./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 0.2.0-a4ecdab [2020-11-28 03:19:12,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:12,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:12,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:12,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:12,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:12,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:12,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:12,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:12,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:12,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:12,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:12,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:12,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:12,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:12,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:12,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:12,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:12,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:12,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:12,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:12,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:12,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:12,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:12,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:12,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:12,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:12,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:12,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:12,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:12,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:12,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:12,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:12,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:12,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:12,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:12,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:12,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:12,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:12,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:12,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:12,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:19:12,623 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:12,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:12,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:12,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:12,625 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:12,625 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:19:12,625 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:19:12,626 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:19:12,626 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:19:12,626 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:19:12,626 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:19:12,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:12,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:19:12,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:12,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:12,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:19:12,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:19:12,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:19:12,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:12,628 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:19:12,628 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:12,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:19:12,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:12,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:12,629 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:19:12,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:12,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:12,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:12,630 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:19:12,631 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:19:12,631 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8104a25549f6efe413528ca8cc098e1acad610e4 [2020-11-28 03:19:12,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:12,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:12,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:12,920 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:12,922 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:12,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2020-11-28 03:19:12,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/data/6f5546d76/994df2164d7d48fb9788e826d5cdbebc/FLAGc3fd56062 [2020-11-28 03:19:13,489 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:13,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2020-11-28 03:19:13,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/data/6f5546d76/994df2164d7d48fb9788e826d5cdbebc/FLAGc3fd56062 [2020-11-28 03:19:13,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/data/6f5546d76/994df2164d7d48fb9788e826d5cdbebc [2020-11-28 03:19:13,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:13,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:13,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:13,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:13,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:13,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:13,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d16903b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13, skipping insertion in model container [2020-11-28 03:19:13,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:13,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:13,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:14,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:14,205 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:14,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:14,288 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:14,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14 WrapperNode [2020-11-28 03:19:14,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:14,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:14,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:14,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:14,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:14,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:14,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:14,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:14,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... [2020-11-28 03:19:14,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:14,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:14,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:14,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:14,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:19:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:19:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:19:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:14,926 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:14,926 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 03:19:14,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:14 BoogieIcfgContainer [2020-11-28 03:19:14,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:14,931 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:19:14,931 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:19:14,934 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:19:14,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:19:14,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:19:13" (1/3) ... [2020-11-28 03:19:14,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52944568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:19:14, skipping insertion in model container [2020-11-28 03:19:14,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:19:14,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:14" (2/3) ... [2020-11-28 03:19:14,937 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52944568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:19:14, skipping insertion in model container [2020-11-28 03:19:14,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:19:14,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:14" (3/3) ... [2020-11-28 03:19:14,939 INFO L373 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-2.i [2020-11-28 03:19:14,994 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:19:14,994 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:19:14,994 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:19:14,995 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:14,995 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:14,995 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:19:14,995 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:14,995 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:19:15,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-28 03:19:15,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:19:15,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:15,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:15,027 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:19:15,028 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:15,028 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:19:15,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-28 03:19:15,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:19:15,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:15,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:15,030 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:19:15,030 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:15,038 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 [2020-11-28 03:19:15,038 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 [2020-11-28 03:19:15,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:15,045 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-11-28 03:19:15,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:15,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936959710] [2020-11-28 03:19:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:15,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:15,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:15,192 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:15,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:15,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1465782, now seen corresponding path program 1 times [2020-11-28 03:19:15,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:15,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314234261] [2020-11-28 03:19:15,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:15,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:15,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314234261] [2020-11-28 03:19:15,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:15,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:15,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777752044] [2020-11-28 03:19:15,239 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:19:15,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:15,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:19:15,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:15,258 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2020-11-28 03:19:15,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:15,264 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2020-11-28 03:19:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:19:15,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2020-11-28 03:19:15,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:19:15,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 14 transitions. [2020-11-28 03:19:15,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-28 03:19:15,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-28 03:19:15,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2020-11-28 03:19:15,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:19:15,272 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-11-28 03:19:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2020-11-28 03:19:15,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-28 03:19:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 03:19:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2020-11-28 03:19:15,300 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-11-28 03:19:15,300 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-11-28 03:19:15,301 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:19:15,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2020-11-28 03:19:15,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:19:15,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:15,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:15,302 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:19:15,302 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:19:15,303 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 43#L560 assume !(main_~array_size~0 < 1); 44#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 41#L550-3 [2020-11-28 03:19:15,303 INFO L796 eck$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 [2020-11-28 03:19:15,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:15,304 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2020-11-28 03:19:15,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:15,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627563436] [2020-11-28 03:19:15,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:15,317 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:15,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:15,330 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:15,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:15,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1394338221, now seen corresponding path program 1 times [2020-11-28 03:19:15,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:15,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529972261] [2020-11-28 03:19:15,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:15,357 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:15,374 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:15,377 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:15,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:15,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1897689455, now seen corresponding path program 1 times [2020-11-28 03:19:15,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:15,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162828688] [2020-11-28 03:19:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:15,402 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:15,425 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:15,432 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:15,630 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-11-28 03:19:15,850 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-11-28 03:19:15,925 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:19:15,926 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:19:15,927 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:19:15,927 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:19:15,927 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:19:15,927 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:15,927 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:19:15,933 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:19:15,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration2_Lasso [2020-11-28 03:19:15,933 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:19:15,934 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:19:15,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:15,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:15,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:15,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:15,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:15,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:15,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:16,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:16,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:16,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:16,176 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-11-28 03:19:16,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:16,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:16,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:16,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:16,671 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:19:16,676 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:16,687 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 [2020-11-28 03:19:16,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:16,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:16,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:16,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:16,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:16,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:16,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:16,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:16,739 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 [2020-11-28 03:19:16,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:16,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:16,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:16,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:16,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:16,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:16,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:16,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:16,776 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 [2020-11-28 03:19:16,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:16,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:16,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:16,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:16,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:16,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:16,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:16,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:16,854 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 [2020-11-28 03:19:16,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:16,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:16,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:16,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:16,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:16,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:16,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:16,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:16,898 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 [2020-11-28 03:19:16,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:16,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:16,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:16,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:16,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:16,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:16,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:16,941 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 [2020-11-28 03:19:16,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:16,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:16,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:16,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:16,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:16,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:16,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:16,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:16,974 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 [2020-11-28 03:19:16,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:16,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:16,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:16,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:16,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:16,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:16,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:17,030 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 [2020-11-28 03:19:17,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:17,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:17,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:17,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:17,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:17,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:17,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:17,080 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 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:17,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:17,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:17,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:17,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:17,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:17,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:17,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:17,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:17,133 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 [2020-11-28 03:19:17,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:17,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:17,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:17,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:17,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:17,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:17,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:17,176 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 [2020-11-28 03:19:17,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:17,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:17,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:17,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:17,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:17,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:17,193 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:17,238 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 [2020-11-28 03:19:17,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:17,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:17,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:17,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:17,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:17,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:17,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:17,288 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 [2020-11-28 03:19:17,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:17,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:17,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:17,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:17,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:17,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:17,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:17,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:17,330 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 [2020-11-28 03:19:17,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:17,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:17,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:17,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:17,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:17,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:17,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:17,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:17,357 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 [2020-11-28 03:19:17,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:17,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:17,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:17,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:17,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:17,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:17,397 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:19:17,486 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-28 03:19:17,486 INFO L444 ModelExtractionUtils]: 23 out of 37 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:17,499 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:17,502 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:19:17,502 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:19:17,503 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~a.offset, ULTIMATE.start_insertionSort_~i~0, v_rep(select #length ULTIMATE.start_insertionSort_~a.base)_1) = -1*ULTIMATE.start_insertionSort_~a.offset - 4*ULTIMATE.start_insertionSort_~i~0 + 1*v_rep(select #length ULTIMATE.start_insertionSort_~a.base)_1 Supporting invariants [] [2020-11-28 03:19:17,551 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-11-28 03:19:17,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:19:17,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:17,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:19:17,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:17,734 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 [2020-11-28 03:19:17,735 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-11-28 03:19:17,784 INFO L75 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. [2020-11-28 03:19:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:19:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:19:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-11-28 03:19:17,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 6 letters. [2020-11-28 03:19:17,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:17,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2020-11-28 03:19:17,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:17,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 12 letters. [2020-11-28 03:19:17,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:17,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2020-11-28 03:19:17,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:17,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 23 transitions. [2020-11-28 03:19:17,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-28 03:19:17,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:19:17,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2020-11-28 03:19:17,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:19:17,793 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-11-28 03:19:17,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2020-11-28 03:19:17,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2020-11-28 03:19:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-28 03:19:17,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2020-11-28 03:19:17,798 INFO L714 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2020-11-28 03:19:17,798 INFO L594 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2020-11-28 03:19:17,798 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:19:17,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2020-11-28 03:19:17,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:17,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:17,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:17,800 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:19:17,800 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:17,800 INFO L794 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 140#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 141#L560 assume !(main_~array_size~0 < 1); 142#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 143#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 135#L553-6 [2020-11-28 03:19:17,801 INFO L796 eck$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 [2020-11-28 03:19:17,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,801 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2020-11-28 03:19:17,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003946936] [2020-11-28 03:19:17,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:17,815 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:17,825 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:17,828 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:17,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 1 times [2020-11-28 03:19:17,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924926255] [2020-11-28 03:19:17,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:17,836 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:17,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:17,845 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:17,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1185710257, now seen corresponding path program 1 times [2020-11-28 03:19:17,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087529768] [2020-11-28 03:19:17,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:17,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:17,908 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:17,917 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:18,089 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-11-28 03:19:18,298 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-11-28 03:19:18,368 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:19:18,368 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:19:18,368 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:19:18,368 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:19:18,369 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:19:18,369 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:18,369 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:19:18,369 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:19:18,369 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration3_Lasso [2020-11-28 03:19:18,369 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:19:18,369 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:19:18,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,655 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-11-28 03:19:18,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:18,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:19,200 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:19:19,200 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:19,229 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 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:19,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:19,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:19,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:19,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:19,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:19,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:19,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:19,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:19,254 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 [2020-11-28 03:19:19,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:19,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:19,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:19,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:19,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:19,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:19,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:19,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:19,311 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 [2020-11-28 03:19:19,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:19,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:19,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:19,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:19,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:19,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:19,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:19,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:19,366 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 [2020-11-28 03:19:19,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:19,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:19,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:19,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:19,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:19,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:19,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:19,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:19,418 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 [2020-11-28 03:19:19,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:19,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:19,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:19,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:19,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:19,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:19,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:19,464 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 [2020-11-28 03:19:19,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:19,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:19,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:19,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:19,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:19,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:19,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:19,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:19,526 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 [2020-11-28 03:19:19,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:19,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:19,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:19,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:19,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:19,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:19,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:19,584 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 [2020-11-28 03:19:19,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:19,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:19,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:19,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:19,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:19,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:19,618 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:19:19,646 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-28 03:19:19,646 INFO L444 ModelExtractionUtils]: 29 out of 37 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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) [2020-11-28 03:19:19,649 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:19,657 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:19:19,658 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:19:19,658 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2020-11-28 03:19:19,707 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-11-28 03:19:19,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:19,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:19,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:19,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:19:19,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:19,803 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 [2020-11-28 03:19:19,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-11-28 03:19:19,863 INFO L75 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. [2020-11-28 03:19:19,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:19:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:19:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-11-28 03:19:19,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2020-11-28 03:19:19,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:19,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2020-11-28 03:19:19,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:19,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2020-11-28 03:19:19,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:19,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2020-11-28 03:19:19,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:19,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 30 states and 40 transitions. [2020-11-28 03:19:19,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-28 03:19:19,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-28 03:19:19,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2020-11-28 03:19:19,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:19:19,876 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-11-28 03:19:19,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2020-11-28 03:19:19,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2020-11-28 03:19:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-28 03:19:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2020-11-28 03:19:19,881 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2020-11-28 03:19:19,881 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2020-11-28 03:19:19,882 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:19:19,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2020-11-28 03:19:19,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:19,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:19,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:19,884 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:19,884 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:19,884 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 [2020-11-28 03:19:19,884 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 [2020-11-28 03:19:19,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:19,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1303016098, now seen corresponding path program 1 times [2020-11-28 03:19:19,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:19,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91145464] [2020-11-28 03:19:19,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:19,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91145464] [2020-11-28 03:19:19,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:19,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:19,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634713303] [2020-11-28 03:19:19,948 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:19:19,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:19,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 2 times [2020-11-28 03:19:19,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:19,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169502602] [2020-11-28 03:19:19,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:19,958 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:19,977 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:19,979 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:20,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:20,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:20,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:20,094 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand 5 states. [2020-11-28 03:19:20,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:20,169 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-11-28 03:19:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:20,169 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2020-11-28 03:19:20,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:20,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 50 transitions. [2020-11-28 03:19:20,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-28 03:19:20,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-28 03:19:20,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 50 transitions. [2020-11-28 03:19:20,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:19:20,172 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-11-28 03:19:20,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 50 transitions. [2020-11-28 03:19:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2020-11-28 03:19:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:19:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2020-11-28 03:19:20,175 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-11-28 03:19:20,175 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-11-28 03:19:20,175 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:19:20,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2020-11-28 03:19:20,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:20,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:20,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:20,177 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:20,177 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:20,179 INFO L794 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 347#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; 348#L560 assume !(main_~array_size~0 < 1); 349#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; 350#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; 354#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 359#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; 360#L553-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 361#L553-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 345#L550-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 346#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; 355#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 357#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; 358#L553-3 [2020-11-28 03:19:20,180 INFO L796 eck$LassoCheckResult]: Loop: 358#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; 341#L553-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 342#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 351#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; 358#L553-3 [2020-11-28 03:19:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:20,180 INFO L82 PathProgramCache]: Analyzing trace with hash 587980355, now seen corresponding path program 2 times [2020-11-28 03:19:20,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:20,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402069626] [2020-11-28 03:19:20,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:20,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:20,252 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:20,256 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:20,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:20,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1910182, now seen corresponding path program 3 times [2020-11-28 03:19:20,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:20,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931406275] [2020-11-28 03:19:20,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:20,267 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:20,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:20,273 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:20,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:20,274 INFO L82 PathProgramCache]: Analyzing trace with hash -508816664, now seen corresponding path program 1 times [2020-11-28 03:19:20,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:20,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883135236] [2020-11-28 03:19:20,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:20,294 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:20,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:20,317 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:20,490 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-11-28 03:19:20,984 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 99 [2020-11-28 03:19:21,098 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-28 03:19:21,099 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:19:21,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:19:21,100 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:19:21,100 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:19:21,100 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:19:21,100 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:21,100 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:19:21,100 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:19:21,100 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration5_Lasso [2020-11-28 03:19:21,100 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:19:21,100 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:19:21,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:21,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:21,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:21,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:21,755 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2020-11-28 03:19:22,003 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-11-28 03:19:22,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:22,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:22,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:22,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:22,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:22,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:22,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:22,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:22,615 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-11-28 03:19:22,730 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-11-28 03:19:22,758 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:19:22,758 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:22,764 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 [2020-11-28 03:19:22,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:22,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:22,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:22,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:22,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:22,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:22,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:22,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/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 [2020-11-28 03:19:22,788 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 [2020-11-28 03:19:22,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:22,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:22,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:22,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:22,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:22,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:22,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:22,791 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:22,813 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 [2020-11-28 03:19:22,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:22,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:22,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:22,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:22,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:22,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:22,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:22,840 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 [2020-11-28 03:19:22,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:22,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:22,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:22,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:22,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:22,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:22,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:22,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:22,864 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 [2020-11-28 03:19:22,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:22,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:22,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:22,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:22,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:22,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:22,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:22,913 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 [2020-11-28 03:19:22,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:22,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:22,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:22,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:22,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:22,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:22,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:19:22,974 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 [2020-11-28 03:19:22,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:22,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:22,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:22,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:22,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:22,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:23,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:19:23,035 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-28 03:19:23,035 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_30307943-34b5-4b2c-b232-b63f0be748ba/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:19:23,038 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:23,041 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:19:23,041 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:19:23,041 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2020-11-28 03:19:23,117 INFO L297 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2020-11-28 03:19:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:23,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:23,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:23,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:19:23,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:23,227 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 [2020-11-28 03:19:23,227 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-11-28 03:19:23,312 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 50 states and 62 transitions. Complement of second has 9 states. [2020-11-28 03:19:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:19:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:19:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-11-28 03:19:23,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2020-11-28 03:19:23,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:23,314 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:19:23,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:23,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:23,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:23,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:19:23,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:23,404 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 [2020-11-28 03:19:23,404 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-11-28 03:19:23,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 51 states and 63 transitions. Complement of second has 9 states. [2020-11-28 03:19:23,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:19:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:19:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-11-28 03:19:23,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2020-11-28 03:19:23,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:23,475 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:19:23,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:23,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:23,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:23,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:19:23,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:23,546 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 [2020-11-28 03:19:23,546 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-11-28 03:19:23,640 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 61 states and 78 transitions. Complement of second has 8 states. [2020-11-28 03:19:23,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:19:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:19:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-11-28 03:19:23,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 13 letters. Loop has 4 letters. [2020-11-28 03:19:23,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:23,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 17 letters. Loop has 4 letters. [2020-11-28 03:19:23,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:23,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 13 letters. Loop has 8 letters. [2020-11-28 03:19:23,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:23,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 78 transitions. [2020-11-28 03:19:23,646 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:19:23,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 0 states and 0 transitions. [2020-11-28 03:19:23,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:19:23,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:19:23,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:19:23,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:19:23,647 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:23,647 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:23,647 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:23,647 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:19:23,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:19:23,647 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:19:23,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:19:23,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:19:23 BoogieIcfgContainer [2020-11-28 03:19:23,652 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:19:23,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:23,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:23,653 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:23,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:14" (3/4) ... [2020-11-28 03:19:23,655 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:19:23,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:23,656 INFO L168 Benchmark]: Toolchain (without parser) took 9829.11 ms. Allocated memory was 90.2 MB in the beginning and 163.6 MB in the end (delta: 73.4 MB). Free memory was 53.4 MB in the beginning and 128.9 MB in the end (delta: -75.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:23,656 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:23,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.89 ms. Allocated memory is still 90.2 MB. Free memory was 53.2 MB in the beginning and 57.6 MB in the end (delta: -4.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:23,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.87 ms. Allocated memory is still 90.2 MB. Free memory was 57.6 MB in the beginning and 55.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:23,658 INFO L168 Benchmark]: Boogie Preprocessor took 24.28 ms. Allocated memory is still 90.2 MB. Free memory was 55.9 MB in the beginning and 54.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:23,658 INFO L168 Benchmark]: RCFGBuilder took 571.60 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 40.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:23,659 INFO L168 Benchmark]: BuchiAutomizer took 8723.31 ms. Allocated memory was 90.2 MB in the beginning and 163.6 MB in the end (delta: 73.4 MB). Free memory was 40.1 MB in the beginning and 130.0 MB in the end (delta: -89.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:23,659 INFO L168 Benchmark]: Witness Printer took 2.62 ms. Allocated memory is still 163.6 MB. Free memory was 130.0 MB in the beginning and 128.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:23,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.89 ms. Allocated memory is still 90.2 MB. Free memory was 53.2 MB in the beginning and 57.6 MB in the end (delta: -4.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.87 ms. Allocated memory is still 90.2 MB. Free memory was 57.6 MB in the beginning and 55.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.28 ms. Allocated memory is still 90.2 MB. Free memory was 55.9 MB in the beginning and 54.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 571.60 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 40.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8723.31 ms. Allocated memory was 90.2 MB in the beginning and 163.6 MB in the end (delta: 73.4 MB). Free memory was 40.1 MB in the beginning and 130.0 MB in the end (delta: -89.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.62 ms. Allocated memory is still 163.6 MB. Free memory was 130.0 MB in the beginning and 128.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 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 -1 * a + -4 * i + unknown-#length-unknown[a] 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 8.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.5s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 88 SDtfs, 108 SDslu, 37 SDs, 0 SdLazy, 137 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital174 mio100 ax110 hnf99 lsp88 ukn94 mio100 lsp49 div100 bol100 ite100 ukn100 eq182 hnf86 smp100 dnf149 smp83 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms 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...