./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/EvenOdd01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/EvenOdd01-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bec5669c6fe02e51518958076fea4487ada345cf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:57:09,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:09,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:09,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:09,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:09,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:09,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:09,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:09,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:09,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:09,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:09,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:09,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:09,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:09,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:09,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:09,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:09,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:09,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:09,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:09,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:09,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:09,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:09,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:09,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:09,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:09,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:09,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:09,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:09,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:09,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:09,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:09,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:09,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:09,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:09,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:09,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:09,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:09,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:09,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:09,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:09,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:57:09,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:09,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:09,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:09,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:09,460 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:09,461 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:57:09,461 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:57:09,461 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:57:09,461 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:57:09,461 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:57:09,462 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:57:09,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:09,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:09,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:57:09,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:57:09,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:09,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:09,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:57:09,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:57:09,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:57:09,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:09,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:09,464 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:57:09,465 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:09,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:57:09,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:09,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:09,465 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:57:09,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:09,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:57:09,466 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:57:09,467 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:57:09,467 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec5669c6fe02e51518958076fea4487ada345cf [2019-11-25 08:57:09,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:09,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:09,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:09,609 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:09,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:09,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/../../sv-benchmarks/c/recursive/EvenOdd01-1.c [2019-11-25 08:57:09,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/data/2255e4868/4dff5f665b2f450a9c0ebff7a3e4c8aa/FLAGc970992c8 [2019-11-25 08:57:10,032 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:10,033 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/sv-benchmarks/c/recursive/EvenOdd01-1.c [2019-11-25 08:57:10,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/data/2255e4868/4dff5f665b2f450a9c0ebff7a3e4c8aa/FLAGc970992c8 [2019-11-25 08:57:10,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/data/2255e4868/4dff5f665b2f450a9c0ebff7a3e4c8aa [2019-11-25 08:57:10,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:10,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:10,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:10,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:10,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:10,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bec3151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10, skipping insertion in model container [2019-11-25 08:57:10,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:10,474 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:10,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:10,652 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:10,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:10,742 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:10,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10 WrapperNode [2019-11-25 08:57:10,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:10,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:10,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:10,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:10,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:10,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:10,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:10,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:10,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... [2019-11-25 08:57:10,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:10,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:10,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:10,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:10,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2019-11-25 08:57:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2019-11-25 08:57:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2019-11-25 08:57:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2019-11-25 08:57:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:11,043 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:11,043 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:57:11,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:11 BoogieIcfgContainer [2019-11-25 08:57:11,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:11,045 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:57:11,045 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:57:11,048 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:57:11,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:11,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:57:10" (1/3) ... [2019-11-25 08:57:11,050 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5db2feae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:57:11, skipping insertion in model container [2019-11-25 08:57:11,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:11,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:10" (2/3) ... [2019-11-25 08:57:11,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5db2feae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:57:11, skipping insertion in model container [2019-11-25 08:57:11,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:11,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:11" (3/3) ... [2019-11-25 08:57:11,053 INFO L371 chiAutomizerObserver]: Analyzing ICFG EvenOdd01-1.c [2019-11-25 08:57:11,115 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:57:11,116 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:57:11,116 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:57:11,116 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:11,116 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:11,116 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:57:11,116 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:11,117 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:57:11,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2019-11-25 08:57:11,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:57:11,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:11,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:11,156 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:57:11,157 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:11,157 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:57:11,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2019-11-25 08:57:11,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:57:11,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:11,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:11,160 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:57:11,160 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:11,165 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~n~0, main_~result~0, main_~mod~0;main_~n~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L39true assume !(main_~n~0 < 0); 13#L42true call main_#t~ret3 := isOdd(main_~n~0);< 22#isOddENTRYtrue [2019-11-25 08:57:11,166 INFO L796 eck$LassoCheckResult]: Loop: 22#isOddENTRYtrue ~n := #in~n; 20#L17true assume !(0 == ~n); 14#L19true assume !(1 == ~n); 7#L22true call #t~ret0 := isEven(~n - 1);< 9#isEvenENTRYtrue ~n := #in~n; 6#L27true assume !(0 == ~n); 10#L29true assume !(1 == ~n); 23#L32true call #t~ret1 := isOdd(~n - 1);< 22#isOddENTRYtrue [2019-11-25 08:57:11,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:11,171 INFO L82 PathProgramCache]: Analyzing trace with hash 54793, now seen corresponding path program 1 times [2019-11-25 08:57:11,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:11,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668891330] [2019-11-25 08:57:11,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:11,253 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:11,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:11,254 INFO L82 PathProgramCache]: Analyzing trace with hash -439264315, now seen corresponding path program 1 times [2019-11-25 08:57:11,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:11,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383108240] [2019-11-25 08:57:11,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:11,274 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:11,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:11,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1128289843, now seen corresponding path program 1 times [2019-11-25 08:57:11,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:11,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040180934] [2019-11-25 08:57:11,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:11,296 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:11,490 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:11,491 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:11,491 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:11,492 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:11,492 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:57:11,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:11,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:11,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:11,493 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-1.c_Iteration1_Loop [2019-11-25 08:57:11,493 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:11,493 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:11,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,704 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:11,705 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:11,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,711 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:11,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:11,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/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 [2019-11-25 08:57:11,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:11,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:11,728 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=0} Honda state: {isEven_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/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 [2019-11-25 08:57:11,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:11,745 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:11,745 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/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 [2019-11-25 08:57:11,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:11,766 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:11,767 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/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 [2019-11-25 08:57:11,775 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,775 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/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 [2019-11-25 08:57:11,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:11,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:11,876 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:11,876 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=-8} Honda state: {isOdd_#in~n=-8} Generalized eigenvectors: [{isOdd_#in~n=0}, {isOdd_#in~n=-2}, {isOdd_#in~n=0}] Lambdas: [1, 1, 6] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:11,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,890 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:11,897 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:11,897 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:11,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,910 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:11,915 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:11,915 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret1=0} Honda state: {isEven_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:11,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:11,939 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:11,939 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_~n=0} Honda state: {isOdd_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:11,971 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:11,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:11,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:11,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:11,971 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:57:11,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:11,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:11,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:11,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-1.c_Iteration1_Lasso [2019-11-25 08:57:11,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:11,972 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:11,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,182 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:12,182 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/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 [2019-11-25 08:57:12,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:12,206 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:12,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:12,226 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,359 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:57:12,361 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:12,361 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:12,361 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:12,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:12,361 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:57:12,361 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:12,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:12,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-1.c_Iteration1_Lasso [2019-11-25 08:57:12,362 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:12,362 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:12,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,590 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:12,595 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:12,611 INFO L120 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 [2019-11-25 08:57:12,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:12,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:12,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:12,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:12,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:12,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:12,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:12,638 INFO L120 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 [2019-11-25 08:57:12,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:12,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:12,648 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:57:12,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:12,666 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-25 08:57:12,667 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,693 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:57:12,733 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-25 08:57:12,733 INFO L444 ModelExtractionUtils]: 4 out of 11 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42093357-107a-4d4d-ab95-149a09a023fc/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:12,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:57:12,756 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-25 08:57:12,756 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:57:12,757 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(isOdd_#in~n) = 1*isOdd_#in~n Supporting invariants [1*isOdd_#in~n >= 0] Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,764 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-25 08:57:12,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:12,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:57:12,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:12,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-25 08:57:12,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:12,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:13,011 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 [2019-11-25 08:57:13,012 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 8 states. [2019-11-25 08:57:13,420 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 8 states. Result 87 states and 98 transitions. Complement of second has 29 states. [2019-11-25 08:57:13,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2019-11-25 08:57:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-25 08:57:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2019-11-25 08:57:13,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 8 letters. [2019-11-25 08:57:13,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:13,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 11 letters. Loop has 8 letters. [2019-11-25 08:57:13,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:13,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 16 letters. [2019-11-25 08:57:13,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:13,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 98 transitions. [2019-11-25 08:57:13,439 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:13,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 0 states and 0 transitions. [2019-11-25 08:57:13,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:57:13,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:57:13,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:57:13,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:57:13,444 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:13,444 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:13,444 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:13,445 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:57:13,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:57:13,445 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:13,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:57:13,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:57:13 BoogieIcfgContainer [2019-11-25 08:57:13,451 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:57:13,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:13,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:13,453 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:13,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:11" (3/4) ... [2019-11-25 08:57:13,456 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:57:13,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:13,459 INFO L168 Benchmark]: Toolchain (without parser) took 3016.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.1 MB in the beginning and 811.2 MB in the end (delta: 138.9 MB). Peak memory consumption was 247.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,460 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:13,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:13,462 INFO L168 Benchmark]: Boogie Preprocessor took 15.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,464 INFO L168 Benchmark]: RCFGBuilder took 255.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,467 INFO L168 Benchmark]: BuchiAutomizer took 2406.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 811.2 MB in the end (delta: 264.4 MB). Peak memory consumption was 264.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,468 INFO L168 Benchmark]: Witness Printer took 4.20 ms. Allocated memory is still 1.1 GB. Free memory is still 811.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:13,472 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 255.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2406.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 811.2 MB in the end (delta: 264.4 MB). Peak memory consumption was 264.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.20 ms. Allocated memory is still 1.1 GB. Free memory is still 811.2 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(n) and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. 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: 15 SDtfs, 29 SDslu, 22 SDs, 0 SdLazy, 96 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq190 hnf97 smp100 dnf483 smp16 tf101 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 133ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...