./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i --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_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 ccd9175bc78e257bbf4cf5a6f64f3805ac593d6c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:37:24,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:37:24,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:37:24,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:37:24,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:37:24,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:37:24,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:37:24,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:37:24,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:37:24,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:37:24,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:37:24,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:37:24,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:37:24,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:37:24,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:37:24,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:37:24,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:37:24,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:37:24,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:37:24,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:37:24,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:37:24,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:37:24,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:37:24,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:37:24,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:37:24,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:37:24,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:37:24,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:37:24,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:37:24,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:37:24,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:37:24,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:37:24,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:37:24,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:37:24,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:37:24,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:37:24,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:37:24,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:37:24,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:37:24,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:37:24,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:37:24,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:37:24,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:37:24,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:37:24,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:37:24,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:37:24,824 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:37:24,824 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:37:24,824 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:37:24,824 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:37:24,824 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:37:24,824 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:37:24,825 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:37:24,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:37:24,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:37:24,825 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:37:24,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:37:24,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:37:24,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:37:24,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:37:24,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:37:24,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:37:24,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:37:24,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:37:24,826 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:37:24,826 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:37:24,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:37:24,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:37:24,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:37:24,826 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:37:24,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:37:24,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:37:24,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:37:24,827 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:37:24,828 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:37:24,828 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_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 -> ccd9175bc78e257bbf4cf5a6f64f3805ac593d6c [2019-12-07 18:37:24,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:37:24,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:37:24,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:37:24,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:37:24,941 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:37:24,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2019-12-07 18:37:24,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/data/772d75542/f3608a181bc343f4a5bc86e8a4a27196/FLAG9c283017b [2019-12-07 18:37:25,430 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:37:25,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2019-12-07 18:37:25,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/data/772d75542/f3608a181bc343f4a5bc86e8a4a27196/FLAG9c283017b [2019-12-07 18:37:25,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/data/772d75542/f3608a181bc343f4a5bc86e8a4a27196 [2019-12-07 18:37:25,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:37:25,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:37:25,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:25,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:37:25,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:37:25,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a7eda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25, skipping insertion in model container [2019-12-07 18:37:25,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:37:25,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:37:25,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:25,688 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:37:25,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:25,750 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:37:25,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25 WrapperNode [2019-12-07 18:37:25,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:25,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:25,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:37:25,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:37:25,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:25,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:37:25,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:37:25,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:37:25,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:37:25,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:37:25,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:37:25,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:37:25,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:37:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:37:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:37:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:37:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:37:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:37:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:37:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:37:26,032 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:37:26,032 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 18:37:26,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:26 BoogieIcfgContainer [2019-12-07 18:37:26,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:37:26,034 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:37:26,034 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:37:26,036 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:37:26,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:37:26,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:37:25" (1/3) ... [2019-12-07 18:37:26,037 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38e6be4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:37:26, skipping insertion in model container [2019-12-07 18:37:26,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:37:26,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (2/3) ... [2019-12-07 18:37:26,038 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38e6be4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:37:26, skipping insertion in model container [2019-12-07 18:37:26,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:37:26,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:26" (3/3) ... [2019-12-07 18:37:26,039 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca-1.i [2019-12-07 18:37:26,067 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:37:26,067 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:37:26,067 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:37:26,067 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:37:26,067 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:37:26,067 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:37:26,067 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:37:26,067 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:37:26,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-12-07 18:37:26,090 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2019-12-07 18:37:26,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:26,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:26,094 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:37:26,095 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:37:26,095 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:37:26,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-12-07 18:37:26,096 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2019-12-07 18:37:26,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:26,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:26,096 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:37:26,096 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:37:26,101 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 7#L534true assume !(main_~length~0 < 1); 10#L534-2true assume !(main_~n~0 < 1); 6#L537-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 16#L543-3true [2019-12-07 18:37:26,101 INFO L796 eck$LassoCheckResult]: Loop: 16#L543-3true assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet16, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 14#L543-2true main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 16#L543-3true [2019-12-07 18:37:26,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:26,105 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-12-07 18:37:26,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:26,111 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286596568] [2019-12-07 18:37:26,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:26,198 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:26,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:26,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2019-12-07 18:37:26,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:26,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750426790] [2019-12-07 18:37:26,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:26,214 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:26,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:26,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2019-12-07 18:37:26,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:26,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702622851] [2019-12-07 18:37:26,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:26,243 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:26,441 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:37:26,442 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:37:26,442 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:37:26,442 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:37:26,442 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:37:26,442 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:26,442 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:37:26,442 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:37:26,442 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration1_Lasso [2019-12-07 18:37:26,442 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:37:26,443 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:37:26,460 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 18:37:26,464 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 18:37:26,465 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 18:37:26,467 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 18:37:26,468 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 18:37:26,471 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 18:37:26,473 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 18:37:26,475 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 18:37:26,477 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 18:37:26,481 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 18:37:26,570 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 18:37:26,572 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 18:37:26,574 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 18:37:26,752 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:37:26,755 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,759 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 18:37:26,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:26,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:26,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:26,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,770 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 18:37:26,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:26,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:26,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:26,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,777 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 18:37:26,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:26,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:26,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:26,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,785 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 18:37:26,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:26,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:26,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:26,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,793 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 18:37:26,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:26,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:26,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,806 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 18:37:26,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:26,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:26,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,816 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 18:37:26,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:26,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:26,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:26,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:26,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:26,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:26,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,834 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 18:37:26,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:26,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:26,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,845 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 18:37:26,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:26,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:26,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,857 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 18:37:26,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:26,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:26,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,870 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 18:37:26,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:26,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:26,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,880 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 18:37:26,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:26,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:26,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:26,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:37:26,888 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 18:37:26,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:26,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:26,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:26,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:26,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:26,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:26,904 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:37:26,925 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 18:37:26,926 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:26,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:37:26,941 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:37:26,941 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:37:26,942 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2019-12-07 18:37:26,958 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 18:37:26,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:27,003 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:37:27,004 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:37:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:27,014 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:37:27,015 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:37:27,023 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 18:37:27,034 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 18:37:27,035 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 3 states. [2019-12-07 18:37:27,077 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 3 states. Result 48 states and 70 transitions. Complement of second has 7 states. [2019-12-07 18:37:27,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:37:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:37:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2019-12-07 18:37:27,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 18:37:27,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:27,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 18:37:27,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:27,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 18:37:27,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:27,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 70 transitions. [2019-12-07 18:37:27,085 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 18:37:27,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 21 transitions. [2019-12-07 18:37:27,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 18:37:27,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-12-07 18:37:27,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-12-07 18:37:27,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:37:27,089 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 18:37:27,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-12-07 18:37:27,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 18:37:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 18:37:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2019-12-07 18:37:27,106 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 18:37:27,106 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 18:37:27,106 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:37:27,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2019-12-07 18:37:27,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 18:37:27,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:27,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:27,107 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:27,107 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:37:27,107 INFO L794 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 149#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 145#L534 assume !(main_~length~0 < 1); 146#L534-2 assume !(main_~n~0 < 1); 143#L537-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 144#L543-3 assume !(main_~i~0 < main_~length~0 - 1); 155#L543-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 140#L516 assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + (if cstpncpy_~n % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n % 4294967296 % 4294967296 else cstpncpy_~n % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 141#L520-4 [2019-12-07 18:37:27,107 INFO L796 eck$LassoCheckResult]: Loop: 141#L520-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 142#L521 assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~mem7; 150#L520-1 cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 154#L520-2 assume !!(0 != cstpncpy_#t~pre4 % 4294967296);havoc cstpncpy_#t~pre4; 141#L520-4 [2019-12-07 18:37:27,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:27,108 INFO L82 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2019-12-07 18:37:27,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:27,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969706642] [2019-12-07 18:37:27,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,158 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:27,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:27,159 INFO L82 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 1 times [2019-12-07 18:37:27,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:27,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906621255] [2019-12-07 18:37:27,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,177 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:27,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:27,177 INFO L82 PathProgramCache]: Analyzing trace with hash -299020919, now seen corresponding path program 1 times [2019-12-07 18:37:27,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:27,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093239410] [2019-12-07 18:37:27,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:27,305 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 18:37:27,306 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093239410] [2019-12-07 18:37:27,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:27,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 18:37:27,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838744344] [2019-12-07 18:37:27,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:27,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:37:27,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:37:27,421 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand 8 states. [2019-12-07 18:37:27,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:27,518 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2019-12-07 18:37:27,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 18:37:27,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2019-12-07 18:37:27,520 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2019-12-07 18:37:27,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 28 transitions. [2019-12-07 18:37:27,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 18:37:27,521 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 18:37:27,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2019-12-07 18:37:27,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:37:27,521 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2019-12-07 18:37:27,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2019-12-07 18:37:27,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2019-12-07 18:37:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 18:37:27,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2019-12-07 18:37:27,523 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 18:37:27,523 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 18:37:27,523 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:37:27,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2019-12-07 18:37:27,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 18:37:27,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:27,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:27,524 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:27,525 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:37:27,525 INFO L794 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 203#L534 assume !(main_~length~0 < 1); 204#L534-2 assume !(main_~n~0 < 1); 201#L537-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 202#L543-3 assume !(main_~i~0 < main_~length~0 - 1); 213#L543-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 198#L516 assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + (if cstpncpy_~n % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n % 4294967296 % 4294967296 else cstpncpy_~n % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 199#L520-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 200#L521 assume 0 == cstpncpy_#t~mem7;havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~mem7;call write~$Pointer$(cstpncpy_~d~0.base, cstpncpy_~d~0.offset - 1, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4); 206#L523-3 [2019-12-07 18:37:27,525 INFO L796 eck$LassoCheckResult]: Loop: 206#L523-3 cstpncpy_#t~pre8 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 205#L523-1 assume !!(0 != cstpncpy_#t~pre8 % 4294967296);havoc cstpncpy_#t~pre8;cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post9.base, 1 + cstpncpy_#t~post9.offset;call write~int(0, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, 1);havoc cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset; 206#L523-3 [2019-12-07 18:37:27,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:27,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1595217781, now seen corresponding path program 1 times [2019-12-07 18:37:27,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:27,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732637832] [2019-12-07 18:37:27,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,585 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:27,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:27,585 INFO L82 PathProgramCache]: Analyzing trace with hash 2374, now seen corresponding path program 1 times [2019-12-07 18:37:27,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:27,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800218052] [2019-12-07 18:37:27,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,596 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:27,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:27,597 INFO L82 PathProgramCache]: Analyzing trace with hash -299035718, now seen corresponding path program 1 times [2019-12-07 18:37:27,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:27,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274547289] [2019-12-07 18:37:27,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:27,655 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:31,231 WARN L192 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 249 DAG size of output: 220 [2019-12-07 18:37:31,263 INFO L430 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_32|, |v_#memory_$Pointer$.base_32|, |v_#memory_int_32|], 4=[|v_#memory_$Pointer$.base_36|, |v_#memory_$Pointer$.offset_36|], 10=[|v_#memory_int_31|]} [2019-12-07 18:37:31,287 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:37:31,299 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:37:42,166 WARN L192 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 184 DAG size of output: 184 [2019-12-07 18:37:42,168 INFO L614 ElimStorePlain]: treesize reduction 6, result has 99.3 percent of original size [2019-12-07 18:37:42,179 INFO L534 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:37:42,189 INFO L534 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:37:47,858 WARN L192 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 188 [2019-12-07 18:37:47,859 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:37:47,871 INFO L534 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-12-07 18:37:47,884 INFO L534 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-12-07 18:37:52,822 WARN L192 SmtUtils]: Spent 4.94 s on a formula simplification that was a NOOP. DAG size: 182 [2019-12-07 18:37:52,823 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:37:52,831 INFO L534 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:37:52,840 INFO L534 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:37:59,079 WARN L192 SmtUtils]: Spent 6.24 s on a formula simplification that was a NOOP. DAG size: 186 [2019-12-07 18:37:59,079 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:37:59,089 INFO L534 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:37:59,099 INFO L534 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:06,590 WARN L192 SmtUtils]: Spent 7.49 s on a formula simplification that was a NOOP. DAG size: 187 [2019-12-07 18:38:06,590 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:06,630 INFO L534 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:06,641 INFO L534 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:16,479 WARN L192 SmtUtils]: Spent 9.84 s on a formula simplification that was a NOOP. DAG size: 196 [2019-12-07 18:38:16,479 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:16,482 INFO L534 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2019-12-07 18:38:16,482 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:830, output treesize:1434 [2019-12-07 18:38:26,180 WARN L192 SmtUtils]: Spent 9.70 s on a formula simplification that was a NOOP. DAG size: 196 [2019-12-07 18:38:26,184 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:38:26,184 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:38:26,184 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:38:26,184 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:38:26,184 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:38:26,185 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:38:26,185 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:38:26,185 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:38:26,185 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration3_Lasso [2019-12-07 18:38:26,185 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:38:26,185 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:38:26,196 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 18:38:26,198 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 18:38:26,200 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 18:38:26,201 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 18:38:26,207 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 18:38:26,208 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 18:38:26,210 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 18:38:26,211 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 18:38:26,212 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 18:38:26,213 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 18:38:27,154 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-12-07 18:38:27,853 WARN L192 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2019-12-07 18:38:27,970 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 18:38:27,971 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 18:38:27,972 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 18:38:27,973 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 18:38:27,974 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 18:38:27,975 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 18:38:27,976 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 18:38:27,977 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 18:38:27,978 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 18:38:27,979 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 18:38:27,980 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 18:38:27,981 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 18:38:27,982 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 18:38:27,983 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 18:38:27,984 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 18:38:27,985 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 18:38:27,986 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 18:38:27,987 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 18:38:27,988 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 18:38:27,989 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 18:38:28,542 WARN L192 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 122 [2019-12-07 18:38:28,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-12-07 18:38:29,295 WARN L192 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2019-12-07 18:38:29,432 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:38:29,432 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,435 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 18:38:29,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:38:29,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:38:29,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:38:29,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,441 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 18:38:29,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:38:29,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:38:29,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:38:29,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,448 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 18:38:29,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:38:29,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:38:29,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:38:29,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,454 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 18:38:29,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:38:29,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:38:29,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,463 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 18:38:29,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:38:29,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:38:29,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:38:29,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,469 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 18:38:29,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:38:29,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:38:29,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,478 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 18:38:29,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:38:29,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:38:29,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:38:29,481 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,485 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 18:38:29,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:38:29,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:38:29,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:38:29,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,502 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 18:38:29,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:38:29,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:29,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:38:29,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:38:29,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:38:29,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:29,510 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 18:38:29,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:29,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:29,527 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:38:29,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:38:29,568 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:38:29,594 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 18:38:29,594 INFO L444 ModelExtractionUtils]: 49 out of 76 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:29,597 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:38:29,599 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:38:29,600 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:38:29,600 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_cstpncpy_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 1*ULTIMATE.start_cstpncpy_~d~0.offset Supporting invariants [] [2019-12-07 18:38:29,687 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2019-12-07 18:38:29,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 18:38:29,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:38:29,720 INFO L264 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 18:38:29,721 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:38:29,738 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 18:38:29,738 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:38:29,741 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:29,741 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:38:29,741 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-12-07 18:38:29,753 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-12-07 18:38:29,753 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:38:29,756 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:29,756 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:38:29,756 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:5 [2019-12-07 18:38:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:38:29,760 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:38:29,761 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:38:29,761 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 18:38:29,761 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2019-12-07 18:38:29,761 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand 6 states. [2019-12-07 18:38:29,833 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand 6 states. Result 23 states and 29 transitions. Complement of second has 8 states. [2019-12-07 18:38:29,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:38:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 18:38:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2019-12-07 18:38:29,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 10 letters. Loop has 2 letters. [2019-12-07 18:38:29,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:38:29,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 12 letters. Loop has 2 letters. [2019-12-07 18:38:29,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:38:29,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 18:38:29,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:38:29,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2019-12-07 18:38:29,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:38:29,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 15 states and 18 transitions. [2019-12-07 18:38:29,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 18:38:29,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 18:38:29,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2019-12-07 18:38:29,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:38:29,836 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-12-07 18:38:29,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2019-12-07 18:38:29,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-12-07 18:38:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 18:38:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-12-07 18:38:29,837 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-12-07 18:38:29,837 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-12-07 18:38:29,837 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:38:29,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2019-12-07 18:38:29,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:38:29,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:38:29,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:38:29,838 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:38:29,838 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:38:29,838 INFO L794 eck$LassoCheckResult]: Stem: 403#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 401#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 399#L534 assume !(main_~length~0 < 1); 400#L534-2 assume !(main_~n~0 < 1); 397#L537-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 398#L543-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet16, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 404#L543-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 405#L543-3 assume !(main_~i~0 < main_~length~0 - 1); 407#L543-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 396#L516 assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + (if cstpncpy_~n % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n % 4294967296 % 4294967296 else cstpncpy_~n % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 394#L520-4 [2019-12-07 18:38:29,838 INFO L796 eck$LassoCheckResult]: Loop: 394#L520-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 395#L521 assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~mem7; 402#L520-1 cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 406#L520-2 assume !!(0 != cstpncpy_#t~pre4 % 4294967296);havoc cstpncpy_#t~pre4; 394#L520-4 [2019-12-07 18:38:29,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:29,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times [2019-12-07 18:38:29,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:38:29,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465029567] [2019-12-07 18:38:29,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:38:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:29,858 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:38:29,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:29,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 2 times [2019-12-07 18:38:29,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:38:29,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028000821] [2019-12-07 18:38:29,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:38:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:29,866 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:38:29,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:29,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1308529127, now seen corresponding path program 1 times [2019-12-07 18:38:29,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:38:29,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398649586] [2019-12-07 18:38:29,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:38:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:29,895 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:38:31,549 WARN L192 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 205 DAG size of output: 182 [2019-12-07 18:38:31,563 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:31,570 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:34,726 WARN L192 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 162 DAG size of output: 162 [2019-12-07 18:38:34,727 INFO L614 ElimStorePlain]: treesize reduction 6, result has 99.1 percent of original size [2019-12-07 18:38:34,734 INFO L534 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:34,742 INFO L534 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:35,998 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 160 [2019-12-07 18:38:35,999 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:36,005 INFO L534 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:36,011 INFO L534 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:37,437 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 161 [2019-12-07 18:38:37,437 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:37,444 INFO L534 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:37,450 INFO L534 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:38,648 WARN L192 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 159 [2019-12-07 18:38:38,648 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:38,654 INFO L534 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-12-07 18:38:38,661 INFO L534 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-12-07 18:38:39,730 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 153 [2019-12-07 18:38:39,730 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:39,732 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 5 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2019-12-07 18:38:39,732 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:677, output treesize:609 [2019-12-07 18:38:41,046 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 161 [2019-12-07 18:38:41,050 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:38:41,050 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:38:41,050 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:38:41,050 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:38:41,050 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:38:41,050 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:38:41,050 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:38:41,050 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:38:41,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration4_Lasso [2019-12-07 18:38:41,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:38:41,050 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:38:41,055 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 18:38:41,057 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 18:38:41,249 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 18:38:41,730 WARN L192 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2019-12-07 18:38:41,824 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 18:38:41,826 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 18:38:41,827 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 18:38:41,828 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 18:38:41,829 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 18:38:41,830 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 18:38:41,831 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 18:38:41,832 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 18:38:41,833 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 18:38:41,835 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 18:38:41,836 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 18:38:41,837 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 18:38:41,838 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 18:38:41,839 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 18:38:41,840 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 18:38:41,840 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 18:38:41,841 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 18:38:41,842 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 18:38:41,843 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 18:38:41,845 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 18:38:41,846 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 18:38:41,847 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 18:38:41,848 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 18:38:41,849 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 18:38:41,849 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 18:38:41,851 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 18:38:41,852 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 18:38:41,852 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 18:38:42,270 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2019-12-07 18:38:42,887 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-12-07 18:38:43,018 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:38:43,018 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:43,020 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 18:38:43,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:43,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:38:43,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:38:43,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:43,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:43,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:38:43,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:38:43,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:43,027 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 18:38:43,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:38:43,029 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 18:38:43,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:38:43,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:38:43,041 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:38:43,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:38:43,081 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:38:43,127 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-12-07 18:38:43,127 INFO L444 ModelExtractionUtils]: 17 out of 61 variables were initially zero. Simplification set additionally 39 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:38:43,131 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:38:43,133 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 18:38:43,133 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:38:43,133 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3, ULTIMATE.start_cstpncpy_~s~0.offset) = 3*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 - 2*ULTIMATE.start_cstpncpy_~s~0.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstpncpy_~s~0.base)_1 + 2 >= 0] [2019-12-07 18:38:43,205 INFO L297 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2019-12-07 18:38:43,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 18:38:43,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:38:43,247 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjunts are in the unsatisfiable core [2019-12-07 18:38:43,248 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:38:43,258 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:43,258 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-12-07 18:38:43,258 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:38:43,273 INFO L614 ElimStorePlain]: treesize reduction 10, result has 68.8 percent of original size [2019-12-07 18:38:43,273 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:38:43,273 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:13 [2019-12-07 18:38:43,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 18:38:43,328 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-12-07 18:38:43,328 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:38:43,336 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:43,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 18:38:43,339 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 18:38:43,340 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 18:38:43,346 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:43,348 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 18:38:43,348 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-07 18:38:43,353 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:38:43,353 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:38:43,353 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:34, output treesize:19 [2019-12-07 18:38:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:38:43,376 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 18:38:43,376 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:38:43,397 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 18:38:43,397 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2019-12-07 18:38:43,397 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand 8 states. [2019-12-07 18:38:43,530 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand 8 states. Result 29 states and 33 transitions. Complement of second has 10 states. [2019-12-07 18:38:43,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2019-12-07 18:38:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 18:38:43,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 24 transitions. [2019-12-07 18:38:43,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 18:38:43,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:38:43,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 14 letters. Loop has 4 letters. [2019-12-07 18:38:43,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:38:43,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 10 letters. Loop has 8 letters. [2019-12-07 18:38:43,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:38:43,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 33 transitions. [2019-12-07 18:38:43,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:38:43,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 19 states and 22 transitions. [2019-12-07 18:38:43,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 18:38:43,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-12-07 18:38:43,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2019-12-07 18:38:43,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:38:43,533 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-12-07 18:38:43,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2019-12-07 18:38:43,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2019-12-07 18:38:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 18:38:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-12-07 18:38:43,534 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-12-07 18:38:43,534 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-12-07 18:38:43,534 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 18:38:43,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2019-12-07 18:38:43,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:38:43,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:38:43,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:38:43,535 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:38:43,535 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:38:43,535 INFO L794 eck$LassoCheckResult]: Stem: 602#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 600#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 598#L534 assume !(main_~length~0 < 1); 599#L534-2 assume !(main_~n~0 < 1); 596#L537-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 597#L543-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet16, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 603#L543-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 604#L543-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet16, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 606#L543-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 608#L543-3 assume !(main_~i~0 < main_~length~0 - 1); 607#L543-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 595#L516 assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + (if cstpncpy_~n % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n % 4294967296 % 4294967296 else cstpncpy_~n % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 593#L520-4 [2019-12-07 18:38:43,535 INFO L796 eck$LassoCheckResult]: Loop: 593#L520-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 594#L521 assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~mem7; 601#L520-1 cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 605#L520-2 assume !!(0 != cstpncpy_#t~pre4 % 4294967296);havoc cstpncpy_#t~pre4; 593#L520-4 [2019-12-07 18:38:43,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:43,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1352797870, now seen corresponding path program 2 times [2019-12-07 18:38:43,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:38:43,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184574101] [2019-12-07 18:38:43,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:38:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:43,563 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:38:43,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:43,564 INFO L82 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 3 times [2019-12-07 18:38:43,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:38:43,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167562187] [2019-12-07 18:38:43,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:38:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:43,574 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:38:43,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:43,574 INFO L82 PathProgramCache]: Analyzing trace with hash -24103227, now seen corresponding path program 2 times [2019-12-07 18:38:43,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:38:43,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835941026] [2019-12-07 18:38:43,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:38:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:43,603 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:38:47,925 WARN L192 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 231 DAG size of output: 207 [2019-12-07 18:38:47,945 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:47,953 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:57,515 WARN L192 SmtUtils]: Spent 9.56 s on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-12-07 18:38:57,516 INFO L614 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2019-12-07 18:38:57,525 INFO L534 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:38:57,537 INFO L534 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:03,064 WARN L192 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 178 [2019-12-07 18:39:03,064 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:39:03,074 INFO L534 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:03,084 INFO L534 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:09,389 WARN L192 SmtUtils]: Spent 6.30 s on a formula simplification that was a NOOP. DAG size: 179 [2019-12-07 18:39:09,389 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:39:09,397 INFO L534 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:09,406 INFO L534 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:16,287 WARN L192 SmtUtils]: Spent 6.88 s on a formula simplification that was a NOOP. DAG size: 183 [2019-12-07 18:39:16,287 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:39:16,295 INFO L534 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:16,302 INFO L534 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:21,338 WARN L192 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 178 [2019-12-07 18:39:21,339 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:39:21,347 INFO L534 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:21,358 INFO L534 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:39:24,077 WARN L192 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 173 [2019-12-07 18:39:24,077 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:39:24,084 INFO L534 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-12-07 18:39:24,090 INFO L534 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-12-07 18:39:26,287 WARN L192 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 167 [2019-12-07 18:39:26,287 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:39:26,289 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 7 dim-2 vars, End of recursive call: 16 dim-0 vars, and 2 xjuncts. [2019-12-07 18:39:26,289 INFO L239 ElimStorePlain]: Needed 15 recursive calls to eliminate 9 variables, input treesize:763, output treesize:659 [2019-12-07 18:39:28,841 WARN L192 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 177 [2019-12-07 18:39:28,845 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:39:28,845 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:39:28,845 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:39:28,845 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:39:28,845 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:39:28,845 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:28,845 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:39:28,845 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:39:28,845 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration5_Lasso [2019-12-07 18:39:28,845 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:39:28,845 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:39:28,850 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 18:39:28,852 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 18:39:28,853 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 18:39:28,854 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 18:39:28,855 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 18:39:28,857 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 18:39:28,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:39:28,859 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 18:39:28,861 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 18:39:28,862 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 18:39:28,863 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 18:39:28,864 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 18:39:28,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:39:28,867 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 18:39:28,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:39:28,869 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 18:39:28,870 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 18:39:28,872 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 18:39:28,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:39:28,874 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 18:39:28,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:39:28,876 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 18:39:28,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:39:28,878 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 18:39:28,880 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 18:39:28,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:39:28,882 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 18:39:28,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:39:28,884 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 18:39:28,886 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 18:39:29,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 18:39:29,700 WARN L192 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2019-12-07 18:39:30,032 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-12-07 18:39:30,450 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-12-07 18:39:30,576 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:39:30,576 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:39:30,579 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 18:39:30,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:39:30,585 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 18:39:30,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:39:30,592 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 18:39:30,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:39:30,598 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 18:39:30,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:39:30,605 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 18:39:30,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:39:30,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:39:30,611 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/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 18:39:30,614 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 18:39:30,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,620 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 18:39:30,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,627 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 18:39:30,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:39:30,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:39:30,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,635 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 18:39:30,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,641 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 18:39:30,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,649 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 18:39:30,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,655 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 18:39:30,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:39:30,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:39:30,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,663 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 18:39:30,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,670 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 18:39:30,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,677 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 18:39:30,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,684 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 18:39:30,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,690 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 18:39:30,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,696 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 18:39:30,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,702 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 18:39:30,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,709 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 18:39:30,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:39:30,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:39:30,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,717 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 18:39:30,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,722 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 18:39:30,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,732 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 18:39:30,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,738 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 18:39:30,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,745 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 18:39:30,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,752 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 18:39:30,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,758 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 18:39:30,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:39:30,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:39:30,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:39:30,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:39:30,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,770 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 18:39:30,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:39:30,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:39:30,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,780 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 18:39:30,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:39:30,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:39:30,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:39:30,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,789 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 18:39:30,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:39:30,790 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 18:39:30,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:39:30,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:39:30,797 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:39:30,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:39:30,815 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:39:30,845 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 18:39:30,846 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dea9a4f4-bcd6-457e-9d7e-59cc3807457c/bin/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:39:30,848 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:39:30,850 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:39:30,850 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:39:30,850 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstpncpy_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_4) = -1*ULTIMATE.start_cstpncpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_4 Supporting invariants [] [2019-12-07 18:39:30,944 INFO L297 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2019-12-07 18:39:30,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 18:39:30,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:39:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:39:30,974 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 18:39:30,975 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:39:30,985 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 18:39:30,985 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:39:30,987 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:39:30,987 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:39:30,987 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-12-07 18:39:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:39:31,001 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 18:39:31,001 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:39:31,013 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 18:39:31,014 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-12-07 18:39:31,014 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-12-07 18:39:31,048 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 20 states and 23 transitions. Complement of second has 6 states. [2019-12-07 18:39:31,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:39:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 18:39:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2019-12-07 18:39:31,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2019-12-07 18:39:31,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:39:31,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 16 letters. Loop has 4 letters. [2019-12-07 18:39:31,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:39:31,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 8 letters. [2019-12-07 18:39:31,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:39:31,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2019-12-07 18:39:31,050 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:39:31,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2019-12-07 18:39:31,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:39:31,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:39:31,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:39:31,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:39:31,050 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:39:31,050 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:39:31,050 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:39:31,050 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 18:39:31,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:39:31,050 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:39:31,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:39:31,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:39:31 BoogieIcfgContainer [2019-12-07 18:39:31,055 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:39:31,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:39:31,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:39:31,055 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:39:31,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:26" (3/4) ... [2019-12-07 18:39:31,057 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:39:31,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:39:31,058 INFO L168 Benchmark]: Toolchain (without parser) took 125606.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 934.0 MB in the beginning and 997.1 MB in the end (delta: -63.2 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:39:31,058 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:39:31,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:39:31,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.93 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 18:39:31,059 INFO L168 Benchmark]: Boogie Preprocessor took 20.43 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 18:39:31,059 INFO L168 Benchmark]: RCFGBuilder took 230.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:39:31,059 INFO L168 Benchmark]: BuchiAutomizer took 125020.88 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Free memory was 1.0 GB in the beginning and 997.1 MB in the end (delta: 44.7 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:39:31,060 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:39:31,061 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 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.93 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. * Boogie Preprocessor took 20.43 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. * RCFGBuilder took 230.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 125020.88 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Free memory was 1.0 GB in the beginning and 997.1 MB in the end (delta: 44.7 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 5 terminating modules (1 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * d and consists of 7 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -2 * s and consists of 8 locations. One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 124.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 124.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 69 SDtfs, 109 SDslu, 129 SDs, 0 SdLazy, 119 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital795 mio100 ax104 hnf99 lsp218 ukn27 mio100 lsp66 div114 bol100 ite100 ukn100 eq175 hnf84 smp67 dnf206 smp67 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 94ms VariablesStem: 34 VariablesLoop: 21 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...