./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/atol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/atol.i -s /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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 64bit --witnessprinter.graph.data.programhash f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:24:49,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:24:49,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:24:49,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:24:49,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:24:49,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:24:49,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:24:49,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:24:49,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:24:49,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:24:49,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:24:49,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:24:49,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:24:49,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:24:49,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:24:49,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:24:49,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:24:49,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:24:49,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:24:49,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:24:49,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:24:49,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:24:49,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:24:49,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:24:49,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:24:49,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:24:49,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:24:49,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:24:49,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:24:49,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:24:49,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:24:49,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:24:49,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:24:49,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:24:49,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:24:49,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:24:49,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:24:49,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:24:49,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:24:49,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:24:49,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:24:49,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 03:24:49,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:24:49,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:24:49,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:24:49,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:24:49,149 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:24:49,149 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:24:49,149 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:24:49,150 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:24:49,150 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:24:49,150 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:24:49,150 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:24:49,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:24:49,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:24:49,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:24:49,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:24:49,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:24:49,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:24:49,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:24:49,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:24:49,153 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:24:49,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:24:49,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:24:49,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:24:49,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:24:49,154 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:24:49,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:24:49,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:24:49,155 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:24:49,156 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:24:49,157 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_968dd938-872e-4a62-a063-a4105e74c5d7/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 [2019-11-20 03:24:49,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:24:49,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:24:49,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:24:49,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:24:49,351 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:24:49,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/../../sv-benchmarks/c/termination-libowfat/atol.i [2019-11-20 03:24:49,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/data/b125de2a8/47db8188b75040c1ad196e2a68200b5e/FLAG960cf424a [2019-11-20 03:24:49,853 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:24:49,853 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/sv-benchmarks/c/termination-libowfat/atol.i [2019-11-20 03:24:49,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/data/b125de2a8/47db8188b75040c1ad196e2a68200b5e/FLAG960cf424a [2019-11-20 03:24:50,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/data/b125de2a8/47db8188b75040c1ad196e2a68200b5e [2019-11-20 03:24:50,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:24:50,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:24:50,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:24:50,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:24:50,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:24:50,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211462f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50, skipping insertion in model container [2019-11-20 03:24:50,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,231 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:24:50,278 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:24:50,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:24:50,710 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:24:50,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:24:50,804 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:24:50,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50 WrapperNode [2019-11-20 03:24:50,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:24:50,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:24:50,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:24:50,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:24:50,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:24:50,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:24:50,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:24:50,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:24:50,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... [2019-11-20 03:24:50,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:24:50,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:24:50,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:24:50,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:24:50,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:24:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:24:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:24:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:24:51,197 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:24:51,197 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 03:24:51,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:24:51 BoogieIcfgContainer [2019-11-20 03:24:51,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:24:51,199 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:24:51,199 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:24:51,202 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:24:51,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:24:51,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:24:50" (1/3) ... [2019-11-20 03:24:51,204 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f45d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:24:51, skipping insertion in model container [2019-11-20 03:24:51,204 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:24:51,204 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:24:50" (2/3) ... [2019-11-20 03:24:51,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f45d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:24:51, skipping insertion in model container [2019-11-20 03:24:51,205 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:24:51,205 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:24:51" (3/3) ... [2019-11-20 03:24:51,206 INFO L371 chiAutomizerObserver]: Analyzing ICFG atol.i [2019-11-20 03:24:51,245 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:24:51,245 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:24:51,245 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:24:51,245 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:24:51,246 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:24:51,246 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:24:51,246 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:24:51,246 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:24:51,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-20 03:24:51,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-20 03:24:51,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:24:51,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:24:51,280 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 03:24:51,280 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:24:51,280 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:24:51,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-20 03:24:51,282 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-20 03:24:51,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:24:51,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:24:51,282 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 03:24:51,282 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:24:51,288 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atol_#in~s.base, atol_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atol_#res;havoc atol_#t~pre3.base, atol_#t~pre3.offset, atol_#t~mem2, atol_#t~mem4, atol_#t~switch5, atol_#t~pre6.base, atol_#t~pre6.offset, atol_#t~mem10, atol_#t~pre11.base, atol_#t~pre11.offset, atol_#t~mem7, atol_#t~mem8, atol_#t~short9, atol_#t~ite12, atol_~s.base, atol_~s.offset, atol_~v~0, atol_~sign~0;atol_~s.base, atol_~s.offset := atol_#in~s.base, atol_#in~s.offset;atol_~v~0 := 0;atol_~sign~0 := 0; 21#L509-3true [2019-11-20 03:24:51,288 INFO L796 eck$LassoCheckResult]: Loop: 21#L509-3true call atol_#t~mem2 := read~int(atol_~s.base, atol_~s.offset, 1); 17#L509-1true assume !!(32 == atol_#t~mem2);havoc atol_#t~mem2;atol_#t~pre3.base, atol_#t~pre3.offset := atol_~s.base, 1 + atol_~s.offset;atol_~s.base, atol_~s.offset := atol_~s.base, 1 + atol_~s.offset;havoc atol_#t~pre3.base, atol_#t~pre3.offset; 21#L509-3true [2019-11-20 03:24:51,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:24:51,292 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-20 03:24:51,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:24:51,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499247760] [2019-11-20 03:24:51,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:24:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:24:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:24:51,427 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:24:51,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:24:51,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2019-11-20 03:24:51,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:24:51,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875718901] [2019-11-20 03:24:51,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:24:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:24:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:24:51,440 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:24:51,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:24:51,442 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2019-11-20 03:24:51,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:24:51,442 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414145707] [2019-11-20 03:24:51,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:24:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:24:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:24:51,487 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:24:51,715 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-11-20 03:24:51,800 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:24:51,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:24:51,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:24:51,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:24:51,801 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:24:51,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:51,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:24:51,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:24:51,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration1_Lasso [2019-11-20 03:24:51,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:24:51,803 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:24:51,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:51,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:24:52,495 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:24:52,500 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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) [2019-11-20 03:24:52,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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) [2019-11-20 03:24:52,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,537 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 [2019-11-20 03:24:52,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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) [2019-11-20 03:24:52,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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) [2019-11-20 03:24:52,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:24:52,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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) [2019-11-20 03:24:52,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:24:52,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:24:52,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:24:52,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:24:52,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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) [2019-11-20 03:24:52,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,676 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 [2019-11-20 03:24:52,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:24:52,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:24:52,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:24:52,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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) [2019-11-20 03:24:52,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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 [2019-11-20 03:24:52,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/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) [2019-11-20 03:24:52,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:24:52,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:24:52,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:24:52,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:52,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:24:52,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:24:52,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:24:52,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:24:52,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:24:52,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:24:52,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:24:52,989 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:24:53,080 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-20 03:24:53,080 INFO L444 ModelExtractionUtils]: 14 out of 25 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_968dd938-872e-4a62-a063-a4105e74c5d7/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:24:53,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:24:53,102 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:24:53,102 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:24:53,103 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1, ULTIMATE.start_atol_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 - 1*ULTIMATE.start_atol_~s.offset Supporting invariants [] [2019-11-20 03:24:53,117 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 03:24:53,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 03:24:53,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:24:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:24:53,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 03:24:53,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:24:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:24:53,235 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 03:24:53,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:24:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:24:53,270 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:24:53,271 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2019-11-20 03:24:53,363 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 54 states and 76 transitions. Complement of second has 8 states. [2019-11-20 03:24:53,363 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 [2019-11-20 03:24:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:24:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2019-11-20 03:24:53,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 03:24:53,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:24:53,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 03:24:53,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:24:53,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-20 03:24:53,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:24:53,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2019-11-20 03:24:53,379 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:24:53,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2019-11-20 03:24:53,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:24:53,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:24:53,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:24:53,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:24:53,384 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:24:53,385 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:24:53,385 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:24:53,385 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:24:53,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:24:53,385 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:24:53,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 03:24:53,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:24:53 BoogieIcfgContainer [2019-11-20 03:24:53,391 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:24:53,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:24:53,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:24:53,391 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:24:53,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:24:51" (3/4) ... [2019-11-20 03:24:53,395 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:24:53,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:24:53,398 INFO L168 Benchmark]: Toolchain (without parser) took 3193.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:24:53,398 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-11-20 03:24:53,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:24:53,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:24:53,405 INFO L168 Benchmark]: Boogie Preprocessor took 31.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:24:53,405 INFO L168 Benchmark]: RCFGBuilder took 324.25 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:24:53,406 INFO L168 Benchmark]: BuchiAutomizer took 2192.11 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:24:53,406 INFO L168 Benchmark]: Witness Printer took 3.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:24:53,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 601.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.52 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 31.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 324.25 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2192.11 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 20 SDslu, 12 SDs, 0 SdLazy, 15 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital112 mio100 ax100 hnf99 lsp89 ukn90 mio100 lsp46 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 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...