./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/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 59c5766d3cddc0d41e2678bb5221cccc60217431 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:48:56,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:48:56,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:48:56,534 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:48:56,534 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:48:56,535 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:48:56,535 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:48:56,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:48:56,537 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:48:56,537 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:48:56,538 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:48:56,538 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:48:56,538 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:48:56,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:48:56,540 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:48:56,540 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:48:56,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:48:56,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:48:56,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:48:56,543 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:48:56,543 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:48:56,544 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:48:56,545 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:48:56,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:48:56,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:48:56,546 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:48:56,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:48:56,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:48:56,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:48:56,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:48:56,547 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:48:56,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:48:56,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:48:56,548 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:48:56,548 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:48:56,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:48:56,549 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 17:48:56,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:48:56,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:48:56,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:48:56,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:48:56,558 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:48:56,558 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 17:48:56,558 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 17:48:56,558 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 17:48:56,558 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 17:48:56,558 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 17:48:56,558 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 17:48:56,559 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:48:56,559 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 17:48:56,560 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:48:56,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 17:48:56,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:48:56,560 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:48:56,560 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 17:48:56,560 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:48:56,560 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 17:48:56,560 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 17:48:56,561 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 17:48:56,561 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_25cba93e-b75f-49c3-bdf6-e32133595127/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 -> 59c5766d3cddc0d41e2678bb5221cccc60217431 [2018-12-01 17:48:56,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:48:56,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:48:56,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:48:56,587 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:48:56,587 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:48:56,587 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_i5_o5_false-unreach-call_true-termination.c [2018-12-01 17:48:56,620 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/data/2504190a1/6dbba492f3e543d093bc6046d76b6e8f/FLAG4294acc29 [2018-12-01 17:48:56,999 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:48:57,000 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/sv-benchmarks/c/recursive-simple/id2_i5_o5_false-unreach-call_true-termination.c [2018-12-01 17:48:57,003 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/data/2504190a1/6dbba492f3e543d093bc6046d76b6e8f/FLAG4294acc29 [2018-12-01 17:48:57,011 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/data/2504190a1/6dbba492f3e543d093bc6046d76b6e8f [2018-12-01 17:48:57,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:48:57,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:48:57,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:48:57,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:48:57,017 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:48:57,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f0260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57, skipping insertion in model container [2018-12-01 17:48:57,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:48:57,037 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:48:57,124 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:48:57,127 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:48:57,135 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:48:57,143 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:48:57,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57 WrapperNode [2018-12-01 17:48:57,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:48:57,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:48:57,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:48:57,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:48:57,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:48:57,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:48:57,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:48:57,161 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:48:57,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... [2018-12-01 17:48:57,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:48:57,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:48:57,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:48:57,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:48:57,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/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 [2018-12-01 17:48:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2018-12-01 17:48:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2018-12-01 17:48:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:48:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:48:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-12-01 17:48:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-12-01 17:48:57,310 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:48:57,310 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-01 17:48:57,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:57 BoogieIcfgContainer [2018-12-01 17:48:57,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:48:57,311 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 17:48:57,311 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 17:48:57,313 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 17:48:57,313 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 17:48:57,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 05:48:57" (1/3) ... [2018-12-01 17:48:57,314 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@527af675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 05:48:57, skipping insertion in model container [2018-12-01 17:48:57,314 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 17:48:57,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:57" (2/3) ... [2018-12-01 17:48:57,314 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@527af675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 05:48:57, skipping insertion in model container [2018-12-01 17:48:57,314 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 17:48:57,315 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:57" (3/3) ... [2018-12-01 17:48:57,315 INFO L375 chiAutomizerObserver]: Analyzing ICFG id2_i5_o5_false-unreach-call_true-termination.c [2018-12-01 17:48:57,352 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:48:57,353 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 17:48:57,353 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 17:48:57,353 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 17:48:57,353 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:48:57,353 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:48:57,353 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 17:48:57,353 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:48:57,353 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 17:48:57,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-12-01 17:48:57,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-12-01 17:48:57,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 17:48:57,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 17:48:57,381 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 17:48:57,381 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-01 17:48:57,381 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 17:48:57,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-12-01 17:48:57,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-12-01 17:48:57,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 17:48:57,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 17:48:57,382 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 17:48:57,382 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-01 17:48:57,387 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := 5; 11#L19true call main_#t~ret2 := id(main_~input~0);< 20#idENTRYtrue [2018-12-01 17:48:57,387 INFO L796 eck$LassoCheckResult]: Loop: 20#idENTRYtrue ~x := #in~x; 14#L8true assume !(0 == ~x); 13#L9true call #t~ret0 := id2(~x - 1);< 10#id2ENTRYtrue ~x := #in~x; 8#L13true assume !(0 == ~x); 5#L14true call #t~ret1 := id(~x - 1);< 20#idENTRYtrue [2018-12-01 17:48:57,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:48:57,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1272, now seen corresponding path program 1 times [2018-12-01 17:48:57,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:48:57,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:48:57,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:48:57,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:48:57,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:48:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:57,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:48:57,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1542369597, now seen corresponding path program 1 times [2018-12-01 17:48:57,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:48:57,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:48:57,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:48:57,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:48:57,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:48:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:57,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:48:57,456 INFO L82 PathProgramCache]: Analyzing trace with hash -16850700, now seen corresponding path program 1 times [2018-12-01 17:48:57,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:48:57,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:48:57,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:48:57,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:48:57,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:48:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:57,542 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 17:48:57,543 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 17:48:57,543 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 17:48:57,543 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 17:48:57,543 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 17:48:57,543 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,543 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 17:48:57,543 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 17:48:57,543 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_false-unreach-call_true-termination.c_Iteration1_Loop [2018-12-01 17:48:57,543 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 17:48:57,543 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 17:48:57,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,663 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 17:48:57,664 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,667 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,667 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,673 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,673 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,688 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,688 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,705 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 17:48:57,705 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,732 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,732 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-5} Honda state: {id_#in~x=-5} Generalized eigenvectors: [{id_#in~x=0}, {id_#in~x=0}, {id_#in~x=-2}] Lambdas: [1, 7, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,746 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,747 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,748 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,749 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,764 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,764 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,766 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,766 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,780 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,781 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,782 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,782 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,797 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,797 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,799 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,799 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,813 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,813 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,816 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,816 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,831 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,831 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,834 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,834 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-12-01 17:48:57,859 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 17:48:57,859 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 17:48:57,859 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 17:48:57,859 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 17:48:57,859 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 17:48:57,860 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,860 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 17:48:57,860 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 17:48:57,860 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_false-unreach-call_true-termination.c_Iteration1_Lasso [2018-12-01 17:48:57,860 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 17:48:57,860 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 17:48:57,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:57,963 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 17:48:57,963 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,964 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,965 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,967 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,967 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:57,991 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:57,991 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:57,993 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:57,993 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:58,008 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:58,008 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:58,010 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:58,010 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:58,025 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:58,026 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:58,027 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 17:48:58,028 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=0} Honda state: {ULTIMATE.start_main_~input~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:58,043 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 17:48:58,043 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25cba93e-b75f-49c3-bdf6-e32133595127/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:58,060 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 17:48:58,060 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 17:48:58,100 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 17:48:58,101 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 17:48:58,101 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 17:48:58,101 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 17:48:58,101 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 17:48:58,101 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 17:48:58,101 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 17:48:58,101 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 17:48:58,101 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 17:48:58,101 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_false-unreach-call_true-termination.c_Iteration1_Lasso [2018-12-01 17:48:58,101 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 17:48:58,102 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 17:48:58,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 17:48:58,209 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 17:48:58,212 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 17:48:58,213 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 17:48:58,214 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 17:48:58,214 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 17:48:58,215 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 17:48:58,215 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 17:48:58,215 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 17:48:58,216 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 17:48:58,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 17:48:58,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 17:48:58,218 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 17:48:58,219 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 17:48:58,219 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 17:48:58,219 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 17:48:58,219 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 17:48:58,219 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 17:48:58,219 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 17:48:58,219 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 17:48:58,220 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 17:48:58,220 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 17:48:58,220 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 17:48:58,221 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 17:48:58,221 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 17:48:58,221 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 17:48:58,221 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 17:48:58,221 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 17:48:58,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 17:48:58,222 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 17:48:58,222 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 17:48:58,223 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 17:48:58,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 17:48:58,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 17:48:58,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 17:48:58,223 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 17:48:58,223 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 17:48:58,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 17:48:58,224 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 17:48:58,224 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 17:48:58,224 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 17:48:58,224 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 17:48:58,224 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 17:48:58,225 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 17:48:58,228 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-12-01 17:48:58,228 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 17:48:58,281 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 17:48:58,294 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 17:48:58,294 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-12-01 17:48:58,296 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 17:48:58,299 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-12-01 17:48:58,299 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 17:48:58,299 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2018-12-01 17:48:58,301 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-01 17:48:58,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:48:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:58,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:48:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:58,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:48:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:58,473 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2018-12-01 17:48:58,475 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 8 states. [2018-12-01 17:48:58,648 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 8 states. Result 54 states and 61 transitions. Complement of second has 23 states. [2018-12-01 17:48:58,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2018-12-01 17:48:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-12-01 17:48:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2018-12-01 17:48:58,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2018-12-01 17:48:58,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 17:48:58,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2018-12-01 17:48:58,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 17:48:58,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 12 letters. [2018-12-01 17:48:58,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 17:48:58,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2018-12-01 17:48:58,654 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 17:48:58,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-12-01 17:48:58,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 17:48:58,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 17:48:58,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 17:48:58,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 17:48:58,657 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:48:58,657 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:48:58,657 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:48:58,657 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 17:48:58,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-01 17:48:58,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 17:48:58,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-01 17:48:58,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 05:48:58 BoogieIcfgContainer [2018-12-01 17:48:58,661 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 17:48:58,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:48:58,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:48:58,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:48:58,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:57" (3/4) ... [2018-12-01 17:48:58,664 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 17:48:58,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:48:58,664 INFO L168 Benchmark]: Toolchain (without parser) took 1650.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 962.4 MB in the beginning and 861.0 MB in the end (delta: 101.4 MB). Peak memory consumption was 234.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:58,665 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:48:58,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.91 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:58,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.75 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:48:58,666 INFO L168 Benchmark]: Boogie Preprocessor took 8.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:58,666 INFO L168 Benchmark]: RCFGBuilder took 141.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:58,666 INFO L168 Benchmark]: BuchiAutomizer took 1350.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 861.0 MB in the end (delta: 251.9 MB). Peak memory consumption was 251.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:58,667 INFO L168 Benchmark]: Witness Printer took 2.39 ms. Allocated memory is still 1.2 GB. Free memory is still 861.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:48:58,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.91 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 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 16.75 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 141.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1350.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 861.0 MB in the end (delta: 251.9 MB). Peak memory consumption was 251.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.39 ms. Allocated memory is still 1.2 GB. Free memory is still 861.0 MB. 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 18 SDslu, 16 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq201 hnf97 smp100 dnf250 smp42 tf101 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 75ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...