./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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 67df9bfb6d520441572384e685c149d99c29f78c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:39:43,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:39:43,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:39:43,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:39:43,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:39:43,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:39:43,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:39:43,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:39:43,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:39:43,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:39:43,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:39:43,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:39:43,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:39:43,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:39:43,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:39:43,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:39:43,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:39:43,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:39:43,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:39:43,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:39:43,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:39:43,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:39:43,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:39:43,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:39:43,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:39:43,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:39:43,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:39:43,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:39:43,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:39:43,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:39:43,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:39:43,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:39:43,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:39:43,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:39:43,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:39:43,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:39:43,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:39:43,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:39:43,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:39:43,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:39:43,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:39:43,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 04:39:43,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:39:43,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:39:43,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:39:43,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:39:43,930 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:39:43,931 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:39:43,931 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:39:43,931 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:39:43,931 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:39:43,932 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:39:43,932 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:39:43,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:39:43,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:39:43,933 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:39:43,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:39:43,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:39:43,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:39:43,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:39:43,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:39:43,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:39:43,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:39:43,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:39:43,935 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:39:43,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:39:43,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:39:43,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:39:43,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:39:43,937 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:39:43,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:39:43,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:39:43,937 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:39:43,938 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:39:43,939 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_1adf2635-6e4b-46ed-878b-8323c933ba03/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 -> 67df9bfb6d520441572384e685c149d99c29f78c [2019-11-20 04:39:44,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:39:44,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:39:44,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:39:44,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:39:44,110 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:39:44,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/../../sv-benchmarks/c/loops/insertion_sort-2.c [2019-11-20 04:39:44,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/data/776720e0b/6ba1a6497c7247ee90df6061d5360bb9/FLAGdf0bb0f29 [2019-11-20 04:39:44,567 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:39:44,568 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/sv-benchmarks/c/loops/insertion_sort-2.c [2019-11-20 04:39:44,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/data/776720e0b/6ba1a6497c7247ee90df6061d5360bb9/FLAGdf0bb0f29 [2019-11-20 04:39:44,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/data/776720e0b/6ba1a6497c7247ee90df6061d5360bb9 [2019-11-20 04:39:44,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:39:44,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:39:44,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:39:44,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:39:44,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:39:44,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:44" (1/1) ... [2019-11-20 04:39:44,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee6fa8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:44, skipping insertion in model container [2019-11-20 04:39:44,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:44" (1/1) ... [2019-11-20 04:39:44,952 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:39:44,972 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:39:45,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:39:45,183 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:39:45,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:39:45,294 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:39:45,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45 WrapperNode [2019-11-20 04:39:45,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:39:45,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:39:45,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:39:45,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:39:45,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:39:45,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:39:45,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:39:45,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:39:45,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... [2019-11-20 04:39:45,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:39:45,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:39:45,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:39:45,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:39:45,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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 [2019-11-20 04:39:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:39:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:39:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:39:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:39:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:39:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:39:45,623 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:39:45,624 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 04:39:45,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:45 BoogieIcfgContainer [2019-11-20 04:39:45,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:39:45,626 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:39:45,626 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:39:45,629 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:39:45,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:39:45,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:39:44" (1/3) ... [2019-11-20 04:39:45,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a0b706f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:39:45, skipping insertion in model container [2019-11-20 04:39:45,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:39:45,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:45" (2/3) ... [2019-11-20 04:39:45,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a0b706f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:39:45, skipping insertion in model container [2019-11-20 04:39:45,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:39:45,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:45" (3/3) ... [2019-11-20 04:39:45,633 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertion_sort-2.c [2019-11-20 04:39:45,671 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:39:45,672 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:39:45,672 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:39:45,672 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:39:45,672 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:39:45,672 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:39:45,672 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:39:45,672 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:39:45,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 04:39:45,716 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-20 04:39:45,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:39:45,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:39:45,722 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:39:45,722 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 04:39:45,722 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:39:45,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 04:39:45,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-20 04:39:45,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:39:45,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:39:45,725 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:39:45,725 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 04:39:45,733 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 11#L14-3true [2019-11-20 04:39:45,734 INFO L796 eck$LassoCheckResult]: Loop: 11#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; 13#L17-5true assume !true; 12#L17-6true call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 14#L14-2true main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 11#L14-3true [2019-11-20 04:39:45,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:45,739 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 04:39:45,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:45,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433013516] [2019-11-20 04:39:45,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:45,872 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:45,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:45,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1249301, now seen corresponding path program 1 times [2019-11-20 04:39:45,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:45,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234291656] [2019-11-20 04:39:45,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:45,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234291656] [2019-11-20 04:39:45,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:39:45,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:39:45,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965160776] [2019-11-20 04:39:45,908 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 04:39:45,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:39:45,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 04:39:45,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:39:45,920 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-20 04:39:45,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:39:45,925 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-11-20 04:39:45,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 04:39:45,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-11-20 04:39:45,928 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 04:39:45,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 16 transitions. [2019-11-20 04:39:45,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 04:39:45,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 04:39:45,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-11-20 04:39:45,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:39:45,932 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 04:39:45,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-11-20 04:39:45,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 04:39:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 04:39:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-20 04:39:45,951 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 04:39:45,951 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 04:39:45,952 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:39:45,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-20 04:39:45,952 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 04:39:45,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:39:45,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:39:45,953 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:39:45,953 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:39:45,953 INFO L794 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 48#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; 49#L14-3 [2019-11-20 04:39:45,953 INFO L796 eck$LassoCheckResult]: Loop: 49#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; 55#L17-5 main_#t~short4 := main_~i~0 >= 0; 44#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; 45#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 53#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 54#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 49#L14-3 [2019-11-20 04:39:45,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:45,954 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-20 04:39:45,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:45,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461938374] [2019-11-20 04:39:45,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:45,977 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:45,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1188208270, now seen corresponding path program 1 times [2019-11-20 04:39:45,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:45,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28980280] [2019-11-20 04:39:45,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:46,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:46,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:46,025 INFO L82 PathProgramCache]: Analyzing trace with hash 268257488, now seen corresponding path program 1 times [2019-11-20 04:39:46,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:46,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900428444] [2019-11-20 04:39:46,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:46,109 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:46,297 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-11-20 04:39:46,549 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:39:46,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:39:46,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:39:46,550 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:39:46,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:39:46,550 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:46,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:39:46,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:39:46,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration2_Lasso [2019-11-20 04:39:46,551 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:39:46,551 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:39:46,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:46,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:47,236 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-20 04:39:47,307 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:39:47,315 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:47,325 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 [2019-11-20 04:39:47,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,331 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 [2019-11-20 04:39:47,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:47,345 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 [2019-11-20 04:39:47,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,350 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 [2019-11-20 04:39:47,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:47,364 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 [2019-11-20 04:39:47,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,368 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 [2019-11-20 04:39:47,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:47,390 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 [2019-11-20 04:39:47,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,394 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 [2019-11-20 04:39:47,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:47,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:39:47,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,422 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 [2019-11-20 04:39:47,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:47,440 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 [2019-11-20 04:39:47,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,445 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 [2019-11-20 04:39:47,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:47,465 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 [2019-11-20 04:39:47,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:47,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:47,491 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 [2019-11-20 04:39:47,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:47,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:47,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:39:47,513 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 [2019-11-20 04:39:47,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:47,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:47,535 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 [2019-11-20 04:39:47,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:47,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:47,565 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 [2019-11-20 04:39:47,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:47,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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 [2019-11-20 04:39:47,582 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 [2019-11-20 04:39:47,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:47,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:47,602 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 [2019-11-20 04:39:47,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:47,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:47,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:47,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:47,621 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 [2019-11-20 04:39:47,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:47,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:47,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:47,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:47,657 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 [2019-11-20 04:39:47,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:47,660 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 04:39:47,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:47,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:47,673 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 04:39:47,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:47,699 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:39:47,777 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 04:39:47,778 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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 [2019-11-20 04:39:47,813 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:39:47,821 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:39:47,821 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:39:47,822 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 - 4*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-11-20 04:39:47,837 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 04:39:47,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 04:39:47,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:47,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:39:47,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:47,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:39:47,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:47,941 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 [2019-11-20 04:39:47,942 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 04:39:48,005 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 25 states and 34 transitions. Complement of second has 6 states. [2019-11-20 04:39:48,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 04:39:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 04:39:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-20 04:39:48,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-20 04:39:48,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:48,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-20 04:39:48,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:48,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-20 04:39:48,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:48,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 34 transitions. [2019-11-20 04:39:48,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:39:48,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 25 transitions. [2019-11-20 04:39:48,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 04:39:48,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-20 04:39:48,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-20 04:39:48,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:39:48,014 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 04:39:48,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-20 04:39:48,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-20 04:39:48,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:39:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2019-11-20 04:39:48,016 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-11-20 04:39:48,016 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-11-20 04:39:48,016 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 04:39:48,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2019-11-20 04:39:48,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:39:48,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:39:48,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:39:48,018 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 04:39:48,018 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 04:39:48,018 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 143#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; 144#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; 151#L17-5 [2019-11-20 04:39:48,018 INFO L796 eck$LassoCheckResult]: Loop: 151#L17-5 main_#t~short4 := main_~i~0 >= 0; 137#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; 138#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3;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;main_~i~0 := main_~i~0 - 1; 151#L17-5 [2019-11-20 04:39:48,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:48,019 INFO L82 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2019-11-20 04:39:48,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:48,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101305214] [2019-11-20 04:39:48,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:48,068 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:48,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:48,068 INFO L82 PathProgramCache]: Analyzing trace with hash 44790, now seen corresponding path program 1 times [2019-11-20 04:39:48,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:48,081 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794963106] [2019-11-20 04:39:48,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:48,092 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:48,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:48,093 INFO L82 PathProgramCache]: Analyzing trace with hash 889663632, now seen corresponding path program 1 times [2019-11-20 04:39:48,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:48,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171698248] [2019-11-20 04:39:48,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:48,168 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:48,392 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-11-20 04:39:48,517 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-11-20 04:39:48,520 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:39:48,520 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:39:48,520 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:39:48,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:39:48,520 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:39:48,520 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:48,521 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:39:48,521 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:39:48,521 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration3_Lasso [2019-11-20 04:39:48,521 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:39:48,521 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:39:48,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:48,936 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:39:48,936 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:48,954 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 [2019-11-20 04:39:48,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:48,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:48,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:48,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:48,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:48,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:48,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:48,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:48,978 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 [2019-11-20 04:39:48,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:48,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:48,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:48,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:48,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:48,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:48,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:48,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,009 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 [2019-11-20 04:39:49,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:49,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:49,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,034 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 [2019-11-20 04:39:49,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:49,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:49,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,053 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 [2019-11-20 04:39:49,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:49,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,081 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 [2019-11-20 04:39:49,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:49,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:49,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,094 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 [2019-11-20 04:39:49,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:49,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:49,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,109 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 [2019-11-20 04:39:49,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:49,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:49,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,119 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 [2019-11-20 04:39:49,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:49,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:49,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,123 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,131 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 [2019-11-20 04:39:49,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:49,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:49,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,148 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 [2019-11-20 04:39:49,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:49,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:49,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,158 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 [2019-11-20 04:39:49,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:49,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,178 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 [2019-11-20 04:39:49,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:49,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:49,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:49,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:49,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:49,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,201 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:39:49,216 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 04:39:49,216 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) [2019-11-20 04:39:49,224 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:49,227 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:39:49,227 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:39:49,227 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-11-20 04:39:49,239 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 04:39:49,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:49,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:39:49,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:49,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:39:49,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:49,323 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 04:39:49,324 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-11-20 04:39:49,371 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 69 states and 87 transitions. Complement of second has 9 states. [2019-11-20 04:39:49,373 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 [2019-11-20 04:39:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 04:39:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-20 04:39:49,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-20 04:39:49,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:49,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-20 04:39:49,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:49,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-20 04:39:49,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:49,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 87 transitions. [2019-11-20 04:39:49,380 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2019-11-20 04:39:49,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 45 states and 58 transitions. [2019-11-20 04:39:49,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-20 04:39:49,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-20 04:39:49,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2019-11-20 04:39:49,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:39:49,383 INFO L688 BuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2019-11-20 04:39:49,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2019-11-20 04:39:49,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 22. [2019-11-20 04:39:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 04:39:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2019-11-20 04:39:49,395 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-20 04:39:49,395 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-20 04:39:49,395 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 04:39:49,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2019-11-20 04:39:49,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:39:49,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:39:49,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:39:49,400 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 04:39:49,400 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 04:39:49,400 INFO L794 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 283#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; 284#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 285#L14-4 main_~k~0 := 1; 281#L23-3 [2019-11-20 04:39:49,401 INFO L796 eck$LassoCheckResult]: Loop: 281#L23-3 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; 282#L4 assume !(0 == __VERIFIER_assert_~cond); 295#L4-2 havoc main_#t~mem7;havoc main_#t~mem8; 286#L23-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 281#L23-3 [2019-11-20 04:39:49,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:49,401 INFO L82 PathProgramCache]: Analyzing trace with hash 925727, now seen corresponding path program 1 times [2019-11-20 04:39:49,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:49,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540575241] [2019-11-20 04:39:49,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:49,439 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:49,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:49,439 INFO L82 PathProgramCache]: Analyzing trace with hash 2285066, now seen corresponding path program 1 times [2019-11-20 04:39:49,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:49,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292134327] [2019-11-20 04:39:49,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:49,475 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:49,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:49,475 INFO L82 PathProgramCache]: Analyzing trace with hash 231194408, now seen corresponding path program 1 times [2019-11-20 04:39:49,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:49,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246146561] [2019-11-20 04:39:49,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:49,692 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246146561] [2019-11-20 04:39:49,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:39:49,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:39:49,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126101365] [2019-11-20 04:39:49,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:39:49,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:39:49,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:39:49,837 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 13 Second operand 4 states. [2019-11-20 04:39:49,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:39:49,938 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-11-20 04:39:49,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:39:49,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2019-11-20 04:39:49,939 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:39:49,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 24 states and 32 transitions. [2019-11-20 04:39:49,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 04:39:49,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 04:39:49,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2019-11-20 04:39:49,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:39:49,941 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-20 04:39:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2019-11-20 04:39:49,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2019-11-20 04:39:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 04:39:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-20 04:39:49,943 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-20 04:39:49,943 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-20 04:39:49,943 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 04:39:49,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-11-20 04:39:49,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:39:49,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:39:49,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:39:49,945 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:39:49,945 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 04:39:49,945 INFO L794 eck$LassoCheckResult]: Stem: 346#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 342#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; 343#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; 349#L17-5 main_#t~short4 := main_~i~0 >= 0; 338#L17-1 assume !main_#t~short4; 339#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 347#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 348#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 350#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; 352#L17-5 [2019-11-20 04:39:49,945 INFO L796 eck$LassoCheckResult]: Loop: 352#L17-5 main_#t~short4 := main_~i~0 >= 0; 336#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 337#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5;main_~i~0 := main_~i~0 - 1; 352#L17-5 [2019-11-20 04:39:49,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:49,946 INFO L82 PathProgramCache]: Analyzing trace with hash -272105412, now seen corresponding path program 1 times [2019-11-20 04:39:49,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:49,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580215899] [2019-11-20 04:39:49,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:49,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580215899] [2019-11-20 04:39:49,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:39:49,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 04:39:49,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735330923] [2019-11-20 04:39:49,982 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:39:49,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:49,983 INFO L82 PathProgramCache]: Analyzing trace with hash 44790, now seen corresponding path program 2 times [2019-11-20 04:39:49,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:49,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060245368] [2019-11-20 04:39:49,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:49,994 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:50,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:39:50,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:39:50,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:39:50,130 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-20 04:39:50,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:39:50,191 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2019-11-20 04:39:50,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:39:50,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-20 04:39:50,195 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-20 04:39:50,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 53 transitions. [2019-11-20 04:39:50,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-20 04:39:50,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-20 04:39:50,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2019-11-20 04:39:50,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:39:50,197 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2019-11-20 04:39:50,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2019-11-20 04:39:50,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2019-11-20 04:39:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 04:39:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-11-20 04:39:50,199 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-20 04:39:50,199 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-20 04:39:50,199 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 04:39:50,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2019-11-20 04:39:50,200 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:39:50,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:39:50,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:39:50,201 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:39:50,201 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 04:39:50,201 INFO L794 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 417#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 418#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 424#L17-5 main_#t~short4 := main_~i~0 >= 0; 413#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 414#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 422#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 423#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 425#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 419#L14-4 main_~k~0 := 1; 415#L23-3 [2019-11-20 04:39:50,201 INFO L796 eck$LassoCheckResult]: Loop: 415#L23-3 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; 416#L4 assume !(0 == __VERIFIER_assert_~cond); 429#L4-2 havoc main_#t~mem7;havoc main_#t~mem8; 420#L23-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 415#L23-3 [2019-11-20 04:39:50,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:50,202 INFO L82 PathProgramCache]: Analyzing trace with hash 97408492, now seen corresponding path program 1 times [2019-11-20 04:39:50,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:50,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697539377] [2019-11-20 04:39:50,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:50,251 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:50,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:50,251 INFO L82 PathProgramCache]: Analyzing trace with hash 2285066, now seen corresponding path program 2 times [2019-11-20 04:39:50,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:50,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901425220] [2019-11-20 04:39:50,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:50,268 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:50,269 INFO L82 PathProgramCache]: Analyzing trace with hash 699287157, now seen corresponding path program 1 times [2019-11-20 04:39:50,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:50,269 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106283449] [2019-11-20 04:39:50,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:50,340 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:50,685 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-11-20 04:39:50,853 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2019-11-20 04:39:50,854 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:39:50,854 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:39:50,854 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:39:50,854 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:39:50,855 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:39:50,855 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:50,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:39:50,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:39:50,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration6_Lasso [2019-11-20 04:39:50,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:39:50,855 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:39:50,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:50,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:51,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:51,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:51,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:51,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:51,457 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:39:51,457 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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 [2019-11-20 04:39:51,465 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 [2019-11-20 04:39:51,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:51,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:51,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:51,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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 [2019-11-20 04:39:51,473 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 [2019-11-20 04:39:51,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:51,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:51,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:51,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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 [2019-11-20 04:39:51,481 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 [2019-11-20 04:39:51,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:51,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:51,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:51,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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 [2019-11-20 04:39:51,497 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 [2019-11-20 04:39:51,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:51,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:51,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:51,508 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 [2019-11-20 04:39:51,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:51,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:51,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:51,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:51,515 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 [2019-11-20 04:39:51,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:51,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:51,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:51,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:51,522 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 [2019-11-20 04:39:51,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:51,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:51,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:51,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:51,529 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 [2019-11-20 04:39:51,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:51,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:51,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:51,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:51,539 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 [2019-11-20 04:39:51,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:51,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:51,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:51,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:51,546 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 [2019-11-20 04:39:51,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:51,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:51,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:51,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:51,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:51,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:51,587 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:39:51,650 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-20 04:39:51,650 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:51,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:39:51,655 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 04:39:51,655 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:39:51,655 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~k~0) = 4294967295*ULTIMATE.start_main_~j~0 - 2*ULTIMATE.start_main_~k~0 Supporting invariants [8589934590*ULTIMATE.start_main_~j~0 - 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3 + 1*ULTIMATE.start_main_~#v~0.offset >= 0] [2019-11-20 04:39:51,695 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 04:39:51,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:51,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:39:51,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:51,768 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2019-11-20 04:39:51,769 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:39:51,790 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:51,802 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-11-20 04:39:51,802 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:39:51,831 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:51,833 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-11-20 04:39:51,833 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:50, output treesize:48 [2019-11-20 04:39:51,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:39:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:51,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:39:51,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:52,015 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-20 04:39:52,016 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-20 04:39:52,153 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 35 states and 45 transitions. Complement of second has 6 states. [2019-11-20 04:39:52,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 04:39:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:39:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2019-11-20 04:39:52,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-20 04:39:52,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:52,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 14 letters. Loop has 4 letters. [2019-11-20 04:39:52,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:52,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-20 04:39:52,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:52,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2019-11-20 04:39:52,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:39:52,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 26 states and 34 transitions. [2019-11-20 04:39:52,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 04:39:52,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 04:39:52,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-11-20 04:39:52,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:39:52,159 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-20 04:39:52,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-11-20 04:39:52,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-11-20 04:39:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 04:39:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2019-11-20 04:39:52,162 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-20 04:39:52,162 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-20 04:39:52,162 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 04:39:52,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 32 transitions. [2019-11-20 04:39:52,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:39:52,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:39:52,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:39:52,164 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2019-11-20 04:39:52,164 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 04:39:52,164 INFO L794 eck$LassoCheckResult]: Stem: 574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 572#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 573#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 579#L17-5 main_#t~short4 := main_~i~0 >= 0; 595#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 591#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 583#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 584#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 580#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 581#L17-5 main_#t~short4 := main_~i~0 >= 0; 575#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 576#L17-3 [2019-11-20 04:39:52,164 INFO L796 eck$LassoCheckResult]: Loop: 576#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3;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;main_~i~0 := main_~i~0 - 1; 587#L17-5 main_#t~short4 := main_~i~0 >= 0; 590#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; 576#L17-3 [2019-11-20 04:39:52,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:52,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1275302755, now seen corresponding path program 2 times [2019-11-20 04:39:52,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:52,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803156747] [2019-11-20 04:39:52,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:52,204 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:52,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:52,206 INFO L82 PathProgramCache]: Analyzing trace with hash 55260, now seen corresponding path program 3 times [2019-11-20 04:39:52,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:52,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350033022] [2019-11-20 04:39:52,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:52,218 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:52,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:52,218 INFO L82 PathProgramCache]: Analyzing trace with hash 736351680, now seen corresponding path program 1 times [2019-11-20 04:39:52,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:52,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174644517] [2019-11-20 04:39:52,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:52,275 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:52,387 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2019-11-20 04:39:52,735 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 97 [2019-11-20 04:39:53,012 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-11-20 04:39:53,013 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:39:53,013 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:39:53,013 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:39:53,013 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:39:53,014 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:39:53,014 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,014 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:39:53,014 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:39:53,014 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration7_Lasso [2019-11-20 04:39:53,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:39:53,014 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:39:53,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,276 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-11-20 04:39:53,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:39:53,755 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:39:53,755 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:39:53,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:53,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:53,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:53,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:39:53,771 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 [2019-11-20 04:39:53,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:53,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:53,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,779 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 [2019-11-20 04:39:53,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:53,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:53,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:39:53,805 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 [2019-11-20 04:39:53,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:53,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:53,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:39:53,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:53,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:53,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:53,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,820 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 [2019-11-20 04:39:53,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:39:53,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:39:53,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:39:53,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:39:53,837 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 [2019-11-20 04:39:53,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:53,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:39:53,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:39:53,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,856 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 04:39:53,856 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 04:39:53,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,870 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-20 04:39:53,870 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 04:39:53,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,919 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 [2019-11-20 04:39:53,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:53,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:53,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,929 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 [2019-11-20 04:39:53,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:53,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:53,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,939 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 [2019-11-20 04:39:53,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:39:53,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:39:53,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:39:53,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:39:53,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:39:53,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:39:53,954 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:39:53,979 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-11-20 04:39:53,980 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adf2635-6e4b-46ed-878b-8323c933ba03/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:39:53,983 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:39:53,984 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:39:53,985 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:39:53,985 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-20 04:39:53,995 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-20 04:39:54,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:54,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:39:54,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:54,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:39:54,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:54,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:54,057 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 04:39:54,057 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 04:39:54,107 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 52 states and 69 transitions. Complement of second has 9 states. [2019-11-20 04:39:54,107 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 [2019-11-20 04:39:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 04:39:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-20 04:39:54,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-20 04:39:54,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:54,108 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 04:39:54,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:54,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:39:54,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:54,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:39:54,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:54,155 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 [2019-11-20 04:39:54,155 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 04:39:54,190 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 43 states and 54 transitions. Complement of second has 9 states. [2019-11-20 04:39:54,191 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 [2019-11-20 04:39:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 04:39:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2019-11-20 04:39:54,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-20 04:39:54,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:54,191 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 04:39:54,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:54,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:39:54,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:54,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:39:54,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:54,239 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 04:39:54,239 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 04:39:54,282 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 77 states and 107 transitions. Complement of second has 10 states. [2019-11-20 04:39:54,283 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 [2019-11-20 04:39:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 04:39:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-11-20 04:39:54,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-20 04:39:54,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:54,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 14 letters. Loop has 3 letters. [2019-11-20 04:39:54,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:54,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 6 letters. [2019-11-20 04:39:54,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:39:54,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 107 transitions. [2019-11-20 04:39:54,287 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:39:54,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2019-11-20 04:39:54,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:39:54,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:39:54,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:39:54,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:39:54,287 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:39:54,287 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:39:54,287 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:39:54,287 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 04:39:54,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:39:54,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:39:54,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:39:54,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:39:54 BoogieIcfgContainer [2019-11-20 04:39:54,293 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:39:54,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:39:54,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:39:54,294 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:39:54,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:45" (3/4) ... [2019-11-20 04:39:54,297 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:39:54,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:39:54,299 INFO L168 Benchmark]: Toolchain (without parser) took 9360.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:54,299 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-20 04:39:54,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:54,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.16 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. [2019-11-20 04:39:54,300 INFO L168 Benchmark]: Boogie Preprocessor took 22.19 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:54,301 INFO L168 Benchmark]: RCFGBuilder took 271.83 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:54,301 INFO L168 Benchmark]: BuchiAutomizer took 8667.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.1 MB). Peak memory consumption was 55.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:54,302 INFO L168 Benchmark]: Witness Printer took 4.03 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. [2019-11-20 04:39:54,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 357.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.16 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 22.19 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 271.83 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8667.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.1 MB). Peak memory consumption was 55.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.03 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (3 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[v] + -1 * v + -4 * j and consists of 4 locations. One deterministic module has affine ranking function 2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function 4294967295 * j + -2 * k and consists of 5 locations. One nondeterministic module has affine ranking function i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 40 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 165 SDslu, 87 SDs, 0 SdLazy, 174 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital231 mio100 ax100 hnf99 lsp84 ukn77 mio100 lsp67 div199 bol100 ite100 ukn100 eq150 hnf60 smp88 dnf138 smp80 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 65ms VariablesStem: 7 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...