./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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 2d5a995d825785bc5dc95f3825623b1e4ecd07fe ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:48:57,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:57,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:57,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:57,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:57,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:57,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:57,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:57,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:57,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:57,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:57,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:57,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:57,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:57,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:57,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:57,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:57,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:57,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:57,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:57,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:57,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:57,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:57,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:57,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:57,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:57,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:57,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:57,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:57,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:57,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:57,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:57,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:57,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:57,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:57,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:57,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:57,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:57,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:57,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:57,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:57,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:48:57,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:57,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:57,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:57,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:57,140 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:57,140 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:48:57,140 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:48:57,140 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:48:57,140 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:48:57,141 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:48:57,141 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:48:57,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:57,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:48:57,141 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:48:57,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:57,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:48:57,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:57,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:48:57,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:48:57,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:48:57,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:48:57,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:57,143 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:48:57,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:57,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:48:57,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:57,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:57,144 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:48:57,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:57,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:57,145 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:48:57,145 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:48:57,145 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_420d54ef-3e62-491c-b32e-c2457d57ffc4/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 -> 2d5a995d825785bc5dc95f3825623b1e4ecd07fe [2019-11-25 08:48:57,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:57,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:57,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:57,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:57,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:57,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2019-11-25 08:48:57,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/data/51d0a9b5e/c6e1ef89afa54d389c91361a19fe42d0/FLAGa431a0e7f [2019-11-25 08:48:57,833 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:57,838 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2019-11-25 08:48:57,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/data/51d0a9b5e/c6e1ef89afa54d389c91361a19fe42d0/FLAGa431a0e7f [2019-11-25 08:48:58,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/data/51d0a9b5e/c6e1ef89afa54d389c91361a19fe42d0 [2019-11-25 08:48:58,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:58,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:58,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:58,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:58,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:58,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b5a4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58, skipping insertion in model container [2019-11-25 08:48:58,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:58,156 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:58,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:58,602 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:58,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:58,708 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:58,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58 WrapperNode [2019-11-25 08:48:58,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:58,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:58,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:58,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:58,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:58,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:58,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:58,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:58,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... [2019-11-25 08:48:58,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:58,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:58,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:58,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:58,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:48:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:48:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:48:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:48:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:59,222 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:59,223 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-25 08:48:59,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:59 BoogieIcfgContainer [2019-11-25 08:48:59,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:59,224 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:48:59,224 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:48:59,228 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:48:59,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:59,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:48:58" (1/3) ... [2019-11-25 08:48:59,230 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a53acab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:48:59, skipping insertion in model container [2019-11-25 08:48:59,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:59,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:58" (2/3) ... [2019-11-25 08:48:59,230 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a53acab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:48:59, skipping insertion in model container [2019-11-25 08:48:59,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:59,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:59" (3/3) ... [2019-11-25 08:48:59,232 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncmp-alloca-1.i [2019-11-25 08:48:59,272 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:48:59,272 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:48:59,273 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:48:59,273 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:59,273 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:59,273 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:48:59,273 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:59,273 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:48:59,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-25 08:48:59,306 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-25 08:48:59,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:59,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:59,311 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:48:59,312 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:48:59,312 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:48:59,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-25 08:48:59,314 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-25 08:48:59,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:59,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:59,314 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:48:59,314 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:48:59,320 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 13#L532true assume !(main_~length1~0 < 1); 18#L532-2true assume !(main_~length2~0 < 1); 9#L535-1true call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 25#L541-3true [2019-11-25 08:48:59,320 INFO L796 eck$LassoCheckResult]: Loop: 25#L541-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet18, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet18; 22#L541-2true main_#t~post17 := main_~i~0;main_~i~0 := 1 + main_#t~post17;havoc main_#t~post17; 25#L541-3true [2019-11-25 08:48:59,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:59,324 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-25 08:48:59,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:59,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460210748] [2019-11-25 08:48:59,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:59,446 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:59,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:59,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2019-11-25 08:48:59,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:59,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265336619] [2019-11-25 08:48:59,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:59,468 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:59,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2019-11-25 08:48:59,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:59,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076317975] [2019-11-25 08:48:59,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:59,517 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:59,771 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-11-25 08:48:59,859 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:59,860 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:59,860 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:59,860 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:59,860 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:48:59,860 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:59,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:59,861 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:59,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration1_Lasso [2019-11-25 08:48:59,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:59,861 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:59,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:59,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:00,083 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-11-25 08:49:00,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:00,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:00,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:00,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:00,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:00,490 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:00,495 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:00,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:00,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:00,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:00,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:00,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:00,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:00,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:00,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:00,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:00,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:00,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:00,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:00,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:00,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:00,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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) [2019-11-25 08:49:00,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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) [2019-11-25 08:49:00,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:00,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:00,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:00,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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) [2019-11-25 08:49:00,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:00,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:00,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:00,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:00,829 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:00,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:00,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:00,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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) [2019-11-25 08:49:00,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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) [2019-11-25 08:49:00,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:00,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:00,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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) [2019-11-25 08:49:00,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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) [2019-11-25 08:49:00,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:00,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:00,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:00,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:00,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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 [2019-11-25 08:49:00,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:00,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:00,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:00,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:00,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:01,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:01,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:01,018 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:01,153 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-25 08:49:01,153 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:01,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:01,168 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:01,169 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:01,170 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-25 08:49:01,190 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:49:01,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:01,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:49:01,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:01,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:01,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:01,305 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:49:01,306 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states. Second operand 3 states. [2019-11-25 08:49:01,376 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states.. Second operand 3 states. Result 60 states and 91 transitions. Complement of second has 7 states. [2019-11-25 08:49:01,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:01,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:01,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2019-11-25 08:49:01,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:49:01,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:01,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-25 08:49:01,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:01,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-25 08:49:01,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:01,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 91 transitions. [2019-11-25 08:49:01,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:49:01,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 18 states and 25 transitions. [2019-11-25 08:49:01,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-25 08:49:01,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-25 08:49:01,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-25 08:49:01,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:01,395 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:49:01,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-25 08:49:01,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-25 08:49:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-25 08:49:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-25 08:49:01,416 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:49:01,416 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:49:01,417 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:49:01,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-25 08:49:01,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:49:01,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:01,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:01,418 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:01,418 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:49:01,419 INFO L794 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 166#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 167#L532 assume !(main_~length1~0 < 1); 168#L532-2 assume !(main_~length2~0 < 1); 162#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 163#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 158#L541-4 main_~i~1 := 0; 159#L546-3 [2019-11-25 08:49:01,419 INFO L796 eck$LassoCheckResult]: Loop: 159#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet20, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet20; 164#L546-2 main_#t~post19 := main_~i~1;main_~i~1 := 1 + main_#t~post19;havoc main_#t~post19; 159#L546-3 [2019-11-25 08:49:01,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:01,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2019-11-25 08:49:01,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:01,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063134639] [2019-11-25 08:49:01,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:01,458 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:01,461 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2019-11-25 08:49:01,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:01,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472445898] [2019-11-25 08:49:01,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:01,474 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:01,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:01,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2019-11-25 08:49:01,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:01,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101964489] [2019-11-25 08:49:01,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:01,533 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:01,772 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-25 08:49:01,841 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:01,841 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:01,841 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:01,842 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:01,842 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:01,842 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:01,842 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:01,842 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:01,842 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration2_Lasso [2019-11-25 08:49:01,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:01,842 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:01,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:01,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:01,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:01,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:01,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:01,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:01,998 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-25 08:49:02,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:02,343 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:02,343 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,363 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 [2019-11-25 08:49:02,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:02,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:02,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:02,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:02,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:02,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:02,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:02,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:02,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:02,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:02,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:02,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:02,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:02,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:02,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:02,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:02,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:02,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:02,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:02,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:02,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:02,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:02,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:02,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,563 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:02,585 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-25 08:49:02,585 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:02,590 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:02,593 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:02,593 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:02,593 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2019-11-25 08:49:02,609 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:49:02,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:02,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:49:02,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:02,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:02,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:02,659 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:49:02,659 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-25 08:49:02,688 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 27 states and 40 transitions. Complement of second has 6 states. [2019-11-25 08:49:02,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:02,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-11-25 08:49:02,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-25 08:49:02,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:02,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-25 08:49:02,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:02,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-25 08:49:02,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:02,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2019-11-25 08:49:02,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:49:02,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 27 transitions. [2019-11-25 08:49:02,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-25 08:49:02,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:49:02,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2019-11-25 08:49:02,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:02,696 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-25 08:49:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2019-11-25 08:49:02,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-25 08:49:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:49:02,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2019-11-25 08:49:02,701 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-25 08:49:02,701 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-25 08:49:02,701 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:49:02,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2019-11-25 08:49:02,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:49:02,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:02,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:02,704 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:02,704 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:02,704 INFO L794 eck$LassoCheckResult]: Stem: 290#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 286#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 287#L532 assume !(main_~length1~0 < 1); 288#L532-2 assume !(main_~length2~0 < 1); 281#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 282#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 277#L541-4 main_~i~1 := 0; 278#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 285#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet21;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 289#L517 assume !(0 == cstrncmp_~n); 279#L519-5 [2019-11-25 08:49:02,705 INFO L796 eck$LassoCheckResult]: Loop: 279#L519-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 280#L519-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 275#L519-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~short5;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~mem4;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 276#L520 assume cstrncmp_#t~short7; 291#L520-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 279#L519-5 [2019-11-25 08:49:02,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:02,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2019-11-25 08:49:02,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:02,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269457279] [2019-11-25 08:49:02,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:02,773 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:02,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:02,775 INFO L82 PathProgramCache]: Analyzing trace with hash 79307716, now seen corresponding path program 1 times [2019-11-25 08:49:02,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:02,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321073361] [2019-11-25 08:49:02,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:02,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321073361] [2019-11-25 08:49:02,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:02,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:49:02,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108329242] [2019-11-25 08:49:02,835 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:49:02,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:02,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:49:02,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:49:02,839 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-25 08:49:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:02,852 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2019-11-25 08:49:02,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:49:02,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2019-11-25 08:49:02,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:49:02,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 26 transitions. [2019-11-25 08:49:02,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-25 08:49:02,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:49:02,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2019-11-25 08:49:02,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:02,855 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-25 08:49:02,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2019-11-25 08:49:02,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-25 08:49:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:49:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-25 08:49:02,857 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-25 08:49:02,857 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-25 08:49:02,857 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:49:02,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-11-25 08:49:02,858 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:49:02,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:02,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:02,858 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:02,858 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:02,859 INFO L794 eck$LassoCheckResult]: Stem: 335#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 331#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 332#L532 assume !(main_~length1~0 < 1); 333#L532-2 assume !(main_~length2~0 < 1); 326#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 327#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 322#L541-4 main_~i~1 := 0; 323#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 330#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet21;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 334#L517 assume !(0 == cstrncmp_~n); 324#L519-5 [2019-11-25 08:49:02,859 INFO L796 eck$LassoCheckResult]: Loop: 324#L519-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 325#L519-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 320#L519-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~short5;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~mem4;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 321#L520 assume !cstrncmp_#t~short7;call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~short7 := 0 == cstrncmp_#t~mem6; 336#L520-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 324#L519-5 [2019-11-25 08:49:02,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:02,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 2 times [2019-11-25 08:49:02,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:02,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529784337] [2019-11-25 08:49:02,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:02,906 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:02,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:02,906 INFO L82 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 1 times [2019-11-25 08:49:02,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:02,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379188003] [2019-11-25 08:49:02,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:02,922 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:02,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:02,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1988601847, now seen corresponding path program 1 times [2019-11-25 08:49:02,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:02,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223278771] [2019-11-25 08:49:02,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:03,111 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223278771] [2019-11-25 08:49:03,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:03,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:03,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840791057] [2019-11-25 08:49:03,296 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2019-11-25 08:49:03,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:03,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:49:03,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:49:03,347 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand 7 states. [2019-11-25 08:49:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:03,434 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2019-11-25 08:49:03,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:49:03,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2019-11-25 08:49:03,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:49:03,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2019-11-25 08:49:03,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-25 08:49:03,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:49:03,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2019-11-25 08:49:03,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:03,437 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-11-25 08:49:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2019-11-25 08:49:03,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-25 08:49:03,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:49:03,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2019-11-25 08:49:03,439 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2019-11-25 08:49:03,439 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2019-11-25 08:49:03,439 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:49:03,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2019-11-25 08:49:03,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:49:03,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:03,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:03,443 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:03,443 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:03,445 INFO L794 eck$LassoCheckResult]: Stem: 401#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 397#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 398#L532 assume !(main_~length1~0 < 1); 399#L532-2 assume !(main_~length2~0 < 1); 392#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 393#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet18, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet18; 403#L541-2 main_#t~post17 := main_~i~0;main_~i~0 := 1 + main_#t~post17;havoc main_#t~post17; 404#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 388#L541-4 main_~i~1 := 0; 389#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 396#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet21;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 400#L517 assume !(0 == cstrncmp_~n); 390#L519-5 [2019-11-25 08:49:03,445 INFO L796 eck$LassoCheckResult]: Loop: 390#L519-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 391#L519-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 386#L519-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~short5;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~mem4;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 387#L520 assume !cstrncmp_#t~short7;call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~short7 := 0 == cstrncmp_#t~mem6; 402#L520-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 390#L519-5 [2019-11-25 08:49:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:03,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2019-11-25 08:49:03,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:03,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652108960] [2019-11-25 08:49:03,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:03,491 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:03,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:03,495 INFO L82 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 2 times [2019-11-25 08:49:03,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:03,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033595930] [2019-11-25 08:49:03,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:03,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:03,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:03,516 INFO L82 PathProgramCache]: Analyzing trace with hash -350531861, now seen corresponding path program 1 times [2019-11-25 08:49:03,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:03,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029386596] [2019-11-25 08:49:03,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:49:03,684 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029386596] [2019-11-25 08:49:03,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:03,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-25 08:49:03,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847958462] [2019-11-25 08:49:03,858 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2019-11-25 08:49:03,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:03,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 08:49:03,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:49:03,906 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand 10 states. [2019-11-25 08:49:04,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:04,116 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2019-11-25 08:49:04,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 08:49:04,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2019-11-25 08:49:04,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:49:04,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 24 transitions. [2019-11-25 08:49:04,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-25 08:49:04,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:49:04,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2019-11-25 08:49:04,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:04,119 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-11-25 08:49:04,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2019-11-25 08:49:04,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-25 08:49:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:49:04,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2019-11-25 08:49:04,122 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2019-11-25 08:49:04,122 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2019-11-25 08:49:04,122 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:49:04,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2019-11-25 08:49:04,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:49:04,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:04,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:04,124 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:04,124 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:04,124 INFO L794 eck$LassoCheckResult]: Stem: 481#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 477#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 478#L532 assume !(main_~length1~0 < 1); 479#L532-2 assume !(main_~length2~0 < 1); 472#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 473#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet18, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet18; 483#L541-2 main_#t~post17 := main_~i~0;main_~i~0 := 1 + main_#t~post17;havoc main_#t~post17; 484#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 468#L541-4 main_~i~1 := 0; 469#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet20, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet20; 474#L546-2 main_#t~post19 := main_~i~1;main_~i~1 := 1 + main_#t~post19;havoc main_#t~post19; 475#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 476#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet21;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 480#L517 assume !(0 == cstrncmp_~n); 470#L519-5 [2019-11-25 08:49:04,125 INFO L796 eck$LassoCheckResult]: Loop: 470#L519-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 471#L519-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 466#L519-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~short5;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~mem4;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 467#L520 assume !cstrncmp_#t~short7;call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~short7 := 0 == cstrncmp_#t~mem6; 482#L520-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 470#L519-5 [2019-11-25 08:49:04,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:04,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2019-11-25 08:49:04,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:04,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431998110] [2019-11-25 08:49:04,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:04,160 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:04,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:04,164 INFO L82 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 3 times [2019-11-25 08:49:04,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:04,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290078317] [2019-11-25 08:49:04,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:04,183 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:04,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:04,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1018233459, now seen corresponding path program 1 times [2019-11-25 08:49:04,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:04,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686654966] [2019-11-25 08:49:04,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:04,252 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:04,409 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2019-11-25 08:49:04,942 WARN L192 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 118 [2019-11-25 08:49:05,144 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-25 08:49:05,146 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:05,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:05,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:05,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:05,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:05,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:05,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:05,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:05,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration6_Lasso [2019-11-25 08:49:05,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:05,147 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:05,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,581 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2019-11-25 08:49:05,733 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-11-25 08:49:05,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:05,978 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-11-25 08:49:06,441 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:06,441 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,473 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:06,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:06,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:06,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:06,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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 [2019-11-25 08:49:06,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:06,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:06,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:06,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:06,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:06,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:06,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:06,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:06,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:06,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:06,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:06,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:06,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:06,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:06,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:06,658 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:06,796 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-25 08:49:06,796 INFO L444 ModelExtractionUtils]: 15 out of 52 variables were initially zero. Simplification set additionally 34 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_420d54ef-3e62-491c-b32e-c2457d57ffc4/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) [2019-11-25 08:49:06,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:06,803 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:06,804 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:06,804 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2, ULTIMATE.start_cstrncmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 - 1*ULTIMATE.start_cstrncmp_~s1.offset Supporting invariants [] [2019-11-25 08:49:06,939 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-11-25 08:49:06,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:49:06,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:07,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:49:07,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:07,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:49:07,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:07,042 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-25 08:49:07,042 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand 5 states. [2019-11-25 08:49:07,097 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand 5 states. Result 24 states and 29 transitions. Complement of second has 7 states. [2019-11-25 08:49:07,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:49:07,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-25 08:49:07,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 5 letters. [2019-11-25 08:49:07,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:07,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 19 letters. Loop has 5 letters. [2019-11-25 08:49:07,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:07,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 10 letters. [2019-11-25 08:49:07,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:07,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-11-25 08:49:07,099 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:07,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-25 08:49:07,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:49:07,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:49:07,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:49:07,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:07,100 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:07,100 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:07,100 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:07,100 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:49:07,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:07,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:07,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:49:07,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:49:07 BoogieIcfgContainer [2019-11-25 08:49:07,106 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:49:07,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:07,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:07,107 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:07,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:59" (3/4) ... [2019-11-25 08:49:07,113 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:49:07,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:07,118 INFO L168 Benchmark]: Toolchain (without parser) took 9028.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.9 MB). Free memory was 939.4 MB in the beginning and 1.3 GB in the end (delta: -334.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,119 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,120 INFO L168 Benchmark]: Boogie Preprocessor took 38.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,122 INFO L168 Benchmark]: RCFGBuilder took 420.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,125 INFO L168 Benchmark]: BuchiAutomizer took 7881.78 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -191.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,125 INFO L168 Benchmark]: Witness Printer took 7.11 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 623.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.21 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 420.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7881.78 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -191.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 7.11 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + length2 and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * s1 and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 6.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 117 SDtfs, 191 SDslu, 191 SDs, 0 SdLazy, 124 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax110 hnf98 lsp82 ukn74 mio100 lsp50 div100 bol100 ite100 ukn100 eq176 hnf90 smp99 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...