./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 70b7927a0492d6be5caba90d696a196e2b22ba2a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:55:10,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:55:10,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:55:10,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:55:10,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:55:10,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:55:10,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:55:10,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:55:10,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:55:10,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:55:10,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:55:10,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:55:10,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:55:10,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:55:10,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:55:10,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:55:10,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:55:10,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:55:10,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:55:10,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:55:10,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:55:10,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:55:10,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:55:10,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:55:10,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:55:10,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:55:10,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:55:10,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:55:10,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:55:10,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:55:10,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:55:10,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:55:10,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:55:10,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:55:10,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:55:10,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:55:10,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:55:10,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:55:10,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:55:10,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:55:10,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:55:10,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 19:55:10,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:55:10,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:55:10,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:55:10,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:55:10,154 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:55:10,154 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 19:55:10,154 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 19:55:10,154 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 19:55:10,155 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 19:55:10,155 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 19:55:10,156 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 19:55:10,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:55:10,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:55:10,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:55:10,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:55:10,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 19:55:10,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 19:55:10,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 19:55:10,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:55:10,160 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 19:55:10,160 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:55:10,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 19:55:10,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:55:10,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:55:10,161 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 19:55:10,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:55:10,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:55:10,162 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 19:55:10,164 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 19:55:10,164 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2019-11-19 19:55:10,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:55:10,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:55:10,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:55:10,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:55:10,519 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:55:10,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2019-11-19 19:55:10,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e2c18d1b/b253f4721ee0426d916564408cc51098/FLAG610797fe1 [2019-11-19 19:55:11,066 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:55:11,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2019-11-19 19:55:11,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e2c18d1b/b253f4721ee0426d916564408cc51098/FLAG610797fe1 [2019-11-19 19:55:11,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e2c18d1b/b253f4721ee0426d916564408cc51098 [2019-11-19 19:55:11,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:55:11,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:55:11,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:55:11,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:55:11,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:55:11,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c913de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11, skipping insertion in model container [2019-11-19 19:55:11,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,462 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:55:11,484 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:55:11,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:55:11,713 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:55:11,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:55:11,753 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:55:11,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11 WrapperNode [2019-11-19 19:55:11,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:55:11,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:55:11,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:55:11,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:55:11,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:55:11,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:55:11,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:55:11,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:55:11,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... [2019-11-19 19:55:11,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:55:11,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:55:11,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:55:11,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:55:11,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:55:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:55:12,147 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:55:12,148 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 19:55:12,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:12 BoogieIcfgContainer [2019-11-19 19:55:12,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:55:12,150 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 19:55:12,150 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 19:55:12,158 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 19:55:12,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:55:12,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:55:11" (1/3) ... [2019-11-19 19:55:12,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45af8242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:55:12, skipping insertion in model container [2019-11-19 19:55:12,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:55:12,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:11" (2/3) ... [2019-11-19 19:55:12,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45af8242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:55:12, skipping insertion in model container [2019-11-19 19:55:12,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:55:12,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:12" (3/3) ... [2019-11-19 19:55:12,177 INFO L371 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2019-11-19 19:55:12,283 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 19:55:12,284 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 19:55:12,284 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 19:55:12,284 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:55:12,284 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:55:12,284 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 19:55:12,285 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:55:12,285 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 19:55:12,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 19:55:12,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 19:55:12,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:55:12,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:55:12,335 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 19:55:12,335 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 19:55:12,336 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 19:55:12,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 19:55:12,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 19:55:12,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:55:12,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:55:12,339 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 19:55:12,340 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 19:55:12,350 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L22true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 7#L23true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 9#L24true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 11#L25true assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); 3#L26true assume main_~a~0 == main_~b~0; 12#L27-2true [2019-11-19 19:55:12,351 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1; 12#L27-2true [2019-11-19 19:55:12,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:12,358 INFO L82 PathProgramCache]: Analyzing trace with hash 922017710, now seen corresponding path program 1 times [2019-11-19 19:55:12,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:12,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521661793] [2019-11-19 19:55:12,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:12,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:12,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:12,484 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2019-11-19 19:55:12,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:12,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264383866] [2019-11-19 19:55:12,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:12,500 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:12,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:12,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1482222029, now seen corresponding path program 1 times [2019-11-19 19:55:12,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:12,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134313364] [2019-11-19 19:55:12,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:12,535 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:12,601 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:55:12,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:55:12,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:55:12,603 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:55:12,603 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 19:55:12,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:12,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:55:12,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:55:12,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2019-11-19 19:55:12,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:55:12,605 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:55:12,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:12,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:12,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:12,790 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:55:12,791 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:12,799 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:12,800 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:12,809 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:12,809 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:12,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:12,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 19:55:12,830 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:12,831 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:12,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:12,855 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:12,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 19:55:12,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 19:55:13,302 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:13,302 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=4, ULTIMATE.start_main_~a~0=-3, ULTIMATE.start_main_~b~0=-3, ULTIMATE.start_main_~x~0=-5}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~b~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=6, ULTIMATE.start_main_~a~0=3, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-7}] Lambdas: [1, 15, 1] Nus: [1, 0] [2019-11-19 19:55:13,422 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:55:13,423 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:55:13,423 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:55:13,423 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:55:13,423 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 19:55:13,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:13,423 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:55:13,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:55:13,424 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2019-11-19 19:55:13,424 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:55:13,424 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:55:13,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,651 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:55:13,652 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:13,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:13,666 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:13,672 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:13,672 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:13,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:13,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 19:55:13,689 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:13,689 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:13,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:13,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 19:55:13,718 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:13,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:13,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:13,727 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 19:55:13,732 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:13,733 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:13,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:13,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 19:55:13,752 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:13,752 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:13,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:13,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 19:55:13,765 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 19:55:13,765 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:13,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 19:55:13,773 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:13,848 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 19:55:13,849 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 19:55:13,875 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 19:55:13,877 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:55:13,878 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:55:13,878 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:55:13,878 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:55:13,878 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:55:13,879 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:13,879 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:55:13,879 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:55:13,879 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2019-11-19 19:55:13,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:55:13,880 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:55:13,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:13,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:14,083 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:55:14,089 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,096 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 [2019-11-19 19:55:14,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:14,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:14,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,130 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 [2019-11-19 19:55:14,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:14,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:14,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,153 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 [2019-11-19 19:55:14,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,156 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:55:14,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,191 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-19 19:55:14,192 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 19:55:14,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:14,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:55:14,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:14,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:14,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:14,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,272 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 [2019-11-19 19:55:14,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:14,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:14,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:14,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:14,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:55:14,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:14,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:14,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:14,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,312 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 [2019-11-19 19:55:14,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:14,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:14,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:14,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:55:14,344 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 [2019-11-19 19:55:14,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:14,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:14,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:14,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 19:55:14,353 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,361 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 [2019-11-19 19:55:14,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,366 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:14,372 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 19:55:14,373 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,390 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 [2019-11-19 19:55:14,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,393 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:14,395 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 19:55:14,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,408 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 [2019-11-19 19:55:14,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,413 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:55:14,413 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,443 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2019-11-19 19:55:14,443 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-19 19:55:14,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,517 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 [2019-11-19 19:55:14,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,521 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:14,526 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 19:55:14,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:55:14,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,546 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:14,547 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 19:55:14,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,558 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 [2019-11-19 19:55:14,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,562 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:14,564 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 19:55:14,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,581 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 [2019-11-19 19:55:14,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,584 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:14,588 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 19:55:14,588 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,604 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 [2019-11-19 19:55:14,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,611 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:14,612 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 19:55:14,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 19:55:14,618 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,624 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 [2019-11-19 19:55:14,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,627 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 19:55:14,632 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 19:55:14,632 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,649 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 [2019-11-19 19:55:14,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,653 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 19:55:14,655 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 19:55:14,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:14,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,688 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 [2019-11-19 19:55:14,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,691 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:55:14,691 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,728 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2019-11-19 19:55:14,728 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2019-11-19 19:55:14,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,816 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 [2019-11-19 19:55:14,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,819 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 19:55:14,820 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 19:55:14,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,831 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 [2019-11-19 19:55:14,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,834 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 19:55:14,835 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 19:55:14,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:55:14,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 19:55:14,848 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 19:55:14,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,858 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 [2019-11-19 19:55:14,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,861 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 19:55:14,865 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 19:55:14,865 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,881 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 [2019-11-19 19:55:14,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,884 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 19:55:14,885 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 19:55:14,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 19:55:14,890 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,896 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 [2019-11-19 19:55:14,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,899 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 19:55:14,904 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 19:55:14,905 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:14,920 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 [2019-11-19 19:55:14,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:14,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:14,922 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 19:55:14,924 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 19:55:14,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:14,943 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 [2019-11-19 19:55:14,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:14,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:14,946 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:55:14,946 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 19:55:14,978 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2019-11-19 19:55:14,978 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2019-11-19 19:55:15,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,086 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 [2019-11-19 19:55:15,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:15,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:15,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:15,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:15,088 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 19:55:15,090 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 19:55:15,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,103 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 [2019-11-19 19:55:15,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:15,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:15,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:15,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:15,107 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 19:55:15,107 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 19:55:15,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,118 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 [2019-11-19 19:55:15,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:15,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:15,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:15,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:15,121 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 19:55:15,122 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 19:55:15,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,132 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 [2019-11-19 19:55:15,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:15,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:15,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:15,135 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,143 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 19:55:15,143 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-19 19:55:15,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,161 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 [2019-11-19 19:55:15,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:15,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:15,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:15,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:15,163 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 19:55:15,165 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 19:55:15,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 19:55:15,169 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,173 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 [2019-11-19 19:55:15,175 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 19:55:15,175 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 19:55:15,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:15,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:15,176 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:15,178 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 19:55:15,179 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,191 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,194 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 19:55:15,195 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 19:55:15,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:15,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:15,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:15,195 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 19:55:15,196 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 19:55:15,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:15,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:55:15,211 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 19:55:15,211 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 19:55:15,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:15,211 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:55:15,212 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,231 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2019-11-19 19:55:15,231 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-19 19:55:15,451 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:55:15,759 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-11-19 19:55:15,760 INFO L444 ModelExtractionUtils]: 13 out of 42 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:15,774 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:15,787 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2019-11-19 19:55:15,788 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:55:15,789 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 2*ULTIMATE.start_main_~x~0 + 1 f1 = 3*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [-1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0, 1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0] [2019-11-19 19:55:15,810 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2019-11-19 19:55:15,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:15,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 19:55:15,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:55:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:15,986 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 19:55:15,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:55:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:55:16,013 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-19 19:55:16,015 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2019-11-19 19:55:16,182 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2019-11-19 19:55:16,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 19:55:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-19 19:55:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-11-19 19:55:16,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-19 19:55:16,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:16,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-19 19:55:16,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:16,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-19 19:55:16,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:16,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2019-11-19 19:55:16,199 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:55:16,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-19 19:55:16,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 19:55:16,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 19:55:16,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 19:55:16,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:55:16,206 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:55:16,206 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:55:16,206 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:55:16,206 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 19:55:16,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:55:16,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:55:16,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 19:55:16,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:55:16 BoogieIcfgContainer [2019-11-19 19:55:16,215 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 19:55:16,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:55:16,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:55:16,216 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:55:16,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:12" (3/4) ... [2019-11-19 19:55:16,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 19:55:16,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:55:16,227 INFO L168 Benchmark]: Toolchain (without parser) took 4781.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 960.4 MB in the beginning and 991.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:16,228 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:55:16,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.76 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:16,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -126.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:16,236 INFO L168 Benchmark]: Boogie Preprocessor took 34.49 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. [2019-11-19 19:55:16,237 INFO L168 Benchmark]: RCFGBuilder took 240.72 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:16,238 INFO L168 Benchmark]: BuchiAutomizer took 4065.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 991.1 MB in the end (delta: 70.5 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:16,243 INFO L168 Benchmark]: Witness Printer took 8.06 ms. Allocated memory is still 1.2 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:55:16,251 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.76 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -126.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.49 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. * RCFGBuilder took 240.72 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4065.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 991.1 MB in the end (delta: 70.5 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. * Witness Printer took 8.06 ms. Allocated memory is still 1.2 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 2-phase ranking function (if 2 * x + 1 > 0 then 1 else 0), (if 2 * x + 1 > 0 then 2 * x + 1 else 3 * y + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 17 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax129 hnf96 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp100 dnf157 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 142ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...