./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 0.1.25-f470102 [2019-12-07 16:20:27,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:20:27,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:20:27,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:20:27,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:20:27,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:20:27,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:20:27,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:20:27,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:20:27,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:20:27,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:20:27,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:20:27,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:20:27,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:20:27,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:20:27,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:20:27,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:20:27,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:20:27,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:20:27,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:20:27,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:20:27,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:20:27,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:20:27,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:20:27,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:20:27,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:20:27,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:20:27,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:20:27,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:20:27,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:20:27,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:20:27,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:20:27,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:20:27,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:20:27,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:20:27,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:20:27,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:20:27,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:20:27,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:20:27,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:20:27,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:20:27,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 16:20:27,269 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:20:27,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:20:27,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:20:27,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:20:27,270 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:20:27,270 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 16:20:27,270 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 16:20:27,270 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 16:20:27,270 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 16:20:27,270 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 16:20:27,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 16:20:27,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 16:20:27,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:20:27,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:20:27,272 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 16:20:27,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:20:27,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 16:20:27,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:20:27,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:20:27,272 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 16:20:27,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:20:27,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:20:27,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:20:27,273 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 16:20:27,274 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 16:20:27,274 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_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:27,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:20:27,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:20:27,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:20:27,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:20:27,383 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:20:27,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-12-07 16:20:27,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/data/4b7682f98/b16dfd9773fa406083cf6312e42a7656/FLAG0b0fb2d0e [2019-12-07 16:20:27,751 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:20:27,751 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-12-07 16:20:27,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/data/4b7682f98/b16dfd9773fa406083cf6312e42a7656/FLAG0b0fb2d0e [2019-12-07 16:20:27,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/data/4b7682f98/b16dfd9773fa406083cf6312e42a7656 [2019-12-07 16:20:27,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:20:27,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:20:27,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:20:27,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:20:27,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:20:27,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:27,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7ca53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27, skipping insertion in model container [2019-12-07 16:20:27,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:27,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:20:27,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:20:27,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:20:27,958 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:20:27,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:20:27,989 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:20:27,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27 WrapperNode [2019-12-07 16:20:27,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:20:27,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:20:27,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:20:27,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:20:27,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:20:28,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:20:28,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:20:28,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:20:28,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... [2019-12-07 16:20:28,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:20:28,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:20:28,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:20:28,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:20:28,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:20:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:20:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:20:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-12-07 16:20:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:20:28,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:20:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:20:28,262 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:20:28,262 INFO L287 CfgBuilder]: Removed 13 assume(true) statements. [2019-12-07 16:20:28,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:20:28 BoogieIcfgContainer [2019-12-07 16:20:28,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:20:28,263 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 16:20:28,263 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 16:20:28,265 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 16:20:28,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:20:28,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 04:20:27" (1/3) ... [2019-12-07 16:20:28,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73a96493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:20:28, skipping insertion in model container [2019-12-07 16:20:28,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:20:28,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:20:27" (2/3) ... [2019-12-07 16:20:28,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73a96493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:20:28, skipping insertion in model container [2019-12-07 16:20:28,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:20:28,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:20:28" (3/3) ... [2019-12-07 16:20:28,268 INFO L371 chiAutomizerObserver]: Analyzing ICFG verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-12-07 16:20:28,297 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 16:20:28,297 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 16:20:28,297 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 16:20:28,297 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:20:28,297 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:20:28,298 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 16:20:28,298 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:20:28,298 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 16:20:28,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2019-12-07 16:20:28,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-12-07 16:20:28,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:28,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:28,325 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 16:20:28,325 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:20:28,325 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 16:20:28,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2019-12-07 16:20:28,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-12-07 16:20:28,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:28,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:28,328 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 16:20:28,328 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:20:28,333 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~ret20, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post2, parse_expression_list_#t~mem3, parse_expression_list_#t~switch4, parse_expression_list_#t~post8, parse_expression_list_#t~mem5, parse_expression_list_#t~mem6, parse_expression_list_#t~short7, parse_expression_list_#t~mem9, parse_expression_list_#t~post10, parse_expression_list_#t~post15, parse_expression_list_#t~mem11, parse_expression_list_#t~mem12, parse_expression_list_#t~short13, parse_expression_list_#t~short14, parse_expression_list_#t~mem16, parse_expression_list_#t~short17, parse_expression_list_#t~post18, parse_expression_list_#t~ret19.base, parse_expression_list_#t~ret19.offset, parse_expression_list_#t~mem1, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 25#L50true assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3#L51-4true [2019-12-07 16:20:28,333 INFO L796 eck$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~mem3;havoc parse_expression_list_#t~switch4; 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 [2019-12-07 16:20:28,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:28,337 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-12-07 16:20:28,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:28,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541727238] [2019-12-07 16:20:28,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:28,432 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:28,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:28,433 INFO L82 PathProgramCache]: Analyzing trace with hash 41899121, now seen corresponding path program 1 times [2019-12-07 16:20:28,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:28,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116999272] [2019-12-07 16:20:28,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:28,445 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:28,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:28,447 INFO L82 PathProgramCache]: Analyzing trace with hash 181226926, now seen corresponding path program 1 times [2019-12-07 16:20:28,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:28,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160469009] [2019-12-07 16:20:28,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:28,476 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:28,652 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-12-07 16:20:28,700 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:20:28,701 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:20:28,701 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:20:28,701 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:20:28,701 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:20:28,701 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:28,701 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:20:28,702 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:20:28,702 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2019-12-07 16:20:28,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:20:28,702 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:20:28,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:28,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:29,066 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:20:29,070 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,176 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 [2019-12-07 16:20:29,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,233 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 [2019-12-07 16:20:29,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:29,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:29,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,292 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 16:20:29,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,293 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 16:20:29,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:29,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:29,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:29,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:29,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:29,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:29,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:29,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:29,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:20:29,368 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 16:20:29,368 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_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:29,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:20:29,379 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:20:29,379 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:20:29,380 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 [] [2019-12-07 16:20:29,399 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 16:20:29,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 16:20:29,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:29,430 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:20:29,431 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:20:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:29,442 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:20:29,442 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:20:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:29,469 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 16:20:29,470 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states. Second operand 3 states. [2019-12-07 16:20:29,528 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. [2019-12-07 16:20:29,528 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 [2019-12-07 16:20:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 16:20:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions. [2019-12-07 16:20:29,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 3 letters. Loop has 5 letters. [2019-12-07 16:20:29,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:29,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 8 letters. Loop has 5 letters. [2019-12-07 16:20:29,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:29,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 3 letters. Loop has 10 letters. [2019-12-07 16:20:29,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:29,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 138 transitions. [2019-12-07 16:20:29,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:29,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 40 states and 55 transitions. [2019-12-07 16:20:29,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-12-07 16:20:29,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-12-07 16:20:29,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 55 transitions. [2019-12-07 16:20:29,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:29,543 INFO L688 BuchiCegarLoop]: Abstraction has 40 states and 55 transitions. [2019-12-07 16:20:29,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 55 transitions. [2019-12-07 16:20:29,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2019-12-07 16:20:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 16:20:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-12-07 16:20:29,562 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-12-07 16:20:29,562 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-12-07 16:20:29,563 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 16:20:29,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2019-12-07 16:20:29,564 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:29,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:29,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:29,564 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 16:20:29,564 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:20:29,564 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 [2019-12-07 16:20:29,564 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 [2019-12-07 16:20:29,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:29,565 INFO L82 PathProgramCache]: Analyzing trace with hash 28695815, now seen corresponding path program 1 times [2019-12-07 16:20:29,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:29,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576421093] [2019-12-07 16:20:29,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,587 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:29,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:29,587 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 1 times [2019-12-07 16:20:29,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:29,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369242319] [2019-12-07 16:20:29,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,595 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:29,595 INFO L82 PathProgramCache]: Analyzing trace with hash 178551732, now seen corresponding path program 1 times [2019-12-07 16:20:29,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:29,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253421874] [2019-12-07 16:20:29,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:29,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253421874] [2019-12-07 16:20:29,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:20:29,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 16:20:29,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116250383] [2019-12-07 16:20:29,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:20:29,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:20:29,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:20:29,753 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 18 Second operand 6 states. [2019-12-07 16:20:29,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:20:29,833 INFO L93 Difference]: Finished difference Result 71 states and 97 transitions. [2019-12-07 16:20:29,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:20:29,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 97 transitions. [2019-12-07 16:20:29,836 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-12-07 16:20:29,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 97 transitions. [2019-12-07 16:20:29,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-12-07 16:20:29,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-12-07 16:20:29,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 97 transitions. [2019-12-07 16:20:29,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:29,837 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 97 transitions. [2019-12-07 16:20:29,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 97 transitions. [2019-12-07 16:20:29,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 46. [2019-12-07 16:20:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 16:20:29,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2019-12-07 16:20:29,840 INFO L711 BuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-12-07 16:20:29,840 INFO L591 BuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-12-07 16:20:29,840 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 16:20:29,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 63 transitions. [2019-12-07 16:20:29,841 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:29,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:29,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:29,842 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:20:29,842 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:20:29,842 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~mem3;havoc parse_expression_list_#t~switch4; 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 [2019-12-07 16:20:29,842 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 [2019-12-07 16:20:29,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:29,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1934582895, now seen corresponding path program 1 times [2019-12-07 16:20:29,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:29,843 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966689811] [2019-12-07 16:20:29,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,867 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:29,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:29,868 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 2 times [2019-12-07 16:20:29,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:29,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254720995] [2019-12-07 16:20:29,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,875 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:29,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:29,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1007139050, now seen corresponding path program 1 times [2019-12-07 16:20:29,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:29,876 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073791626] [2019-12-07 16:20:29,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:29,902 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:30,106 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2019-12-07 16:20:30,162 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:20:30,162 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:20:30,162 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:20:30,162 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:20:30,163 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:20:30,163 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,163 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:20:30,163 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:20:30,163 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration3_Lasso [2019-12-07 16:20:30,163 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:20:30,163 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:20:30,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:30,538 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:20:30,538 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:30,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:30,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:30,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:30,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:30,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:30,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:30,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:30,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:30,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:30,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:20:30,727 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 16:20:30,727 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_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:30,729 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:20:30,731 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:20:30,732 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:20:30,732 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 [] [2019-12-07 16:20:30,748 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 16:20:30,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 16:20:30,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:30,773 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 16:20:30,774 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:20:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:30,778 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 16:20:30,778 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:20:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:30,788 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 [2019-12-07 16:20:30,788 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 20 Second operand 4 states. [2019-12-07 16:20:30,851 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. [2019-12-07 16:20:30,851 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 [2019-12-07 16:20:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 16:20:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2019-12-07 16:20:30,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 10 letters. Loop has 3 letters. [2019-12-07 16:20:30,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:30,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 13 letters. Loop has 3 letters. [2019-12-07 16:20:30,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:30,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 10 letters. Loop has 6 letters. [2019-12-07 16:20:30,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:30,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 213 transitions. [2019-12-07 16:20:30,854 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2019-12-07 16:20:30,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 115 states and 159 transitions. [2019-12-07 16:20:30,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2019-12-07 16:20:30,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2019-12-07 16:20:30,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 159 transitions. [2019-12-07 16:20:30,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:30,857 INFO L688 BuchiCegarLoop]: Abstraction has 115 states and 159 transitions. [2019-12-07 16:20:30,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 159 transitions. [2019-12-07 16:20:30,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-12-07 16:20:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 16:20:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 102 transitions. [2019-12-07 16:20:30,862 INFO L711 BuchiCegarLoop]: Abstraction has 72 states and 102 transitions. [2019-12-07 16:20:30,862 INFO L591 BuchiCegarLoop]: Abstraction has 72 states and 102 transitions. [2019-12-07 16:20:30,863 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 16:20:30,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 102 transitions. [2019-12-07 16:20:30,863 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:30,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:30,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:30,864 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:20:30,864 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:20:30,864 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 [2019-12-07 16:20:30,864 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~mem11;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~short14;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 [2019-12-07 16:20:30,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:30,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2066956948, now seen corresponding path program 1 times [2019-12-07 16:20:30,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:30,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252852338] [2019-12-07 16:20:30,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:30,884 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:30,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:30,885 INFO L82 PathProgramCache]: Analyzing trace with hash 75859, now seen corresponding path program 1 times [2019-12-07 16:20:30,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:30,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681706995] [2019-12-07 16:20:30,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:30,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681706995] [2019-12-07 16:20:30,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:20:30,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:20:30,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800568792] [2019-12-07 16:20:30,890 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 16:20:30,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:20:30,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:20:30,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:20:30,891 INFO L87 Difference]: Start difference. First operand 72 states and 102 transitions. cyclomatic complexity: 36 Second operand 3 states. [2019-12-07 16:20:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:20:30,898 INFO L93 Difference]: Finished difference Result 74 states and 103 transitions. [2019-12-07 16:20:30,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:20:30,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 103 transitions. [2019-12-07 16:20:30,900 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:30,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 73 states and 102 transitions. [2019-12-07 16:20:30,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-12-07 16:20:30,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-12-07 16:20:30,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 102 transitions. [2019-12-07 16:20:30,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:30,901 INFO L688 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 16:20:30,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 102 transitions. [2019-12-07 16:20:30,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 16:20:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 16:20:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 16:20:30,904 INFO L711 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 16:20:30,904 INFO L591 BuchiCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 16:20:30,904 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 16:20:30,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 102 transitions. [2019-12-07 16:20:30,905 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:30,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:30,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:30,905 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:20:30,905 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:20:30,905 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 [2019-12-07 16:20:30,905 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~mem11;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~short14;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 [2019-12-07 16:20:30,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:30,906 INFO L82 PathProgramCache]: Analyzing trace with hash 2066956948, now seen corresponding path program 2 times [2019-12-07 16:20:30,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:30,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281722923] [2019-12-07 16:20:30,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:30,921 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:30,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:30,922 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 1 times [2019-12-07 16:20:30,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:30,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938092650] [2019-12-07 16:20:30,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:30,927 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:30,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash 733119365, now seen corresponding path program 1 times [2019-12-07 16:20:30,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:30,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466453596] [2019-12-07 16:20:30,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:30,952 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466453596] [2019-12-07 16:20:30,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:20:30,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 16:20:30,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213593671] [2019-12-07 16:20:30,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:20:30,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:20:30,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:20:30,995 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. cyclomatic complexity: 35 Second operand 6 states. [2019-12-07 16:20:31,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:20:31,048 INFO L93 Difference]: Finished difference Result 123 states and 161 transitions. [2019-12-07 16:20:31,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:20:31,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 123 states and 161 transitions. [2019-12-07 16:20:31,050 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-12-07 16:20:31,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 123 states to 111 states and 148 transitions. [2019-12-07 16:20:31,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2019-12-07 16:20:31,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2019-12-07 16:20:31,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 148 transitions. [2019-12-07 16:20:31,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:31,052 INFO L688 BuchiCegarLoop]: Abstraction has 111 states and 148 transitions. [2019-12-07 16:20:31,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 148 transitions. [2019-12-07 16:20:31,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 77. [2019-12-07 16:20:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 16:20:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2019-12-07 16:20:31,056 INFO L711 BuchiCegarLoop]: Abstraction has 77 states and 104 transitions. [2019-12-07 16:20:31,056 INFO L591 BuchiCegarLoop]: Abstraction has 77 states and 104 transitions. [2019-12-07 16:20:31,056 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 16:20:31,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 104 transitions. [2019-12-07 16:20:31,057 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:31,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:31,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:31,057 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:20:31,057 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:20:31,057 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~mem3;havoc parse_expression_list_#t~switch4; 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 [2019-12-07 16:20:31,057 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~mem11;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~short14;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 [2019-12-07 16:20:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:31,058 INFO L82 PathProgramCache]: Analyzing trace with hash -960269922, now seen corresponding path program 1 times [2019-12-07 16:20:31,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:31,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194635042] [2019-12-07 16:20:31,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,076 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:31,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:31,076 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 2 times [2019-12-07 16:20:31,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:31,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021589125] [2019-12-07 16:20:31,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,082 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:31,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:31,082 INFO L82 PathProgramCache]: Analyzing trace with hash -554161477, now seen corresponding path program 1 times [2019-12-07 16:20:31,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:31,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760094949] [2019-12-07 16:20:31,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:31,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760094949] [2019-12-07 16:20:31,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211633829] [2019-12-07 16:20:31,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:31,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 16:20:31,144 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:20:31,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:20:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:31,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:20:31,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2019-12-07 16:20:31,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82547120] [2019-12-07 16:20:31,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:20:31,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 16:20:31,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:20:31,195 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. cyclomatic complexity: 33 Second operand 7 states. [2019-12-07 16:20:31,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:20:31,275 INFO L93 Difference]: Finished difference Result 165 states and 222 transitions. [2019-12-07 16:20:31,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:20:31,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 222 transitions. [2019-12-07 16:20:31,277 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-12-07 16:20:31,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 150 states and 200 transitions. [2019-12-07 16:20:31,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2019-12-07 16:20:31,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2019-12-07 16:20:31,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 200 transitions. [2019-12-07 16:20:31,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:31,278 INFO L688 BuchiCegarLoop]: Abstraction has 150 states and 200 transitions. [2019-12-07 16:20:31,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 200 transitions. [2019-12-07 16:20:31,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 116. [2019-12-07 16:20:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-07 16:20:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 156 transitions. [2019-12-07 16:20:31,282 INFO L711 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2019-12-07 16:20:31,282 INFO L591 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2019-12-07 16:20:31,283 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 16:20:31,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 156 transitions. [2019-12-07 16:20:31,283 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-12-07 16:20:31,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:31,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:31,284 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:20:31,284 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:20:31,284 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~mem3;havoc parse_expression_list_#t~switch4; 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~mem3;havoc parse_expression_list_#t~switch4; 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 [2019-12-07 16:20:31,284 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~mem11;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~short14;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 [2019-12-07 16:20:31,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:31,284 INFO L82 PathProgramCache]: Analyzing trace with hash 2047416532, now seen corresponding path program 2 times [2019-12-07 16:20:31,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:31,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923302641] [2019-12-07 16:20:31,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,300 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:31,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:31,301 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 3 times [2019-12-07 16:20:31,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:31,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120858228] [2019-12-07 16:20:31,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,305 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:31,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:31,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1001876155, now seen corresponding path program 2 times [2019-12-07 16:20:31,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:31,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510802711] [2019-12-07 16:20:31,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:31,323 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:31,685 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 118 [2019-12-07 16:20:31,750 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:20:31,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:20:31,750 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:20:31,750 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:20:31,751 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:20:31,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:31,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:20:31,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:20:31,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration7_Lasso [2019-12-07 16:20:31,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:20:31,751 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:20:31,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:31,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:20:32,224 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:20:32,224 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,240 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 [2019-12-07 16:20:32,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:32,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:32,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,294 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 [2019-12-07 16:20:32,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:20:32,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:20:32,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:20:32,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:32,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:32,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,364 INFO L203 nArgumentSynthesizer]: 5 stem disjuncts [2019-12-07 16:20:32,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,367 INFO L401 nArgumentSynthesizer]: We have 14 Motzkin's Theorem applications. [2019-12-07 16:20:32,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:32,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:32,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,390 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 16:20:32,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,391 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 16:20:32,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:32,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:20:32,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:20:32,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:20:32,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:20:32,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:20:32,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:20:32,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:20:32,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:20:32,446 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-12-07 16:20:32,446 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_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:20:32,448 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:20:32,451 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:20:32,451 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:20:32,451 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 [] [2019-12-07 16:20:32,481 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-12-07 16:20:32,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:32,501 INFO L264 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:20:32,503 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:20:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:32,507 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:20:32,507 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:20:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:32,526 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 16:20:32,526 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 156 transitions. cyclomatic complexity: 49 Second operand 4 states. [2019-12-07 16:20:32,588 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. [2019-12-07 16:20:32,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-12-07 16:20:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 16:20:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 76 transitions. [2019-12-07 16:20:32,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 21 letters. Loop has 5 letters. [2019-12-07 16:20:32,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:32,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 26 letters. Loop has 5 letters. [2019-12-07 16:20:32,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:32,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 21 letters. Loop has 10 letters. [2019-12-07 16:20:32,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:20:32,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 365 transitions. [2019-12-07 16:20:32,592 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2019-12-07 16:20:32,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 174 states and 233 transitions. [2019-12-07 16:20:32,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2019-12-07 16:20:32,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2019-12-07 16:20:32,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 233 transitions. [2019-12-07 16:20:32,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:32,593 INFO L688 BuchiCegarLoop]: Abstraction has 174 states and 233 transitions. [2019-12-07 16:20:32,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 233 transitions. [2019-12-07 16:20:32,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2019-12-07 16:20:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 16:20:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2019-12-07 16:20:32,597 INFO L711 BuchiCegarLoop]: Abstraction has 122 states and 163 transitions. [2019-12-07 16:20:32,597 INFO L591 BuchiCegarLoop]: Abstraction has 122 states and 163 transitions. [2019-12-07 16:20:32,597 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 16:20:32,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 163 transitions. [2019-12-07 16:20:32,598 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-12-07 16:20:32,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:32,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:32,598 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] [2019-12-07 16:20:32,598 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:20:32,599 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~mem11;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~short14; 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~short17;havoc parse_expression_list_#t~mem16; 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~mem3;havoc parse_expression_list_#t~switch4; 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 [2019-12-07 16:20:32,599 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 [2019-12-07 16:20:32,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:32,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1008934689, now seen corresponding path program 1 times [2019-12-07 16:20:32,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:32,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040315402] [2019-12-07 16:20:32,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:32,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040315402] [2019-12-07 16:20:32,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:20:32,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 16:20:32,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101995810] [2019-12-07 16:20:32,633 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:20:32,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 3 times [2019-12-07 16:20:32,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:32,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980650216] [2019-12-07 16:20:32,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:32,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:32,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:20:32,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 16:20:32,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:20:32,666 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. cyclomatic complexity: 50 Second operand 7 states. [2019-12-07 16:20:32,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:20:32,789 INFO L93 Difference]: Finished difference Result 211 states and 282 transitions. [2019-12-07 16:20:32,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:20:32,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 282 transitions. [2019-12-07 16:20:32,791 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2019-12-07 16:20:32,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 175 states and 230 transitions. [2019-12-07 16:20:32,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2019-12-07 16:20:32,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2019-12-07 16:20:32,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 230 transitions. [2019-12-07 16:20:32,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:32,793 INFO L688 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2019-12-07 16:20:32,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 230 transitions. [2019-12-07 16:20:32,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 124. [2019-12-07 16:20:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-12-07 16:20:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 164 transitions. [2019-12-07 16:20:32,797 INFO L711 BuchiCegarLoop]: Abstraction has 124 states and 164 transitions. [2019-12-07 16:20:32,797 INFO L591 BuchiCegarLoop]: Abstraction has 124 states and 164 transitions. [2019-12-07 16:20:32,797 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-12-07 16:20:32,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 164 transitions. [2019-12-07 16:20:32,798 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-12-07 16:20:32,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:32,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:32,799 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] [2019-12-07 16:20:32,799 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:20:32,799 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~mem11;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~short14; 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~short17;havoc parse_expression_list_#t~mem16; 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~mem3;havoc parse_expression_list_#t~switch4; 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 [2019-12-07 16:20:32,799 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 [2019-12-07 16:20:32,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:32,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1291887901, now seen corresponding path program 1 times [2019-12-07 16:20:32,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:32,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67225025] [2019-12-07 16:20:32,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:20:32,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67225025] [2019-12-07 16:20:32,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:20:32,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 16:20:32,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831476948] [2019-12-07 16:20:32,831 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:20:32,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:32,831 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 4 times [2019-12-07 16:20:32,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:32,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713770461] [2019-12-07 16:20:32,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:32,835 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:32,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:20:32,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:20:32,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:20:32,864 INFO L87 Difference]: Start difference. First operand 124 states and 164 transitions. cyclomatic complexity: 48 Second operand 6 states. [2019-12-07 16:20:32,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:20:32,928 INFO L93 Difference]: Finished difference Result 111 states and 147 transitions. [2019-12-07 16:20:32,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:20:32,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 147 transitions. [2019-12-07 16:20:32,929 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:32,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 98 states and 132 transitions. [2019-12-07 16:20:32,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-12-07 16:20:32,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-12-07 16:20:32,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 132 transitions. [2019-12-07 16:20:32,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:32,930 INFO L688 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-12-07 16:20:32,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 132 transitions. [2019-12-07 16:20:32,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-12-07 16:20:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-12-07 16:20:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 132 transitions. [2019-12-07 16:20:32,932 INFO L711 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-12-07 16:20:32,932 INFO L591 BuchiCegarLoop]: Abstraction has 98 states and 132 transitions. [2019-12-07 16:20:32,932 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-12-07 16:20:32,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 132 transitions. [2019-12-07 16:20:32,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:32,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:32,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:32,934 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] [2019-12-07 16:20:32,934 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:20:32,934 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~mem3;havoc parse_expression_list_#t~switch4; 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~mem11;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~short14; 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~short17;havoc parse_expression_list_#t~mem16; 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~mem3;havoc parse_expression_list_#t~switch4; 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 [2019-12-07 16:20:32,934 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 [2019-12-07 16:20:32,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:32,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1171373033, now seen corresponding path program 1 times [2019-12-07 16:20:32,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:32,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45799845] [2019-12-07 16:20:32,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 16:20:32,979 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45799845] [2019-12-07 16:20:32,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:20:32,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 16:20:32,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376385685] [2019-12-07 16:20:32,979 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:20:32,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:32,980 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 5 times [2019-12-07 16:20:32,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:32,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981577314] [2019-12-07 16:20:32,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:32,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:33,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:20:33,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:20:33,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:20:33,010 INFO L87 Difference]: Start difference. First operand 98 states and 132 transitions. cyclomatic complexity: 41 Second operand 8 states. [2019-12-07 16:20:33,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:20:33,122 INFO L93 Difference]: Finished difference Result 170 states and 232 transitions. [2019-12-07 16:20:33,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:20:33,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 232 transitions. [2019-12-07 16:20:33,124 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-12-07 16:20:33,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 149 states and 201 transitions. [2019-12-07 16:20:33,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-12-07 16:20:33,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-12-07 16:20:33,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 201 transitions. [2019-12-07 16:20:33,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:20:33,125 INFO L688 BuchiCegarLoop]: Abstraction has 149 states and 201 transitions. [2019-12-07 16:20:33,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 201 transitions. [2019-12-07 16:20:33,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 117. [2019-12-07 16:20:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-12-07 16:20:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 158 transitions. [2019-12-07 16:20:33,127 INFO L711 BuchiCegarLoop]: Abstraction has 117 states and 158 transitions. [2019-12-07 16:20:33,127 INFO L591 BuchiCegarLoop]: Abstraction has 117 states and 158 transitions. [2019-12-07 16:20:33,127 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-12-07 16:20:33,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 158 transitions. [2019-12-07 16:20:33,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 16:20:33,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:20:33,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:20:33,129 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] [2019-12-07 16:20:33,129 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:20:33,129 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~mem3;havoc parse_expression_list_#t~switch4; 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~mem11;havoc parse_expression_list_#t~mem12;havoc parse_expression_list_#t~short13;havoc parse_expression_list_#t~short14; 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~short17;havoc parse_expression_list_#t~mem16; 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~mem3;havoc parse_expression_list_#t~switch4; 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 [2019-12-07 16:20:33,129 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 [2019-12-07 16:20:33,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:33,129 INFO L82 PathProgramCache]: Analyzing trace with hash -822771673, now seen corresponding path program 1 times [2019-12-07 16:20:33,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:33,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843779145] [2019-12-07 16:20:33,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 16:20:33,188 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843779145] [2019-12-07 16:20:33,188 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793821402] [2019-12-07 16:20:33,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b770cd-44f7-45a5-975a-2e59776bbbf6/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 [2019-12-07 16:20:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:20:33,219 INFO L264 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2019-12-07 16:20:33,220 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:20:33,239 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 [2019-12-07 16:20:33,239 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:20:33,242 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:20:33,242 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:20:33,242 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2019-12-07 16:20:33,343 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 [2019-12-07 16:20:33,343 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:20:33,349 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:20:33,350 INFO L534 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. [2019-12-07 16:20:33,350 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:33 [2019-12-07 16:20:33,382 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 [2019-12-07 16:20:33,383 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:20:33,387 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:20:33,388 INFO L534 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:20:33,388 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:42, output treesize:3 [2019-12-07 16:20:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 16:20:33,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:20:33,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2019-12-07 16:20:33,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327243064] [2019-12-07 16:20:33,393 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:20:33,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:20:33,393 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 6 times [2019-12-07 16:20:33,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:20:33,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425699127] [2019-12-07 16:20:33,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:20:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:20:33,397 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:20:33,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:20:33,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 16:20:33,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2019-12-07 16:20:33,428 INFO L87 Difference]: Start difference. First operand 117 states and 158 transitions. cyclomatic complexity: 48 Second operand 15 states. [2019-12-07 16:20:40,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:20:40,963 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2019-12-07 16:20:40,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 16:20:40,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 99 transitions. [2019-12-07 16:20:40,964 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:20:40,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 0 states and 0 transitions. [2019-12-07 16:20:40,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 16:20:40,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 16:20:40,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 16:20:40,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:20:40,964 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:20:40,964 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:20:40,964 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:20:40,964 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-12-07 16:20:40,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:20:40,964 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:20:40,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 16:20:40,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 04:20:40 BoogieIcfgContainer [2019-12-07 16:20:40,968 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 16:20:40,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:20:40,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:20:40,969 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:20:40,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:20:28" (3/4) ... [2019-12-07 16:20:40,972 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:20:40,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:20:40,973 INFO L168 Benchmark]: Toolchain (without parser) took 13204.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 943.6 MB in the beginning and 853.0 MB in the end (delta: 90.6 MB). Peak memory consumption was 306.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:20:40,974 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:20:40,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:20:40,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.61 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. [2019-12-07 16:20:40,975 INFO L168 Benchmark]: Boogie Preprocessor took 19.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:20:40,975 INFO L168 Benchmark]: RCFGBuilder took 224.93 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:20:40,975 INFO L168 Benchmark]: BuchiAutomizer took 12705.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 853.0 MB in the end (delta: 236.2 MB). Peak memory consumption was 324.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:20:40,976 INFO L168 Benchmark]: Witness Printer took 3.51 ms. Allocated memory is still 1.2 GB. Free memory is still 853.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:20:40,977 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 219.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.61 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 19.29 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 224.93 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12705.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 853.0 MB in the end (delta: 236.2 MB). Peak memory consumption was 324.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.51 ms. Allocated memory is still 1.2 GB. Free memory is still 853.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 12.6s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 4.1s. Construction of modules took 7.6s. Büchi inclusion checks took 0.7s. 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, 7.6s 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: 19ms 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...