:47:28,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:47:28" (3/3) ... [2019-11-15 22:47:28,678 INFO L371 chiAutomizerObserver]: Analyzing ICFG test18.c [2019-11-15 22:47:28,729 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:47:28,730 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:47:28,730 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:47:28,730 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:47:28,730 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:47:28,731 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:47:28,731 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:47:28,731 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:47:28,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-15 22:47:28,770 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:47:28,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 22:47:28,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:47:28 BoogieIcfgContainer [2019-11-15 22:47:28,776 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:47:28,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:47:28,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:47:28,777 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:47:28,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:47:28" (3/4) ... [2019-11-15 22:47:28,782 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:47:28,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:47:28,785 INFO L168 Benchmark]: Toolchain (without parser) took 980.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:47:28,786 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:47:28,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:47:28,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:47:28,789 INFO L168 Benchmark]: Boogie Preprocessor took 51.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:47:28,790 INFO L168 Benchmark]: RCFGBuilder took 335.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:47:28,791 INFO L168 Benchmark]: BuchiAutomizer took 107.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:47:28,792 INFO L168 Benchmark]: Witness Printer took 5.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:47:28,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 427.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 335.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 107.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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: No data available 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 - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...