./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a2a51f996e4cf34954505c04e8fa9e53d244d46a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:37:24,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:37:24,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:37:24,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:37:24,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:37:24,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:37:24,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:37:24,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:37:24,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:37:24,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:37:24,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:37:24,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:37:24,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:37:24,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:37:24,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:37:24,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:37:24,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:37:24,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:37:24,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:37:24,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:37:24,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:37:24,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:37:24,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:37:24,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:37:24,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:37:24,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:37:24,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:37:24,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:37:24,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:37:24,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:37:24,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:37:24,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:37:24,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:37:24,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:37:24,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:37:24,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:37:24,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:37:24,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:37:24,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:37:24,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:37:24,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:37:24,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:37:24,737 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:37:24,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:37:24,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:37:24,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:37:24,739 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:37:24,740 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:37:24,740 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:37:24,740 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:37:24,740 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:37:24,741 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:37:24,742 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:37:24,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:37:24,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:37:24,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:37:24,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:37:24,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:37:24,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:37:24,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:37:24,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:37:24,745 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:37:24,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:37:24,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:37:24,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:37:24,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:37:24,746 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:37:24,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:37:24,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:37:24,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:37:24,747 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:37:24,748 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:37:24,749 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2a51f996e4cf34954505c04e8fa9e53d244d46a [2020-07-29 01:37:25,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:37:25,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:37:25,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:37:25,121 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:37:25,123 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:37:25,124 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2020-07-29 01:37:25,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7a5c3e6/8afa2e8a11834d03a20ffd1e49675fba/FLAG262fcb8aa [2020-07-29 01:37:25,733 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:37:25,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2020-07-29 01:37:25,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7a5c3e6/8afa2e8a11834d03a20ffd1e49675fba/FLAG262fcb8aa [2020-07-29 01:37:26,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7a5c3e6/8afa2e8a11834d03a20ffd1e49675fba [2020-07-29 01:37:26,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:37:26,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:37:26,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:37:26,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:37:26,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:37:26,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65311a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26, skipping insertion in model container [2020-07-29 01:37:26,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:37:26,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:37:26,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:37:26,508 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:37:26,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:37:26,666 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:37:26,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26 WrapperNode [2020-07-29 01:37:26,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:37:26,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:37:26,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:37:26,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:37:26,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:37:26,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:37:26,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:37:26,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:37:26,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... [2020-07-29 01:37:26,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:37:26,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:37:26,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:37:26,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:37:26,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:37:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:37:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 01:37:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-29 01:37:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:37:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:37:27,210 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:37:27,210 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-29 01:37:27,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:37:27 BoogieIcfgContainer [2020-07-29 01:37:27,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:37:27,214 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:37:27,214 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:37:27,218 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:37:27,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:27,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:37:26" (1/3) ... [2020-07-29 01:37:27,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c8bd983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:37:27, skipping insertion in model container [2020-07-29 01:37:27,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:27,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:26" (2/3) ... [2020-07-29 01:37:27,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c8bd983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:37:27, skipping insertion in model container [2020-07-29 01:37:27,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:27,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:37:27" (3/3) ... [2020-07-29 01:37:27,222 INFO L371 chiAutomizerObserver]: Analyzing ICFG cll_traverse-alloca.i [2020-07-29 01:37:27,271 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:37:27,271 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:37:27,271 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:37:27,271 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:37:27,272 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:37:27,272 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:37:27,272 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:37:27,272 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:37:27,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:37:27,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:37:27,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:27,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:27,318 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 01:37:27,318 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:37:27,318 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:37:27,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:37:27,321 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:37:27,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:27,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:27,322 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 01:37:27,322 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:37:27,330 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 12#L552-3true [2020-07-29 01:37:27,331 INFO L796 eck$LassoCheckResult]: Loop: 12#L552-3true assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; 10#L552-2true init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; 12#L552-3true [2020-07-29 01:37:27,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:27,337 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-07-29 01:37:27,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:27,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193904779] [2020-07-29 01:37:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:27,457 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:27,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:27,496 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:27,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-07-29 01:37:27,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:27,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731948618] [2020-07-29 01:37:27,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:27,520 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:27,555 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:27,567 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:27,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:27,572 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-07-29 01:37:27,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:27,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582313187] [2020-07-29 01:37:27,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:27,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:27,671 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:27,678 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:27,943 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2020-07-29 01:37:28,071 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-29 01:37:28,183 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-29 01:37:28,184 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-29 01:37:28,192 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-29 01:37:28,296 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-29 01:37:28,297 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-29 01:37:28,299 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-29 01:37:28,300 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:156, output treesize:158 [2020-07-29 01:37:28,445 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-29 01:37:28,614 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-07-29 01:37:28,717 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:37:28,718 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:37:28,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:37:28,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:37:28,719 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:37:28,719 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:28,719 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:37:28,720 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:37:28,720 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_traverse-alloca.i_Iteration1_Lasso [2020-07-29 01:37:28,720 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:37:28,720 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:37:28,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:28,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:29,991 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:37:29,997 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-07-29 01:37:30,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,030 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 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 [2020-07-29 01:37:30,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,073 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,102 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:30,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:30,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:30,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:30,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,298 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,388 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,417 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 [2020-07-29 01:37:30,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:30,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:30,487 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 [2020-07-29 01:37:30,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:30,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:30,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,603 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 [2020-07-29 01:37:30,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:30,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:30,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:30,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:30,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:30,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:30,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:30,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:30,712 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 [2020-07-29 01:37:30,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:37:30,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:30,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:30,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:30,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:30,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:30,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:30,750 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:37:30,864 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-07-29 01:37:30,864 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. 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 [2020-07-29 01:37:30,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:37:30,898 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:37:30,899 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:37:30,900 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n, ULTIMATE.start_init_cll_~i~0) = 1*ULTIMATE.start_init_cll_~n - 1*ULTIMATE.start_init_cll_~i~0 Supporting invariants [] [2020-07-29 01:37:30,957 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-07-29 01:37:30,962 INFO L393 LassoCheck]: Loop: "assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset;" "init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3;" [2020-07-29 01:37:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:31,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:31,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:37:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:31,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:37:31,036 INFO L280 TraceCheckUtils]: 0: Hoare triple {21#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {21#unseeded} is VALID [2020-07-29 01:37:31,036 INFO L280 TraceCheckUtils]: 1: Hoare triple {21#unseeded} havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; {21#unseeded} is VALID [2020-07-29 01:37:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:31,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:37:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:31,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:37:31,077 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#(>= oldRank0 (+ ULTIMATE.start_init_cll_~n (* (- 1) ULTIMATE.start_init_cll_~i~0)))} assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; {57#(and (<= ULTIMATE.start_init_cll_~n (+ ULTIMATE.start_init_cll_~i~0 oldRank0)) (< ULTIMATE.start_init_cll_~i~0 ULTIMATE.start_init_cll_~n))} is VALID [2020-07-29 01:37:31,079 INFO L280 TraceCheckUtils]: 1: Hoare triple {57#(and (<= ULTIMATE.start_init_cll_~n (+ ULTIMATE.start_init_cll_~i~0 oldRank0)) (< ULTIMATE.start_init_cll_~i~0 ULTIMATE.start_init_cll_~n))} init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; {49#(or (and (> oldRank0 (+ ULTIMATE.start_init_cll_~n (* (- 1) ULTIMATE.start_init_cll_~i~0))) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 01:37:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:37:31,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:37:31,103 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:37:31,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:37:31,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,113 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:37:31,115 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2020-07-29 01:37:31,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 36 transitions. Complement of second has 7 states. [2020-07-29 01:37:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:37:31,211 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:37:31,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:37:31,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:37:31,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:31,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:31,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:37:31,218 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:37:31,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:31,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:31,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2020-07-29 01:37:31,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:37:31,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:31,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:31,222 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 11 states. [2020-07-29 01:37:31,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:37:31,224 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:37:31,224 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:37:31,226 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:37:31,227 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:37:31,227 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 27 states and 36 transitions. cyclomatic complexity: 13 [2020-07-29 01:37:31,227 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:37:31,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:37:31,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:37:31,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:37:31,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:31,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:31,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:31,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:37:31,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:37:31,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:37:31,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:37:31,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:37:31,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:37:31,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:37:31,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:37:31,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:37:31,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 01:37:31,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 01:37:31,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 3 letters. Loop has 2 letters. [2020-07-29 01:37:31,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:37:31,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:37:31,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:37:31,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:37:31,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:37:31,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:37:31,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:31,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:31,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:31,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 36 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:37:31,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,239 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:37:31,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:37:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-07-29 01:37:31,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:37:31,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:37:31,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2020-07-29 01:37:31,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:31,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. cyclomatic complexity: 13 [2020-07-29 01:37:31,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:37:31,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2020-07-29 01:37:31,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-07-29 01:37:31,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-07-29 01:37:31,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2020-07-29 01:37:31,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:37:31,253 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-07-29 01:37:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2020-07-29 01:37:31,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-07-29 01:37:31,280 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:37:31,280 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8 states and 10 transitions. Second operand 8 states. [2020-07-29 01:37:31,281 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states and 10 transitions. Second operand 8 states. [2020-07-29 01:37:31,283 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand 8 states. [2020-07-29 01:37:31,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:37:31,287 INFO L93 Difference]: Finished difference Result 8 states and 10 transitions. [2020-07-29 01:37:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2020-07-29 01:37:31,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:37:31,288 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:37:31,288 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states and 10 transitions. [2020-07-29 01:37:31,289 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states and 10 transitions. [2020-07-29 01:37:31,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:37:31,289 INFO L93 Difference]: Finished difference Result 8 states and 10 transitions. [2020-07-29 01:37:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2020-07-29 01:37:31,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:37:31,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:37:31,290 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:37:31,290 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:37:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-29 01:37:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-07-29 01:37:31,292 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-07-29 01:37:31,292 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-07-29 01:37:31,293 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:37:31,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-07-29 01:37:31,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:37:31,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:31,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:31,294 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:37:31,294 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:37:31,294 INFO L794 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 100#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 101#L552-3 assume !(init_cll_~i~0 < init_cll_~n); 98#L552-4 call write~$Pointer$(init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_#res.base, init_cll_#res.offset := init_cll_~head~0.base, init_cll_~head~0.offset; 99#L559 main_#t~ret7.base, main_#t~ret7.offset := init_cll_#res.base, init_cll_#res.offset;main_~head~1.base, main_~head~1.offset := main_#t~ret7.base, main_#t~ret7.offset;havoc main_#t~ret7.base, main_#t~ret7.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~head~1.base, main_~head~1.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~1.base, traverse_~curr~1.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~1.base, traverse_~curr~1.offset := traverse_~head.base, traverse_~head.offset; 103#L564-2 [2020-07-29 01:37:31,294 INFO L796 eck$LassoCheckResult]: Loop: 103#L564-2 assume !!(traverse_~curr~1.base != 0 || traverse_~curr~1.offset != 0);call traverse_#t~mem5.base, traverse_#t~mem5.offset := read~$Pointer$(traverse_~curr~1.base, 4 + traverse_~curr~1.offset, 8);traverse_~curr~1.base, traverse_~curr~1.offset := traverse_#t~mem5.base, traverse_#t~mem5.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset; 103#L564-2 [2020-07-29 01:37:31,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:31,295 INFO L82 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2020-07-29 01:37:31,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:31,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504455849] [2020-07-29 01:37:31,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:31,308 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:31,319 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:31,324 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:31,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:31,325 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-07-29 01:37:31,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:31,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489248489] [2020-07-29 01:37:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:31,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:31,332 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:31,334 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:31,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:31,334 INFO L82 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2020-07-29 01:37:31,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:31,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308141311] [2020-07-29 01:37:31,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:31,351 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:31,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:31,369 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:31,920 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-07-29 01:37:31,983 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-29 01:37:32,141 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-29 01:37:32,142 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-29 01:37:32,150 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-29 01:37:32,300 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-29 01:37:32,300 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-29 01:37:32,302 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-29 01:37:32,302 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:183, output treesize:159 [2020-07-29 01:37:32,937 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-29 01:37:32,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:37:32 BoogieIcfgContainer [2020-07-29 01:37:32,973 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:37:32,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:37:32,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:37:32,974 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:37:32,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:37:27" (3/4) ... [2020-07-29 01:37:32,977 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 01:37:33,023 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:37:33,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:37:33,026 INFO L168 Benchmark]: Toolchain (without parser) took 6956.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 956.2 MB in the beginning and 763.8 MB in the end (delta: 192.4 MB). Peak memory consumption was 364.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:33,026 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:37:33,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -106.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:33,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:33,029 INFO L168 Benchmark]: Boogie Preprocessor took 28.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:37:33,029 INFO L168 Benchmark]: RCFGBuilder took 454.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:33,030 INFO L168 Benchmark]: BuchiAutomizer took 5758.99 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 763.8 MB in the end (delta: 259.2 MB). Peak memory consumption was 356.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:33,031 INFO L168 Benchmark]: Witness Printer took 50.23 ms. Allocated memory is still 1.2 GB. Free memory is still 763.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:37:33,034 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -106.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 454.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5758.99 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 763.8 MB in the end (delta: 259.2 MB). Peak memory consumption was 356.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.23 ms. Allocated memory is still 1.2 GB. Free memory is still 763.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 14 SDs, 0 SdLazy, 6 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital263 mio100 ax100 hnf100 lsp97 ukn43 mio100 lsp27 div100 bol100 ite100 ukn100 eq177 hnf92 smp100 dnf172 smp93 tf100 neg95 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=24455} State at position 1 is {i=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2b6d6353=0, \result=0, NULL=24455, next_node=0, \result=24454, next_node=0, head=24454, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e3c755e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2b6d6353=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14952422=24454, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@43715645=0, head=0, head=24454, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334c568f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334c568f=0, curr=0, \old(n)=0, n=0, head=24454, n=0, head=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@525be67f=0, head=0, head=24454, curr=24454, NULL=0, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@525be67f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14952422=0, curr=24454, head=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] node_t* head = init_cll(n); [L563] node_t* curr = head; Loop: [L564] COND TRUE curr != ((void *)0) [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...