./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_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 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-9a8b2e8 [2020-10-20 06:41:17,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:41:17,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:41:17,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:41:17,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:41:17,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:41:17,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:41:17,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:41:17,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:41:17,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:41:17,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:41:17,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:41:17,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:41:17,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:41:17,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:41:17,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:41:17,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:41:17,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:41:17,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:41:17,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:41:17,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:41:17,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:41:17,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:41:17,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:41:17,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:41:17,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:41:17,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:41:17,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:41:17,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:41:17,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:41:17,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:41:17,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:41:17,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:41:17,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:41:17,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:41:17,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:41:17,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:41:17,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:41:17,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:41:17,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:41:17,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:41:17,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:41:17,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:41:17,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:41:17,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:41:17,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:41:17,914 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:41:17,915 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:41:17,915 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:41:17,915 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:41:17,915 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:41:17,916 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:41:17,917 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:41:17,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:41:17,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:41:17,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:41:17,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:41:17,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:41:17,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:41:17,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:41:17,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:41:17,921 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:41:17,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:41:17,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:41:17,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:41:17,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:41:17,922 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:41:17,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:41:17,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:41:17,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:41:17,923 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:41:17,924 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:41:17,925 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 -> 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a [2020-10-20 06:41:18,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:41:18,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:41:18,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:41:18,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:41:18,208 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:41:18,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i [2020-10-20 06:41:18,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ad09c8e/fb804a5f88ae44cfa5f1e4836819c8c8/FLAG404b16bc7 [2020-10-20 06:41:18,828 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:41:18,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i [2020-10-20 06:41:18,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ad09c8e/fb804a5f88ae44cfa5f1e4836819c8c8/FLAG404b16bc7 [2020-10-20 06:41:19,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ad09c8e/fb804a5f88ae44cfa5f1e4836819c8c8 [2020-10-20 06:41:19,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:41:19,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:41:19,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:41:19,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:41:19,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:41:19,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113d5c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19, skipping insertion in model container [2020-10-20 06:41:19,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:41:19,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:41:19,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:41:19,568 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:41:19,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:41:19,709 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:41:19,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19 WrapperNode [2020-10-20 06:41:19,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:41:19,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:41:19,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:41:19,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:41:19,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:41:19,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:41:19,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:41:19,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:41:19,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... [2020-10-20 06:41:19,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:41:19,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:41:19,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:41:19,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:41:19,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:41:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:41:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:41:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:41:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure new_lseg [2020-10-20 06:41:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure new_lseg [2020-10-20 06:41:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:41:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:41:20,129 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:41:20,130 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 06:41:20,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:20 BoogieIcfgContainer [2020-10-20 06:41:20,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:41:20,134 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:41:20,135 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:41:20,139 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:41:20,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:20,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:41:19" (1/3) ... [2020-10-20 06:41:20,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@329888be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:41:20, skipping insertion in model container [2020-10-20 06:41:20,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:20,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:19" (2/3) ... [2020-10-20 06:41:20,143 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@329888be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:41:20, skipping insertion in model container [2020-10-20 06:41:20,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:20,143 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:20" (3/3) ... [2020-10-20 06:41:20,146 INFO L373 chiAutomizerObserver]: Analyzing ICFG cll_by_lseg_traverse-alloca.i [2020-10-20 06:41:20,210 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:41:20,210 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:41:20,211 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:41:20,211 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:41:20,211 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:41:20,211 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:41:20,212 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:41:20,212 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:41:20,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-20 06:41:20,268 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 06:41:20,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:41:20,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:41:20,279 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 06:41:20,295 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:41:20,295 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:41:20,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-20 06:41:20,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 06:41:20,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:41:20,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:41:20,302 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 06:41:20,302 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:41:20,320 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 12#L572true assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 18#L559true call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 14#new_lsegENTRYtrue [2020-10-20 06:41:20,321 INFO L796 eck$LassoCheckResult]: Loop: 14#new_lsegENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 10#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~x~0.base, ~x~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~x~0.base, ~x~0.offset, 4); 15#L552true call #t~ret3.base, #t~ret3.offset := new_lseg(~p.base, ~p.offset, ~n - 1);< 14#new_lsegENTRYtrue [2020-10-20 06:41:20,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:20,331 INFO L82 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2020-10-20 06:41:20,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:20,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512808925] [2020-10-20 06:41:20,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:20,470 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:20,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:20,556 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:20,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:20,558 INFO L82 PathProgramCache]: Analyzing trace with hash 57729, now seen corresponding path program 1 times [2020-10-20 06:41:20,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:20,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155076686] [2020-10-20 06:41:20,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:20,592 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:20,605 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:20,610 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:20,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:20,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1807633698, now seen corresponding path program 1 times [2020-10-20 06:41:20,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:20,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658521958] [2020-10-20 06:41:20,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:20,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:20,667 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:20,675 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:20,931 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-10-20 06:41:21,156 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 06:41:21,501 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2020-10-20 06:41:21,613 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-20 06:41:21,747 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-20 06:41:21,834 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:41:21,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:41:21,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:41:21,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:41:21,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:41:21,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:21,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:41:21,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:41:21,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_by_lseg_traverse-alloca.i_Iteration1_Lasso [2020-10-20 06:41:21,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:41:21,838 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:41:21,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:21,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:22,568 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:41:22,573 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:22,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,595 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 [2020-10-20 06:41:22,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,633 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 [2020-10-20 06:41:22,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,678 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 [2020-10-20 06:41:22,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,721 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 [2020-10-20 06:41:22,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,749 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 [2020-10-20 06:41:22,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:22,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:41:22,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:41:22,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,890 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 [2020-10-20 06:41:22,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:22,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:22,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:22,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:22,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:22,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:22,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:22,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:22,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:22,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:22,988 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 [2020-10-20 06:41:23,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:23,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:23,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:23,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:23,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:23,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:23,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:23,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:23,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:23,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:23,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:23,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:41:23,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:23,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:23,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:23,153 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) [2020-10-20 06:41:23,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:23,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:23,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:23,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:23,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:23,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:23,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:23,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:23,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:23,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:23,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:23,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:23,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,305 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-20 06:41:23,305 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:41:23,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,318 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-10-20 06:41:23,318 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-20 06:41:23,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:23,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:23,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:23,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:23,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:23,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:23,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:23,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:23,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:23,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:23,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:23,542 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:41:23,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:23,552 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-20 06:41:23,552 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:41:23,747 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-20 06:41:23,747 INFO L444 ModelExtractionUtils]: 11 out of 21 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:23,762 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:41:23,786 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-10-20 06:41:23,786 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:41:23,787 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_lseg_#in~n) = 1*new_lseg_#in~n Supporting invariants [1*new_lseg_#in~n >= 0] [2020-10-20 06:41:23,821 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2020-10-20 06:41:23,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:41:23,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:41:23,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:41:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:41:23,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:41:23,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:41:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:41:23,971 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-20 06:41:23,972 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2020-10-20 06:41:24,175 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 35 states and 41 transitions. Complement of second has 13 states. [2020-10-20 06:41:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:41:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 06:41:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-10-20 06:41:24,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-20 06:41:24,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:24,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2020-10-20 06:41:24,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:24,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-20 06:41:24,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:24,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2020-10-20 06:41:24,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:41:24,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 22 states and 27 transitions. [2020-10-20 06:41:24,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-10-20 06:41:24,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-20 06:41:24,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2020-10-20 06:41:24,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:41:24,198 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-20 06:41:24,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2020-10-20 06:41:24,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2020-10-20 06:41:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-20 06:41:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-10-20 06:41:24,229 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-10-20 06:41:24,229 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-10-20 06:41:24,230 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:41:24,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2020-10-20 06:41:24,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:41:24,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:41:24,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:41:24,232 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:41:24,232 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:41:24,233 INFO L794 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 130#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 131#L572 assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 136#L559 call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 137#new_lsegENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 138#L548 assume 0 == ~n;#res.base, #res.offset := ~p.base, ~p.offset; 143#new_lsegFINAL assume true; 141#new_lsegEXIT >#37#return; 127#L559-1 call write~$Pointer$(new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~x~1.base, 4 + new_cll_~x~1.offset, 8);havoc new_cll_#t~ret5.base, new_cll_#t~ret5.offset;new_cll_#res.base, new_cll_#res.offset := new_cll_~x~1.base, new_cll_~x~1.offset; 128#L560 main_#t~ret8.base, main_#t~ret8.offset := new_cll_#res.base, new_cll_#res.offset;main_~x~2.base, main_~x~2.offset := main_#t~ret8.base, main_#t~ret8.offset;havoc main_#t~ret8.base, main_#t~ret8.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~x~2.base, main_~x~2.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~0.base, traverse_~curr~0.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~0.base, traverse_~curr~0.offset := traverse_~head.base, traverse_~head.offset; 133#L565-2 [2020-10-20 06:41:24,233 INFO L796 eck$LassoCheckResult]: Loop: 133#L565-2 assume !!(traverse_~curr~0.base != 0 || traverse_~curr~0.offset != 0);call traverse_#t~mem6.base, traverse_#t~mem6.offset := read~$Pointer$(traverse_~curr~0.base, 4 + traverse_~curr~0.offset, 8);traverse_~curr~0.base, traverse_~curr~0.offset := traverse_#t~mem6.base, traverse_#t~mem6.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset; 133#L565-2 [2020-10-20 06:41:24,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:24,233 INFO L82 PathProgramCache]: Analyzing trace with hash 914562823, now seen corresponding path program 1 times [2020-10-20 06:41:24,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:24,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188423368] [2020-10-20 06:41:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:24,253 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:24,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:24,276 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:24,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:24,276 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-10-20 06:41:24,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:24,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170711532] [2020-10-20 06:41:24,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:24,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:24,284 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:24,286 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:24,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:24,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1713323539, now seen corresponding path program 1 times [2020-10-20 06:41:24,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:24,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898535964] [2020-10-20 06:41:24,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:24,310 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:24,345 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:24,354 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:25,381 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 144 [2020-10-20 06:41:25,425 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:41:25,547 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-20 06:41:25,548 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:41:25,554 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:41:25,661 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 06:41:25,662 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:41:25,664 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 06:41:25,664 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:144 [2020-10-20 06:41:25,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:41:25 BoogieIcfgContainer [2020-10-20 06:41:25,795 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:41:25,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:41:25,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:41:25,796 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:41:25,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:20" (3/4) ... [2020-10-20 06:41:25,800 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-20 06:41:25,849 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:41:25,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:41:25,852 INFO L168 Benchmark]: Toolchain (without parser) took 6731.95 ms. Allocated memory was 35.7 MB in the beginning and 76.5 MB in the end (delta: 40.9 MB). Free memory was 13.7 MB in the beginning and 22.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 32.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:25,853 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:41:25,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.34 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 12.9 MB in the beginning and 27.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:25,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.55 ms. Allocated memory is still 46.7 MB. Free memory was 27.5 MB in the beginning and 25.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:25,855 INFO L168 Benchmark]: Boogie Preprocessor took 30.76 ms. Allocated memory is still 46.7 MB. Free memory was 25.6 MB in the beginning and 24.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:25,856 INFO L168 Benchmark]: RCFGBuilder took 343.40 ms. Allocated memory is still 46.7 MB. Free memory was 24.1 MB in the beginning and 20.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:25,857 INFO L168 Benchmark]: BuchiAutomizer took 5660.56 ms. Allocated memory was 46.7 MB in the beginning and 76.5 MB in the end (delta: 29.9 MB). Free memory was 20.4 MB in the beginning and 24.9 MB in the end (delta: -4.6 MB). Peak memory consumption was 42.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:25,858 INFO L168 Benchmark]: Witness Printer took 54.75 ms. Allocated memory is still 76.5 MB. Free memory was 24.9 MB in the beginning and 22.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:25,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 580.34 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 12.9 MB in the beginning and 27.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 47.55 ms. Allocated memory is still 46.7 MB. Free memory was 27.5 MB in the beginning and 25.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 30.76 ms. Allocated memory is still 46.7 MB. Free memory was 25.6 MB in the beginning and 24.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 343.40 ms. Allocated memory is still 46.7 MB. Free memory was 24.1 MB in the beginning and 20.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 5660.56 ms. Allocated memory was 46.7 MB in the beginning and 76.5 MB in the end (delta: 29.9 MB). Free memory was 20.4 MB in the beginning and 24.9 MB in the end (delta: -4.6 MB). Peak memory consumption was 42.9 MB. Max. memory is 14.3 GB. * Witness Printer took 54.75 ms. Allocated memory is still 76.5 MB. Free memory was 24.9 MB in the beginning and 22.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(n) and consists of 5 locations. The remainder module has 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 7 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf99 lsp97 ukn47 mio100 lsp28 div100 bol100 ite100 ukn100 eq196 hnf92 smp100 dnf136 smp100 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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: 565]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@6dc25869=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c317a75=0, curr=-1, \result=0, x=0, NULL=1, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@368516e=0, x=-1, \old(n)=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16652bca=0, x=-1, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@6dc25869=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36b4899a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16652bca=-1, n=1, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36b4899a=0, NULL=0, n=1, \result=-1, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c317a75=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 565]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L571] int n = __VERIFIER_nondet_int(); [L572] COND FALSE !(n < 1) [L557] node_t* x = malloc(sizeof(node_t)); [L558] x->val = n [L559] CALL, EXPR new_lseg(x,n-1) [L548] COND TRUE n==0 [L549] return p; [L559] RET, EXPR new_lseg(x,n-1) [L559] x->next = new_lseg(x,n-1) [L560] return x; [L575] node_t* x = new_cll(n); [L564] node_t* curr = head; Loop: [L565] COND TRUE curr != ((void *)0) [L566] EXPR curr->next [L566] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...