./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_4_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_4_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/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 fddb92276d9c39d57f5b99be31dfd08cb5ab054d ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:39:16,707 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:39:16,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:39:16,714 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:39:16,714 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:39:16,715 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:39:16,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:39:16,717 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:39:16,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:39:16,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:39:16,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:39:16,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:39:16,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:39:16,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:39:16,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:39:16,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:39:16,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:39:16,724 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:39:16,726 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:39:16,727 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:39:16,728 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:39:16,729 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:39:16,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:39:16,731 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:39:16,731 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:39:16,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:39:16,732 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:39:16,733 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:39:16,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:39:16,735 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:39:16,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:39:16,735 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:39:16,735 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:39:16,735 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:39:16,736 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:39:16,737 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:39:16,737 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 06:39:16,748 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:39:16,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:39:16,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:39:16,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:39:16,750 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:39:16,750 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 06:39:16,750 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 06:39:16,750 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 06:39:16,750 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 06:39:16,750 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 06:39:16,750 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 06:39:16,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:39:16,751 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:39:16,751 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:39:16,751 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:39:16,751 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:39:16,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:39:16,751 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 06:39:16,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 06:39:16,752 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 06:39:16,752 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:39:16,752 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:39:16,752 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 06:39:16,752 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:39:16,752 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 06:39:16,752 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:39:16,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:39:16,753 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 06:39:16,753 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:39:16,753 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:39:16,753 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 06:39:16,754 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 06:39:16,754 INFO L133 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/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/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 -> fddb92276d9c39d57f5b99be31dfd08cb5ab054d [2018-11-23 06:39:16,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:39:16,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:39:16,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:39:16,787 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:39:16,787 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:39:16,787 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/square_4_true-unreach-call_true-termination.i [2018-11-23 06:39:16,823 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/data/a097a5b5b/0a863c10822f4e3e88124a2256f99764/FLAGce1ba1ba7 [2018-11-23 06:39:17,210 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:39:17,211 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/sv-benchmarks/c/floats-cdfpl/square_4_true-unreach-call_true-termination.i [2018-11-23 06:39:17,215 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/data/a097a5b5b/0a863c10822f4e3e88124a2256f99764/FLAGce1ba1ba7 [2018-11-23 06:39:17,223 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/uautomizer/data/a097a5b5b/0a863c10822f4e3e88124a2256f99764 [2018-11-23 06:39:17,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:39:17,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:39:17,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:39:17,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:39:17,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:39:17,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c486bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17, skipping insertion in model container [2018-11-23 06:39:17,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:39:17,251 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:39:17,380 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:39:17,382 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:39:17,395 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:39:17,406 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:39:17,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17 WrapperNode [2018-11-23 06:39:17,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:39:17,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:39:17,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:39:17,407 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:39:17,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:39:17,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:39:17,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:39:17,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:39:17,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... [2018-11-23 06:39:17,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:39:17,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:39:17,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:39:17,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:39:17,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc50f7d9-a6ce-4c1a-ae2f-709df95ca5fb/bin-2019/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 [2018-11-23 06:39:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:39:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:39:17,602 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:39:17,602 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 06:39:17,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:17 BoogieIcfgContainer [2018-11-23 06:39:17,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:39:17,603 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 06:39:17,603 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 06:39:17,605 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 06:39:17,605 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:39:17,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 06:39:17" (1/3) ... [2018-11-23 06:39:17,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@246827e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:39:17, skipping insertion in model container [2018-11-23 06:39:17,606 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:39:17,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:17" (2/3) ... [2018-11-23 06:39:17,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@246827e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:39:17, skipping insertion in model container [2018-11-23 06:39:17,607 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:39:17,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:17" (3/3) ... [2018-11-23 06:39:17,608 INFO L375 chiAutomizerObserver]: Analyzing ICFG square_4_true-unreach-call_true-termination.i [2018-11-23 06:39:17,640 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:39:17,640 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 06:39:17,640 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 06:39:17,640 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 06:39:17,640 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:39:17,640 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:39:17,641 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 06:39:17,641 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:39:17,641 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 06:39:17,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-23 06:39:17,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 06:39:17,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 06:39:17,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 06:39:17 BoogieIcfgContainer [2018-11-23 06:39:17,665 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 06:39:17,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:39:17,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:39:17,666 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:39:17,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:17" (3/4) ... [2018-11-23 06:39:17,669 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 06:39:17,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:39:17,670 INFO L168 Benchmark]: Toolchain (without parser) took 444.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:39:17,671 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:39:17,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.58 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:39:17,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:39:17,673 INFO L168 Benchmark]: Boogie Preprocessor took 12.00 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:39:17,673 INFO L168 Benchmark]: RCFGBuilder took 157.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -209.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:39:17,674 INFO L168 Benchmark]: BuchiAutomizer took 62.52 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:39:17,674 INFO L168 Benchmark]: Witness Printer took 3.67 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:39:17,677 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.58 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.00 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 157.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -209.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 62.52 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.67 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: 3.4 MB). Peak memory consumption was 3.4 MB. 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...