./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:52:17,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:17,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:17,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:17,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:17,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:17,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:17,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:17,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:17,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:17,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:17,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:17,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:17,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:17,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:17,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:17,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:17,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:17,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:17,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:17,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:17,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:17,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:17,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:17,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:17,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:17,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:17,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:17,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:17,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:17,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:17,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:17,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:17,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:17,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:17,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:17,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:17,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:17,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:17,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:17,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:17,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:52:18,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:18,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:18,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:18,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:18,012 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:18,012 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:52:18,013 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:52:18,013 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:52:18,013 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:52:18,013 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:52:18,013 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:52:18,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:18,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:52:18,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:52:18,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:18,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:52:18,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:18,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:52:18,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:52:18,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:52:18,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:52:18,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:18,018 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:52:18,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:18,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:52:18,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:18,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:18,019 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:52:18,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:18,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:18,020 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:52:18,021 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:52:18,021 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 [2019-11-25 08:52:18,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:18,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:18,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:18,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:18,183 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:18,183 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/../../sv-benchmarks/c/loops/insertion_sort-1.c [2019-11-25 08:52:18,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/data/e77640cc6/ccdac73ac70244f49e5d91224b170119/FLAGd826dfd85 [2019-11-25 08:52:18,642 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:18,643 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/sv-benchmarks/c/loops/insertion_sort-1.c [2019-11-25 08:52:18,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/data/e77640cc6/ccdac73ac70244f49e5d91224b170119/FLAGd826dfd85 [2019-11-25 08:52:18,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/data/e77640cc6/ccdac73ac70244f49e5d91224b170119 [2019-11-25 08:52:18,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:18,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:18,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:18,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:18,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:18,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:18,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbec18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18, skipping insertion in model container [2019-11-25 08:52:18,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:18,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:18,706 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:18,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:18,846 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:18,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:18,947 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:18,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18 WrapperNode [2019-11-25 08:52:18,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:18,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:18,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:18,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:18,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:18,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:18,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:18,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:18,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:18,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:18,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:18,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:18,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:18,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:19,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:19,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:19,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... [2019-11-25 08:52:19,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:19,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:19,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:19,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:19,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:52:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:52:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:52:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:52:19,432 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:19,432 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-25 08:52:19,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:19 BoogieIcfgContainer [2019-11-25 08:52:19,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:19,434 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:52:19,434 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:52:19,439 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:52:19,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:52:19,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:52:18" (1/3) ... [2019-11-25 08:52:19,441 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5913a01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:52:19, skipping insertion in model container [2019-11-25 08:52:19,441 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:52:19,441 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:18" (2/3) ... [2019-11-25 08:52:19,442 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5913a01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:52:19, skipping insertion in model container [2019-11-25 08:52:19,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:52:19,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:19" (3/3) ... [2019-11-25 08:52:19,444 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1.c [2019-11-25 08:52:19,491 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:52:19,491 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:52:19,492 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:52:19,492 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:19,492 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:19,492 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:52:19,492 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:19,493 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:52:19,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-11-25 08:52:19,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2019-11-25 08:52:19,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:19,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:19,530 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:52:19,530 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:52:19,530 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:52:19,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-11-25 08:52:19,534 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2019-11-25 08:52:19,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:19,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:19,535 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:52:19,535 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:52:19,540 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 13#L14-3true [2019-11-25 08:52:19,541 INFO L796 eck$LassoCheckResult]: Loop: 13#L14-3true assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 16#L17-5true assume !true; 14#L17-6true call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 17#L14-2true main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 13#L14-3true [2019-11-25 08:52:19,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:19,546 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-25 08:52:19,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:19,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811568317] [2019-11-25 08:52:19,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:19,683 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:19,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:19,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1256252, now seen corresponding path program 1 times [2019-11-25 08:52:19,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:19,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154069858] [2019-11-25 08:52:19,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:19,715 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154069858] [2019-11-25 08:52:19,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:19,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:52:19,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050701362] [2019-11-25 08:52:19,720 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:52:19,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:19,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:52:19,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:52:19,732 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-25 08:52:19,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:19,737 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-25 08:52:19,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:52:19,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2019-11-25 08:52:19,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-25 08:52:19,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 19 transitions. [2019-11-25 08:52:19,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-25 08:52:19,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:52:19,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-25 08:52:19,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:52:19,745 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-25 08:52:19,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-25 08:52:19,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-25 08:52:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-25 08:52:19,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-11-25 08:52:19,765 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-25 08:52:19,765 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-25 08:52:19,765 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:52:19,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2019-11-25 08:52:19,766 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-25 08:52:19,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:19,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:19,766 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:52:19,766 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:52:19,767 INFO L794 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 53#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 54#L14-3 [2019-11-25 08:52:19,767 INFO L796 eck$LassoCheckResult]: Loop: 54#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 51#L17-5 main_#t~short4 := main_~i~0 >= 0; 48#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 49#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 59#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 60#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 54#L14-3 [2019-11-25 08:52:19,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:19,767 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-25 08:52:19,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:19,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066221239] [2019-11-25 08:52:19,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:19,792 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:19,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:19,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1188208494, now seen corresponding path program 1 times [2019-11-25 08:52:19,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:19,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843186584] [2019-11-25 08:52:19,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:19,833 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:19,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:19,834 INFO L82 PathProgramCache]: Analyzing trace with hash 268257712, now seen corresponding path program 1 times [2019-11-25 08:52:19,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:19,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045153635] [2019-11-25 08:52:19,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:19,893 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:20,075 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-11-25 08:52:20,316 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:52:20,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:52:20,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:52:20,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:52:20,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:52:20,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:20,322 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:52:20,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:52:20,323 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration2_Lasso [2019-11-25 08:52:20,323 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:52:20,323 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:52:20,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:20,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:21,043 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-25 08:52:21,110 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:52:21,115 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:21,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) [2019-11-25 08:52:21,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,161 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 [2019-11-25 08:52:21,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) [2019-11-25 08:52:21,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) [2019-11-25 08:52:21,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,203 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 [2019-11-25 08:52:21,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) [2019-11-25 08:52:21,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) [2019-11-25 08:52:21,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:21,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:21,288 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 [2019-11-25 08:52:21,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:21,297 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 [2019-11-25 08:52:21,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:21,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) [2019-11-25 08:52:21,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:21,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:21,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:21,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:21,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:21,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:21,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:21,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:21,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:21,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:21,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:21,400 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:52:21,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:21,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,425 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:52:21,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:21,454 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:52:21,613 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-25 08:52:21,613 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:21,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:21,636 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:52:21,637 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:52:21,638 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1, ULTIMATE.start_main_~#v~0.offset, ULTIMATE.start_main_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1 - 1*ULTIMATE.start_main_~#v~0.offset - 2*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-11-25 08:52:21,660 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-25 08:52:21,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:52:21,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:21,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:21,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:21,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:52:21,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:21,751 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:52:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:21,821 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-25 08:52:21,821 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 5 states. [2019-11-25 08:52:21,993 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 42 states and 59 transitions. Complement of second has 10 states. [2019-11-25 08:52:21,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:21,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:52:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2019-11-25 08:52:21,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-25 08:52:21,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:21,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-25 08:52:21,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:21,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-25 08:52:21,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:21,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2019-11-25 08:52:22,000 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-11-25 08:52:22,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 35 states and 49 transitions. [2019-11-25 08:52:22,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-25 08:52:22,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-25 08:52:22,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 49 transitions. [2019-11-25 08:52:22,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:22,002 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-25 08:52:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 49 transitions. [2019-11-25 08:52:22,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-11-25 08:52:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-25 08:52:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2019-11-25 08:52:22,006 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 47 transitions. [2019-11-25 08:52:22,006 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 47 transitions. [2019-11-25 08:52:22,006 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:52:22,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 47 transitions. [2019-11-25 08:52:22,008 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-11-25 08:52:22,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:22,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:22,008 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:52:22,008 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:52:22,009 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 181#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 182#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 192#L17-5 [2019-11-25 08:52:22,009 INFO L796 eck$LassoCheckResult]: Loop: 192#L17-5 main_#t~short4 := main_~i~0 >= 0; 196#L17-1 assume !main_#t~short4; 198#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 187#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 188#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 191#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 192#L17-5 [2019-11-25 08:52:22,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,009 INFO L82 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2019-11-25 08:52:22,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937474206] [2019-11-25 08:52:22,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,060 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:22,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1336163126, now seen corresponding path program 1 times [2019-11-25 08:52:22,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215958116] [2019-11-25 08:52:22,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,102 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:22,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,105 INFO L82 PathProgramCache]: Analyzing trace with hash -272098468, now seen corresponding path program 1 times [2019-11-25 08:52:22,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085698007] [2019-11-25 08:52:22,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:22,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085698007] [2019-11-25 08:52:22,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:22,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:52:22,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672838224] [2019-11-25 08:52:22,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:22,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:52:22,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:22,284 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. cyclomatic complexity: 18 Second operand 5 states. [2019-11-25 08:52:22,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:22,361 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2019-11-25 08:52:22,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:52:22,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2019-11-25 08:52:22,363 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2019-11-25 08:52:22,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 53 transitions. [2019-11-25 08:52:22,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-11-25 08:52:22,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2019-11-25 08:52:22,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 53 transitions. [2019-11-25 08:52:22,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:22,365 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-11-25 08:52:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 53 transitions. [2019-11-25 08:52:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 25. [2019-11-25 08:52:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-25 08:52:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-11-25 08:52:22,368 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-11-25 08:52:22,368 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-11-25 08:52:22,368 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:52:22,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2019-11-25 08:52:22,369 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:52:22,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:22,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:22,369 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:52:22,369 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:52:22,370 INFO L794 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 266#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 267#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 268#L14-4 main_~k~0 := 1; 269#L24-3 [2019-11-25 08:52:22,370 INFO L796 eck$LassoCheckResult]: Loop: 269#L24-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 270#L4 assume !(0 == __VERIFIER_assert_~cond); 279#L4-2 havoc main_#t~mem8;havoc main_#t~mem7; 277#L24-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 269#L24-3 [2019-11-25 08:52:22,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,370 INFO L82 PathProgramCache]: Analyzing trace with hash 925734, now seen corresponding path program 1 times [2019-11-25 08:52:22,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879408326] [2019-11-25 08:52:22,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,388 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:22,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,389 INFO L82 PathProgramCache]: Analyzing trace with hash 2500554, now seen corresponding path program 1 times [2019-11-25 08:52:22,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105527248] [2019-11-25 08:52:22,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,406 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:22,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,406 INFO L82 PathProgramCache]: Analyzing trace with hash 237874543, now seen corresponding path program 1 times [2019-11-25 08:52:22,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,407 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146596950] [2019-11-25 08:52:22,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:22,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146596950] [2019-11-25 08:52:22,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:22,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:52:22,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178634073] [2019-11-25 08:52:22,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:22,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:52:22,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:22,714 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-25 08:52:22,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:22,811 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2019-11-25 08:52:22,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:52:22,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 56 transitions. [2019-11-25 08:52:22,813 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2019-11-25 08:52:22,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 54 transitions. [2019-11-25 08:52:22,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-11-25 08:52:22,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-11-25 08:52:22,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2019-11-25 08:52:22,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:22,815 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-11-25 08:52:22,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2019-11-25 08:52:22,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2019-11-25 08:52:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-25 08:52:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-25 08:52:22,817 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-25 08:52:22,817 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-25 08:52:22,817 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:52:22,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-25 08:52:22,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:52:22,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:22,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:22,819 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:52:22,819 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:52:22,819 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 345#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 346#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 353#L17-5 main_#t~short4 := main_~i~0 >= 0; 339#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 340#L17-3 [2019-11-25 08:52:22,819 INFO L796 eck$LassoCheckResult]: Loop: 340#L17-3 assume !!main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 343#L18 assume main_~i~0 < 2;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5; 335#L18-2 main_~i~0 := main_~i~0 - 1; 336#L17-5 main_#t~short4 := main_~i~0 >= 0; 359#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 340#L17-3 [2019-11-25 08:52:22,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,820 INFO L82 PathProgramCache]: Analyzing trace with hash 28698826, now seen corresponding path program 1 times [2019-11-25 08:52:22,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228434645] [2019-11-25 08:52:22,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,860 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:22,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,860 INFO L82 PathProgramCache]: Analyzing trace with hash 53536832, now seen corresponding path program 1 times [2019-11-25 08:52:22,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558058316] [2019-11-25 08:52:22,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:22,885 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:22,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:22,887 INFO L82 PathProgramCache]: Analyzing trace with hash 99226903, now seen corresponding path program 1 times [2019-11-25 08:52:22,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:22,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214202076] [2019-11-25 08:52:22,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:22,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214202076] [2019-11-25 08:52:22,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126668239] [2019-11-25 08:52:22,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:22,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:22,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:22,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:52:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:22,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:52:22,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2019-11-25 08:52:22,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794941191] [2019-11-25 08:52:23,109 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-11-25 08:52:23,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:23,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:52:23,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:23,213 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 6 states. [2019-11-25 08:52:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:23,313 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2019-11-25 08:52:23,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:52:23,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 70 transitions. [2019-11-25 08:52:23,314 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2019-11-25 08:52:23,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 50 states and 61 transitions. [2019-11-25 08:52:23,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2019-11-25 08:52:23,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2019-11-25 08:52:23,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 61 transitions. [2019-11-25 08:52:23,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:23,316 INFO L688 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-11-25 08:52:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 61 transitions. [2019-11-25 08:52:23,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 31. [2019-11-25 08:52:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-25 08:52:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2019-11-25 08:52:23,319 INFO L711 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2019-11-25 08:52:23,319 INFO L591 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2019-11-25 08:52:23,319 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:52:23,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2019-11-25 08:52:23,320 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:52:23,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:23,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:23,324 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:23,324 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:52:23,324 INFO L794 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 473#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 474#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 479#L17-5 main_#t~short4 := main_~i~0 >= 0; 490#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 488#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 482#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 483#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 480#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 468#L17-5 [2019-11-25 08:52:23,324 INFO L796 eck$LassoCheckResult]: Loop: 468#L17-5 main_#t~short4 := main_~i~0 >= 0; 463#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 464#L17-3 assume !!main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 471#L18 assume main_~i~0 < 2;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5; 467#L18-2 main_~i~0 := main_~i~0 - 1; 468#L17-5 [2019-11-25 08:52:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:23,325 INFO L82 PathProgramCache]: Analyzing trace with hash -273945510, now seen corresponding path program 2 times [2019-11-25 08:52:23,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:23,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18688565] [2019-11-25 08:52:23,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:23,387 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:23,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:23,389 INFO L82 PathProgramCache]: Analyzing trace with hash 43044122, now seen corresponding path program 2 times [2019-11-25 08:52:23,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:23,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203430194] [2019-11-25 08:52:23,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:23,402 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:23,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:23,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1968681057, now seen corresponding path program 1 times [2019-11-25 08:52:23,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:23,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704236181] [2019-11-25 08:52:23,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:23,476 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:23,874 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2019-11-25 08:52:24,062 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-11-25 08:52:24,064 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:52:24,064 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:52:24,064 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:52:24,065 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:52:24,065 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:52:24,065 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:24,065 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:52:24,065 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:52:24,065 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration6_Lasso [2019-11-25 08:52:24,065 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:52:24,065 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:52:24,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:24,498 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:52:24,498 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:24,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:24,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:24,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:24,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:24,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:24,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:24,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:24,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:24,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:24,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:24,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:24,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:24,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:24,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:24,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:24,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:24,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:24,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:24,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:24,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:24,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:24,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:24,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:24,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:24,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:52:24,600 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-25 08:52:24,600 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:24,612 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:52:24,616 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:52:24,616 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:52:24,616 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2) = 2*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2 Supporting invariants [] [2019-11-25 08:52:24,634 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-25 08:52:24,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:52:24,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:24,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:24,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:24,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:52:24,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:24,726 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-25 08:52:24,726 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-25 08:52:24,806 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 70 states and 83 transitions. Complement of second has 9 states. [2019-11-25 08:52:24,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:52:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-11-25 08:52:24,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 9 letters. Loop has 5 letters. [2019-11-25 08:52:24,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:24,808 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:52:24,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:24,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:24,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:24,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:52:24,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:24,892 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-25 08:52:24,892 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-11-25 08:52:24,939 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 70 states and 83 transitions. Complement of second has 9 states. [2019-11-25 08:52:24,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:52:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-11-25 08:52:24,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 9 letters. Loop has 5 letters. [2019-11-25 08:52:24,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:24,941 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:52:24,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:24,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:24,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:24,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:52:24,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:25,035 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 4 loop predicates [2019-11-25 08:52:25,036 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-25 08:52:25,122 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 71 states and 88 transitions. Complement of second has 8 states. [2019-11-25 08:52:25,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:52:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2019-11-25 08:52:25,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 9 letters. Loop has 5 letters. [2019-11-25 08:52:25,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:25,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 14 letters. Loop has 5 letters. [2019-11-25 08:52:25,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:25,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 9 letters. Loop has 10 letters. [2019-11-25 08:52:25,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:25,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 88 transitions. [2019-11-25 08:52:25,127 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:52:25,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 39 states and 46 transitions. [2019-11-25 08:52:25,128 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-25 08:52:25,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:52:25,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 46 transitions. [2019-11-25 08:52:25,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:25,128 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2019-11-25 08:52:25,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 46 transitions. [2019-11-25 08:52:25,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 27. [2019-11-25 08:52:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-25 08:52:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2019-11-25 08:52:25,131 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-25 08:52:25,131 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-25 08:52:25,131 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:52:25,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions. [2019-11-25 08:52:25,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-25 08:52:25,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:25,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:25,133 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:25,134 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:52:25,134 INFO L794 eck$LassoCheckResult]: Stem: 918#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 913#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 914#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 921#L17-5 main_#t~short4 := main_~i~0 >= 0; 931#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 909#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 919#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 920#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 922#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 915#L14-4 main_~k~0 := 1; 916#L24-3 [2019-11-25 08:52:25,134 INFO L796 eck$LassoCheckResult]: Loop: 916#L24-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 917#L4 assume !(0 == __VERIFIER_assert_~cond); 925#L4-2 havoc main_#t~mem8;havoc main_#t~mem7; 924#L24-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 916#L24-3 [2019-11-25 08:52:25,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:25,134 INFO L82 PathProgramCache]: Analyzing trace with hash 97623763, now seen corresponding path program 1 times [2019-11-25 08:52:25,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:25,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547435582] [2019-11-25 08:52:25,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:25,157 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:25,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:25,158 INFO L82 PathProgramCache]: Analyzing trace with hash 2500554, now seen corresponding path program 2 times [2019-11-25 08:52:25,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:25,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169686707] [2019-11-25 08:52:25,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:25,168 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:25,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:25,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1938296220, now seen corresponding path program 1 times [2019-11-25 08:52:25,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:25,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367457813] [2019-11-25 08:52:25,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:25,203 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:25,531 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-11-25 08:52:25,682 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-11-25 08:52:25,688 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:52:25,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:52:25,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:52:25,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:52:25,689 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:52:25,689 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:25,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:52:25,689 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:52:25,689 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration7_Lasso [2019-11-25 08:52:25,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:52:25,690 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:52:25,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:25,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:26,283 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:52:26,283 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:26,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:26,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) [2019-11-25 08:52:26,364 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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 [2019-11-25 08:52:26,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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 [2019-11-25 08:52:26,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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 [2019-11-25 08:52:26,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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 [2019-11-25 08:52:26,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:26,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:26,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:26,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:26,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:26,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:26,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:26,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:26,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:26,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:26,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:26,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:26,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:26,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:26,475 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:52:26,502 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-25 08:52:26,502 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cfbccdd-3485-4dec-80ce-df71ddf53947/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:26,506 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:26,509 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:52:26,509 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:52:26,510 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3, ULTIMATE.start_main_~#v~0.offset) = -4*ULTIMATE.start_main_~k~0 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3 - 1*ULTIMATE.start_main_~#v~0.offset Supporting invariants [] [2019-11-25 08:52:26,527 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-25 08:52:26,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:52:26,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:26,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:26,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:26,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:52:26,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:26,570 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:26,570 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-25 08:52:26,583 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 31 states and 38 transitions. Complement of second has 4 states. [2019-11-25 08:52:26,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2019-11-25 08:52:26,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-25 08:52:26,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:26,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 4 letters. [2019-11-25 08:52:26,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:26,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-25 08:52:26,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:26,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2019-11-25 08:52:26,585 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:52:26,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2019-11-25 08:52:26,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:52:26,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:52:26,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:52:26,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:52:26,586 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:26,586 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:26,586 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:26,586 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-25 08:52:26,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:52:26,586 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:52:26,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:52:26,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:52:26 BoogieIcfgContainer [2019-11-25 08:52:26,594 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:52:26,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:26,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:26,595 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:26,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:19" (3/4) ... [2019-11-25 08:52:26,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:52:26,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:26,601 INFO L168 Benchmark]: Toolchain (without parser) took 7929.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -116.5 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:26,602 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:26,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:26,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:26,609 INFO L168 Benchmark]: Boogie Preprocessor took 25.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:26,609 INFO L168 Benchmark]: RCFGBuilder took 424.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:26,610 INFO L168 Benchmark]: BuchiAutomizer took 7159.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:26,610 INFO L168 Benchmark]: Witness Printer took 4.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:26,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 424.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7159.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[v] + -1 * v + -2 * j and consists of 6 locations. One deterministic module has affine ranking function -4 * k + unknown-#length-unknown[v] + -1 * v and consists of 3 locations. One nondeterministic module has affine ranking function 2 * i + unknown-#length-unknown[v] and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 5.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 63 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 33 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 235 SDslu, 179 SDs, 0 SdLazy, 242 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf99 lsp95 ukn64 mio100 lsp77 div222 bol100 ite100 ukn100 eq148 hnf58 smp86 dnf129 smp87 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 254ms VariablesStem: 6 VariablesLoop: 10 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...