./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/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 88fe3ea55db85ac6b3c7cedd013ffb32927ae976 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:52:55,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:52:55,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:52:55,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:52:55,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:52:55,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:52:55,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:52:55,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:52:55,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:52:55,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:52:55,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:52:55,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:52:55,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:52:55,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:52:55,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:52:55,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:52:55,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:52:55,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:52:55,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:52:55,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:52:55,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:52:55,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:52:55,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:52:55,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:52:55,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:52:55,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:52:55,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:52:55,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:52:55,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:52:55,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:52:55,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:52:55,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:52:55,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:52:55,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:52:55,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:52:55,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:52:55,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:52:55,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:52:55,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:52:55,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:52:55,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:52:55,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:52:55,130 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:52:55,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:52:55,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:52:55,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:52:55,131 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:52:55,131 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:52:55,132 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:52:55,132 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:52:55,132 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:52:55,132 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:52:55,132 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:52:55,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:52:55,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:52:55,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:52:55,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:52:55,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:52:55,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:52:55,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:52:55,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:52:55,134 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:52:55,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:52:55,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:52:55,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:52:55,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:52:55,134 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:52:55,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:52:55,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:52:55,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:52:55,135 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:52:55,136 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:52:55,136 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_1d72c831-e51a-4c5e-94cd-b05887b06fc7/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 -> 88fe3ea55db85ac6b3c7cedd013ffb32927ae976 [2019-12-07 17:52:55,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:52:55,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:52:55,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:52:55,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:52:55,258 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:52:55,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i [2019-12-07 17:52:55,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/data/6ccf78f07/cd46c1eafe2443198ca1a465b7f2eba8/FLAGd4ed6dcb2 [2019-12-07 17:52:55,694 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:52:55,695 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i [2019-12-07 17:52:55,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/data/6ccf78f07/cd46c1eafe2443198ca1a465b7f2eba8/FLAGd4ed6dcb2 [2019-12-07 17:52:56,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/data/6ccf78f07/cd46c1eafe2443198ca1a465b7f2eba8 [2019-12-07 17:52:56,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:52:56,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:52:56,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:52:56,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:52:56,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:52:56,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8b58c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56, skipping insertion in model container [2019-12-07 17:52:56,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:52:56,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:52:56,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:52:56,330 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:52:56,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:52:56,409 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:52:56,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56 WrapperNode [2019-12-07 17:52:56,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:52:56,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:52:56,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:52:56,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:52:56,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:52:56,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:52:56,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:52:56,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:52:56,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... [2019-12-07 17:52:56,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:52:56,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:52:56,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:52:56,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:52:56,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:52:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:52:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:52:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:52:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:52:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:52:56,648 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:52:56,648 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:52:56,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:52:56 BoogieIcfgContainer [2019-12-07 17:52:56,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:52:56,649 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:52:56,649 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:52:56,652 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:52:56,652 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:52:56,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:52:56" (1/3) ... [2019-12-07 17:52:56,653 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78b769b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:52:56, skipping insertion in model container [2019-12-07 17:52:56,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:52:56,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:52:56" (2/3) ... [2019-12-07 17:52:56,653 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78b769b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:52:56, skipping insertion in model container [2019-12-07 17:52:56,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:52:56,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:52:56" (3/3) ... [2019-12-07 17:52:56,654 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcmp_diffterm_alloca.i [2019-12-07 17:52:56,682 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:52:56,682 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:52:56,682 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:52:56,682 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:52:56,682 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:52:56,682 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:52:56,682 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:52:56,682 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:52:56,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 17:52:56,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:52:56,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:52:56,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:52:56,709 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:52:56,709 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:52:56,709 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:52:56,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 17:52:56,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:52:56,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:52:56,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:52:56,710 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:52:56,711 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:52:56,717 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, 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~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 17#L378true assume !(main_~length1~0 < 1); 5#L378-2true assume !(main_~length2~0 < 1); 14#L381-1true call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 8#L367-5true [2019-12-07 17:52:56,717 INFO L796 eck$LassoCheckResult]: Loop: 8#L367-5true call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 49 != cstrcmp_#t~mem205; 4#L367-1true assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; 6#L367-3true assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~mem207;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 8#L367-5true [2019-12-07 17:52:56,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:52:56,721 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-12-07 17:52:56,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:52:56,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259315964] [2019-12-07 17:52:56,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:52:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:52:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:52:56,826 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:52:56,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:52:56,826 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2019-12-07 17:52:56,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:52:56,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601507735] [2019-12-07 17:52:56,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:52:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:52:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:52:56,842 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:52:56,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:52:56,844 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2019-12-07 17:52:56,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:52:56,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765138537] [2019-12-07 17:52:56,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:52:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:52:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:52:56,891 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:52:57,199 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2019-12-07 17:52:57,275 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:52:57,275 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:52:57,276 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:52:57,276 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:52:57,276 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:52:57,276 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:57,276 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:52:57,276 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:52:57,276 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp_diffterm_alloca.i_Iteration1_Lasso [2019-12-07 17:52:57,276 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:52:57,277 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:52:57,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,558 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-07 17:52:57,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:52:57,972 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:52:57,975 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:57,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:57,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:57,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:57,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:57,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:57,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:57,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:57,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:57,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:57,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:57,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:57,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:57,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:57,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:57,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:57,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:57,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:57,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:57,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:57,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:57,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:57,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:57,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:57,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:57,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:57,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:52:58,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:52:58,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,148 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:52:58,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,149 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:52:58,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:52:58,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:52:58,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:52:58,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:52:58,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:52:58,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:52:58,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:52:58,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:52:58,237 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:52:58,292 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-12-07 17:52:58,292 INFO L444 ModelExtractionUtils]: 25 out of 46 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d72c831-e51a-4c5e-94cd-b05887b06fc7/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:52:58,296 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:52:58,301 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:52:58,301 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:52:58,302 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s2.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1) = -1*ULTIMATE.start_cstrcmp_~s2.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1 Supporting invariants [] [2019-12-07 17:52:58,348 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2019-12-07 17:52:58,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:52:58,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:52:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:52:58,394 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 24 conjunts are in the unsatisfiable core [2019-12-07 17:52:58,396 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:52:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:52:58,408 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:52:58,408 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:52:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:52:58,434 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:52:58,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-12-07 17:52:58,496 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 29 states and 38 transitions. Complement of second has 6 states. [2019-12-07 17:52:58,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:52:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:52:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-12-07 17:52:58,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 17:52:58,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:52:58,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 8 letters. Loop has 3 letters. [2019-12-07 17:52:58,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:52:58,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 6 letters. [2019-12-07 17:52:58,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:52:58,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2019-12-07 17:52:58,504 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:52:58,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-12-07 17:52:58,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:52:58,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:52:58,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:52:58,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:52:58,507 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:52:58,507 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:52:58,507 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:52:58,507 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:52:58,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:52:58,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:52:58,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:52:58,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:52:58 BoogieIcfgContainer [2019-12-07 17:52:58,512 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:52:58,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:52:58,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:52:58,513 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:52:58,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:52:56" (3/4) ... [2019-12-07 17:52:58,515 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:52:58,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:52:58,517 INFO L168 Benchmark]: Toolchain (without parser) took 2434.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 940.9 MB in the beginning and 870.5 MB in the end (delta: 70.3 MB). Peak memory consumption was 173.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:52:58,517 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:52:58,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:52:58,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:52:58,519 INFO L168 Benchmark]: Boogie Preprocessor took 20.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:52:58,519 INFO L168 Benchmark]: RCFGBuilder took 184.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:52:58,520 INFO L168 Benchmark]: BuchiAutomizer took 1862.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 870.5 MB in the end (delta: 183.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:52:58,520 INFO L168 Benchmark]: Witness Printer took 3.08 ms. Allocated memory is still 1.1 GB. Free memory is still 870.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:52:58,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 184.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1862.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 870.5 MB in the end (delta: 183.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.08 ms. Allocated memory is still 1.1 GB. Free memory is still 870.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 -1 * s2 + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 12 SDtfs, 21 SDslu, 5 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax100 hnf99 lsp97 ukn85 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms 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...