./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/recHanoi02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/recursive/recHanoi02-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 47fcb479d933beca049827d7d80a7b2ad5309684 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 08:00:14,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:00:14,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:00:14,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:00:14,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:00:14,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:00:14,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:00:14,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:00:14,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:00:14,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:00:14,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:00:14,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:00:14,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:00:14,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:00:14,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:00:14,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:00:14,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:00:14,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:00:14,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:00:14,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:00:14,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:00:14,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:00:14,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:00:14,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:00:14,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:00:14,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:00:14,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:00:14,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:00:14,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:00:14,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:00:14,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:00:14,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:00:14,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:00:14,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:00:14,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:00:14,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:00:14,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:00:14,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:00:14,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:00:14,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:00:14,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:00:14,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:00:14,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:00:14,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:00:14,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:00:14,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:00:14,834 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:00:14,834 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:00:14,834 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:00:14,835 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:00:14,835 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:00:14,835 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:00:14,836 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:00:14,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:00:14,836 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:00:14,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:00:14,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:00:14,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:00:14,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:00:14,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:00:14,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:00:14,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:00:14,838 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:00:14,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:00:14,839 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:00:14,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:00:14,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:00:14,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:00:14,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:00:14,840 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:00:14,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:00:14,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:00:14,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:00:14,841 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:00:14,842 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:00:14,842 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fcb479d933beca049827d7d80a7b2ad5309684 [2020-10-20 08:00:15,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:00:15,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:00:15,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:00:15,096 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:00:15,096 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:00:15,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi02-2.c [2020-10-20 08:00:15,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a210b9d/7f0c540a77a44ee39a881cce6b3ab639/FLAG213f2836a [2020-10-20 08:00:15,679 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:00:15,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi02-2.c [2020-10-20 08:00:15,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a210b9d/7f0c540a77a44ee39a881cce6b3ab639/FLAG213f2836a [2020-10-20 08:00:16,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a210b9d/7f0c540a77a44ee39a881cce6b3ab639 [2020-10-20 08:00:16,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:00:16,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:00:16,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:00:16,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:00:16,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:00:16,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cc14f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16, skipping insertion in model container [2020-10-20 08:00:16,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:00:16,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:00:16,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:00:16,408 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:00:16,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:00:16,437 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:00:16,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16 WrapperNode [2020-10-20 08:00:16,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:00:16,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:00:16,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:00:16,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:00:16,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:00:16,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:00:16,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:00:16,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:00:16,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (1/1) ... [2020-10-20 08:00:16,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:00:16,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:00:16,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:00:16,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:00:16,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (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 [2020-10-20 08:00:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-10-20 08:00:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-10-20 08:00:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:00:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:00:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 08:00:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:00:16,847 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:00:16,847 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-20 08:00:16,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:00:16 BoogieIcfgContainer [2020-10-20 08:00:16,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:00:16,863 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:00:16,864 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:00:16,871 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:00:16,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:00:16,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:00:16" (1/3) ... [2020-10-20 08:00:16,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1724687a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:00:16, skipping insertion in model container [2020-10-20 08:00:16,878 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:00:16,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:00:16" (2/3) ... [2020-10-20 08:00:16,883 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1724687a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:00:16, skipping insertion in model container [2020-10-20 08:00:16,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:00:16,884 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:00:16" (3/3) ... [2020-10-20 08:00:16,886 INFO L373 chiAutomizerObserver]: Analyzing ICFG recHanoi02-2.c [2020-10-20 08:00:16,948 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:00:16,948 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:00:16,948 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:00:16,948 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:00:16,949 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:00:16,949 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:00:16,949 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:00:16,949 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:00:16,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-20 08:00:16,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 08:00:16,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:00:16,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:00:16,995 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 08:00:16,995 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 08:00:16,995 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:00:16,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-20 08:00:16,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 08:00:16,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:00:16,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:00:16,998 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 08:00:16,999 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 08:00:17,007 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_~n~0, main_~result~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 9#L30true assume !(main_~n~0 < 1 || main_~n~0 > 31); 15#L33true call main_#t~ret9 := hanoi(main_~n~0);< 7#hanoiENTRYtrue [2020-10-20 08:00:17,007 INFO L796 eck$LassoCheckResult]: Loop: 7#hanoiENTRYtrue ~n := #in~n; 8#L21true assume !(1 == ~n); 5#L24true call #t~ret7 := hanoi(~n - 1);< 7#hanoiENTRYtrue [2020-10-20 08:00:17,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:00:17,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1171956, now seen corresponding path program 1 times [2020-10-20 08:00:17,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:00:17,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878350972] [2020-10-20 08:00:17,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:00:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:00:17,119 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:00:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:00:17,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:00:17,166 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:00:17,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:00:17,168 INFO L82 PathProgramCache]: Analyzing trace with hash 29945, now seen corresponding path program 1 times [2020-10-20 08:00:17,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:00:17,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853868385] [2020-10-20 08:00:17,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:00:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:00:17,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:00:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:00:17,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:00:17,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:00:17,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:00:17,180 INFO L82 PathProgramCache]: Analyzing trace with hash 554002982, now seen corresponding path program 1 times [2020-10-20 08:00:17,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:00:17,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904130603] [2020-10-20 08:00:17,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:00:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:00:17,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:00:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:00:17,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:00:17,244 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:00:17,340 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:00:17,341 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:00:17,341 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:00:17,341 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:00:17,342 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 08:00:17,342 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:17,342 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:00:17,342 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:00:17,343 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi02-2.c_Iteration1_Loop [2020-10-20 08:00:17,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:00:17,343 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:00:17,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:17,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:17,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:17,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:17,469 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:00:17,470 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) [2020-10-20 08:00:17,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 08:00:17,484 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:17,497 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 08:00:17,506 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#res=0} Honda state: {hanoi_#res=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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:17,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 08:00:17,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 08:00:17,547 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 08:00:17,547 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_~n=0} Honda state: {hanoi_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:17,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 08:00:17,582 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-20 08:00:17,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 08:00:17,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 08:00:17,635 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 08:00:17,635 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#in~n=-8} Honda state: {hanoi_#in~n=-8} Generalized eigenvectors: [{hanoi_#in~n=0}, {hanoi_#in~n=0}, {hanoi_#in~n=-1}] Lambdas: [3, 0, 1] Nus: [0, 0] 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) [2020-10-20 08:00:17,693 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 08:00:17,693 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:17,701 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 08:00:17,702 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret7=0} Honda state: {hanoi_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-10-20 08:00:17,950 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-10-20 08:00:18,226 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:00:18,226 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:00:18,226 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:00:18,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:00:18,227 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:00:18,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:18,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:00:18,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:00:18,227 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi02-2.c_Iteration1_Lasso [2020-10-20 08:00:18,227 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:00:18,228 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:00:18,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:00:18,749 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:00:18,757 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 08:00:18,764 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 [2020-10-20 08:00:18,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:18,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:18,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:18,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:18,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:18,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:18,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:18,776 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:00:18,830 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 [2020-10-20 08:00:18,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:18,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:18,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:18,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:18,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:18,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:18,846 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) [2020-10-20 08:00:18,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:00:18,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:18,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:18,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:18,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:18,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:18,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:18,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:18,901 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) [2020-10-20 08:00:18,949 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 [2020-10-20 08:00:18,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:18,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:18,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:18,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:18,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:18,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:18,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:00:18,966 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:00:19,020 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 [2020-10-20 08:00:19,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,026 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 [2020-10-20 08:00:19,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:00:19,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:00:19,079 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 [2020-10-20 08:00:19,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:00:19,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:00:19,124 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:00:19,158 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,168 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,211 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 [2020-10-20 08:00:19,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:00:19,217 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 [2020-10-20 08:00:19,252 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 [2020-10-20 08:00:19,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:00:19,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,284 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 [2020-10-20 08:00:19,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:00:19,290 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) [2020-10-20 08:00:19,343 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,357 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 [2020-10-20 08:00:19,384 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 [2020-10-20 08:00:19,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,408 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 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 [2020-10-20 08:00:19,435 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 [2020-10-20 08:00:19,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,458 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 [2020-10-20 08:00:19,491 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 [2020-10-20 08:00:19,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,501 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 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 [2020-10-20 08:00:19,526 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 [2020-10-20 08:00:19,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,561 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 [2020-10-20 08:00:19,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,572 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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,598 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 [2020-10-20 08:00:19,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,611 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) [2020-10-20 08:00:19,652 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 [2020-10-20 08:00:19,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:00:19,732 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 [2020-10-20 08:00:19,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,741 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) [2020-10-20 08:00:19,766 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 [2020-10-20 08:00:19,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,775 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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,800 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 [2020-10-20 08:00:19,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:00:19,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:00:19,836 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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,859 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 [2020-10-20 08:00:19,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:00:19,863 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) [2020-10-20 08:00:19,905 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 [2020-10-20 08:00:19,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:00:19,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:00:19,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:00:19,908 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 [2020-10-20 08:00:19,911 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:00:19,967 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 [2020-10-20 08:00:19,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:19,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:19,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:00:19,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:19,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:00:19,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:00:19,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:00:20,026 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 [2020-10-20 08:00:20,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:00:20,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:00:20,030 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 08:00:20,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:20,045 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-20 08:00:20,046 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-20 08:00:20,063 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:00:20,118 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 08:00:20,118 INFO L444 ModelExtractionUtils]: 2 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. 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) [2020-10-20 08:00:20,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:00:20,159 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-10-20 08:00:20,159 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:00:20,160 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(hanoi_#in~n) = 1*hanoi_#in~n Supporting invariants [2*hanoi_#in~n - 1 >= 0] [2020-10-20 08:00:20,237 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-10-20 08:00:20,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:00:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:00:20,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 08:00:20,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:00:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:00:20,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 08:00:20,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:00:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:00:20,489 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-20 08:00:20,491 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2020-10-20 08:00:20,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 35 states and 40 transitions. Complement of second has 13 states. [2020-10-20 08:00:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 08:00:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 08:00:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-10-20 08:00:20,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-20 08:00:20,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:00:20,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2020-10-20 08:00:20,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:00:20,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-20 08:00:20,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:00:20,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 40 transitions. [2020-10-20 08:00:20,684 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:00:20,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2020-10-20 08:00:20,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:00:20,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:00:20,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:00:20,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:00:20,692 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:00:20,692 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:00:20,692 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:00:20,692 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:00:20,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 08:00:20,693 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:00:20,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 08:00:20,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 08:00:20 BoogieIcfgContainer [2020-10-20 08:00:20,700 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 08:00:20,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 08:00:20,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 08:00:20,702 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 08:00:20,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:00:16" (3/4) ... [2020-10-20 08:00:20,707 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 08:00:20,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 08:00:20,709 INFO L168 Benchmark]: Toolchain (without parser) took 4636.05 ms. Allocated memory was 35.1 MB in the beginning and 61.3 MB in the end (delta: 26.2 MB). Free memory was 6.8 MB in the beginning and 17.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 14.3 GB. [2020-10-20 08:00:20,710 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 35.1 MB. Free memory was 11.7 MB in the beginning and 11.7 MB in the end (delta: 52.4 kB). Peak memory consumption was 52.4 kB. Max. memory is 14.3 GB. [2020-10-20 08:00:20,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.72 ms. Allocated memory was 38.3 MB in the beginning and 46.1 MB in the end (delta: 7.9 MB). Free memory was 20.4 MB in the beginning and 28.5 MB in the end (delta: -8.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 08:00:20,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.58 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 26.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 08:00:20,714 INFO L168 Benchmark]: Boogie Preprocessor took 19.04 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 25.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 08:00:20,715 INFO L168 Benchmark]: RCFGBuilder took 352.15 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 25.7 MB in the beginning and 27.6 MB in the end (delta: -1.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 08:00:20,716 INFO L168 Benchmark]: BuchiAutomizer took 3837.16 ms. Allocated memory was 48.2 MB in the beginning and 61.3 MB in the end (delta: 13.1 MB). Free memory was 27.3 MB in the beginning and 17.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.3 GB. [2020-10-20 08:00:20,717 INFO L168 Benchmark]: Witness Printer took 5.83 ms. Allocated memory is still 61.3 MB. Free memory was 17.7 MB in the beginning and 17.1 MB in the end (delta: 569.5 kB). Peak memory consumption was 569.5 kB. Max. memory is 14.3 GB. [2020-10-20 08:00:20,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 35.1 MB. Free memory was 11.7 MB in the beginning and 11.7 MB in the end (delta: 52.4 kB). Peak memory consumption was 52.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 347.72 ms. Allocated memory was 38.3 MB in the beginning and 46.1 MB in the end (delta: 7.9 MB). Free memory was 20.4 MB in the beginning and 28.5 MB in the end (delta: -8.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 39.58 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 26.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 19.04 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 25.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 352.15 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 25.7 MB in the beginning and 27.6 MB in the end (delta: -1.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3837.16 ms. Allocated memory was 48.2 MB in the beginning and 61.3 MB in the end (delta: 13.1 MB). Free memory was 27.3 MB in the beginning and 17.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.3 GB. * Witness Printer took 5.83 ms. Allocated memory is still 61.3 MB. Free memory was 17.7 MB in the beginning and 17.1 MB in the end (delta: 569.5 kB). Peak memory consumption was 569.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 5 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf99 lsp88 ukn73 mio100 lsp69 div100 bol100 ite100 ukn100 eq174 hnf95 smp100 dnf153 smp100 tf103 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 137ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...