./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/insertion_sort-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/insertion_sort-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67df9bfb6d520441572384e685c149d99c29f78c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:48:57,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:48:57,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:48:57,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:48:57,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:48:57,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:48:57,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:48:57,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:48:57,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:48:57,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:48:57,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:48:57,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:48:57,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:48:57,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:48:57,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:48:57,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:48:57,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:48:57,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:48:57,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:48:57,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:48:57,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:48:57,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:48:57,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:48:57,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:48:57,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:48:57,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:48:57,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:48:57,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:48:57,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:48:57,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:48:57,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:48:57,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:48:57,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:48:57,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:48:57,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:48:57,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:48:57,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:48:57,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:48:57,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:48:57,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:48:57,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:48:57,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:48:57,490 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:48:57,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:48:57,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:48:57,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:48:57,496 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:48:57,497 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:48:57,497 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:48:57,497 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:48:57,497 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:48:57,498 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:48:57,499 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:48:57,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:48:57,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:48:57,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:48:57,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:48:57,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:48:57,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:48:57,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:48:57,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:48:57,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:48:57,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:48:57,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:48:57,503 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:48:57,503 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:48:57,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:48:57,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:48:57,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:48:57,504 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:48:57,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:48:57,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:48:57,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:48:57,507 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:48:57,508 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:48:57,508 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67df9bfb6d520441572384e685c149d99c29f78c [2019-11-28 20:48:57,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:48:57,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:48:57,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:48:57,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:48:57,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:48:57,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/insertion_sort-2.c [2019-11-28 20:48:57,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19576dd7/88c980dfe0304984b0bc798fd100c749/FLAG1128c8976 [2019-11-28 20:48:58,414 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:48:58,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-2.c [2019-11-28 20:48:58,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19576dd7/88c980dfe0304984b0bc798fd100c749/FLAG1128c8976 [2019-11-28 20:48:58,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19576dd7/88c980dfe0304984b0bc798fd100c749 [2019-11-28 20:48:58,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:48:58,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:48:58,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:48:58,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:48:58,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:48:58,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:48:58" (1/1) ... [2019-11-28 20:48:58,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245d122c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:58, skipping insertion in model container [2019-11-28 20:48:58,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:48:58" (1/1) ... [2019-11-28 20:48:58,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:48:58,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:48:59,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:48:59,024 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:48:59,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:48:59,124 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:48:59,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59 WrapperNode [2019-11-28 20:48:59,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:48:59,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:48:59,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:48:59,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:48:59,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:48:59,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:48:59,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:48:59,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:48:59,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... [2019-11-28 20:48:59,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:48:59,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:48:59,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:48:59,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:48:59,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:48:59,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:48:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:48:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:48:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:48:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:48:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:48:59,543 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:48:59,543 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-28 20:48:59,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:48:59 BoogieIcfgContainer [2019-11-28 20:48:59,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:48:59,546 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:48:59,547 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:48:59,551 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:48:59,553 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:48:59,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:48:58" (1/3) ... [2019-11-28 20:48:59,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@307fd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:48:59, skipping insertion in model container [2019-11-28 20:48:59,555 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:48:59,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:59" (2/3) ... [2019-11-28 20:48:59,556 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@307fd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:48:59, skipping insertion in model container [2019-11-28 20:48:59,556 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:48:59,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:48:59" (3/3) ... [2019-11-28 20:48:59,558 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertion_sort-2.c [2019-11-28 20:48:59,610 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:48:59,610 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:48:59,610 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:48:59,611 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:48:59,611 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:48:59,611 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:48:59,611 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:48:59,612 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:48:59,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 20:48:59,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-28 20:48:59,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:48:59,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:48:59,662 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:48:59,663 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:48:59,663 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:48:59,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 20:48:59,665 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-28 20:48:59,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:48:59,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:48:59,666 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:48:59,666 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:48:59,675 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 11#L14-3true [2019-11-28 20:48:59,676 INFO L796 eck$LassoCheckResult]: Loop: 11#L14-3true assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 13#L17-5true assume !true; 12#L17-6true call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 14#L14-2true main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 11#L14-3true [2019-11-28 20:48:59,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:48:59,683 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:48:59,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:48:59,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410488540] [2019-11-28 20:48:59,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:48:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:59,879 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:48:59,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:48:59,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1249301, now seen corresponding path program 1 times [2019-11-28 20:48:59,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:48:59,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683922094] [2019-11-28 20:48:59,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:48:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:48:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:48:59,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683922094] [2019-11-28 20:48:59,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:48:59,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:48:59,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860329262] [2019-11-28 20:48:59,967 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:48:59,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:48:59,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 20:48:59,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 20:48:59,987 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-28 20:48:59,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:48:59,996 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-11-28 20:48:59,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:48:59,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-11-28 20:49:00,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-28 20:49:00,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 16 transitions. [2019-11-28 20:49:00,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 20:49:00,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 20:49:00,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-11-28 20:49:00,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:49:00,012 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-28 20:49:00,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-11-28 20:49:00,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-28 20:49:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 20:49:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-28 20:49:00,045 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-28 20:49:00,045 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-28 20:49:00,046 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:49:00,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-28 20:49:00,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-28 20:49:00,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:00,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:00,049 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:49:00,049 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:49:00,049 INFO L794 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 48#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 49#L14-3 [2019-11-28 20:49:00,050 INFO L796 eck$LassoCheckResult]: Loop: 49#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 55#L17-5 main_#t~short4 := main_~i~0 >= 0; 44#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 45#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 53#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 54#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 49#L14-3 [2019-11-28 20:49:00,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:00,050 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-28 20:49:00,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:00,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214899269] [2019-11-28 20:49:00,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:00,103 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:00,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:00,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1188208270, now seen corresponding path program 1 times [2019-11-28 20:49:00,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:00,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426385981] [2019-11-28 20:49:00,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:00,171 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:00,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:00,172 INFO L82 PathProgramCache]: Analyzing trace with hash 268257488, now seen corresponding path program 1 times [2019-11-28 20:49:00,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:00,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912417960] [2019-11-28 20:49:00,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:00,262 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:00,450 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-11-28 20:49:00,623 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-11-28 20:49:00,731 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:00,732 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:00,732 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:00,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:00,733 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:49:00,733 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:00,733 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:00,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:00,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration2_Lasso [2019-11-28 20:49:00,734 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:00,734 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:00,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:00,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:01,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:01,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:01,324 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-11-28 20:49:01,646 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-28 20:49:01,716 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:01,723 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) [2019-11-28 20:49:01,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:01,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:01,752 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) [2019-11-28 20:49:01,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:01,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,780 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 [2019-11-28 20:49:01,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:01,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:01,800 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) [2019-11-28 20:49:01,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:01,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:01,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:01,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,849 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) [2019-11-28 20:49:01,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:01,866 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) [2019-11-28 20:49:01,875 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:01,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:01,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:01,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:49:01,905 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) [2019-11-28 20:49:01,917 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:01,932 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) [2019-11-28 20:49:01,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:01,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:01,958 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 [2019-11-28 20:49:01,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:01,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:01,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:01,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:01,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:01,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:01,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:01,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:01,985 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) [2019-11-28 20:49:02,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:02,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:02,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:02,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:02,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:02,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:02,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:02,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:02,014 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) [2019-11-28 20:49:02,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:02,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:02,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:02,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:02,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:02,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:02,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:02,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:02,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:02,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:02,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:02,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:02,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:02,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:02,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:02,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:02,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:02,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:02,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:02,098 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-28 20:49:02,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:02,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:02,114 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-28 20:49:02,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:49:02,142 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:49:02,226 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 20:49:02,226 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:02,285 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:49:02,301 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:49:02,301 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:49:02,302 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1, ULTIMATE.start_main_~#v~0.offset, ULTIMATE.start_main_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1 - 1*ULTIMATE.start_main_~#v~0.offset - 4*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-11-28 20:49:02,318 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-28 20:49:02,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:49:02,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:02,380 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:49:02,381 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:02,401 INFO L264 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:49:02,403 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:02,423 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:49:02,424 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 20:49:02,496 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 25 states and 34 transitions. Complement of second has 6 states. [2019-11-28 20:49:02,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:49:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-28 20:49:02,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-28 20:49:02,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:02,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-28 20:49:02,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:02,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-28 20:49:02,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:02,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 34 transitions. [2019-11-28 20:49:02,507 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-28 20:49:02,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 25 transitions. [2019-11-28 20:49:02,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 20:49:02,508 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-28 20:49:02,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-28 20:49:02,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:49:02,509 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-28 20:49:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-28 20:49:02,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-28 20:49:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 20:49:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2019-11-28 20:49:02,513 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-11-28 20:49:02,513 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-11-28 20:49:02,514 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:49:02,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2019-11-28 20:49:02,515 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-28 20:49:02,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:02,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:02,517 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:49:02,517 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:49:02,518 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 143#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 144#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 151#L17-5 [2019-11-28 20:49:02,518 INFO L796 eck$LassoCheckResult]: Loop: 151#L17-5 main_#t~short4 := main_~i~0 >= 0; 137#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 138#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5;main_~i~0 := main_~i~0 - 1; 151#L17-5 [2019-11-28 20:49:02,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:02,518 INFO L82 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2019-11-28 20:49:02,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:02,519 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746959931] [2019-11-28 20:49:02,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:02,567 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:02,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:02,568 INFO L82 PathProgramCache]: Analyzing trace with hash 44790, now seen corresponding path program 1 times [2019-11-28 20:49:02,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:02,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312801705] [2019-11-28 20:49:02,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:02,583 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:02,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:02,583 INFO L82 PathProgramCache]: Analyzing trace with hash 889663632, now seen corresponding path program 1 times [2019-11-28 20:49:02,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:02,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551123352] [2019-11-28 20:49:02,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:02,632 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:02,903 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-11-28 20:49:03,017 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-11-28 20:49:03,021 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:03,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:03,021 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:03,021 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:03,021 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:49:03,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:03,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:03,022 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration3_Lasso [2019-11-28 20:49:03,022 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:03,022 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:03,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:03,379 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:03,379 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:03,393 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) [2019-11-28 20:49:03,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:03,431 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) [2019-11-28 20:49:03,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:03,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,481 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:03,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:03,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:03,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:49:03,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:03,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:03,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:03,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:03,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:03,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:03,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,644 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:49:03,665 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 20:49:03,666 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:03,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:03,677 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:49:03,677 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:49:03,677 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-11-28 20:49:03,691 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-28 20:49:03,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:03,726 INFO L264 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:49:03,727 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:03,739 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:49:03,740 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:03,780 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:49:03,780 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-11-28 20:49:03,837 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 69 states and 87 transitions. Complement of second has 9 states. [2019-11-28 20:49:03,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:49:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-28 20:49:03,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-28 20:49:03,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:03,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 20:49:03,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:03,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-28 20:49:03,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:03,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 87 transitions. [2019-11-28 20:49:03,849 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2019-11-28 20:49:03,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 45 states and 58 transitions. [2019-11-28 20:49:03,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-28 20:49:03,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-28 20:49:03,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2019-11-28 20:49:03,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:49:03,855 INFO L688 BuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2019-11-28 20:49:03,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2019-11-28 20:49:03,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 22. [2019-11-28 20:49:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 20:49:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2019-11-28 20:49:03,866 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-28 20:49:03,866 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-28 20:49:03,866 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:49:03,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2019-11-28 20:49:03,868 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-28 20:49:03,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:03,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:03,870 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 20:49:03,870 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:49:03,871 INFO L794 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 283#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 284#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 285#L14-4 main_~k~0 := 1; 281#L23-3 [2019-11-28 20:49:03,871 INFO L796 eck$LassoCheckResult]: Loop: 281#L23-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 282#L4 assume !(0 == __VERIFIER_assert_~cond); 295#L4-2 havoc main_#t~mem8;havoc main_#t~mem7; 286#L23-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 281#L23-3 [2019-11-28 20:49:03,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:03,871 INFO L82 PathProgramCache]: Analyzing trace with hash 925727, now seen corresponding path program 1 times [2019-11-28 20:49:03,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:03,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800217246] [2019-11-28 20:49:03,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:03,922 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:03,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:03,923 INFO L82 PathProgramCache]: Analyzing trace with hash 2285066, now seen corresponding path program 1 times [2019-11-28 20:49:03,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:03,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047262689] [2019-11-28 20:49:03,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:03,940 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:03,941 INFO L82 PathProgramCache]: Analyzing trace with hash 231194408, now seen corresponding path program 1 times [2019-11-28 20:49:03,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:03,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387191527] [2019-11-28 20:49:03,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:04,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387191527] [2019-11-28 20:49:04,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:49:04,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:49:04,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945203336] [2019-11-28 20:49:04,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:49:04,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:49:04,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:49:04,400 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 13 Second operand 4 states. [2019-11-28 20:49:04,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:49:04,512 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-11-28 20:49:04,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:49:04,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2019-11-28 20:49:04,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-28 20:49:04,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 24 states and 32 transitions. [2019-11-28 20:49:04,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 20:49:04,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 20:49:04,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2019-11-28 20:49:04,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:49:04,517 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-28 20:49:04,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2019-11-28 20:49:04,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2019-11-28 20:49:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 20:49:04,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-28 20:49:04,522 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-28 20:49:04,522 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-28 20:49:04,522 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 20:49:04,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-11-28 20:49:04,526 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-28 20:49:04,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:04,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:04,527 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:49:04,528 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:49:04,528 INFO L794 eck$LassoCheckResult]: Stem: 346#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 342#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 343#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 349#L17-5 main_#t~short4 := main_~i~0 >= 0; 338#L17-1 assume !main_#t~short4; 339#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 347#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 348#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 350#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 352#L17-5 [2019-11-28 20:49:04,528 INFO L796 eck$LassoCheckResult]: Loop: 352#L17-5 main_#t~short4 := main_~i~0 >= 0; 336#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 337#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5;main_~i~0 := main_~i~0 - 1; 352#L17-5 [2019-11-28 20:49:04,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:04,529 INFO L82 PathProgramCache]: Analyzing trace with hash -272105412, now seen corresponding path program 1 times [2019-11-28 20:49:04,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:04,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304949351] [2019-11-28 20:49:04,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:04,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304949351] [2019-11-28 20:49:04,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:49:04,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:49:04,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051149036] [2019-11-28 20:49:04,575 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:49:04,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:04,575 INFO L82 PathProgramCache]: Analyzing trace with hash 44790, now seen corresponding path program 2 times [2019-11-28 20:49:04,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:04,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149823850] [2019-11-28 20:49:04,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:04,592 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:04,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:49:04,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:49:04,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:49:04,693 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-28 20:49:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:49:04,761 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2019-11-28 20:49:04,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:49:04,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-28 20:49:04,763 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-28 20:49:04,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 53 transitions. [2019-11-28 20:49:04,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-28 20:49:04,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-28 20:49:04,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2019-11-28 20:49:04,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:49:04,767 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2019-11-28 20:49:04,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2019-11-28 20:49:04,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2019-11-28 20:49:04,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 20:49:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-11-28 20:49:04,772 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-28 20:49:04,772 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-28 20:49:04,772 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 20:49:04,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2019-11-28 20:49:04,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-28 20:49:04,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:04,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:04,775 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:49:04,775 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:49:04,776 INFO L794 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 417#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 418#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 424#L17-5 main_#t~short4 := main_~i~0 >= 0; 413#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 414#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 422#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 423#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 425#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 419#L14-4 main_~k~0 := 1; 415#L23-3 [2019-11-28 20:49:04,776 INFO L796 eck$LassoCheckResult]: Loop: 415#L23-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 416#L4 assume !(0 == __VERIFIER_assert_~cond); 429#L4-2 havoc main_#t~mem8;havoc main_#t~mem7; 420#L23-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 415#L23-3 [2019-11-28 20:49:04,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:04,777 INFO L82 PathProgramCache]: Analyzing trace with hash 97408492, now seen corresponding path program 1 times [2019-11-28 20:49:04,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:04,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917910858] [2019-11-28 20:49:04,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:04,838 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:04,838 INFO L82 PathProgramCache]: Analyzing trace with hash 2285066, now seen corresponding path program 2 times [2019-11-28 20:49:04,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:04,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116914552] [2019-11-28 20:49:04,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:04,864 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:04,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:04,864 INFO L82 PathProgramCache]: Analyzing trace with hash 699287157, now seen corresponding path program 1 times [2019-11-28 20:49:04,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:04,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479559712] [2019-11-28 20:49:04,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:04,949 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:05,268 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-11-28 20:49:05,432 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2019-11-28 20:49:05,436 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:05,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:05,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:05,437 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:05,437 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:49:05,437 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:05,437 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:05,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:05,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration6_Lasso [2019-11-28 20:49:05,437 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:05,437 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:05,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:05,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:06,113 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:06,113 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:06,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:06,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:06,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:06,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:06,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:06,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:06,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:06,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:06,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:06,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:06,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:06,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:06,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:06,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:06,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:06,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:06,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:06,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:06,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:06,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:06,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:06,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:06,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:06,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,306 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:49:06,377 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-28 20:49:06,377 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:06,382 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:06,385 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 20:49:06,385 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:49:06,385 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~k~0) = 4294967295*ULTIMATE.start_main_~j~0 - 2*ULTIMATE.start_main_~k~0 Supporting invariants [8589934590*ULTIMATE.start_main_~j~0 - 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3 + 1*ULTIMATE.start_main_~#v~0.offset >= 0] [2019-11-28 20:49:06,410 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 20:49:06,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:06,448 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:49:06,449 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:06,484 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-11-28 20:49:06,484 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:49:06,524 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:49:06,539 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2019-11-28 20:49:06,540 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:49:06,590 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:49:06,592 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-11-28 20:49:06,592 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:50, output treesize:48 [2019-11-28 20:49:06,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:49:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:06,769 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:49:06,770 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:06,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:06,795 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-28 20:49:06,795 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-28 20:49:06,934 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 35 states and 45 transitions. Complement of second has 6 states. [2019-11-28 20:49:06,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:49:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2019-11-28 20:49:06,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-28 20:49:06,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:06,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 14 letters. Loop has 4 letters. [2019-11-28 20:49:06,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:06,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-28 20:49:06,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:06,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2019-11-28 20:49:06,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:49:06,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 26 states and 34 transitions. [2019-11-28 20:49:06,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-28 20:49:06,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-28 20:49:06,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-11-28 20:49:06,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:49:06,940 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-28 20:49:06,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-11-28 20:49:06,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-11-28 20:49:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 20:49:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2019-11-28 20:49:06,943 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-28 20:49:06,943 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-28 20:49:06,943 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-28 20:49:06,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 32 transitions. [2019-11-28 20:49:06,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:49:06,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:06,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:06,945 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2019-11-28 20:49:06,945 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:49:06,946 INFO L794 eck$LassoCheckResult]: Stem: 574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 572#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 573#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 579#L17-5 main_#t~short4 := main_~i~0 >= 0; 595#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 591#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 583#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 584#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 580#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 581#L17-5 main_#t~short4 := main_~i~0 >= 0; 575#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 576#L17-3 [2019-11-28 20:49:06,946 INFO L796 eck$LassoCheckResult]: Loop: 576#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5;main_~i~0 := main_~i~0 - 1; 587#L17-5 main_#t~short4 := main_~i~0 >= 0; 590#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 576#L17-3 [2019-11-28 20:49:06,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:06,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1275302755, now seen corresponding path program 2 times [2019-11-28 20:49:06,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:06,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891168740] [2019-11-28 20:49:06,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:06,977 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:06,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:06,978 INFO L82 PathProgramCache]: Analyzing trace with hash 55260, now seen corresponding path program 3 times [2019-11-28 20:49:06,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:06,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974420046] [2019-11-28 20:49:06,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:06,987 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:06,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:06,988 INFO L82 PathProgramCache]: Analyzing trace with hash 736351680, now seen corresponding path program 1 times [2019-11-28 20:49:06,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:06,989 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323908463] [2019-11-28 20:49:06,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:07,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:07,133 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2019-11-28 20:49:07,553 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 97 [2019-11-28 20:49:07,949 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-11-28 20:49:07,952 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:07,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:07,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:07,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:07,952 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:49:07,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:07,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:07,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:07,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration7_Lasso [2019-11-28 20:49:07,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:07,953 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:07,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:07,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:07,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:07,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:07,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:07,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:08,299 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-11-28 20:49:08,457 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-11-28 20:49:08,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:08,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:08,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:08,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:08,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:08,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:08,884 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2019-11-28 20:49:09,014 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:09,014 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:09,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:09,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,022 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 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:09,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:09,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:09,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:09,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:09,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:09,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:09,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:09,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:09,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:09,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:09,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,130 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-28 20:49:09,130 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:49:09,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,147 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-28 20:49:09,147 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 20:49:09,183 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:09,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:09,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:09,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:09,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:09,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:09,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:09,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:49:09,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:49:09,265 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:49:09,301 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-11-28 20:49:09,301 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:09,306 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:09,308 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:49:09,309 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:49:09,309 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-28 20:49:09,323 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-28 20:49:09,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:09,346 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:49:09,347 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:09,354 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:49:09,355 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:09,384 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:49:09,385 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 20:49:09,450 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 52 states and 69 transitions. Complement of second has 9 states. [2019-11-28 20:49:09,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:49:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-28 20:49:09,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-28 20:49:09,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:09,451 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:49:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:09,476 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:49:09,477 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:09,483 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:49:09,483 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:09,514 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:49:09,514 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 20:49:09,570 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 43 states and 54 transitions. Complement of second has 9 states. [2019-11-28 20:49:09,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:49:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2019-11-28 20:49:09,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-28 20:49:09,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:09,571 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:49:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:09,603 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:49:09,604 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:09,613 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:49:09,613 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:09,643 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:49:09,643 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 20:49:09,713 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 77 states and 107 transitions. Complement of second has 10 states. [2019-11-28 20:49:09,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:49:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-11-28 20:49:09,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-28 20:49:09,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:09,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 14 letters. Loop has 3 letters. [2019-11-28 20:49:09,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:09,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 6 letters. [2019-11-28 20:49:09,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:09,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 107 transitions. [2019-11-28 20:49:09,722 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:49:09,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2019-11-28 20:49:09,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:49:09,723 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:49:09,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:49:09,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:49:09,723 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:09,723 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:09,723 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:09,723 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-28 20:49:09,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:49:09,724 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:49:09,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:49:09,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:49:09 BoogieIcfgContainer [2019-11-28 20:49:09,739 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:49:09,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:49:09,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:49:09,740 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:49:09,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:48:59" (3/4) ... [2019-11-28 20:49:09,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:49:09,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:49:09,751 INFO L168 Benchmark]: Toolchain (without parser) took 10934.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 257.4 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -213.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:09,752 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:49:09,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:09,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:49:09,756 INFO L168 Benchmark]: Boogie Preprocessor took 36.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:09,756 INFO L168 Benchmark]: RCFGBuilder took 330.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:09,759 INFO L168 Benchmark]: BuchiAutomizer took 10192.62 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -126.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:09,759 INFO L168 Benchmark]: Witness Printer took 9.35 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:49:09,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10192.62 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -126.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * Witness Printer took 9.35 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (3 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[v] + -1 * v + -4 * j and consists of 4 locations. One deterministic module has affine ranking function 2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function 4294967295 * j + -2 * k and consists of 5 locations. One nondeterministic module has affine ranking function i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.1s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 8.4s. Construction of modules took 0.2s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 40 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 165 SDslu, 87 SDs, 0 SdLazy, 174 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital231 mio100 ax100 hnf99 lsp84 ukn77 mio100 lsp67 div199 bol100 ite100 ukn100 eq150 hnf60 smp88 dnf138 smp80 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 7 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...