./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-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 30ab881e1a71a9d76a9921c34ce47cc9425d2331 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:37:25,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:37:25,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:37:25,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:37:25,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:37:25,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:37:25,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:37:25,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:37:25,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:37:25,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:37:25,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:37:25,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:37:25,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:37:25,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:37:25,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:37:25,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:37:25,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:37:25,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:37:25,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:37:25,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:37:25,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:37:25,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:37:25,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:37:25,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:37:25,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:37:25,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:37:25,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:37:25,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:37:25,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:37:25,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:37:25,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:37:25,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:37:25,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:37:25,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:37:25,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:37:25,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:37:25,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:37:25,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:37:25,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:37:25,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:37:25,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:37:25,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:37:25,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:37:25,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:37:25,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:37:25,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:37:25,749 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:37:25,750 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:37:25,750 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:37:25,750 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:37:25,750 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:37:25,750 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:37:25,751 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:37:25,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:37:25,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:37:25,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:37:25,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:37:25,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:37:25,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:37:25,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:37:25,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:37:25,754 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:37:25,754 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:37:25,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:37:25,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:37:25,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:37:25,755 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:37:25,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:37:25,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:37:25,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:37:25,756 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:37:25,757 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:37:25,758 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 -> 30ab881e1a71a9d76a9921c34ce47cc9425d2331 [2020-10-20 06:37:25,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:37:26,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:37:26,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:37:26,012 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:37:26,014 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:37:26,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca.i [2020-10-20 06:37:26,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4774675f1/f86464a9c79241baad4dab9ee7467c72/FLAG11f81819b [2020-10-20 06:37:26,639 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:37:26,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca.i [2020-10-20 06:37:26,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4774675f1/f86464a9c79241baad4dab9ee7467c72/FLAG11f81819b [2020-10-20 06:37:26,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4774675f1/f86464a9c79241baad4dab9ee7467c72 [2020-10-20 06:37:26,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:37:26,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:37:26,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:37:26,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:37:26,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:37:26,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:37:26" (1/1) ... [2020-10-20 06:37:26,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d06007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:26, skipping insertion in model container [2020-10-20 06:37:26,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:37:26" (1/1) ... [2020-10-20 06:37:26,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:37:26,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:37:27,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:37:27,227 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:37:27,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:37:27,323 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:37:27,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27 WrapperNode [2020-10-20 06:37:27,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:37:27,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:37:27,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:37:27,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:37:27,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:37:27,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:37:27,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:37:27,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:37:27,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... [2020-10-20 06:37:27,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:37:27,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:37:27,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:37:27,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:37:27,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:37:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:37:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:37:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:37:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:37:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:37:27,766 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:37:27,767 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:37:27,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:27 BoogieIcfgContainer [2020-10-20 06:37:27,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:37:27,770 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:37:27,770 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:37:27,774 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:37:27,775 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:27,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:37:26" (1/3) ... [2020-10-20 06:37:27,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46526559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:37:27, skipping insertion in model container [2020-10-20 06:37:27,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:27,776 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:27" (2/3) ... [2020-10-20 06:37:27,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46526559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:37:27, skipping insertion in model container [2020-10-20 06:37:27,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:27,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:27" (3/3) ... [2020-10-20 06:37:27,779 INFO L373 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig3-alloca.i [2020-10-20 06:37:27,832 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:37:27,832 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:37:27,832 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:37:27,833 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:37:27,833 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:37:27,833 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:37:27,833 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:37:27,834 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:37:27,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 06:37:27,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:37:27,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:27,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:27,886 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:37:27,886 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:37:27,886 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:37:27,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 06:37:27,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:37:27,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:27,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:27,888 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:37:27,888 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:37:27,895 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet7, main_#t~mem8, main_#t~nondet9, main_#t~mem10, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 11#L551-2true [2020-10-20 06:37:27,896 INFO L796 eck$LassoCheckResult]: Loop: 11#L551-2true call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 12#L550-1true assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 6#L550-3true assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 7#L551true assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem8; 11#L551-2true [2020-10-20 06:37:27,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:27,901 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:37:27,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:27,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030592703] [2020-10-20 06:37:27,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:28,022 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:28,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:28,060 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:28,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:28,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2020-10-20 06:37:28,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:28,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311998877] [2020-10-20 06:37:28,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:28,079 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:28,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:28,096 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:28,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:28,098 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2020-10-20 06:37:28,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:28,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399357228] [2020-10-20 06:37:28,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:28,156 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:28,218 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:28,234 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:28,389 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-20 06:37:28,589 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-10-20 06:37:28,674 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:28,675 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:28,675 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:28,676 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:28,676 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:28,676 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:28,676 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:28,676 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:28,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca.i_Iteration1_Lasso [2020-10-20 06:37:28,677 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:28,677 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:28,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:28,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:28,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:28,893 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-20 06:37:28,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:28,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:28,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:29,452 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:29,457 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:29,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:29,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:29,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:29,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:29,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:29,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:29,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:29,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:29,489 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) [2020-10-20 06:37:29,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:29,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:29,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:29,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:29,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:29,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:29,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:29,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:29,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:29,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:29,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:29,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:29,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:29,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:29,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:29,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:29,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:29,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:29,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:29,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:29,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:29,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:29,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:29,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:29,652 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) [2020-10-20 06:37:29,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:29,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:29,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:29,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:29,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:29,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:29,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:29,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:29,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:29,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:29,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:29,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:29,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:29,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:29,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:29,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:29,772 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:29,780 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:37:29,780 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:29,798 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:29,798 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:37:29,798 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:29,799 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:29,992 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-10-20 06:37:29,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:37:30,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:30,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:37:30,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:30,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:37:30,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:30,141 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:37:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:30,224 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:37:30,226 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2020-10-20 06:37:30,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 40 states and 48 transitions. Complement of second has 10 states. [2020-10-20 06:37:30,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2020-10-20 06:37:30,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 06:37:30,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:30,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-20 06:37:30,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:30,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2020-10-20 06:37:30,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:30,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2020-10-20 06:37:30,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:37:30,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 16 states and 22 transitions. [2020-10-20 06:37:30,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-20 06:37:30,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-10-20 06:37:30,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2020-10-20 06:37:30,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:30,339 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2020-10-20 06:37:30,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2020-10-20 06:37:30,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2020-10-20 06:37:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 06:37:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2020-10-20 06:37:30,368 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-10-20 06:37:30,368 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-10-20 06:37:30,368 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:37:30,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2020-10-20 06:37:30,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:37:30,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:30,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:30,370 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:37:30,370 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:37:30,370 INFO L794 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 144#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet7, main_#t~mem8, main_#t~nondet9, main_#t~mem10, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 145#L551-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 153#L550-1 assume !main_#t~short6; 146#L550-3 assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 147#L551 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(main_#t~nondet9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem10; 151#L551-2 [2020-10-20 06:37:30,371 INFO L796 eck$LassoCheckResult]: Loop: 151#L551-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 155#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 157#L550-3 assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 156#L551 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem8; 151#L551-2 [2020-10-20 06:37:30,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:30,371 INFO L82 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2020-10-20 06:37:30,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:30,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962863881] [2020-10-20 06:37:30,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:30,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:30,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962863881] [2020-10-20 06:37:30,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:37:30,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:37:30,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304468826] [2020-10-20 06:37:30,420 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:37:30,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:30,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 2 times [2020-10-20 06:37:30,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:30,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127470757] [2020-10-20 06:37:30,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:30,430 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:30,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:30,439 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:30,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:37:30,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:37:30,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:37:30,580 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-20 06:37:30,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:37:30,593 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2020-10-20 06:37:30,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:37:30,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2020-10-20 06:37:30,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:37:30,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2020-10-20 06:37:30,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-20 06:37:30,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-20 06:37:30,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2020-10-20 06:37:30,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:30,597 INFO L691 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-20 06:37:30,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2020-10-20 06:37:30,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-20 06:37:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 06:37:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2020-10-20 06:37:30,600 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-20 06:37:30,600 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-20 06:37:30,600 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:37:30,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2020-10-20 06:37:30,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:37:30,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:30,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:30,602 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:37:30,602 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:37:30,602 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 181#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet7, main_#t~mem8, main_#t~nondet9, main_#t~mem10, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 182#L551-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 191#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 184#L550-3 assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 185#L551 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(main_#t~nondet9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem10; 188#L551-2 [2020-10-20 06:37:30,603 INFO L796 eck$LassoCheckResult]: Loop: 188#L551-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 190#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 194#L550-3 assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 193#L551 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem8; 188#L551-2 [2020-10-20 06:37:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:30,603 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2020-10-20 06:37:30,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:30,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999502056] [2020-10-20 06:37:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:30,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:30,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:30,657 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:30,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:30,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 3 times [2020-10-20 06:37:30,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:30,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605858220] [2020-10-20 06:37:30,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:30,678 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:30,690 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:30,694 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:30,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:30,697 INFO L82 PathProgramCache]: Analyzing trace with hash -980235887, now seen corresponding path program 1 times [2020-10-20 06:37:30,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:30,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769118184] [2020-10-20 06:37:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:30,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:30,768 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:30,789 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:31,185 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 72 [2020-10-20 06:37:31,277 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:31,277 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:31,277 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:31,277 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:31,277 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:31,277 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:31,277 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:31,278 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:31,278 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca.i_Iteration3_Lasso [2020-10-20 06:37:31,278 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:31,278 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:31,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:31,921 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:31,922 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:31,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:31,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:31,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:31,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:31,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:31,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:31,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:31,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:31,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:31,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:31,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:31,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:31,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:31,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:31,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:31,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:31,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:31,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,016 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 [2020-10-20 06:37:32,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,025 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) [2020-10-20 06:37:32,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:32,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:32,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:32,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:32,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:32,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:32,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:32,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:32,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:32,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,252 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:37:32,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,253 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:37:32,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:32,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:32,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:32,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:32,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:32,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:32,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:32,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:32,499 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:32,507 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 06:37:32,507 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:32,509 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:32,513 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:32,513 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:32,513 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 Supporting invariants [] [2020-10-20 06:37:32,571 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-10-20 06:37:32,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:37:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:32,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:37:32,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:32,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:37:32,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:32,623 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:37:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:32,662 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:37:32,662 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-10-20 06:37:32,694 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 22 states and 27 transitions. Complement of second has 7 states. [2020-10-20 06:37:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-10-20 06:37:32,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-20 06:37:32,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:32,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 06:37:32,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:32,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 8 letters. [2020-10-20 06:37:32,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:32,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2020-10-20 06:37:32,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:37:32,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 27 transitions. [2020-10-20 06:37:32,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-20 06:37:32,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-10-20 06:37:32,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2020-10-20 06:37:32,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:32,700 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-20 06:37:32,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2020-10-20 06:37:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-20 06:37:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-20 06:37:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-10-20 06:37:32,703 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-20 06:37:32,703 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-20 06:37:32,703 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:37:32,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2020-10-20 06:37:32,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:37:32,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:32,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:32,704 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1] [2020-10-20 06:37:32,705 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:37:32,705 INFO L794 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 316#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet7, main_#t~mem8, main_#t~nondet9, main_#t~mem10, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 317#L551-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 333#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 332#L550-3 assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 330#L551 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(main_#t~nondet9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem10; 329#L551-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 327#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 318#L550-3 assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 319#L551 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(main_#t~nondet9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem10; 323#L551-2 [2020-10-20 06:37:32,705 INFO L796 eck$LassoCheckResult]: Loop: 323#L551-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 325#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 328#L550-3 assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 331#L551 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem8; 323#L551-2 [2020-10-20 06:37:32,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:32,705 INFO L82 PathProgramCache]: Analyzing trace with hash -980235885, now seen corresponding path program 2 times [2020-10-20 06:37:32,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:32,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448044001] [2020-10-20 06:37:32,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:32,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:32,733 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:32,737 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:32,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:32,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 4 times [2020-10-20 06:37:32,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:32,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254436956] [2020-10-20 06:37:32,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:32,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:32,748 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:32,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:32,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:32,754 INFO L82 PathProgramCache]: Analyzing trace with hash -987685255, now seen corresponding path program 2 times [2020-10-20 06:37:32,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:32,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972107876] [2020-10-20 06:37:32,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:32,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:32,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:32,788 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:33,333 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 95 [2020-10-20 06:37:33,466 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-20 06:37:33,469 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:33,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:33,470 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:33,470 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:33,470 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:33,470 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:33,470 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:33,470 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:33,470 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca.i_Iteration4_Lasso [2020-10-20 06:37:33,470 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:33,470 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:33,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,661 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-10-20 06:37:33,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:33,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:34,199 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:34,199 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:34,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:34,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:34,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:34,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:34,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:34,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:34,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:34,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:34,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:34,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,386 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 [2020-10-20 06:37:34,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:34,409 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) [2020-10-20 06:37:34,432 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:34,463 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 [2020-10-20 06:37:34,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:34,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:34,495 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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,519 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 [2020-10-20 06:37:34,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:34,525 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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:34,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:34,562 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) [2020-10-20 06:37:34,584 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:34,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:34,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:34,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:34,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:34,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:34,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:34,592 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:34,599 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-20 06:37:34,599 INFO L444 ModelExtractionUtils]: 2 out of 7 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 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 [2020-10-20 06:37:34,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:34,604 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:34,604 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:34,604 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3 Supporting invariants [] [2020-10-20 06:37:34,665 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-10-20 06:37:34,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:37:34,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:34,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:37:34,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:34,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:37:34,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:34,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:37:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:34,771 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:37:34,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-10-20 06:37:34,814 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 28 states and 35 transitions. Complement of second has 7 states. [2020-10-20 06:37:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-10-20 06:37:34,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 06:37:34,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:34,818 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-20 06:37:34,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:34,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:37:34,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:34,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:37:34,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:34,865 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:37:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:34,905 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:37:34,905 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-10-20 06:37:34,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 28 states and 35 transitions. Complement of second has 7 states. [2020-10-20 06:37:34,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-10-20 06:37:34,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 06:37:34,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:34,938 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-20 06:37:34,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:34,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:37:34,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:34,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:37:34,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:34,989 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:37:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:35,034 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:37:35,034 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-10-20 06:37:35,072 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 32 states and 40 transitions. Complement of second has 6 states. [2020-10-20 06:37:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-10-20 06:37:35,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 06:37:35,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:35,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 4 letters. [2020-10-20 06:37:35,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:35,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 8 letters. [2020-10-20 06:37:35,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:35,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2020-10-20 06:37:35,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-10-20 06:37:35,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 32 transitions. [2020-10-20 06:37:35,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-10-20 06:37:35,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-10-20 06:37:35,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2020-10-20 06:37:35,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:35,082 INFO L691 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2020-10-20 06:37:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2020-10-20 06:37:35,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 10. [2020-10-20 06:37:35,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-20 06:37:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-10-20 06:37:35,084 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-10-20 06:37:35,084 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-10-20 06:37:35,084 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 06:37:35,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-10-20 06:37:35,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-10-20 06:37:35,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:35,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:35,085 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:37:35,086 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:37:35,086 INFO L794 eck$LassoCheckResult]: Stem: 642#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 640#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet7, main_#t~mem8, main_#t~nondet9, main_#t~mem10, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 641#L551-2 [2020-10-20 06:37:35,086 INFO L796 eck$LassoCheckResult]: Loop: 641#L551-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := main_#t~mem4 > 0; 649#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 643#L550-3 assume !!main_#t~short6;havoc main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4; 644#L551 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(main_#t~nondet9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem10; 641#L551-2 [2020-10-20 06:37:35,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:35,086 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2020-10-20 06:37:35,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:35,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312508103] [2020-10-20 06:37:35,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:35,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:35,094 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:35,096 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:35,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1142249, now seen corresponding path program 1 times [2020-10-20 06:37:35,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:35,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544587312] [2020-10-20 06:37:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:35,103 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:35,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:35,109 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:35,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:35,110 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2020-10-20 06:37:35,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:35,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72177717] [2020-10-20 06:37:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:35,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:35,125 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:35,128 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:35,239 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-10-20 06:37:35,414 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:35,414 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:35,414 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:35,414 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:35,414 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:35,415 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:35,415 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:35,415 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:35,415 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca.i_Iteration5_Lasso [2020-10-20 06:37:35,415 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:35,415 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:35,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:35,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:36,022 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:36,022 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:36,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:36,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:36,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:36,032 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 [2020-10-20 06:37:36,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:36,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:36,060 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 [2020-10-20 06:37:36,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:36,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:36,089 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) [2020-10-20 06:37:36,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:36,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:36,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:36,127 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) [2020-10-20 06:37:36,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:36,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:36,181 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 [2020-10-20 06:37:36,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:36,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:36,233 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 [2020-10-20 06:37:36,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:36,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:36,264 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 [2020-10-20 06:37:36,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:36,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:36,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:36,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:36,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:36,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:36,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:36,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:36,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:36,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:36,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:36,318 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:36,321 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:37:36,321 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:36,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:36,323 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:37:36,324 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:36,324 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_4 Supporting invariants [] [2020-10-20 06:37:36,371 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2020-10-20 06:37:36,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:37:36,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:36,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:37:36,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:36,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:37:36,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:36,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:37:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:36,483 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:37:36,483 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand 5 states. [2020-10-20 06:37:36,560 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3. Second operand 5 states. Result 26 states and 33 transitions. Complement of second has 8 states. [2020-10-20 06:37:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 06:37:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-10-20 06:37:36,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 06:37:36,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:36,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-20 06:37:36,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:36,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 8 letters. [2020-10-20 06:37:36,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:36,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2020-10-20 06:37:36,564 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:37:36,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2020-10-20 06:37:36,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:37:36,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:37:36,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:37:36,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:37:36,565 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:36,565 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:36,566 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:36,566 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-20 06:37:36,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:37:36,566 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:37:36,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:37:36,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:37:36 BoogieIcfgContainer [2020-10-20 06:37:36,572 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:37:36,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:37:36,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:37:36,573 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:37:36,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:27" (3/4) ... [2020-10-20 06:37:36,577 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:37:36,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:37:36,579 INFO L168 Benchmark]: Toolchain (without parser) took 9727.02 ms. Allocated memory was 40.9 MB in the beginning and 83.9 MB in the end (delta: 43.0 MB). Free memory was 20.9 MB in the beginning and 39.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:36,581 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 33.0 MB. Free memory was 6.4 MB in the beginning and 6.4 MB in the end (delta: 68.2 kB). Peak memory consumption was 68.2 kB. Max. memory is 14.3 GB. [2020-10-20 06:37:36,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.02 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 20.1 MB in the beginning and 14.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:36,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.04 ms. Allocated memory is still 42.5 MB. Free memory was 14.1 MB in the beginning and 12.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:36,583 INFO L168 Benchmark]: Boogie Preprocessor took 31.29 ms. Allocated memory is still 42.5 MB. Free memory was 12.1 MB in the beginning and 26.5 MB in the end (delta: -14.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:36,584 INFO L168 Benchmark]: RCFGBuilder took 368.06 ms. Allocated memory is still 42.5 MB. Free memory was 26.3 MB in the beginning and 12.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:36,585 INFO L168 Benchmark]: BuchiAutomizer took 8802.33 ms. Allocated memory was 42.5 MB in the beginning and 83.9 MB in the end (delta: 41.4 MB). Free memory was 12.3 MB in the beginning and 39.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:36,585 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 83.9 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:37:36,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 33.0 MB. Free memory was 6.4 MB in the beginning and 6.4 MB in the end (delta: 68.2 kB). Peak memory consumption was 68.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 465.02 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 20.1 MB in the beginning and 14.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 45.04 ms. Allocated memory is still 42.5 MB. Free memory was 14.1 MB in the beginning and 12.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 31.29 ms. Allocated memory is still 42.5 MB. Free memory was 12.1 MB in the beginning and 26.5 MB in the end (delta: -14.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 368.06 ms. Allocated memory is still 42.5 MB. Free memory was 26.3 MB in the beginning and 12.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 8802.33 ms. Allocated memory was 42.5 MB in the beginning and 83.9 MB in the end (delta: 41.4 MB). Free memory was 12.3 MB in the beginning and 39.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 14.3 GB. * Witness Printer took 5.14 ms. Allocated memory is still 83.9 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 14.3 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 - 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 50 SDtfs, 47 SDslu, 18 SDs, 0 SdLazy, 74 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital247 mio100 ax109 hnf100 lsp86 ukn60 mio100 lsp40 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 8 VariablesLoop: 6 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...