./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:19:17,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:19:17,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:19:17,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:19:17,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:19:17,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:19:17,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:19:17,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:19:17,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:19:17,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:19:17,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:19:17,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:19:17,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:19:17,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:19:17,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:19:17,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:19:17,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:19:17,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:19:17,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:19:17,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:19:17,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:19:17,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:19:17,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:19:17,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:19:17,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:19:17,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:19:17,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:19:17,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:19:17,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:19:17,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:19:17,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:19:17,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:19:17,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:19:17,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:19:17,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:19:17,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:19:17,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:19:17,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:19:17,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:19:17,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:19:17,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:19:17,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 15:19:17,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:19:17,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:19:17,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:19:17,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:19:17,060 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:19:17,060 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:19:17,060 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:19:17,061 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:19:17,061 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:19:17,061 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:19:17,061 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:19:17,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:19:17,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:19:17,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:19:17,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:19:17,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:19:17,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:19:17,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:19:17,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:19:17,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:19:17,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:19:17,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:19:17,063 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:19:17,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:19:17,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:19:17,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:19:17,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:19:17,064 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:19:17,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:19:17,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:19:17,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:19:17,065 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:19:17,066 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:19:17,066 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_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 [2019-12-07 15:19:17,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:19:17,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:19:17,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:19:17,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:19:17,185 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:19:17,186 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/../../sv-benchmarks/c/loops/insertion_sort-1.c [2019-12-07 15:19:17,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/data/6571f7b5c/cecad5d2945448f59e7c58aa4514fa33/FLAGa3ec2e2a3 [2019-12-07 15:19:17,540 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:19:17,540 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/sv-benchmarks/c/loops/insertion_sort-1.c [2019-12-07 15:19:17,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/data/6571f7b5c/cecad5d2945448f59e7c58aa4514fa33/FLAGa3ec2e2a3 [2019-12-07 15:19:17,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/data/6571f7b5c/cecad5d2945448f59e7c58aa4514fa33 [2019-12-07 15:19:17,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:19:17,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:19:17,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:19:17,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:19:17,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:19:17,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d86038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17, skipping insertion in model container [2019-12-07 15:19:17,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:19:17,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:19:17,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:19:17,730 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:19:17,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:19:17,756 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:19:17,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17 WrapperNode [2019-12-07 15:19:17,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:19:17,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:19:17,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:19:17,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:19:17,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:19:17,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:19:17,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:19:17,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:19:17,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... [2019-12-07 15:19:17,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:19:17,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:19:17,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:19:17,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:19:17,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:19:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:19:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:19:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:19:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:19:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:19:17,972 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:19:17,972 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 15:19:17,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:19:17 BoogieIcfgContainer [2019-12-07 15:19:17,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:19:17,974 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:19:17,974 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:19:17,976 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:19:17,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:19:17,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:19:17" (1/3) ... [2019-12-07 15:19:17,977 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@520abab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:19:17, skipping insertion in model container [2019-12-07 15:19:17,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:19:17,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:17" (2/3) ... [2019-12-07 15:19:17,978 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@520abab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:19:17, skipping insertion in model container [2019-12-07 15:19:17,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:19:17,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:19:17" (3/3) ... [2019-12-07 15:19:17,979 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1.c [2019-12-07 15:19:18,008 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:19:18,008 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:19:18,008 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:19:18,008 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:19:18,008 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:19:18,008 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:19:18,009 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:19:18,009 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:19:18,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-12-07 15:19:18,031 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2019-12-07 15:19:18,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:18,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:18,035 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 15:19:18,035 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 15:19:18,035 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:19:18,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-12-07 15:19:18,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2019-12-07 15:19:18,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:18,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:18,037 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 15:19:18,037 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 15:19:18,042 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 13#L14-3true [2019-12-07 15:19:18,043 INFO L796 eck$LassoCheckResult]: Loop: 13#L14-3true assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 16#L17-5true assume !true; 14#L17-6true call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 17#L14-2true main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 13#L14-3true [2019-12-07 15:19:18,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:18,046 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 15:19:18,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:18,052 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762438307] [2019-12-07 15:19:18,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:18,140 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:18,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:18,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1256252, now seen corresponding path program 1 times [2019-12-07 15:19:18,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:18,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572696014] [2019-12-07 15:19:18,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:18,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572696014] [2019-12-07 15:19:18,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:19:18,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:19:18,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081451847] [2019-12-07 15:19:18,168 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 15:19:18,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:19:18,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:19:18,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:19:18,180 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-12-07 15:19:18,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:19:18,184 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-12-07 15:19:18,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:19:18,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2019-12-07 15:19:18,187 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-12-07 15:19:18,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 19 transitions. [2019-12-07 15:19:18,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-12-07 15:19:18,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-12-07 15:19:18,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-12-07 15:19:18,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:19:18,191 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-12-07 15:19:18,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-12-07 15:19:18,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-12-07 15:19:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 15:19:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-12-07 15:19:18,208 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-12-07 15:19:18,209 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-12-07 15:19:18,209 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:19:18,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2019-12-07 15:19:18,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-12-07 15:19:18,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:18,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:18,210 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 15:19:18,210 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:19:18,210 INFO L794 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 53#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 54#L14-3 [2019-12-07 15:19:18,210 INFO L796 eck$LassoCheckResult]: Loop: 54#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 51#L17-5 main_#t~short4 := main_~i~0 >= 0; 48#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 49#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 59#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 60#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 54#L14-3 [2019-12-07 15:19:18,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:18,210 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-12-07 15:19:18,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:18,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489466506] [2019-12-07 15:19:18,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:18,231 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:18,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:18,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1188208494, now seen corresponding path program 1 times [2019-12-07 15:19:18,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:18,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302858790] [2019-12-07 15:19:18,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:18,258 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:18,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:18,259 INFO L82 PathProgramCache]: Analyzing trace with hash 268257712, now seen corresponding path program 1 times [2019-12-07 15:19:18,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:18,259 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614070417] [2019-12-07 15:19:18,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:18,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:18,417 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-12-07 15:19:18,564 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:19:18,564 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:19:18,565 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:19:18,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:19:18,565 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:19:18,565 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:18,565 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:19:18,565 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:19:18,565 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration2_Lasso [2019-12-07 15:19:18,565 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:19:18,565 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:19:18,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:18,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:19,001 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:19:19,004 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,034 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 [2019-12-07 15:19:19,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:19,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:19,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,094 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 [2019-12-07 15:19:19,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:19,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:19,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:19,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:19,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:19,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:19,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:19,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:19,116 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 15:19:19,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:19,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:19,125 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:19:19,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:19,144 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:19:19,188 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 15:19:19,188 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:19,195 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:19:19,198 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 15:19:19,198 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:19:19,199 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1, ULTIMATE.start_main_~#v~0.offset, ULTIMATE.start_main_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1 - 1*ULTIMATE.start_main_~#v~0.offset - 2*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-12-07 15:19:19,212 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 15:19:19,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 15:19:19,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:19,252 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:19:19,253 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:19,264 INFO L264 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:19:19,265 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:19,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:19,319 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 15:19:19,320 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 5 states. [2019-12-07 15:19:19,443 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 42 states and 59 transitions. Complement of second has 10 states. [2019-12-07 15:19:19,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-12-07 15:19:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 15:19:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2019-12-07 15:19:19,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 15:19:19,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:19,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 8 letters. Loop has 6 letters. [2019-12-07 15:19:19,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:19,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 12 letters. [2019-12-07 15:19:19,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:19,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2019-12-07 15:19:19,450 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-12-07 15:19:19,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 35 states and 49 transitions. [2019-12-07 15:19:19,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-12-07 15:19:19,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-12-07 15:19:19,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 49 transitions. [2019-12-07 15:19:19,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:19,452 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 15:19:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 49 transitions. [2019-12-07 15:19:19,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-12-07 15:19:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 15:19:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2019-12-07 15:19:19,455 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 47 transitions. [2019-12-07 15:19:19,456 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 47 transitions. [2019-12-07 15:19:19,456 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 15:19:19,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 47 transitions. [2019-12-07 15:19:19,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-12-07 15:19:19,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:19,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:19,457 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 15:19:19,457 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:19:19,457 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 181#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 182#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 192#L17-5 [2019-12-07 15:19:19,458 INFO L796 eck$LassoCheckResult]: Loop: 192#L17-5 main_#t~short4 := main_~i~0 >= 0; 196#L17-1 assume !main_#t~short4; 198#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 187#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 188#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 191#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 192#L17-5 [2019-12-07 15:19:19,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:19,458 INFO L82 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2019-12-07 15:19:19,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:19,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496321336] [2019-12-07 15:19:19,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:19,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:19,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:19,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1336163126, now seen corresponding path program 1 times [2019-12-07 15:19:19,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:19,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914716510] [2019-12-07 15:19:19,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:19,497 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:19,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:19,498 INFO L82 PathProgramCache]: Analyzing trace with hash -272098468, now seen corresponding path program 1 times [2019-12-07 15:19:19,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:19,498 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857929807] [2019-12-07 15:19:19,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:19,528 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857929807] [2019-12-07 15:19:19,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:19:19,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:19:19,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375576602] [2019-12-07 15:19:19,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:19:19,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:19:19,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:19:19,605 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. cyclomatic complexity: 18 Second operand 5 states. [2019-12-07 15:19:19,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:19:19,648 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2019-12-07 15:19:19,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:19:19,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2019-12-07 15:19:19,650 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2019-12-07 15:19:19,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 53 transitions. [2019-12-07 15:19:19,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-12-07 15:19:19,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2019-12-07 15:19:19,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 53 transitions. [2019-12-07 15:19:19,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:19,652 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-12-07 15:19:19,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 53 transitions. [2019-12-07 15:19:19,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 25. [2019-12-07 15:19:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 15:19:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-07 15:19:19,654 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-07 15:19:19,654 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-07 15:19:19,654 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 15:19:19,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2019-12-07 15:19:19,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 15:19:19,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:19,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:19,656 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 15:19:19,656 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 15:19:19,656 INFO L794 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 266#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 267#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 268#L14-4 main_~k~0 := 1; 269#L24-3 [2019-12-07 15:19:19,656 INFO L796 eck$LassoCheckResult]: Loop: 269#L24-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 270#L4 assume !(0 == __VERIFIER_assert_~cond); 279#L4-2 havoc main_#t~mem8;havoc main_#t~mem7; 277#L24-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 269#L24-3 [2019-12-07 15:19:19,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:19,657 INFO L82 PathProgramCache]: Analyzing trace with hash 925734, now seen corresponding path program 1 times [2019-12-07 15:19:19,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:19,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959951936] [2019-12-07 15:19:19,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:19,673 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:19,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:19,674 INFO L82 PathProgramCache]: Analyzing trace with hash 2500554, now seen corresponding path program 1 times [2019-12-07 15:19:19,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:19,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115759901] [2019-12-07 15:19:19,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:19,689 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:19,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:19,690 INFO L82 PathProgramCache]: Analyzing trace with hash 237874543, now seen corresponding path program 1 times [2019-12-07 15:19:19,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:19,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661833158] [2019-12-07 15:19:19,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:19,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661833158] [2019-12-07 15:19:19,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:19:19,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:19:19,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964552728] [2019-12-07 15:19:19,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:19:19,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:19:19,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:19:19,914 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-12-07 15:19:19,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:19:19,979 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2019-12-07 15:19:19,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:19:19,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 56 transitions. [2019-12-07 15:19:19,981 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2019-12-07 15:19:19,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 54 transitions. [2019-12-07 15:19:19,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-12-07 15:19:19,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-12-07 15:19:19,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2019-12-07 15:19:19,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:19,982 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-12-07 15:19:19,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2019-12-07 15:19:19,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2019-12-07 15:19:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 15:19:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-12-07 15:19:19,985 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-12-07 15:19:19,985 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-12-07 15:19:19,985 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 15:19:19,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-12-07 15:19:19,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 15:19:19,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:19,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:19,986 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 15:19:19,986 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 15:19:19,986 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 345#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 346#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 353#L17-5 main_#t~short4 := main_~i~0 >= 0; 339#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 340#L17-3 [2019-12-07 15:19:19,986 INFO L796 eck$LassoCheckResult]: Loop: 340#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 343#L18 assume main_~i~0 < 2;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5; 335#L18-2 main_~i~0 := main_~i~0 - 1; 336#L17-5 main_#t~short4 := main_~i~0 >= 0; 359#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 340#L17-3 [2019-12-07 15:19:19,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:19,987 INFO L82 PathProgramCache]: Analyzing trace with hash 28698826, now seen corresponding path program 1 times [2019-12-07 15:19:19,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:19,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236122852] [2019-12-07 15:19:19,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,007 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:20,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:20,008 INFO L82 PathProgramCache]: Analyzing trace with hash 53536832, now seen corresponding path program 1 times [2019-12-07 15:19:20,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:20,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419374076] [2019-12-07 15:19:20,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,017 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:20,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:20,017 INFO L82 PathProgramCache]: Analyzing trace with hash 99226903, now seen corresponding path program 1 times [2019-12-07 15:19:20,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:20,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893010537] [2019-12-07 15:19:20,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:20,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893010537] [2019-12-07 15:19:20,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696584594] [2019-12-07 15:19:20,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:19:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:20,071 INFO L264 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:19:20,072 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:20,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:20,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:19:20,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2019-12-07 15:19:20,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870176647] [2019-12-07 15:19:20,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:19:20,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:19:20,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:19:20,194 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 6 states. [2019-12-07 15:19:20,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:19:20,244 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2019-12-07 15:19:20,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:19:20,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 70 transitions. [2019-12-07 15:19:20,246 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2019-12-07 15:19:20,246 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 50 states and 61 transitions. [2019-12-07 15:19:20,246 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2019-12-07 15:19:20,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2019-12-07 15:19:20,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 61 transitions. [2019-12-07 15:19:20,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:20,247 INFO L688 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-12-07 15:19:20,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 61 transitions. [2019-12-07 15:19:20,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 31. [2019-12-07 15:19:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 15:19:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2019-12-07 15:19:20,249 INFO L711 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2019-12-07 15:19:20,249 INFO L591 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2019-12-07 15:19:20,249 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 15:19:20,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2019-12-07 15:19:20,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 15:19:20,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:20,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:20,250 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:19:20,250 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 15:19:20,250 INFO L794 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 473#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 474#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 479#L17-5 main_#t~short4 := main_~i~0 >= 0; 490#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 488#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 482#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 483#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 480#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 468#L17-5 [2019-12-07 15:19:20,250 INFO L796 eck$LassoCheckResult]: Loop: 468#L17-5 main_#t~short4 := main_~i~0 >= 0; 463#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 464#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 471#L18 assume main_~i~0 < 2;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5; 467#L18-2 main_~i~0 := main_~i~0 - 1; 468#L17-5 [2019-12-07 15:19:20,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:20,250 INFO L82 PathProgramCache]: Analyzing trace with hash -273945510, now seen corresponding path program 2 times [2019-12-07 15:19:20,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:20,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539865496] [2019-12-07 15:19:20,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,272 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:20,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:20,272 INFO L82 PathProgramCache]: Analyzing trace with hash 43044122, now seen corresponding path program 2 times [2019-12-07 15:19:20,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:20,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879372942] [2019-12-07 15:19:20,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,278 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:20,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:20,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1968681057, now seen corresponding path program 1 times [2019-12-07 15:19:20,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:20,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717823532] [2019-12-07 15:19:20,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:20,303 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:20,530 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2019-12-07 15:19:20,618 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:19:20,618 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:19:20,618 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:19:20,618 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:19:20,618 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:19:20,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:20,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:19:20,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:19:20,619 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration6_Lasso [2019-12-07 15:19:20,619 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:19:20,619 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:19:20,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:20,906 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:19:20,906 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:20,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:20,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:20,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:20,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:20,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:20,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:20,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:20,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:20,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:20,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:20,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:20,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:20,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:20,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:20,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:20,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:20,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:20,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:20,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:20,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:20,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:20,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:20,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:20,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:20,949 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:19:20,965 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-12-07 15:19:20,965 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:20,968 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:19:20,970 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 15:19:20,970 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:19:20,970 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2) = 2*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2 Supporting invariants [] [2019-12-07 15:19:20,981 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-12-07 15:19:20,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 15:19:20,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:21,000 INFO L264 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:19:21,001 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:21,007 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:19:21,007 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:21,033 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 15:19:21,033 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-12-07 15:19:21,069 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 70 states and 83 transitions. Complement of second has 9 states. [2019-12-07 15:19:21,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 15:19:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:19:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-12-07 15:19:21,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 9 letters. Loop has 5 letters. [2019-12-07 15:19:21,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:21,070 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:19:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:21,087 INFO L264 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:19:21,087 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:21,091 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:19:21,092 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:21,113 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 15:19:21,113 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-12-07 15:19:21,138 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 70 states and 83 transitions. Complement of second has 9 states. [2019-12-07 15:19:21,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 15:19:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:19:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-12-07 15:19:21,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 9 letters. Loop has 5 letters. [2019-12-07 15:19:21,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:21,139 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:19:21,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:21,153 INFO L264 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:19:21,153 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:21,157 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:19:21,158 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:21,182 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 15:19:21,182 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-12-07 15:19:21,214 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 71 states and 88 transitions. Complement of second has 8 states. [2019-12-07 15:19:21,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 15:19:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:19:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2019-12-07 15:19:21,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 9 letters. Loop has 5 letters. [2019-12-07 15:19:21,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:21,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 14 letters. Loop has 5 letters. [2019-12-07 15:19:21,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:21,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 9 letters. Loop has 10 letters. [2019-12-07 15:19:21,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:21,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 88 transitions. [2019-12-07 15:19:21,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 15:19:21,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 39 states and 46 transitions. [2019-12-07 15:19:21,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 15:19:21,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 15:19:21,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 46 transitions. [2019-12-07 15:19:21,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:21,217 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2019-12-07 15:19:21,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 46 transitions. [2019-12-07 15:19:21,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 27. [2019-12-07 15:19:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 15:19:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2019-12-07 15:19:21,219 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-12-07 15:19:21,219 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-12-07 15:19:21,219 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 15:19:21,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions. [2019-12-07 15:19:21,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:19:21,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:21,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:21,221 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:19:21,221 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 15:19:21,221 INFO L794 eck$LassoCheckResult]: Stem: 914#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 909#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; 910#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; 917#L17-5 main_#t~short4 := main_~i~0 >= 0; 927#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; 905#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 915#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 916#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 918#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 911#L14-4 main_~k~0 := 1; 912#L24-3 [2019-12-07 15:19:21,221 INFO L796 eck$LassoCheckResult]: Loop: 912#L24-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 913#L4 assume !(0 == __VERIFIER_assert_~cond); 921#L4-2 havoc main_#t~mem8;havoc main_#t~mem7; 920#L24-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 912#L24-3 [2019-12-07 15:19:21,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:21,221 INFO L82 PathProgramCache]: Analyzing trace with hash 97623763, now seen corresponding path program 1 times [2019-12-07 15:19:21,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:21,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688906960] [2019-12-07 15:19:21,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:21,236 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:21,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:21,237 INFO L82 PathProgramCache]: Analyzing trace with hash 2500554, now seen corresponding path program 2 times [2019-12-07 15:19:21,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:21,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191775272] [2019-12-07 15:19:21,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:21,244 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:21,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:21,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1938296220, now seen corresponding path program 1 times [2019-12-07 15:19:21,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:21,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478034399] [2019-12-07 15:19:21,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:21,269 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:21,481 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-12-07 15:19:21,584 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:19:21,584 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:19:21,584 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:19:21,584 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:19:21,584 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:19:21,584 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,584 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:19:21,584 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:19:21,584 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration7_Lasso [2019-12-07 15:19:21,584 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:19:21,584 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:19:21,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:21,942 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:19:21,942 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:21,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:21,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:21,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:21,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:21,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:21,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:21,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:21,948 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:21,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:21,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:21,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:21,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:21,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:21,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:21,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:21,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:21,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:21,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:21,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:21,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:21,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:21,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:21,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:21,961 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:21,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:21,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:21,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:21,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:21,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:21,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:21,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:21,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:21,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:21,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:21,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:21,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:21,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:21,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:21,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:21,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:21,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:21,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:21,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:21,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:21,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:21,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:21,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:21,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:21,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:21,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:21,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:21,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:21,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:21,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:21,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:21,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:21,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:21,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:21,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:21,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:21,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:21,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:21,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:21,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:22,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:22,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:22,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:22,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:22,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:22,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:22,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:22,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:22,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:22,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:22,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:22,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:22,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:22,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:22,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:22,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:22,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:22,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:22,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:22,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:22,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:22,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:22,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:22,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:22,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:22,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:22,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/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 [2019-12-07 15:19:22,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:22,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:22,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:22,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:22,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:22,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:22,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:22,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/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 [2019-12-07 15:19:22,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:22,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:22,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:22,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:22,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:22,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:22,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:22,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:22,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/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 [2019-12-07 15:19:22,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:22,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:22,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:22,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:22,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:22,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:22,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:22,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/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 [2019-12-07 15:19:22,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:22,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:22,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:22,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:22,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:22,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:22,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:22,073 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:19:22,091 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 15:19:22,092 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeb7dc5-e4a0-4d7e-9cd4-4baf8ff6bb33/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 [2019-12-07 15:19:22,094 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:19:22,096 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 15:19:22,096 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:19:22,096 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~#v~0.offset, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3) = -4*ULTIMATE.start_main_~k~0 - 1*ULTIMATE.start_main_~#v~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3 Supporting invariants [] [2019-12-07 15:19:22,106 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-12-07 15:19:22,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 15:19:22,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:22,122 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:19:22,122 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:22,127 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:19:22,127 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:22,135 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 15:19:22,135 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 15:19:22,142 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 31 states and 38 transitions. Complement of second has 4 states. [2019-12-07 15:19:22,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 15:19:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:19:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2019-12-07 15:19:22,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 15:19:22,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:22,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 4 letters. [2019-12-07 15:19:22,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:22,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 8 letters. [2019-12-07 15:19:22,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:22,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2019-12-07 15:19:22,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:19:22,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2019-12-07 15:19:22,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 15:19:22,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 15:19:22,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 15:19:22,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:19:22,144 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:19:22,144 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:19:22,144 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:19:22,144 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 15:19:22,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:19:22,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:19:22,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 15:19:22,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:19:22 BoogieIcfgContainer [2019-12-07 15:19:22,149 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:19:22,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:19:22,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:19:22,150 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:19:22,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:19:17" (3/4) ... [2019-12-07 15:19:22,152 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:19:22,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:19:22,153 INFO L168 Benchmark]: Toolchain (without parser) took 4595.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -111.3 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:22,154 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:19:22,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:22,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:19:22,155 INFO L168 Benchmark]: Boogie Preprocessor took 16.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:22,155 INFO L168 Benchmark]: RCFGBuilder took 175.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:22,156 INFO L168 Benchmark]: BuchiAutomizer took 4175.33 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.5 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:22,156 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:19:22,159 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4175.33 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.5 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[v] + -1 * v + -2 * j and consists of 6 locations. One deterministic module has affine ranking function -4 * k + -1 * v + unknown-#length-unknown[v] and consists of 3 locations. One nondeterministic module has affine ranking function 2 * i + unknown-#length-unknown[v] and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 3.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 63 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 33 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 230 SDslu, 167 SDs, 0 SdLazy, 230 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf99 lsp95 ukn64 mio100 lsp77 div222 bol100 ite100 ukn100 eq148 hnf58 smp86 dnf129 smp87 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 86ms VariablesStem: 6 VariablesLoop: 10 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...