./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:28:47,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:28:47,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:28:47,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:28:47,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:28:47,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:28:47,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:28:47,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:28:47,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:28:47,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:28:47,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:28:47,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:28:47,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:28:47,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:28:47,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:28:47,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:28:47,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:28:47,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:28:47,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:28:47,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:28:47,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:28:47,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:28:47,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:28:47,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:28:47,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:28:47,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:28:47,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:28:47,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:28:47,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:28:47,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:28:47,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:28:47,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:28:47,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:28:47,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:28:47,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:28:47,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:28:47,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:28:47,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:28:47,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:28:47,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:28:47,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:28:47,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:28:47,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:28:47,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:28:47,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:28:47,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:28:47,814 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:28:47,815 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:28:47,815 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:28:47,816 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:28:47,816 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:28:47,816 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:28:47,817 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:28:47,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:28:47,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:28:47,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:28:47,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:28:47,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:28:47,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:28:47,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:28:47,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:28:47,820 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:28:47,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:28:47,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:28:47,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:28:47,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:28:47,822 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:28:47,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:28:47,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:28:47,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:28:47,823 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:28:47,824 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:28:47,824 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 -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2020-07-29 01:28:48,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:28:48,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:28:48,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:28:48,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:28:48,136 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:28:48,136 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-07-29 01:28:48,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9512cd25d/f8971a82f66647e99de20ed9dbd011b9/FLAG714c13010 [2020-07-29 01:28:48,662 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:28:48,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-07-29 01:28:48,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9512cd25d/f8971a82f66647e99de20ed9dbd011b9/FLAG714c13010 [2020-07-29 01:28:49,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9512cd25d/f8971a82f66647e99de20ed9dbd011b9 [2020-07-29 01:28:49,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:28:49,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:28:49,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:28:49,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:28:49,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:28:49,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797f2d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49, skipping insertion in model container [2020-07-29 01:28:49,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:28:49,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:28:49,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:28:49,332 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:28:49,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:28:49,370 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:28:49,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49 WrapperNode [2020-07-29 01:28:49,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:28:49,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:28:49,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:28:49,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:28:49,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:28:49,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:28:49,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:28:49,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:28:49,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (1/1) ... [2020-07-29 01:28:49,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:28:49,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:28:49,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:28:49,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:28:49,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (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 [2020-07-29 01:28:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:28:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:28:49,836 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:28:49,837 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:28:49,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:49 BoogieIcfgContainer [2020-07-29 01:28:49,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:28:49,841 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:28:49,841 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:28:49,844 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:28:49,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:49,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:28:49" (1/3) ... [2020-07-29 01:28:49,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f65ca7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:28:49, skipping insertion in model container [2020-07-29 01:28:49,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:49,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:49" (2/3) ... [2020-07-29 01:28:49,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f65ca7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:28:49, skipping insertion in model container [2020-07-29 01:28:49,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:49,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:49" (3/3) ... [2020-07-29 01:28:49,849 INFO L371 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-07-29 01:28:49,903 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:28:49,904 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:28:49,904 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:28:49,904 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:28:49,904 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:28:49,904 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:28:49,905 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:28:49,905 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:28:49,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-29 01:28:49,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:49,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:49,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:49,951 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:28:49,952 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:28:49,952 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:28:49,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-29 01:28:49,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:49,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:49,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:49,955 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:28:49,955 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:28:49,964 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2020-07-29 01:28:49,964 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-07-29 01:28:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:49,972 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 01:28:49,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:49,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538426866] [2020-07-29 01:28:49,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:50,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:50,069 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:50,087 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:50,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:50,089 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-07-29 01:28:50,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:50,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150531690] [2020-07-29 01:28:50,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:50,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:50,114 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:50,116 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:50,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:50,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-07-29 01:28:50,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:50,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280312721] [2020-07-29 01:28:50,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:50,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:50,152 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:50,154 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:50,345 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-29 01:28:50,398 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:50,399 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:50,399 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:50,400 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:50,400 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:28:50,400 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:50,400 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:50,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:50,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-07-29 01:28:50,401 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:50,401 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:50,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:50,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:50,578 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-07-29 01:28:50,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:50,818 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-07-29 01:28:51,124 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-07-29 01:28:51,162 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:51,163 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:51,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:51,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:51,181 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:51,181 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:51,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:51,227 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:51,270 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:28:51,270 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:51,399 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:28:51,401 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:51,401 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:51,401 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:51,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:51,402 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:28:51,402 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:51,402 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:51,402 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:51,402 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-07-29 01:28:51,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:51,403 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:51,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:51,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:51,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:51,715 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-29 01:28:51,960 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-07-29 01:28:51,996 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:52,006 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-07-29 01:28:52,014 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 [2020-07-29 01:28:52,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,019 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:52,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:52,069 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-07-29 01:28:52,070 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-29 01:28:52,127 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:52,171 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 [2020-07-29 01:28:52,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:52,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:52,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:52,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:52,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:52,178 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 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 [2020-07-29 01:28:52,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:52,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:52,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:52,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:52,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:52,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:52,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:52,250 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 [2020-07-29 01:28:52,257 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 [2020-07-29 01:28:52,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,260 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:52,261 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:52,329 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-07-29 01:28:52,330 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-07-29 01:28:52,408 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 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 [2020-07-29 01:28:52,455 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 [2020-07-29 01:28:52,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:52,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:52,458 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:52,459 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:52,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:52,461 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 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 [2020-07-29 01:28:52,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:52,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:52,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:52,506 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:52,507 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:52,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:52,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:52,541 INFO L489 LassoAnalysis]: Using template '3-nested'. 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 [2020-07-29 01:28:52,544 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 [2020-07-29 01:28:52,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,547 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:52,547 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:52,600 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-07-29 01:28:52,601 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-07-29 01:28:52,696 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 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 [2020-07-29 01:28:52,719 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 [2020-07-29 01:28:52,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:52,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:52,722 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:52,729 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:52,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:52,731 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 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 [2020-07-29 01:28:52,755 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 [2020-07-29 01:28:52,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:52,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:52,778 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:52,779 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:52,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:52,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:52,807 INFO L489 LassoAnalysis]: Using template '4-nested'. 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:52,810 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 [2020-07-29 01:28:52,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:52,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:52,812 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:52,812 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:52,863 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-07-29 01:28:52,863 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-07-29 01:28:52,981 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) [2020-07-29 01:28:53,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:53,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:53,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:53,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:53,018 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:53,019 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:28:53,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:53,022 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:53,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:53,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:53,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:53,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:53,055 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:53,057 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:28:53,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:53,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:53,078 INFO L489 LassoAnalysis]: Using template '2-phase'. 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) [2020-07-29 01:28:53,088 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 [2020-07-29 01:28:53,090 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:53,091 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:53,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,091 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:53,091 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:53,117 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-07-29 01:28:53,117 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-07-29 01:28:53,234 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 [2020-07-29 01:28:53,257 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 [2020-07-29 01:28:53,259 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:53,259 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:53,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:53,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:53,260 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:53,260 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:53,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:53,270 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 [2020-07-29 01:28:53,297 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 [2020-07-29 01:28:53,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:53,298 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:53,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:53,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:53,299 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:53,299 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:53,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:53,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:53,324 INFO L489 LassoAnalysis]: Using template '3-phase'. 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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:53,328 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 [2020-07-29 01:28:53,330 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:53,330 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-29 01:28:53,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,330 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:53,330 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:53,365 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-07-29 01:28:53,365 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-07-29 01:28:53,478 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 [2020-07-29 01:28:53,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:53,505 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:53,505 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-29 01:28:53,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:53,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:53,506 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:53,507 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:53,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:53,511 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:53,541 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 [2020-07-29 01:28:53,543 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:53,543 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-29 01:28:53,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:53,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:53,543 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:53,544 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:53,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:53,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:53,568 INFO L489 LassoAnalysis]: Using template '4-phase'. 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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:53,571 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 [2020-07-29 01:28:53,573 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:53,573 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:53,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:53,573 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:53,573 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:53,625 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-07-29 01:28:53,626 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-07-29 01:28:54,050 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) [2020-07-29 01:28:54,104 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 [2020-07-29 01:28:54,107 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:54,108 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:54,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:54,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:54,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:54,109 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:54,111 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:28:54,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:54,121 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) [2020-07-29 01:28:54,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:54,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:54,196 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:54,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:54,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:54,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:54,197 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:54,198 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:28:54,198 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 [2020-07-29 01:28:54,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:54,269 INFO L489 LassoAnalysis]: Using template '2-lex'. 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) [2020-07-29 01:28:54,274 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:54,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:54,278 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:54,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:54,279 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:54,279 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:54,329 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-07-29 01:28:54,330 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-07-29 01:28:54,501 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) [2020-07-29 01:28:54,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:54,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:54,578 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:54,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:54,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:54,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:54,579 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:54,580 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:54,580 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 [2020-07-29 01:28:54,584 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) [2020-07-29 01:28:54,652 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 [2020-07-29 01:28:54,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:54,656 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:54,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:54,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:54,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:54,657 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:54,658 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:54,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:54,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:54,725 INFO L489 LassoAnalysis]: Using template '3-lex'. 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) [2020-07-29 01:28:54,729 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 [2020-07-29 01:28:54,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:54,732 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:54,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:54,732 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:54,732 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:54,791 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-07-29 01:28:54,792 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-07-29 01:28:55,018 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:55,056 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 [2020-07-29 01:28:55,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:55,059 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:55,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:55,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:55,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:55,060 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-29 01:28:55,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:55,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:55,067 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) [2020-07-29 01:28:55,101 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 [2020-07-29 01:28:55,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:55,104 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:55,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:55,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:55,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:55,104 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-29 01:28:55,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:55,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:55,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:55,132 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-07-29 01:28:55,132 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-07-29 01:28:55,132 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-07-29 01:28:55,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:55,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2020-07-29 01:28:55,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:55,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374080069] [2020-07-29 01:28:55,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:55,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:55,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:55,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:55,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:55,151 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2020-07-29 01:28:55,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:55,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866391572] [2020-07-29 01:28:55,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:55,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:55,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:55,163 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:55,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:55,164 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2020-07-29 01:28:55,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:55,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906184052] [2020-07-29 01:28:55,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:55,184 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:55,209 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:55,213 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:55,344 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:55,344 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:55,344 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:55,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:55,345 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:28:55,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:55,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:55,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:55,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-07-29 01:28:55,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:55,347 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:55,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:55,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:55,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:55,858 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-07-29 01:28:55,887 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:55,887 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2020-07-29 01:28:55,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:55,895 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:55,899 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:55,899 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:55,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:55,925 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:55,928 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:55,928 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:55,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:55,951 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:55,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:28:55,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:56,107 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:28:56,109 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:56,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:56,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:56,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:56,110 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:28:56,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:56,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:56,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:56,110 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-07-29 01:28:56,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:56,110 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:56,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:56,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:56,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:56,624 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-07-29 01:28:56,653 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:56,653 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:56,665 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 [2020-07-29 01:28:56,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:56,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:56,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:56,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:56,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:56,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:56,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:56,670 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) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:56,694 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 [2020-07-29 01:28:56,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:56,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:56,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:56,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:56,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:56,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:56,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:56,697 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:56,722 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:56,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:56,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:56,724 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:56,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:56,743 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-07-29 01:28:56,743 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-29 01:28:56,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:56,830 INFO L489 LassoAnalysis]: Using template '2-nested'. 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) [2020-07-29 01:28:56,838 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 [2020-07-29 01:28:56,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:56,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:56,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:56,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:56,842 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:56,845 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:56,845 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 [2020-07-29 01:28:56,850 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) [2020-07-29 01:28:56,911 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 [2020-07-29 01:28:56,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:56,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:56,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:56,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:56,915 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:56,916 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:56,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:56,918 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) [2020-07-29 01:28:56,974 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 [2020-07-29 01:28:56,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:56,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:56,977 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:56,978 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:57,027 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-07-29 01:28:57,027 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-07-29 01:28:57,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:57,186 INFO L489 LassoAnalysis]: Using template '3-nested'. 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) [2020-07-29 01:28:57,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:57,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:57,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:57,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:57,196 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:57,197 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:57,197 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 [2020-07-29 01:28:57,201 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) [2020-07-29 01:28:57,253 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 [2020-07-29 01:28:57,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:57,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:57,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:57,257 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:57,262 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:57,262 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 [2020-07-29 01:28:57,265 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) [2020-07-29 01:28:57,308 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 [2020-07-29 01:28:57,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:57,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,312 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:57,312 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:57,347 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-07-29 01:28:57,347 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-07-29 01:28:57,446 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:57,483 INFO L489 LassoAnalysis]: Using template '4-nested'. 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) [2020-07-29 01:28:57,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:57,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:57,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:57,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:57,491 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:57,492 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:28:57,492 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 [2020-07-29 01:28:57,495 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:57,535 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 [2020-07-29 01:28:57,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:57,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:57,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:57,537 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:57,539 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:28:57,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:57,542 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) [2020-07-29 01:28:57,580 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 [2020-07-29 01:28:57,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:57,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,583 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:57,583 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:57,624 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-07-29 01:28:57,624 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-07-29 01:28:57,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:57,769 INFO L489 LassoAnalysis]: Using template '2-phase'. 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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:57,771 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 [2020-07-29 01:28:57,773 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:57,773 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:57,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:57,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:57,773 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:57,774 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:57,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:57,776 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:57,800 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 [2020-07-29 01:28:57,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:57,802 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:57,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:57,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:57,802 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:57,803 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:57,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:57,805 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:57,829 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 [2020-07-29 01:28:57,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:57,831 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:57,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,831 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:57,831 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:57,857 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-07-29 01:28:57,857 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-07-29 01:28:57,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:57,964 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:57,966 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 [2020-07-29 01:28:57,968 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:57,968 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-29 01:28:57,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:57,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:57,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:57,968 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:57,972 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:57,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:57,976 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:58,013 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 [2020-07-29 01:28:58,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,016 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-29 01:28:58,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:58,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:58,017 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:58,018 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:58,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,021 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:58,044 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,046 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,047 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-29 01:28:58,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,047 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:58,047 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:58,083 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-07-29 01:28:58,083 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-07-29 01:28:58,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:58,244 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,246 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 [2020-07-29 01:28:58,247 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,248 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:58,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:58,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:58,248 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:58,249 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:28:58,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:58,255 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 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,276 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 [2020-07-29 01:28:58,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,278 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:58,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:58,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:58,279 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:58,280 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:28:58,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:58,284 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:58,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,309 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:58,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,309 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:58,309 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:28:58,350 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-07-29 01:28:58,350 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-07-29 01:28:58,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:58,523 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,527 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 [2020-07-29 01:28:58,528 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,528 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:58,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:58,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:58,529 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:58,529 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:58,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:58,532 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,561 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 [2020-07-29 01:28:58,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,563 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:58,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:58,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:58,563 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:58,564 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:28:58,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:58,566 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,590 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 [2020-07-29 01:28:58,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,592 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:28:58,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,593 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:58,593 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:28:58,627 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-07-29 01:28:58,627 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-07-29 01:28:58,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:58,750 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,753 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 [2020-07-29 01:28:58,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,754 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:58,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:58,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:58,755 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-29 01:28:58,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:58,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:58,760 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,788 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 [2020-07-29 01:28:58,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,790 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:58,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:58,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:58,791 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-29 01:28:58,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:58,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:58,796 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:58,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:28:58,823 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:28:58,823 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-29 01:28:58,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:58,824 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-07-29 01:28:58,824 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-29 01:28:58,887 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-07-29 01:28:58,887 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-07-29 01:28:59,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:59,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:28:59 BoogieIcfgContainer [2020-07-29 01:28:59,066 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:28:59,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:28:59,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:28:59,067 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:28:59,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:49" (3/4) ... [2020-07-29 01:28:59,071 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:28:59,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:28:59,074 INFO L168 Benchmark]: Toolchain (without parser) took 9966.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.8 MB). Free memory was 952.2 MB in the beginning and 817.5 MB in the end (delta: 134.7 MB). Peak memory consumption was 443.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:59,074 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:59,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.69 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:59,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:59,078 INFO L168 Benchmark]: Boogie Preprocessor took 24.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:59,079 INFO L168 Benchmark]: RCFGBuilder took 324.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:59,080 INFO L168 Benchmark]: BuchiAutomizer took 9225.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 1.1 GB in the beginning and 817.5 MB in the end (delta: 275.8 MB). Peak memory consumption was 463.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:59,080 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 1.3 GB. Free memory is still 817.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:59,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.69 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 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 118.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 324.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9225.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 1.1 GB in the beginning and 817.5 MB in the end (delta: 275.8 MB). Peak memory consumption was 463.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.77 ms. Allocated memory is still 1.3 GB. Free memory is still 817.5 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 9.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf95 lsp165 ukn66 mio100 lsp100 div198 bol100 ite100 ukn100 eq137 hnf60 smp92 dnf326 smp47 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 223ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...