./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:44:17,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:44:17,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:44:17,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:44:17,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:44:17,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:44:17,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:44:17,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:44:17,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:44:17,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:44:17,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:44:17,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:44:17,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:44:17,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:44:17,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:44:17,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:44:17,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:44:17,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:44:17,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:44:17,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:44:17,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:44:17,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:44:17,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:44:17,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:44:17,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:44:17,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:44:17,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:44:17,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:44:17,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:44:17,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:44:17,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:44:17,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:44:17,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:44:17,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:44:17,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:44:17,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:44:17,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:44:17,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:44:17,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:44:17,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:44:17,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:44:17,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:44:17,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:44:17,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:44:17,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:44:17,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:44:17,394 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:44:17,394 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:44:17,395 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:44:17,395 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:44:17,395 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:44:17,395 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:44:17,396 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:44:17,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:44:17,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:44:17,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:44:17,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:44:17,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:44:17,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:44:17,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:44:17,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:44:17,399 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:44:17,400 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:44:17,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:44:17,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:44:17,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:44:17,401 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:44:17,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:44:17,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:44:17,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:44:17,402 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:44:17,403 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:44:17,404 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 [2020-10-19 18:44:17,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:44:17,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:44:17,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:44:17,742 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:44:17,743 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:44:17,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2020-10-19 18:44:17,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a27bc554/12b9c8b6733f41a798681ffe7a79c69d/FLAG6f9a39668 [2020-10-19 18:44:18,313 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:44:18,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2020-10-19 18:44:18,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a27bc554/12b9c8b6733f41a798681ffe7a79c69d/FLAG6f9a39668 [2020-10-19 18:44:18,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a27bc554/12b9c8b6733f41a798681ffe7a79c69d [2020-10-19 18:44:18,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:44:18,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:44:18,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:44:18,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:44:18,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:44:18,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:44:18" (1/1) ... [2020-10-19 18:44:18,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184db9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:18, skipping insertion in model container [2020-10-19 18:44:18,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:44:18" (1/1) ... [2020-10-19 18:44:18,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:44:18,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:44:19,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:44:19,135 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:44:19,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:44:19,269 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:44:19,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19 WrapperNode [2020-10-19 18:44:19,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:44:19,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:44:19,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:44:19,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:44:19,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:44:19,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:44:19,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:44:19,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:44:19,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... [2020-10-19 18:44:19,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:44:19,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:44:19,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:44:19,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:44:19,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:44:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:44:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:44:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:44:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:44:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:44:19,758 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:44:19,758 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-19 18:44:19,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:44:19 BoogieIcfgContainer [2020-10-19 18:44:19,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:44:19,761 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:44:19,761 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:44:19,764 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:44:19,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:44:19,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:44:18" (1/3) ... [2020-10-19 18:44:19,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ba057ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:44:19, skipping insertion in model container [2020-10-19 18:44:19,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:44:19,767 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:44:19" (2/3) ... [2020-10-19 18:44:19,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ba057ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:44:19, skipping insertion in model container [2020-10-19 18:44:19,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:44:19,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:44:19" (3/3) ... [2020-10-19 18:44:19,770 INFO L373 chiAutomizerObserver]: Analyzing ICFG Avery-2006FLOPS-Tabel1_true-alloca.i [2020-10-19 18:44:19,824 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:44:19,824 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:44:19,824 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:44:19,825 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:44:19,825 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:44:19,825 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:44:19,826 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:44:19,826 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:44:19,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-19 18:44:19,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 18:44:19,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:44:19,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:44:19,865 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:44:19,865 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:44:19,865 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:44:19,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-19 18:44:19,868 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 18:44:19,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:44:19,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:44:19,868 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:44:19,868 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:44:19,875 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 5#L556true assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 7#L556-2true assume !subxy_#t~short9;havoc subxy_#t~mem7;havoc subxy_#t~mem8;havoc subxy_#t~short9; 6#L559-3true [2020-10-19 18:44:19,875 INFO L796 eck$LassoCheckResult]: Loop: 6#L559-3true call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 3#L559-1true assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~post12;havoc subxy_#t~mem11;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem13;havoc subxy_#t~post14; 6#L559-3true [2020-10-19 18:44:19,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:19,880 INFO L82 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2020-10-19 18:44:19,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:44:19,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179812034] [2020-10-19 18:44:19,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:44:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:20,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:20,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:20,138 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:44:20,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:20,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times [2020-10-19 18:44:20,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:44:20,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663529557] [2020-10-19 18:44:20,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:44:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:20,151 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:20,158 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:20,161 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:44:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:20,163 INFO L82 PathProgramCache]: Analyzing trace with hash 889572334, now seen corresponding path program 1 times [2020-10-19 18:44:20,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:44:20,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362439276] [2020-10-19 18:44:20,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:44:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:20,208 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:20,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:20,254 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:44:21,408 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 152 DAG size of output: 120 [2020-10-19 18:44:21,686 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-19 18:44:21,703 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:44:21,704 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:44:21,705 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:44:21,705 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:44:21,705 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:44:21,705 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:21,706 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:44:21,706 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:44:21,706 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration1_Lasso [2020-10-19 18:44:21,706 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:44:21,707 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:44:21,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:21,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,328 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2020-10-19 18:44:22,444 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-19 18:44:22,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:22,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:23,069 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:44:23,075 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:23,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:23,171 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:44:23,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:23,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:23,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:23,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:44:23,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:44:23,419 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:23,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:23,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:23,461 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:44:23,485 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:23,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:23,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:23,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,549 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 [2020-10-19 18:44:23,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:23,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:23,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:23,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:23,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:23,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:23,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:23,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:23,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:23,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:23,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:23,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:23,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:23,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:23,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:23,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:23,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:23,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:23,737 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:44:23,851 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-19 18:44:23,851 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:23,865 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:44:23,878 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:44:23,878 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:44:23,879 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1 Supporting invariants [] [2020-10-19 18:44:24,046 INFO L297 tatePredicateManager]: 30 out of 32 supporting invariants were superfluous and have been removed [2020-10-19 18:44:24,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:44:24,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:44:24,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:44:24,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:44:24,174 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2020-10-19 18:44:24,184 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:44:24,195 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:44:24,198 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:44:24,198 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:9 [2020-10-19 18:44:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:44:24,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:44:24,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:44:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:44:24,246 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-19 18:44:24,248 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2020-10-19 18:44:24,342 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 32 states and 41 transitions. Complement of second has 9 states. [2020-10-19 18:44:24,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:44:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 18:44:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-10-19 18:44:24,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-19 18:44:24,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:44:24,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-19 18:44:24,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:44:24,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-19 18:44:24,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:44:24,352 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2020-10-19 18:44:24,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:44:24,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 12 states and 15 transitions. [2020-10-19 18:44:24,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 18:44:24,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 18:44:24,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2020-10-19 18:44:24,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:44:24,362 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-10-19 18:44:24,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2020-10-19 18:44:24,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2020-10-19 18:44:24,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-19 18:44:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-10-19 18:44:24,393 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-10-19 18:44:24,393 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-10-19 18:44:24,393 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:44:24,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-10-19 18:44:24,394 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:44:24,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:44:24,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:44:24,395 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:44:24,395 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:44:24,395 INFO L794 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 226#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 227#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 234#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem7;havoc subxy_#t~mem8;havoc subxy_#t~short9; 235#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 228#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 229#L563-2 [2020-10-19 18:44:24,396 INFO L796 eck$LassoCheckResult]: Loop: 229#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 233#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem15;havoc subxy_#t~mem16;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem17;havoc subxy_#t~post18;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~post20;havoc subxy_#t~mem19; 229#L563-2 [2020-10-19 18:44:24,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:24,396 INFO L82 PathProgramCache]: Analyzing trace with hash 889572332, now seen corresponding path program 1 times [2020-10-19 18:44:24,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:44:24,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066458748] [2020-10-19 18:44:24,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:44:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:44:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:44:24,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066458748] [2020-10-19 18:44:24,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:44:24,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 18:44:24,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932886512] [2020-10-19 18:44:24,580 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 18:44:24,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:24,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-10-19 18:44:24,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:44:24,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400606865] [2020-10-19 18:44:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:44:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:24,588 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:24,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:24,597 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:44:24,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:44:24,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 18:44:24,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:44:24,670 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 6 states. [2020-10-19 18:44:24,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:44:24,774 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2020-10-19 18:44:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 18:44:24,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-10-19 18:44:24,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:44:24,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2020-10-19 18:44:24,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-19 18:44:24,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-19 18:44:24,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2020-10-19 18:44:24,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:44:24,779 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-19 18:44:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2020-10-19 18:44:24,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-10-19 18:44:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-19 18:44:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-10-19 18:44:24,782 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-10-19 18:44:24,782 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-10-19 18:44:24,783 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 18:44:24,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-10-19 18:44:24,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:44:24,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:44:24,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:44:24,786 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-19 18:44:24,786 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:44:24,787 INFO L794 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 263#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 264#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 272#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem7;havoc subxy_#t~mem8;havoc subxy_#t~short9; 271#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 267#L559-1 assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~post12;havoc subxy_#t~mem11;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem13;havoc subxy_#t~post14; 268#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 265#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 266#L563-2 [2020-10-19 18:44:24,787 INFO L796 eck$LassoCheckResult]: Loop: 266#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 270#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem15;havoc subxy_#t~mem16;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem17;havoc subxy_#t~post18;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~post20;havoc subxy_#t~mem19; 266#L563-2 [2020-10-19 18:44:24,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:24,787 INFO L82 PathProgramCache]: Analyzing trace with hash 180521649, now seen corresponding path program 1 times [2020-10-19 18:44:24,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:44:24,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879135104] [2020-10-19 18:44:24,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:44:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:24,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:24,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:24,899 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:44:24,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:24,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2020-10-19 18:44:24,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:44:24,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449867530] [2020-10-19 18:44:24,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:44:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:24,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:24,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:24,915 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:44:24,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:24,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1682613814, now seen corresponding path program 1 times [2020-10-19 18:44:24,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:44:24,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327329400] [2020-10-19 18:44:24,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:44:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:24,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:44:24,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:44:24,985 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:44:26,539 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 174 DAG size of output: 137 [2020-10-19 18:44:27,062 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-19 18:44:27,067 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:44:27,067 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:44:27,067 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:44:27,067 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:44:27,067 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:44:27,067 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:27,067 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:44:27,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:44:27,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration3_Lasso [2020-10-19 18:44:27,068 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:44:27,068 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:44:27,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,725 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2020-10-19 18:44:27,873 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-10-19 18:44:27,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:27,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:44:28,589 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:44:28,590 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:28,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:28,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:28,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:28,668 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) [2020-10-19 18:44:28,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,706 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 [2020-10-19 18:44:28,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:28,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:44:28,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:44:28,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:28,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:28,826 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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:28,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:28,884 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) [2020-10-19 18:44:28,907 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:28,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:28,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:28,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:28,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:28,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:28,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:28,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:28,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:28,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:28,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:28,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:28,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:44:29,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:29,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:29,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:29,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:44:29,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:29,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:29,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:29,047 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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:44:29,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:44:29,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:44:29,074 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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,096 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 [2020-10-19 18:44:29,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:29,137 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) [2020-10-19 18:44:29,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:29,236 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) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:29,280 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) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:29,308 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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:29,362 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) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:29,395 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 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:29,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:44:29,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:44:29,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:44:29,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:44:29,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:44:29,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:44:29,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:44:29,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:44:29,472 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:44:29,488 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-19 18:44:29,488 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-19 18:44:29,490 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:44:29,492 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:44:29,493 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:44:29,493 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2 Supporting invariants [] [2020-10-19 18:44:29,682 INFO L297 tatePredicateManager]: 35 out of 37 supporting invariants were superfluous and have been removed [2020-10-19 18:44:29,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:44:29,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:44:29,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:44:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:44:29,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:44:29,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:44:29,770 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2020-10-19 18:44:29,773 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:44:29,780 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:44:29,783 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:44:29,783 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:9 [2020-10-19 18:44:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:44:29,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:44:29,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:44:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:44:29,814 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-19 18:44:29,814 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 4 states. [2020-10-19 18:44:29,853 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 12 states and 15 transitions. Complement of second has 5 states. [2020-10-19 18:44:29,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 18:44:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 18:44:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-10-19 18:44:29,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2020-10-19 18:44:29,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:44:29,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2020-10-19 18:44:29,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:44:29,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2020-10-19 18:44:29,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:44:29,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2020-10-19 18:44:29,856 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:44:29,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-10-19 18:44:29,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:44:29,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:44:29,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:44:29,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:44:29,856 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:44:29,856 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:44:29,857 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:44:29,857 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 18:44:29,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:44:29,857 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:44:29,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:44:29,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:44:29 BoogieIcfgContainer [2020-10-19 18:44:29,863 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:44:29,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:44:29,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:44:29,863 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:44:29,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:44:19" (3/4) ... [2020-10-19 18:44:29,867 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:44:29,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:44:29,868 INFO L168 Benchmark]: Toolchain (without parser) took 11259.76 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 958.6 MB in the beginning and 1.2 GB in the end (delta: -275.6 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:44:29,869 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:44:29,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:44:29,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:44:29,871 INFO L168 Benchmark]: Boogie Preprocessor took 26.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:44:29,872 INFO L168 Benchmark]: RCFGBuilder took 413.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:44:29,872 INFO L168 Benchmark]: BuchiAutomizer took 10101.96 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 158.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -114.0 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:44:29,873 INFO L168 Benchmark]: Witness Printer took 3.61 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:44:29,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 655.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 413.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10101.96 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 158.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -114.0 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.61 ms. Allocated memory is still 1.4 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[i][i] + unknown-#memory_int-unknown[y_ref][y_ref] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 9.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 24 SDslu, 16 SDs, 0 SdLazy, 44 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital780 mio100 ax102 hnf99 lsp96 ukn30 mio100 lsp35 div100 bol100 ite100 ukn100 eq193 hnf87 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...