./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 64bit --witnessprinter.graph.data.programhash 8104a25549f6efe413528ca8cc098e1acad610e4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:44:29,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:44:29,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:44:29,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:44:29,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:44:29,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:44:29,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:44:29,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:44:29,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:44:29,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:44:29,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:44:29,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:44:29,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:44:29,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:44:29,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:44:29,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:44:29,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:44:29,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:44:29,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:44:29,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:44:29,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:44:29,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:44:29,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:44:29,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:44:29,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:44:29,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:44:29,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:44:29,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:44:29,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:44:29,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:44:29,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:44:29,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:44:29,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:44:29,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:44:29,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:44:29,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:44:29,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:44:29,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:44:29,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:44:29,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:44:29,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:44:29,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 14:44:29,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:44:29,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:44:29,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:44:29,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:44:29,509 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:44:29,509 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:44:29,509 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:44:29,509 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:44:29,510 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:44:29,510 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:44:29,510 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:44:29,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:44:29,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:44:29,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:44:29,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:44:29,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:44:29,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:44:29,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:44:29,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:44:29,512 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:44:29,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:44:29,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:44:29,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:44:29,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:44:29,513 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:44:29,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:44:29,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:44:29,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:44:29,513 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:44:29,514 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:44:29,514 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_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8104a25549f6efe413528ca8cc098e1acad610e4 [2019-12-07 14:44:29,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:44:29,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:44:29,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:44:29,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:44:29,632 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:44:29,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2019-12-07 14:44:29,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/data/6608c42d7/a4e1cceffdfd45b4b4d31cfb7682ed82/FLAG72b7860de [2019-12-07 14:44:30,074 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:44:30,075 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2019-12-07 14:44:30,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/data/6608c42d7/a4e1cceffdfd45b4b4d31cfb7682ed82/FLAG72b7860de [2019-12-07 14:44:30,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/data/6608c42d7/a4e1cceffdfd45b4b4d31cfb7682ed82 [2019-12-07 14:44:30,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:44:30,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:44:30,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:44:30,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:44:30,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:44:30,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1356f157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30, skipping insertion in model container [2019-12-07 14:44:30,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:44:30,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:44:30,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:44:30,686 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:44:30,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:44:30,744 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:44:30,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30 WrapperNode [2019-12-07 14:44:30,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:44:30,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:44:30,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:44:30,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:44:30,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:44:30,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:44:30,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:44:30,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:44:30,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... [2019-12-07 14:44:30,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:44:30,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:44:30,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:44:30,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:44:30,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 [2019-12-07 14:44:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:44:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:44:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:44:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:44:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:44:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:44:30,978 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:44:30,978 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 14:44:30,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:44:30 BoogieIcfgContainer [2019-12-07 14:44:30,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:44:30,979 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:44:30,979 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:44:30,981 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:44:30,982 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:44:30,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:44:30" (1/3) ... [2019-12-07 14:44:30,982 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e53971e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:44:30, skipping insertion in model container [2019-12-07 14:44:30,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:44:30,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:44:30" (2/3) ... [2019-12-07 14:44:30,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e53971e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:44:30, skipping insertion in model container [2019-12-07 14:44:30,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:44:30,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:44:30" (3/3) ... [2019-12-07 14:44:30,984 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-2.i [2019-12-07 14:44:31,012 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:44:31,012 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:44:31,012 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:44:31,012 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:44:31,012 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:44:31,012 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:44:31,013 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:44:31,013 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:44:31,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 14:44:31,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 14:44:31,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:44:31,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:44:31,039 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 14:44:31,039 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:44:31,039 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:44:31,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 14:44:31,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 14:44:31,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:44:31,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:44:31,041 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 14:44:31,041 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:44:31,046 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 16#L560true assume !(main_~array_size~0 < 1); 5#L560-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 6#L550-3true [2019-12-07 14:44:31,046 INFO L796 eck$LassoCheckResult]: Loop: 6#L550-3true assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 8#L553-6true assume !true; 9#L553-7true call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 3#L550-2true insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 6#L550-3true [2019-12-07 14:44:31,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:31,050 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 14:44:31,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:31,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831126709] [2019-12-07 14:44:31,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:31,139 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:31,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1465782, now seen corresponding path program 1 times [2019-12-07 14:44:31,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:31,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142805965] [2019-12-07 14:44:31,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:31,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142805965] [2019-12-07 14:44:31,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:44:31,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:44:31,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950715429] [2019-12-07 14:44:31,167 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 14:44:31,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:44:31,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:44:31,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:44:31,178 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2019-12-07 14:44:31,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:44:31,183 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-12-07 14:44:31,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:44:31,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-12-07 14:44:31,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 14:44:31,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 14 transitions. [2019-12-07 14:44:31,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 14:44:31,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 14:44:31,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-12-07 14:44:31,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:44:31,189 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 14:44:31,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-12-07 14:44:31,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-07 14:44:31,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 14:44:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-12-07 14:44:31,207 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 14:44:31,207 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 14:44:31,207 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 14:44:31,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-12-07 14:44:31,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 14:44:31,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:44:31,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:44:31,208 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 14:44:31,208 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:44:31,208 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 43#L560 assume !(main_~array_size~0 < 1); 44#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 41#L550-3 [2019-12-07 14:44:31,208 INFO L796 eck$LassoCheckResult]: Loop: 41#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 39#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 46#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 47#L553-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 48#L553-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 40#L550-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 41#L550-3 [2019-12-07 14:44:31,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:31,208 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2019-12-07 14:44:31,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:31,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567545242] [2019-12-07 14:44:31,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:31,225 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:31,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:31,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1394338221, now seen corresponding path program 1 times [2019-12-07 14:44:31,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:31,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520312770] [2019-12-07 14:44:31,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:31,249 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:31,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:31,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1897689455, now seen corresponding path program 1 times [2019-12-07 14:44:31,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:31,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956941373] [2019-12-07 14:44:31,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:31,282 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:31,525 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:44:31,526 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:44:31,526 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:44:31,526 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:44:31,526 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:44:31,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:31,526 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:44:31,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:44:31,526 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration2_Lasso [2019-12-07 14:44:31,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:44:31,526 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:44:31,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:31,895 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:44:31,899 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:31,904 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 [2019-12-07 14:44:31,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:31,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:31,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:31,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 [2019-12-07 14:44:31,915 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 [2019-12-07 14:44:31,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:31,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:31,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:31,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 [2019-12-07 14:44:31,923 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 [2019-12-07 14:44:31,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:31,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:31,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:31,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 [2019-12-07 14:44:31,930 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 [2019-12-07 14:44:31,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:31,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:31,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:31,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 [2019-12-07 14:44:31,938 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 [2019-12-07 14:44:31,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:31,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:31,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 [2019-12-07 14:44:31,951 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 [2019-12-07 14:44:31,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:31,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:31,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:31,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:31,959 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 [2019-12-07 14:44:31,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:31,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:31,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:31,971 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 [2019-12-07 14:44:31,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:31,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:31,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:31,984 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 [2019-12-07 14:44:31,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:31,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:31,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:31,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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 [2019-12-07 14:44:31,994 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 [2019-12-07 14:44:31,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:31,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:31,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:31,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:31,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:31,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:32,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,005 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 [2019-12-07 14:44:32,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:32,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:32,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,028 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 [2019-12-07 14:44:32,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:32,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:32,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,042 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 [2019-12-07 14:44:32,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:32,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:32,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,054 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 [2019-12-07 14:44:32,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:32,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:32,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:32,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/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 [2019-12-07 14:44:32,066 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 [2019-12-07 14:44:32,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:32,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:32,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:32,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,073 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 [2019-12-07 14:44:32,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:32,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:32,098 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:44:32,143 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 14:44:32,143 INFO L444 ModelExtractionUtils]: 11 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,147 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:44:32,150 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:44:32,150 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:44:32,151 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_insertionSort_~a.base)_1, ULTIMATE.start_insertionSort_~a.offset, ULTIMATE.start_insertionSort_~i~0) = 1*v_rep(select #length ULTIMATE.start_insertionSort_~a.base)_1 - 1*ULTIMATE.start_insertionSort_~a.offset - 4*ULTIMATE.start_insertionSort_~i~0 Supporting invariants [] [2019-12-07 14:44:32,165 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 14:44:32,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 14:44:32,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:32,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:44:32,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:32,212 INFO L264 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:44:32,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:32,226 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 14:44:32,226 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-12-07 14:44:32,262 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 19 states and 25 transitions. Complement of second has 4 states. [2019-12-07 14:44:32,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 14:44:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:44:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2019-12-07 14:44:32,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 6 letters. [2019-12-07 14:44:32,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:32,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2019-12-07 14:44:32,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:32,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 12 letters. [2019-12-07 14:44:32,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:32,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2019-12-07 14:44:32,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 14:44:32,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 23 transitions. [2019-12-07 14:44:32,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 14:44:32,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 14:44:32,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2019-12-07 14:44:32,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:44:32,268 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-12-07 14:44:32,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2019-12-07 14:44:32,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-12-07 14:44:32,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 14:44:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2019-12-07 14:44:32,269 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-12-07 14:44:32,269 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-12-07 14:44:32,269 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 14:44:32,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2019-12-07 14:44:32,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 14:44:32,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:44:32,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:44:32,270 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 14:44:32,270 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:44:32,270 INFO L794 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 140#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 141#L560 assume !(main_~array_size~0 < 1); 142#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 143#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 135#L553-6 [2019-12-07 14:44:32,271 INFO L796 eck$LassoCheckResult]: Loop: 135#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 144#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 147#L553-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 134#L553-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 135#L553-6 [2019-12-07 14:44:32,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:32,271 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2019-12-07 14:44:32,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:32,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257565798] [2019-12-07 14:44:32,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:32,285 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:32,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:32,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 1 times [2019-12-07 14:44:32,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:32,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288120322] [2019-12-07 14:44:32,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:32,294 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:32,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:32,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1185710257, now seen corresponding path program 1 times [2019-12-07 14:44:32,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:32,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124527305] [2019-12-07 14:44:32,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:32,314 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:32,509 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:44:32,509 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:44:32,509 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:44:32,509 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:44:32,509 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:44:32,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:44:32,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:44:32,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration3_Lasso [2019-12-07 14:44:32,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:44:32,509 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:44:32,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:32,820 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:44:32,820 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,824 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 [2019-12-07 14:44:32,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:32,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:32,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:32,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,831 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 [2019-12-07 14:44:32,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:32,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:32,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,843 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 [2019-12-07 14:44:32,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:32,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:32,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:32,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:32,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:32,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:32,866 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:44:32,892 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 14:44:32,892 INFO L444 ModelExtractionUtils]: 23 out of 37 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:32,896 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:44:32,898 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:44:32,898 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:44:32,898 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2019-12-07 14:44:32,907 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 14:44:32,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:32,921 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:44:32,922 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:32,927 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:44:32,928 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:32,950 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 14:44:32,950 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-12-07 14:44:32,977 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 47 states and 62 transitions. Complement of second has 9 states. [2019-12-07 14:44:32,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 14:44:32,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 14:44:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-12-07 14:44:32,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 14:44:32,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:32,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 14:44:32,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:32,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2019-12-07 14:44:32,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:32,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2019-12-07 14:44:32,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 14:44:32,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 30 states and 40 transitions. [2019-12-07 14:44:32,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 14:44:32,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 14:44:32,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-12-07 14:44:32,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:44:32,982 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-12-07 14:44:32,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-12-07 14:44:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2019-12-07 14:44:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 14:44:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-12-07 14:44:32,985 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-12-07 14:44:32,985 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-12-07 14:44:32,985 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 14:44:32,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-12-07 14:44:32,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 14:44:32,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:44:32,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:44:32,986 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:44:32,986 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:44:32,986 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 274#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 275#L560 assume !(main_~array_size~0 < 1); 276#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 277#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 271#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 283#L553-1 assume !insertionSort_#t~short6; 284#L553-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 285#L553-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 272#L550-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 273#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 269#L553-6 [2019-12-07 14:44:32,986 INFO L796 eck$LassoCheckResult]: Loop: 269#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 278#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 282#L553-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 268#L553-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 269#L553-6 [2019-12-07 14:44:32,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:32,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1303016098, now seen corresponding path program 1 times [2019-12-07 14:44:32,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:32,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948862084] [2019-12-07 14:44:32,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:33,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948862084] [2019-12-07 14:44:33,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:44:33,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:44:33,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869456365] [2019-12-07 14:44:33,024 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:44:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:33,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 2 times [2019-12-07 14:44:33,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:33,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860827920] [2019-12-07 14:44:33,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:33,032 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:33,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:44:33,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:44:33,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:44:33,099 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand 5 states. [2019-12-07 14:44:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:44:33,136 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2019-12-07 14:44:33,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:44:33,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2019-12-07 14:44:33,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 14:44:33,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2019-12-07 14:44:33,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 14:44:33,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 14:44:33,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2019-12-07 14:44:33,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:44:33,139 INFO L688 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-12-07 14:44:33,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2019-12-07 14:44:33,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2019-12-07 14:44:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 14:44:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-07 14:44:33,141 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-07 14:44:33,141 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-07 14:44:33,141 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 14:44:33,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2019-12-07 14:44:33,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 14:44:33,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:44:33,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:44:33,142 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:44:33,142 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:44:33,142 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 341#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 342#L560 assume !(main_~array_size~0 < 1); 343#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 344#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 346#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 347#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 352#L553-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 353#L553-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 339#L550-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 340#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 336#L553-6 [2019-12-07 14:44:33,142 INFO L796 eck$LassoCheckResult]: Loop: 336#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 345#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 351#L553-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 335#L553-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 336#L553-6 [2019-12-07 14:44:33,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:33,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1301169056, now seen corresponding path program 2 times [2019-12-07 14:44:33,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:33,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019190441] [2019-12-07 14:44:33,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:33,165 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:33,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:33,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 3 times [2019-12-07 14:44:33,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:33,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055646267] [2019-12-07 14:44:33,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:33,172 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:33,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:33,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1886560891, now seen corresponding path program 1 times [2019-12-07 14:44:33,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:44:33,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287714020] [2019-12-07 14:44:33,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:44:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:44:33,204 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:44:33,447 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 89 [2019-12-07 14:44:33,491 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:44:33,491 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:44:33,491 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:44:33,491 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:44:33,492 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:44:33,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:33,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:44:33,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:44:33,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration5_Lasso [2019-12-07 14:44:33,492 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:44:33,492 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:44:33,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:44:33,853 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:44:33,853 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:33,855 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 [2019-12-07 14:44:33,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:33,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:44:33,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:33,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:33,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:33,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:44:33,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:44:33,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:33,861 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 [2019-12-07 14:44:33,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:33,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:33,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:33,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:33,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:33,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:33,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:33,871 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 [2019-12-07 14:44:33,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:33,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:33,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:33,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:33,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:33,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:33,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:33,882 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 [2019-12-07 14:44:33,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:33,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:33,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:33,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:33,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:33,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:33,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:33,895 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 [2019-12-07 14:44:33,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:44:33,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:44:33,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:44:33,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:44:33,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:44:33,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:44:33,913 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:44:33,941 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2019-12-07 14:44:33,941 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 25 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39aa7969-0d1c-4ff8-93d8-18edc0fd9390/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:44:33,944 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:44:33,946 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:44:33,946 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:44:33,946 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2019-12-07 14:44:33,965 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2019-12-07 14:44:33,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:33,980 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:44:33,980 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:33,984 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:44:33,984 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:34,002 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 14:44:34,002 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-12-07 14:44:34,029 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 48 states and 62 transitions. Complement of second has 9 states. [2019-12-07 14:44:34,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 14:44:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 14:44:34,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-12-07 14:44:34,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2019-12-07 14:44:34,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:34,031 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 14:44:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:34,045 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:44:34,046 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:34,050 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:44:34,050 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:34,068 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 14:44:34,068 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-12-07 14:44:34,088 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 48 states and 62 transitions. Complement of second has 9 states. [2019-12-07 14:44:34,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 14:44:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 14:44:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-12-07 14:44:34,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2019-12-07 14:44:34,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:34,089 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 14:44:34,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:34,105 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:44:34,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:34,110 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:44:34,111 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:34,128 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 14:44:34,128 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-12-07 14:44:34,152 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 56 states and 75 transitions. Complement of second has 8 states. [2019-12-07 14:44:34,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 14:44:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 14:44:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-12-07 14:44:34,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 4 letters. [2019-12-07 14:44:34,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:34,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 15 letters. Loop has 4 letters. [2019-12-07 14:44:34,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:34,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 8 letters. [2019-12-07 14:44:34,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:44:34,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 75 transitions. [2019-12-07 14:44:34,155 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:44:34,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 0 states and 0 transitions. [2019-12-07 14:44:34,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 14:44:34,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 14:44:34,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 14:44:34,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:44:34,156 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:44:34,156 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:44:34,156 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:44:34,156 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 14:44:34,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:44:34,156 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:44:34,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 14:44:34,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 02:44:34 BoogieIcfgContainer [2019-12-07 14:44:34,160 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 14:44:34,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:44:34,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:44:34,160 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:44:34,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:44:30" (3/4) ... [2019-12-07 14:44:34,163 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:44:34,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:44:34,165 INFO L168 Benchmark]: Toolchain (without parser) took 3726.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 933.3 MB in the beginning and 916.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 208.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:34,165 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:44:34,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 933.3 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:34,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:44:34,167 INFO L168 Benchmark]: Boogie Preprocessor took 17.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:34,167 INFO L168 Benchmark]: RCFGBuilder took 186.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:34,167 INFO L168 Benchmark]: BuchiAutomizer took 3180.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 916.0 MB in the end (delta: 175.1 MB). Peak memory consumption was 235.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:34,168 INFO L168 Benchmark]: Witness Printer took 3.35 ms. Allocated memory is still 1.2 GB. Free memory is still 916.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:44:34,171 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 933.3 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 186.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3180.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 916.0 MB in the end (delta: 175.1 MB). Peak memory consumption was 235.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.35 ms. Allocated memory is still 1.2 GB. Free memory is still 916.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -1 * a + -4 * i and consists of 3 locations. One deterministic module has affine ranking function j and consists of 5 locations. One nondeterministic module has affine ranking function j and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 79 SDtfs, 116 SDslu, 40 SDs, 0 SdLazy, 136 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital165 mio100 ax110 hnf99 lsp86 ukn77 mio100 lsp64 div100 bol100 ite100 ukn100 eq180 hnf82 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...