./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 5f5357e64289d6bac41f74df7b40a85eebbaa806 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:05:52,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:05:52,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:05:52,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:05:52,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:05:52,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:05:52,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:05:52,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:05:52,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:05:52,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:05:52,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:05:52,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:05:52,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:05:52,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:05:52,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:05:52,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:05:52,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:05:52,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:05:52,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:05:52,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:05:52,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:05:52,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:05:52,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:05:52,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:05:52,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:05:52,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:05:52,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:05:52,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:05:52,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:05:52,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:05:52,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:05:52,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:05:52,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:05:52,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:05:52,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:05:52,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:05:52,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:05:52,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:05:52,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:05:52,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:05:52,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:05:52,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 05:05:52,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:05:52,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:05:52,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:05:52,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:05:52,973 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:05:52,973 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:05:52,973 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:05:52,974 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:05:52,974 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:05:52,974 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:05:52,975 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:05:52,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:05:52,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:05:52,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:05:52,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:05:52,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:05:52,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:05:52,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:05:52,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:05:52,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:05:52,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:05:52,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:05:52,977 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:05:52,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:05:52,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:05:52,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:05:52,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:05:52,979 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:05:52,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:05:52,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:05:52,979 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:05:52,980 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:05:52,981 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_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 -> 5f5357e64289d6bac41f74df7b40a85eebbaa806 [2019-11-20 05:05:53,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:05:53,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:05:53,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:05:53,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:05:53,152 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:05:53,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-11-20 05:05:53,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/data/016adfab7/5f03f9726d124e3eb37c4ef2b4bb1867/FLAG6814619f2 [2019-11-20 05:05:53,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:05:53,611 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-11-20 05:05:53,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/data/016adfab7/5f03f9726d124e3eb37c4ef2b4bb1867/FLAG6814619f2 [2019-11-20 05:05:53,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/data/016adfab7/5f03f9726d124e3eb37c4ef2b4bb1867 [2019-11-20 05:05:53,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:05:53,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:05:53,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:05:53,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:05:53,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:05:53,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:53" (1/1) ... [2019-11-20 05:05:53,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7365f415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:53, skipping insertion in model container [2019-11-20 05:05:53,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:53" (1/1) ... [2019-11-20 05:05:54,001 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:05:54,022 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:05:54,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:05:54,289 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:05:54,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:05:54,335 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:05:54,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54 WrapperNode [2019-11-20 05:05:54,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:05:54,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:05:54,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:05:54,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:05:54,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:05:54,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:05:54,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:05:54,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:05:54,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... [2019-11-20 05:05:54,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:05:54,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:05:54,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:05:54,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:05:54,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:05:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:05:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:05:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-11-20 05:05:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:05:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:05:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:05:54,789 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:05:54,790 INFO L285 CfgBuilder]: Removed 13 assume(true) statements. [2019-11-20 05:05:54,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:54 BoogieIcfgContainer [2019-11-20 05:05:54,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:05:54,791 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:05:54,791 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:05:54,795 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:05:54,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:05:54,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:05:53" (1/3) ... [2019-11-20 05:05:54,796 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@562a9837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:05:54, skipping insertion in model container [2019-11-20 05:05:54,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:05:54,797 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:54" (2/3) ... [2019-11-20 05:05:54,797 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@562a9837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:05:54, skipping insertion in model container [2019-11-20 05:05:54,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:05:54,797 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:54" (3/3) ... [2019-11-20 05:05:54,806 INFO L371 chiAutomizerObserver]: Analyzing ICFG verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-11-20 05:05:54,846 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:05:54,847 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:05:54,847 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:05:54,847 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:05:54,847 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:05:54,847 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:05:54,847 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:05:54,847 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:05:54,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2019-11-20 05:05:54,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-11-20 05:05:54,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:05:54,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:05:54,889 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 05:05:54,889 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 05:05:54,889 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:05:54,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2019-11-20 05:05:54,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-11-20 05:05:54,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:05:54,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:05:54,892 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 05:05:54,893 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 05:05:54,900 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 25#L50true assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3#L51-4true [2019-11-20 05:05:54,900 INFO L796 eck$LassoCheckResult]: Loop: 3#L51-4true parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 11#L54true assume !parse_expression_list_#t~switch4; 29#L53true havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 8#L51-1true call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 5#L51-2true assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 3#L51-4true [2019-11-20 05:05:54,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:54,906 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-20 05:05:54,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:54,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576949426] [2019-11-20 05:05:54,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:55,045 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:55,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:55,046 INFO L82 PathProgramCache]: Analyzing trace with hash 41899121, now seen corresponding path program 1 times [2019-11-20 05:05:55,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:55,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795208130] [2019-11-20 05:05:55,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:55,065 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:55,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:55,067 INFO L82 PathProgramCache]: Analyzing trace with hash 181226926, now seen corresponding path program 1 times [2019-11-20 05:05:55,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:55,068 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939473137] [2019-11-20 05:05:55,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:55,113 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:55,224 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-11-20 05:05:55,481 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-11-20 05:05:55,568 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:05:55,568 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:05:55,568 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:05:55,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:05:55,569 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:05:55,569 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:55,569 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:05:55,569 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:05:55,569 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2019-11-20 05:05:55,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:05:55,570 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:05:55,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,844 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-11-20 05:05:55,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:55,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:56,264 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:05:56,270 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:05:56,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:05:56,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:05:56,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:05:56,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:05:56,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:05:56,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:05:56,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:05:56,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:05:56,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:56,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:56,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,649 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 [2019-11-20 05:05:56,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:56,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,722 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 [2019-11-20 05:05:56,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,732 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 [2019-11-20 05:05:56,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:56,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:56,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,797 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 05:05:56,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,798 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 05:05:56,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:56,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:56,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:56,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:56,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:56,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:56,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:56,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:56,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:05:56,904 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:05:57,057 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-20 05:05:57,057 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:57,066 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:57,069 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 05:05:57,069 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:05:57,070 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_1, ULTIMATE.start_parse_expression_list_~str.offset, ULTIMATE.start_parse_expression_list_~i~0) = 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_1 - 1*ULTIMATE.start_parse_expression_list_~str.offset - 1*ULTIMATE.start_parse_expression_list_~i~0 Supporting invariants [] [2019-11-20 05:05:57,096 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 05:05:57,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 05:05:57,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:57,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:05:57,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:05:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:57,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:05:57,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:05:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:57,227 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:05:57,228 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states. Second operand 3 states. [2019-11-20 05:05:57,331 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states.. Second operand 3 states. Result 99 states and 138 transitions. Complement of second has 5 states. [2019-11-20 05:05:57,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 05:05:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:05:57,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions. [2019-11-20 05:05:57,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 3 letters. Loop has 5 letters. [2019-11-20 05:05:57,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:05:57,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 8 letters. Loop has 5 letters. [2019-11-20 05:05:57,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:05:57,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 3 letters. Loop has 10 letters. [2019-11-20 05:05:57,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:05:57,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 138 transitions. [2019-11-20 05:05:57,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:05:57,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 40 states and 55 transitions. [2019-11-20 05:05:57,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-20 05:05:57,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 05:05:57,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 55 transitions. [2019-11-20 05:05:57,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:05:57,366 INFO L688 BuchiCegarLoop]: Abstraction has 40 states and 55 transitions. [2019-11-20 05:05:57,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 55 transitions. [2019-11-20 05:05:57,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2019-11-20 05:05:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-20 05:05:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-11-20 05:05:57,396 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-20 05:05:57,397 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-20 05:05:57,397 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:05:57,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2019-11-20 05:05:57,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:05:57,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:05:57,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:05:57,400 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 05:05:57,400 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:05:57,400 INFO L794 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 221#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 222#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 204#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 205#L54 assume parse_expression_list_#t~switch4; 214#L55-5 [2019-11-20 05:05:57,400 INFO L796 eck$LassoCheckResult]: Loop: 214#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 215#L55-1 assume parse_expression_list_#t~short7; 219#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 214#L55-5 [2019-11-20 05:05:57,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:57,401 INFO L82 PathProgramCache]: Analyzing trace with hash 28695815, now seen corresponding path program 1 times [2019-11-20 05:05:57,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:57,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927109369] [2019-11-20 05:05:57,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:57,463 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:57,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:57,464 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 1 times [2019-11-20 05:05:57,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:57,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356575219] [2019-11-20 05:05:57,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:57,487 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:57,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:57,489 INFO L82 PathProgramCache]: Analyzing trace with hash 178551732, now seen corresponding path program 1 times [2019-11-20 05:05:57,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:57,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254055937] [2019-11-20 05:05:57,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:57,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254055937] [2019-11-20 05:05:57,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:05:57,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 05:05:57,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925244327] [2019-11-20 05:05:57,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:05:57,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:05:57,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:05:57,802 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 18 Second operand 6 states. [2019-11-20 05:05:57,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:05:57,948 INFO L93 Difference]: Finished difference Result 71 states and 97 transitions. [2019-11-20 05:05:57,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:05:57,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 97 transitions. [2019-11-20 05:05:57,951 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-20 05:05:57,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 97 transitions. [2019-11-20 05:05:57,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-20 05:05:57,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-20 05:05:57,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 97 transitions. [2019-11-20 05:05:57,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:05:57,952 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 97 transitions. [2019-11-20 05:05:57,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 97 transitions. [2019-11-20 05:05:57,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 46. [2019-11-20 05:05:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 05:05:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2019-11-20 05:05:57,957 INFO L711 BuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-11-20 05:05:57,957 INFO L591 BuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-11-20 05:05:57,957 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 05:05:57,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 63 transitions. [2019-11-20 05:05:57,958 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:05:57,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:05:57,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:05:57,959 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:05:57,959 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:05:57,959 INFO L794 eck$LassoCheckResult]: Stem: 366#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 345#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 346#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 327#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 328#L54 assume !parse_expression_list_#t~switch4; 337#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 342#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 331#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 329#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 330#L54 assume parse_expression_list_#t~switch4; 338#L55-5 [2019-11-20 05:05:57,959 INFO L796 eck$LassoCheckResult]: Loop: 338#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 339#L55-1 assume parse_expression_list_#t~short7; 372#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 338#L55-5 [2019-11-20 05:05:57,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:57,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1934582895, now seen corresponding path program 1 times [2019-11-20 05:05:57,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:57,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117449425] [2019-11-20 05:05:57,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:57,984 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:57,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:57,984 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 2 times [2019-11-20 05:05:57,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:57,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600980201] [2019-11-20 05:05:57,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:57,992 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:57,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:57,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1007139050, now seen corresponding path program 1 times [2019-11-20 05:05:57,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:57,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696195012] [2019-11-20 05:05:57,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:58,020 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:58,395 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2019-11-20 05:05:58,502 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-11-20 05:05:58,504 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:05:58,504 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:05:58,504 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:05:58,504 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:05:58,504 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:05:58,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:58,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:05:58,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:05:58,505 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration3_Lasso [2019-11-20 05:05:58,505 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:05:58,505 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:05:58,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,724 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-11-20 05:05:58,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:58,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:05:59,162 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:05:59,163 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:05:59,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:59,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:59,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:05:59,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:59,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:59,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:05:59,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:05:59,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:05:59,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:59,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:05:59,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:05:59,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:05:59,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:05:59,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:05:59,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:05:59,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:05:59,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:05:59,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:05:59,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:05:59,446 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:05:59,467 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 05:05:59,467 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:05:59,471 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:05:59,474 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 05:05:59,474 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:05:59,474 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2, ULTIMATE.start_parse_expression_list_~start~0, ULTIMATE.start_parse_expression_list_~str.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2 - 1*ULTIMATE.start_parse_expression_list_~start~0 - 1*ULTIMATE.start_parse_expression_list_~str.offset Supporting invariants [] [2019-11-20 05:05:59,509 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 05:05:59,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 05:05:59,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:59,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:05:59,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:05:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:59,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:05:59,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:05:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:59,573 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 05:05:59,573 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 20 Second operand 4 states. [2019-11-20 05:05:59,670 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 20. Second operand 4 states. Result 153 states and 213 transitions. Complement of second has 8 states. [2019-11-20 05:05:59,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:05:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:05:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2019-11-20 05:05:59,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-20 05:05:59,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:05:59,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 13 letters. Loop has 3 letters. [2019-11-20 05:05:59,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:05:59,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-20 05:05:59,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:05:59,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 213 transitions. [2019-11-20 05:05:59,678 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2019-11-20 05:05:59,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 115 states and 159 transitions. [2019-11-20 05:05:59,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2019-11-20 05:05:59,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2019-11-20 05:05:59,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 159 transitions. [2019-11-20 05:05:59,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:05:59,682 INFO L688 BuchiCegarLoop]: Abstraction has 115 states and 159 transitions. [2019-11-20 05:05:59,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 159 transitions. [2019-11-20 05:05:59,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-11-20 05:05:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-20 05:05:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 102 transitions. [2019-11-20 05:05:59,688 INFO L711 BuchiCegarLoop]: Abstraction has 72 states and 102 transitions. [2019-11-20 05:05:59,688 INFO L591 BuchiCegarLoop]: Abstraction has 72 states and 102 transitions. [2019-11-20 05:05:59,689 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 05:05:59,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 102 transitions. [2019-11-20 05:05:59,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:05:59,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:05:59,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:05:59,690 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:05:59,690 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:05:59,691 INFO L794 eck$LassoCheckResult]: Stem: 677#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 653#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 654#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 632#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 633#L54 assume parse_expression_list_#t~switch4; 661#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 678#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 650#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 638#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 639#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 662#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 663#L58-8 [2019-11-20 05:05:59,691 INFO L796 eck$LassoCheckResult]: Loop: 663#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 670#L58-1 assume !parse_expression_list_#t~short14; 656#L58-6 assume !!parse_expression_list_#t~short14;havoc parse_expression_list_#t~short14;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post15 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post15 - 1;havoc parse_expression_list_#t~post15; 663#L58-8 [2019-11-20 05:05:59,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:59,691 INFO L82 PathProgramCache]: Analyzing trace with hash 2066956948, now seen corresponding path program 1 times [2019-11-20 05:05:59,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:59,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881061741] [2019-11-20 05:05:59,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:59,715 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:59,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash 75859, now seen corresponding path program 1 times [2019-11-20 05:05:59,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:59,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644253530] [2019-11-20 05:05:59,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:59,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644253530] [2019-11-20 05:05:59,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:05:59,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:05:59,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103876601] [2019-11-20 05:05:59,723 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 05:05:59,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:05:59,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:05:59,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:05:59,723 INFO L87 Difference]: Start difference. First operand 72 states and 102 transitions. cyclomatic complexity: 36 Second operand 3 states. [2019-11-20 05:05:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:05:59,734 INFO L93 Difference]: Finished difference Result 74 states and 103 transitions. [2019-11-20 05:05:59,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:05:59,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 103 transitions. [2019-11-20 05:05:59,735 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:05:59,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 73 states and 102 transitions. [2019-11-20 05:05:59,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-20 05:05:59,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-20 05:05:59,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 102 transitions. [2019-11-20 05:05:59,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:05:59,737 INFO L688 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-20 05:05:59,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 102 transitions. [2019-11-20 05:05:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-20 05:05:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-20 05:05:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-11-20 05:05:59,743 INFO L711 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-20 05:05:59,743 INFO L591 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-20 05:05:59,743 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 05:05:59,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 102 transitions. [2019-11-20 05:05:59,744 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:05:59,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:05:59,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:05:59,744 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:05:59,744 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 05:05:59,745 INFO L794 eck$LassoCheckResult]: Stem: 827#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 804#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 805#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 784#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 785#L54 assume parse_expression_list_#t~switch4; 796#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 797#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 835#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 832#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 816#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 807#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 808#L58-8 [2019-11-20 05:05:59,745 INFO L796 eck$LassoCheckResult]: Loop: 808#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 820#L58-1 assume parse_expression_list_#t~short14;call parse_expression_list_#t~mem11 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short13 := 32 == parse_expression_list_#t~mem11; 817#L58-2 assume parse_expression_list_#t~short13; 811#L58-4 parse_expression_list_#t~short14 := parse_expression_list_#t~short13; 812#L58-6 assume !!parse_expression_list_#t~short14;havoc parse_expression_list_#t~short14;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post15 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post15 - 1;havoc parse_expression_list_#t~post15; 808#L58-8 [2019-11-20 05:05:59,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:59,745 INFO L82 PathProgramCache]: Analyzing trace with hash 2066956948, now seen corresponding path program 2 times [2019-11-20 05:05:59,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:59,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288949233] [2019-11-20 05:05:59,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:59,769 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:59,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:59,770 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 1 times [2019-11-20 05:05:59,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:59,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724059685] [2019-11-20 05:05:59,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:05:59,777 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:05:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:59,777 INFO L82 PathProgramCache]: Analyzing trace with hash 733119365, now seen corresponding path program 1 times [2019-11-20 05:05:59,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:59,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387671773] [2019-11-20 05:05:59,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:59,821 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387671773] [2019-11-20 05:05:59,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:05:59,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 05:05:59,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474026759] [2019-11-20 05:05:59,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:05:59,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:05:59,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:05:59,882 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. cyclomatic complexity: 35 Second operand 6 states. [2019-11-20 05:05:59,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:05:59,982 INFO L93 Difference]: Finished difference Result 123 states and 161 transitions. [2019-11-20 05:05:59,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 05:05:59,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 123 states and 161 transitions. [2019-11-20 05:05:59,987 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-20 05:05:59,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 123 states to 111 states and 148 transitions. [2019-11-20 05:05:59,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2019-11-20 05:05:59,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2019-11-20 05:05:59,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 148 transitions. [2019-11-20 05:05:59,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:05:59,989 INFO L688 BuchiCegarLoop]: Abstraction has 111 states and 148 transitions. [2019-11-20 05:05:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 148 transitions. [2019-11-20 05:05:59,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 77. [2019-11-20 05:05:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-20 05:05:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2019-11-20 05:05:59,995 INFO L711 BuchiCegarLoop]: Abstraction has 77 states and 104 transitions. [2019-11-20 05:05:59,995 INFO L591 BuchiCegarLoop]: Abstraction has 77 states and 104 transitions. [2019-11-20 05:05:59,995 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 05:05:59,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 104 transitions. [2019-11-20 05:05:59,996 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:05:59,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:05:59,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:06:00,002 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:06:00,002 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 05:06:00,002 INFO L794 eck$LassoCheckResult]: Stem: 1043#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1017#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1018#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 997#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 998#L54 assume !parse_expression_list_#t~switch4; 1020#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 1073#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1072#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 1066#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1019#L54 assume parse_expression_list_#t~switch4; 1021#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 1011#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 1071#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 1002#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 1003#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 1023#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 1024#L58-8 [2019-11-20 05:06:00,002 INFO L796 eck$LassoCheckResult]: Loop: 1024#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 1036#L58-1 assume parse_expression_list_#t~short14;call parse_expression_list_#t~mem11 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short13 := 32 == parse_expression_list_#t~mem11; 1033#L58-2 assume parse_expression_list_#t~short13; 1027#L58-4 parse_expression_list_#t~short14 := parse_expression_list_#t~short13; 1028#L58-6 assume !!parse_expression_list_#t~short14;havoc parse_expression_list_#t~short14;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post15 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post15 - 1;havoc parse_expression_list_#t~post15; 1024#L58-8 [2019-11-20 05:06:00,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:00,003 INFO L82 PathProgramCache]: Analyzing trace with hash -960269922, now seen corresponding path program 1 times [2019-11-20 05:06:00,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:00,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48540917] [2019-11-20 05:06:00,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,062 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:00,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:00,063 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 2 times [2019-11-20 05:06:00,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:00,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166473004] [2019-11-20 05:06:00,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,078 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:00,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:00,079 INFO L82 PathProgramCache]: Analyzing trace with hash -554161477, now seen corresponding path program 1 times [2019-11-20 05:06:00,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:00,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305977883] [2019-11-20 05:06:00,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:00,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:00,137 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305977883] [2019-11-20 05:06:00,137 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283194175] [2019-11-20 05:06:00,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:06:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:00,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:06:00,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:06:00,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:06:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:00,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 05:06:00,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2019-11-20 05:06:00,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204023745] [2019-11-20 05:06:00,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:00,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 05:06:00,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:06:00,299 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. cyclomatic complexity: 33 Second operand 7 states. [2019-11-20 05:06:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:00,448 INFO L93 Difference]: Finished difference Result 165 states and 222 transitions. [2019-11-20 05:06:00,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 05:06:00,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 222 transitions. [2019-11-20 05:06:00,451 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-11-20 05:06:00,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 150 states and 200 transitions. [2019-11-20 05:06:00,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2019-11-20 05:06:00,453 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2019-11-20 05:06:00,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 200 transitions. [2019-11-20 05:06:00,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:06:00,453 INFO L688 BuchiCegarLoop]: Abstraction has 150 states and 200 transitions. [2019-11-20 05:06:00,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 200 transitions. [2019-11-20 05:06:00,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 116. [2019-11-20 05:06:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-20 05:06:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 156 transitions. [2019-11-20 05:06:00,462 INFO L711 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2019-11-20 05:06:00,462 INFO L591 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2019-11-20 05:06:00,462 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 05:06:00,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 156 transitions. [2019-11-20 05:06:00,463 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-20 05:06:00,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:06:00,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:06:00,464 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:06:00,464 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 05:06:00,464 INFO L794 eck$LassoCheckResult]: Stem: 1365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1342#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1343#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1321#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1322#L54 assume !parse_expression_list_#t~switch4; 1420#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 1419#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1418#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 1417#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1416#L54 assume !parse_expression_list_#t~switch4; 1380#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 1429#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1384#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 1383#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1379#L54 assume parse_expression_list_#t~switch4; 1332#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 1333#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 1366#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 1325#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 1326#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 1345#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 1346#L58-8 [2019-11-20 05:06:00,465 INFO L796 eck$LassoCheckResult]: Loop: 1346#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 1358#L58-1 assume parse_expression_list_#t~short14;call parse_expression_list_#t~mem11 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short13 := 32 == parse_expression_list_#t~mem11; 1355#L58-2 assume parse_expression_list_#t~short13; 1349#L58-4 parse_expression_list_#t~short14 := parse_expression_list_#t~short13; 1350#L58-6 assume !!parse_expression_list_#t~short14;havoc parse_expression_list_#t~short14;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post15 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post15 - 1;havoc parse_expression_list_#t~post15; 1346#L58-8 [2019-11-20 05:06:00,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:00,465 INFO L82 PathProgramCache]: Analyzing trace with hash 2047416532, now seen corresponding path program 2 times [2019-11-20 05:06:00,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:00,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884644748] [2019-11-20 05:06:00,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,492 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:00,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:00,492 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 3 times [2019-11-20 05:06:00,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:00,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442981029] [2019-11-20 05:06:00,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,499 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:00,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:00,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1001876155, now seen corresponding path program 2 times [2019-11-20 05:06:00,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:00,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337597343] [2019-11-20 05:06:00,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:00,525 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:01,130 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 118 [2019-11-20 05:06:01,224 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:06:01,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:06:01,225 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:06:01,225 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:06:01,225 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:06:01,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:01,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:06:01,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:06:01,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration7_Lasso [2019-11-20 05:06:01,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:06:01,225 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:06:01,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,501 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-11-20 05:06:01,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:06:01,824 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2019-11-20 05:06:01,927 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:06:01,927 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:06:01,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:01,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:01,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:01,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:01,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:01,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:01,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:01,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:01,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:06:01,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:01,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:01,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:01,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:01,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:01,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:01,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:01,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:01,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:06:01,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:01,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:01,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:01,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:01,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:01,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:06:01,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:06:01,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:06:01,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:01,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:01,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:01,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:01,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:01,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:01,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:01,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:01,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:06:01,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:01,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:01,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:01,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:01,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:01,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:06:01,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:06:01,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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) [2019-11-20 05:06:01,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:01,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:01,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:01,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:01,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:01,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:01,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:01,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:01,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/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 [2019-11-20 05:06:01,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:01,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:01,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:01,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:01,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:01,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:01,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:01,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:01,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:01,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:01,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:01,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:01,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:01,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:01,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:01,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:01,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:01,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:02,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:02,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:02,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:06:02,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:02,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:02,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:02,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:02,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:02,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:02,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:02,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:02,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:02,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:02,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:02,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:02,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:02,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:02,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:06:02,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:06:02,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:02,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:02,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:06:02,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:06:02,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:06:02,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:06:02,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:06:02,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:06:02,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:06:02,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:06:02,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,123 INFO L203 nArgumentSynthesizer]: 5 stem disjuncts [2019-11-20 05:06:02,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,128 INFO L401 nArgumentSynthesizer]: We have 14 Motzkin's Theorem applications. [2019-11-20 05:06:02,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:06:02,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:06:02,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,156 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 05:06:02,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,158 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 05:06:02,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:06:02,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:06:02,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:06:02,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:06:02,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:06:02,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:06:02,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:06:02,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:06:02,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:06:02,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:06:02,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:06:02,262 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-20 05:06:02,263 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:06:02,269 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:06:02,272 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 05:06:02,273 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:06:02,273 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~j~0) = 1*ULTIMATE.start_parse_expression_list_~j~0 Supporting invariants [] [2019-11-20 05:06:02,327 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-11-20 05:06:02,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:02,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:06:02,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:06:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:02,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:06:02,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:06:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:02,391 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 05:06:02,391 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 156 transitions. cyclomatic complexity: 49 Second operand 4 states. [2019-11-20 05:06:02,517 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 156 transitions. cyclomatic complexity: 49. Second operand 4 states. Result 271 states and 365 transitions. Complement of second has 11 states. [2019-11-20 05:06:02,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-20 05:06:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:06:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 76 transitions. [2019-11-20 05:06:02,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 21 letters. Loop has 5 letters. [2019-11-20 05:06:02,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:06:02,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 26 letters. Loop has 5 letters. [2019-11-20 05:06:02,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:06:02,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 21 letters. Loop has 10 letters. [2019-11-20 05:06:02,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:06:02,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 365 transitions. [2019-11-20 05:06:02,522 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2019-11-20 05:06:02,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 174 states and 233 transitions. [2019-11-20 05:06:02,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2019-11-20 05:06:02,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2019-11-20 05:06:02,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 233 transitions. [2019-11-20 05:06:02,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:06:02,529 INFO L688 BuchiCegarLoop]: Abstraction has 174 states and 233 transitions. [2019-11-20 05:06:02,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 233 transitions. [2019-11-20 05:06:02,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2019-11-20 05:06:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-11-20 05:06:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2019-11-20 05:06:02,545 INFO L711 BuchiCegarLoop]: Abstraction has 122 states and 163 transitions. [2019-11-20 05:06:02,546 INFO L591 BuchiCegarLoop]: Abstraction has 122 states and 163 transitions. [2019-11-20 05:06:02,546 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 05:06:02,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 163 transitions. [2019-11-20 05:06:02,547 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-20 05:06:02,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:06:02,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:06:02,548 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:06:02,548 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:06:02,548 INFO L794 eck$LassoCheckResult]: Stem: 1926#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1902#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1903#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1882#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1883#L54 assume parse_expression_list_#t~switch4; 1984#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 1989#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 1987#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 1985#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 1982#L56 assume 34 == parse_expression_list_#t~mem9;havoc parse_expression_list_#t~mem9;parse_expression_list_#t~post10 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post10;havoc parse_expression_list_#t~post10; 1980#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 1978#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 1976#L58-1 assume !parse_expression_list_#t~short14; 1974#L58-6 assume !parse_expression_list_#t~short14;havoc parse_expression_list_#t~short14;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~mem12; 1971#L58-9 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 1970#L59 assume !parse_expression_list_#t~short17; 1968#L59-2 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem16;havoc parse_expression_list_#t~short17; 1966#L59-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset; 1964#L30 parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1961#L3 assume !(0 == __VERIFIER_assert_~cond); 1960#L3-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 1957#L60 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 1953#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 1950#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1947#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 1946#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 1945#L54 assume parse_expression_list_#t~switch4; 1899#L55-5 [2019-11-20 05:06:02,548 INFO L796 eck$LassoCheckResult]: Loop: 1899#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 1942#L55-1 assume parse_expression_list_#t~short7; 1898#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 1899#L55-5 [2019-11-20 05:06:02,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:02,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1008934689, now seen corresponding path program 1 times [2019-11-20 05:06:02,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:02,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078328634] [2019-11-20 05:06:02,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:02,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078328634] [2019-11-20 05:06:02,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:02,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 05:06:02,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751930280] [2019-11-20 05:06:02,636 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:06:02,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:02,636 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 3 times [2019-11-20 05:06:02,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:02,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658269093] [2019-11-20 05:06:02,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:02,650 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:02,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:02,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 05:06:02,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:06:02,707 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. cyclomatic complexity: 50 Second operand 7 states. [2019-11-20 05:06:02,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:02,891 INFO L93 Difference]: Finished difference Result 211 states and 282 transitions. [2019-11-20 05:06:02,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 05:06:02,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 282 transitions. [2019-11-20 05:06:02,894 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2019-11-20 05:06:02,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 175 states and 230 transitions. [2019-11-20 05:06:02,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2019-11-20 05:06:02,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2019-11-20 05:06:02,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 230 transitions. [2019-11-20 05:06:02,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:06:02,896 INFO L688 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2019-11-20 05:06:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 230 transitions. [2019-11-20 05:06:02,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 124. [2019-11-20 05:06:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-20 05:06:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 164 transitions. [2019-11-20 05:06:02,903 INFO L711 BuchiCegarLoop]: Abstraction has 124 states and 164 transitions. [2019-11-20 05:06:02,903 INFO L591 BuchiCegarLoop]: Abstraction has 124 states and 164 transitions. [2019-11-20 05:06:02,903 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-20 05:06:02,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 164 transitions. [2019-11-20 05:06:02,904 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-20 05:06:02,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:06:02,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:06:02,905 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:06:02,905 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:06:02,906 INFO L794 eck$LassoCheckResult]: Stem: 2282#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2254#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2255#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2235#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2236#L54 assume parse_expression_list_#t~switch4; 2317#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2316#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 2315#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 2314#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2313#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 2312#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2311#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 2310#L58-1 assume !parse_expression_list_#t~short14; 2309#L58-6 assume !parse_expression_list_#t~short14;havoc parse_expression_list_#t~short14;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~mem12; 2308#L58-9 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2296#L59 assume !parse_expression_list_#t~short17; 2297#L59-2 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem16;havoc parse_expression_list_#t~short17; 2307#L59-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset; 2305#L30 parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 2303#L3 assume !(0 == __VERIFIER_assert_~cond); 2301#L3-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 2244#L60 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 2245#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 2306#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2304#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2302#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2300#L54 assume parse_expression_list_#t~switch4; 2246#L55-5 [2019-11-20 05:06:02,906 INFO L796 eck$LassoCheckResult]: Loop: 2246#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2247#L55-1 assume parse_expression_list_#t~short7; 2252#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 2246#L55-5 [2019-11-20 05:06:02,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:02,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1291887901, now seen corresponding path program 1 times [2019-11-20 05:06:02,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:02,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056998913] [2019-11-20 05:06:02,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:02,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056998913] [2019-11-20 05:06:02,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:02,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 05:06:02,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098909678] [2019-11-20 05:06:02,956 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:06:02,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:02,956 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 4 times [2019-11-20 05:06:02,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:02,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757344305] [2019-11-20 05:06:02,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:02,961 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:03,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:03,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:06:03,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:06:03,003 INFO L87 Difference]: Start difference. First operand 124 states and 164 transitions. cyclomatic complexity: 48 Second operand 6 states. [2019-11-20 05:06:03,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:03,098 INFO L93 Difference]: Finished difference Result 111 states and 147 transitions. [2019-11-20 05:06:03,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 05:06:03,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 147 transitions. [2019-11-20 05:06:03,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:06:03,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 98 states and 132 transitions. [2019-11-20 05:06:03,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-20 05:06:03,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-20 05:06:03,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 132 transitions. [2019-11-20 05:06:03,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:06:03,101 INFO L688 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-11-20 05:06:03,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 132 transitions. [2019-11-20 05:06:03,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-11-20 05:06:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-20 05:06:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 132 transitions. [2019-11-20 05:06:03,105 INFO L711 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-11-20 05:06:03,105 INFO L591 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-11-20 05:06:03,105 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-20 05:06:03,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 132 transitions. [2019-11-20 05:06:03,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:06:03,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:06:03,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:06:03,107 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:06:03,107 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:06:03,107 INFO L794 eck$LassoCheckResult]: Stem: 2528#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2504#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2505#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2485#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2486#L54 assume !parse_expression_list_#t~switch4; 2506#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 2569#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2567#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2564#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2562#L54 assume parse_expression_list_#t~switch4; 2499#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2500#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 2580#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 2581#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2582#L56 assume 34 == parse_expression_list_#t~mem9;havoc parse_expression_list_#t~mem9;parse_expression_list_#t~post10 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post10;havoc parse_expression_list_#t~post10; 2509#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2510#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 2520#L58-1 assume !parse_expression_list_#t~short14; 2521#L58-6 assume !parse_expression_list_#t~short14;havoc parse_expression_list_#t~short14;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~mem12; 2534#L58-9 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2533#L59 assume !parse_expression_list_#t~short17; 2531#L59-2 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem16;havoc parse_expression_list_#t~short17; 2529#L59-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset; 2525#L30 parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 2518#L3 assume !(0 == __VERIFIER_assert_~cond); 2515#L3-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 2494#L60 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 2495#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 2579#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2578#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2576#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2574#L54 assume parse_expression_list_#t~switch4; 2497#L55-5 [2019-11-20 05:06:03,107 INFO L796 eck$LassoCheckResult]: Loop: 2497#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2498#L55-1 assume parse_expression_list_#t~short7; 2502#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 2497#L55-5 [2019-11-20 05:06:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:03,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1171373033, now seen corresponding path program 1 times [2019-11-20 05:06:03,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:03,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929190656] [2019-11-20 05:06:03,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:06:03,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929190656] [2019-11-20 05:06:03,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:03,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 05:06:03,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664061154] [2019-11-20 05:06:03,176 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:06:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 5 times [2019-11-20 05:06:03,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:03,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424979243] [2019-11-20 05:06:03,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:03,181 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:03,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:03,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:06:03,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:06:03,227 INFO L87 Difference]: Start difference. First operand 98 states and 132 transitions. cyclomatic complexity: 41 Second operand 8 states. [2019-11-20 05:06:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:03,402 INFO L93 Difference]: Finished difference Result 170 states and 232 transitions. [2019-11-20 05:06:03,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 05:06:03,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 232 transitions. [2019-11-20 05:06:03,403 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-20 05:06:03,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 149 states and 201 transitions. [2019-11-20 05:06:03,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-20 05:06:03,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-20 05:06:03,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 201 transitions. [2019-11-20 05:06:03,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:06:03,405 INFO L688 BuchiCegarLoop]: Abstraction has 149 states and 201 transitions. [2019-11-20 05:06:03,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 201 transitions. [2019-11-20 05:06:03,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 117. [2019-11-20 05:06:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-20 05:06:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 158 transitions. [2019-11-20 05:06:03,409 INFO L711 BuchiCegarLoop]: Abstraction has 117 states and 158 transitions. [2019-11-20 05:06:03,409 INFO L591 BuchiCegarLoop]: Abstraction has 117 states and 158 transitions. [2019-11-20 05:06:03,409 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-20 05:06:03,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 158 transitions. [2019-11-20 05:06:03,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 05:06:03,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:06:03,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:06:03,411 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:06:03,411 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:06:03,412 INFO L794 eck$LassoCheckResult]: Stem: 2823#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2796#L-1 havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2797#L50 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2776#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2777#L54 assume !parse_expression_list_#t~switch4; 2798#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 2788#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2789#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2778#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2779#L54 assume parse_expression_list_#t~switch4; 2867#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2889#L55-1 assume !parse_expression_list_#t~short7;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 9 == parse_expression_list_#t~mem6; 2887#L55-3 assume !parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5; 2885#L55-6 call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2808#L56 assume !(34 == parse_expression_list_#t~mem9);havoc parse_expression_list_#t~mem9; 2801#L56-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2802#L58-8 parse_expression_list_#t~short14 := 0 < parse_expression_list_~j~0; 2819#L58-1 assume !parse_expression_list_#t~short14; 2838#L58-6 assume !parse_expression_list_#t~short14;havoc parse_expression_list_#t~short14;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~mem11;havoc parse_expression_list_#t~mem12; 2836#L58-9 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2834#L59 assume !parse_expression_list_#t~short17; 2833#L59-2 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem16;havoc parse_expression_list_#t~short17; 2826#L59-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset;havoc r_strncpy_#t~ret0.base, r_strncpy_#t~ret0.offset; 2820#L30 parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 2812#L3 assume !(0 == __VERIFIER_assert_~cond); 2807#L3-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 2786#L60 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 2787#L53 havoc parse_expression_list_#t~switch4;havoc parse_expression_list_#t~mem3; 2831#L51-1 call parse_expression_list_#t~mem1 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2830#L51-2 assume !!(0 != parse_expression_list_#t~mem1);havoc parse_expression_list_#t~mem1; 2829#L51-4 parse_expression_list_#t~post2 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post2;havoc parse_expression_list_#t~post2;call parse_expression_list_#t~mem3 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch4 := 0 == parse_expression_list_#t~mem3; 2827#L54 assume parse_expression_list_#t~switch4; 2790#L55-5 [2019-11-20 05:06:03,412 INFO L796 eck$LassoCheckResult]: Loop: 2790#L55-5 call parse_expression_list_#t~mem5 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short7 := 32 == parse_expression_list_#t~mem5; 2791#L55-1 assume parse_expression_list_#t~short7; 2794#L55-3 assume !!parse_expression_list_#t~short7;havoc parse_expression_list_#t~short7;havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~mem5;parse_expression_list_#t~post8 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post8;havoc parse_expression_list_#t~post8; 2790#L55-5 [2019-11-20 05:06:03,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:03,412 INFO L82 PathProgramCache]: Analyzing trace with hash -822771673, now seen corresponding path program 1 times [2019-11-20 05:06:03,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:03,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511867771] [2019-11-20 05:06:03,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:06:03,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511867771] [2019-11-20 05:06:03,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228301666] [2019-11-20 05:06:03,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaeefe79-29b6-4d66-aae4-5686fe37540f/bin/uautomizer/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:06:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:03,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-20 05:06:03,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:06:03,580 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8 [2019-11-20 05:06:03,581 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 05:06:03,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 05:06:03,590 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 05:06:03,590 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2019-11-20 05:06:03,740 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 26 [2019-11-20 05:06:03,741 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 05:06:03,748 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 05:06:03,749 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-20 05:06:03,750 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:33 [2019-11-20 05:06:03,806 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 32 treesize of output 10 [2019-11-20 05:06:03,807 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 05:06:03,813 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 05:06:03,813 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 05:06:03,813 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:42, output treesize:3 [2019-11-20 05:06:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:06:03,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 05:06:03,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2019-11-20 05:06:03,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609063428] [2019-11-20 05:06:03,820 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:06:03,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:03,820 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 6 times [2019-11-20 05:06:03,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:03,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132746433] [2019-11-20 05:06:03,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:03,826 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:03,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:03,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 05:06:03,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2019-11-20 05:06:03,869 INFO L87 Difference]: Start difference. First operand 117 states and 158 transitions. cyclomatic complexity: 48 Second operand 15 states. [2019-11-20 05:06:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:16,333 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2019-11-20 05:06:16,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-20 05:06:16,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 99 transitions. [2019-11-20 05:06:16,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:06:16,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 0 states and 0 transitions. [2019-11-20 05:06:16,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:06:16,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:06:16,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:06:16,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:06:16,335 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:06:16,335 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:06:16,335 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:06:16,335 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-20 05:06:16,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:06:16,335 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:06:16,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 05:06:16,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:06:16 BoogieIcfgContainer [2019-11-20 05:06:16,341 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 05:06:16,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:06:16,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:06:16,342 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:06:16,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:54" (3/4) ... [2019-11-20 05:06:16,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:06:16,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:06:16,360 INFO L168 Benchmark]: Toolchain (without parser) took 22373.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.0 MB). Free memory was 950.5 MB in the beginning and 1.2 GB in the end (delta: -247.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:06:16,360 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:06:16,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:16,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:16,361 INFO L168 Benchmark]: Boogie Preprocessor took 28.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:06:16,361 INFO L168 Benchmark]: RCFGBuilder took 384.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:16,362 INFO L168 Benchmark]: BuchiAutomizer took 21549.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:06:16,362 INFO L168 Benchmark]: Witness Printer took 17.33 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:06:16,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 384.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 21549.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 17.33 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (8 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[str] + -1 * str + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[A] + -1 * start + -1 * str and consists of 5 locations. One deterministic module has affine ranking function j and consists of 6 locations. 8 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.5s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 7.3s. Construction of modules took 12.8s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 10. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 272 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 124 states and ocurred in iteration 8. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 344 SDtfs, 845 SDslu, 819 SDs, 0 SdLazy, 857 SolverSat, 138 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12.8s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU4 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital159 mio100 ax100 hnf101 lsp90 ukn74 mio100 lsp43 div100 bol100 ite100 ukn100 eq183 hnf86 smp96 dnf205 smp74 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 5 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 14 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...