./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/java_AG313-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 b64613d278f1b2a5aec6d84cb3470147257700f5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:34:21,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:34:21,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:34:21,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:34:21,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:34:21,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:34:21,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:34:21,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:34:21,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:34:21,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:34:21,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:34:21,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:34:21,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:34:21,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:34:21,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:34:21,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:34:21,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:34:21,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:34:21,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:34:21,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:34:21,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:34:21,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:34:21,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:34:21,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:34:21,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:34:21,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:34:21,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:34:21,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:34:21,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:34:21,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:34:21,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:34:21,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:34:21,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:34:21,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:34:21,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:34:21,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:34:21,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:34:21,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:34:21,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:34:21,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:34:21,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:34:21,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:34:21,649 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:34:21,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:34:21,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:34:21,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:34:21,651 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:34:21,651 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:34:21,652 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:34:21,652 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:34:21,652 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:34:21,652 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:34:21,652 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:34:21,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:34:21,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:34:21,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:34:21,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:34:21,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:34:21,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:34:21,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:34:21,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:34:21,654 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:34:21,655 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:34:21,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:34:21,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:34:21,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:34:21,656 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:34:21,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:34:21,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:34:21,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:34:21,656 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:34:21,657 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:34:21,658 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 -> b64613d278f1b2a5aec6d84cb3470147257700f5 [2019-11-28 20:34:21,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:34:21,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:34:21,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:34:22,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:34:22,001 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:34:22,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2019-11-28 20:34:22,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546f9bf37/2ed2fbd8bf48402e870b3b40aaf5d8ce/FLAG4c1151a82 [2019-11-28 20:34:22,625 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:34:22,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2019-11-28 20:34:22,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546f9bf37/2ed2fbd8bf48402e870b3b40aaf5d8ce/FLAG4c1151a82 [2019-11-28 20:34:22,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546f9bf37/2ed2fbd8bf48402e870b3b40aaf5d8ce [2019-11-28 20:34:22,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:34:22,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:34:22,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:34:22,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:34:22,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:34:22,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:34:22" (1/1) ... [2019-11-28 20:34:22,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4091a57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:22, skipping insertion in model container [2019-11-28 20:34:22,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:34:22" (1/1) ... [2019-11-28 20:34:22,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:34:23,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:34:23,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:34:23,521 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:34:23,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:34:23,630 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:34:23,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23 WrapperNode [2019-11-28 20:34:23,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:34:23,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:34:23,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:34:23,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:34:23,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:34:23,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:34:23,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:34:23,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:34:23,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... [2019-11-28 20:34:23,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:34:23,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:34:23,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:34:23,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:34:23,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:34:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:34:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:34:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:34:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:34:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:34:24,220 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:34:24,220 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 20:34:24,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:24 BoogieIcfgContainer [2019-11-28 20:34:24,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:34:24,222 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:34:24,223 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:34:24,225 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:34:24,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:24,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:34:22" (1/3) ... [2019-11-28 20:34:24,227 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@354831e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:34:24, skipping insertion in model container [2019-11-28 20:34:24,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:24,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:23" (2/3) ... [2019-11-28 20:34:24,228 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@354831e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:34:24, skipping insertion in model container [2019-11-28 20:34:24,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:24,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:24" (3/3) ... [2019-11-28 20:34:24,230 INFO L371 chiAutomizerObserver]: Analyzing ICFG java_AG313-alloca.i [2019-11-28 20:34:24,273 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:34:24,273 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:34:24,273 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:34:24,274 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:34:24,274 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:34:24,274 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:34:24,274 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:34:24,274 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:34:24,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 20:34:24,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:34:24,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:24,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:24,315 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:34:24,315 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:34:24,315 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:34:24,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 20:34:24,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:34:24,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:24,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:24,318 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:34:24,318 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:34:24,326 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;quot_#in~x, quot_#in~y := main_#t~nondet13, main_#t~nondet14;havoc quot_#res;havoc quot_#t~malloc2.base, quot_#t~malloc2.offset, quot_#t~malloc3.base, quot_#t~malloc3.offset, quot_#t~malloc4.base, quot_#t~malloc4.offset, quot_#t~mem5, quot_#t~mem9, quot_#t~mem10, quot_#t~mem11, quot_#t~mem6, quot_#t~mem7, quot_#t~short8, quot_#t~mem12, quot_~x, quot_~y, quot_~x_ref~0.base, quot_~x_ref~0.offset, quot_~y_ref~0.base, quot_~y_ref~0.offset, quot_~i~0.base, quot_~i~0.offset;quot_~x := quot_#in~x;quot_~y := quot_#in~y;call quot_#t~malloc2.base, quot_#t~malloc2.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0.base, quot_~x_ref~0.offset := quot_#t~malloc2.base, quot_#t~malloc2.offset;call quot_#t~malloc3.base, quot_#t~malloc3.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0.base, quot_~y_ref~0.offset := quot_#t~malloc3.base, quot_#t~malloc3.offset;call quot_#t~malloc4.base, quot_#t~malloc4.offset := #Ultimate.allocOnStack(4);quot_~i~0.base, quot_~i~0.offset := quot_#t~malloc4.base, quot_#t~malloc4.offset;call write~int(quot_~x, quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call write~int(quot_~y, quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(0, quot_~i~0.base, quot_~i~0.offset, 4);call quot_#t~mem5 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4); 10#L555true assume !(0 == quot_#t~mem5);havoc quot_#t~mem5; 7#L556-5true [2019-11-28 20:34:24,326 INFO L796 eck$LassoCheckResult]: Loop: 7#L556-5true call quot_#t~mem6 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem6 > 0; 11#L556-1true assume !quot_#t~short8; 4#L556-3true assume !!quot_#t~short8;havoc quot_#t~short8;havoc quot_#t~mem7;havoc quot_#t~mem6;call quot_#t~mem9 := read~int(quot_~i~0.base, quot_~i~0.offset, 4);call write~int(1 + quot_#t~mem9, quot_~i~0.base, quot_~i~0.offset, 4);havoc quot_#t~mem9;call quot_#t~mem10 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call quot_#t~mem11 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(quot_#t~mem10 - 1 - (quot_#t~mem11 - 1), quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);havoc quot_#t~mem11;havoc quot_#t~mem10; 7#L556-5true [2019-11-28 20:34:24,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:24,333 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-28 20:34:24,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:24,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221457267] [2019-11-28 20:34:24,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:24,538 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:24,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:24,539 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2019-11-28 20:34:24,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:24,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851192639] [2019-11-28 20:34:24,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:24,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851192639] [2019-11-28 20:34:24,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:34:24,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:34:24,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179072442] [2019-11-28 20:34:24,613 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:34:24,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:34:24,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:34:24,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:34:24,633 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-28 20:34:24,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:34:24,666 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-11-28 20:34:24,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:34:24,669 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-11-28 20:34:24,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:34:24,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2019-11-28 20:34:24,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-28 20:34:24,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-28 20:34:24,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2019-11-28 20:34:24,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:34:24,677 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-28 20:34:24,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2019-11-28 20:34:24,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-28 20:34:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 20:34:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-28 20:34:24,704 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-28 20:34:24,704 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-28 20:34:24,704 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:34:24,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2019-11-28 20:34:24,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:34:24,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:24,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:24,705 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:34:24,706 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:34:24,706 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;quot_#in~x, quot_#in~y := main_#t~nondet13, main_#t~nondet14;havoc quot_#res;havoc quot_#t~malloc2.base, quot_#t~malloc2.offset, quot_#t~malloc3.base, quot_#t~malloc3.offset, quot_#t~malloc4.base, quot_#t~malloc4.offset, quot_#t~mem5, quot_#t~mem9, quot_#t~mem10, quot_#t~mem11, quot_#t~mem6, quot_#t~mem7, quot_#t~short8, quot_#t~mem12, quot_~x, quot_~y, quot_~x_ref~0.base, quot_~x_ref~0.offset, quot_~y_ref~0.base, quot_~y_ref~0.offset, quot_~i~0.base, quot_~i~0.offset;quot_~x := quot_#in~x;quot_~y := quot_#in~y;call quot_#t~malloc2.base, quot_#t~malloc2.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0.base, quot_~x_ref~0.offset := quot_#t~malloc2.base, quot_#t~malloc2.offset;call quot_#t~malloc3.base, quot_#t~malloc3.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0.base, quot_~y_ref~0.offset := quot_#t~malloc3.base, quot_#t~malloc3.offset;call quot_#t~malloc4.base, quot_#t~malloc4.offset := #Ultimate.allocOnStack(4);quot_~i~0.base, quot_~i~0.offset := quot_#t~malloc4.base, quot_#t~malloc4.offset;call write~int(quot_~x, quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call write~int(quot_~y, quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(0, quot_~i~0.base, quot_~i~0.offset, 4);call quot_#t~mem5 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4); 33#L555 assume !(0 == quot_#t~mem5);havoc quot_#t~mem5; 35#L556-5 [2019-11-28 20:34:24,706 INFO L796 eck$LassoCheckResult]: Loop: 35#L556-5 call quot_#t~mem6 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem6 > 0; 37#L556-1 assume quot_#t~short8;call quot_#t~mem7 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem7 > 0; 34#L556-3 assume !!quot_#t~short8;havoc quot_#t~short8;havoc quot_#t~mem7;havoc quot_#t~mem6;call quot_#t~mem9 := read~int(quot_~i~0.base, quot_~i~0.offset, 4);call write~int(1 + quot_#t~mem9, quot_~i~0.base, quot_~i~0.offset, 4);havoc quot_#t~mem9;call quot_#t~mem10 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call quot_#t~mem11 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(quot_#t~mem10 - 1 - (quot_#t~mem11 - 1), quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);havoc quot_#t~mem11;havoc quot_#t~mem10; 35#L556-5 [2019-11-28 20:34:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-11-28 20:34:24,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:24,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325697033] [2019-11-28 20:34:24,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:24,760 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:24,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:24,761 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2019-11-28 20:34:24,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:24,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553485220] [2019-11-28 20:34:24,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:24,805 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:24,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:24,806 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2019-11-28 20:34:24,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:24,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117293847] [2019-11-28 20:34:24,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:24,914 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:25,146 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-11-28 20:34:25,705 WARN L192 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2019-11-28 20:34:25,901 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-28 20:34:25,916 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:25,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:25,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:25,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:25,918 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:25,918 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:25,918 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:25,918 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:25,919 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313-alloca.i_Iteration2_Lasso [2019-11-28 20:34:25,919 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:25,919 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:25,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:25,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:26,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:26,438 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-11-28 20:34:26,667 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-11-28 20:34:26,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:26,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:26,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:27,410 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:27,414 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:27,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:27,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,473 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:27,498 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 [2019-11-28 20:34:27,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:27,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:27,520 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:27,525 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:27,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:27,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:27,566 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 [2019-11-28 20:34:27,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:27,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 20:34:27,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:27,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:27,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,665 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 [2019-11-28 20:34:27,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:27,685 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 [2019-11-28 20:34:27,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:27,710 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 [2019-11-28 20:34:27,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:27,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:27,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:27,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:27,731 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:27,745 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 [2019-11-28 20:34:27,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:27,774 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) [2019-11-28 20:34:27,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,814 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 [2019-11-28 20:34:27,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:27,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:27,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:27,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:27,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:27,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:27,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:27,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:27,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:27,949 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-28 20:34:27,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:27,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:27,958 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-28 20:34:27,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:27,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:28,092 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-28 20:34:28,092 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 17 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 [2019-11-28 20:34:28,133 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:34:28,144 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:34:28,144 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:28,145 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0.base) ULTIMATE.start_quot_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0.base) ULTIMATE.start_quot_~x_ref~0.offset)_1 Supporting invariants [] [2019-11-28 20:34:28,244 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-11-28 20:34:28,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:34:28,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:28,305 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-28 20:34:28,307 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:28,346 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-28 20:34:28,453 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 24 [2019-11-28 20:34:28,454 INFO L614 ElimStorePlain]: treesize reduction 65, result has 34.3 percent of original size [2019-11-28 20:34:28,455 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:34:28,456 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:68, output treesize:17 [2019-11-28 20:34:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:28,495 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:34:28,496 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:28,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:34:28,546 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:34:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:28,601 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-28 20:34:28,603 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2019-11-28 20:34:28,711 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2019-11-28 20:34:28,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:34:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2019-11-28 20:34:28,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-28 20:34:28,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:28,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 20:34:28,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:28,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-28 20:34:28,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:28,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2019-11-28 20:34:28,719 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:28,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-28 20:34:28,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:34:28,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:34:28,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:34:28,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:34:28,720 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:28,720 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:28,720 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:28,721 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:34:28,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:34:28,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:28,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:34:28,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:34:28 BoogieIcfgContainer [2019-11-28 20:34:28,729 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:34:28,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:34:28,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:34:28,734 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:34:28,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:24" (3/4) ... [2019-11-28 20:34:28,746 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:34:28,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:34:28,753 INFO L168 Benchmark]: Toolchain (without parser) took 5808.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 956.3 MB in the beginning and 931.6 MB in the end (delta: 24.7 MB). Peak memory consumption was 229.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:28,754 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:28,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:28,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:28,757 INFO L168 Benchmark]: Boogie Preprocessor took 59.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:28,757 INFO L168 Benchmark]: RCFGBuilder took 452.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:28,761 INFO L168 Benchmark]: BuchiAutomizer took 4506.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 931.6 MB in the end (delta: 157.3 MB). Peak memory consumption was 229.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:28,761 INFO L168 Benchmark]: Witness Printer took 16.20 ms. Allocated memory is still 1.2 GB. Free memory is still 931.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:28,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 690.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 452.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4506.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 931.6 MB in the end (delta: 157.3 MB). Peak memory consumption was 229.7 MB. Max. memory is 11.5 GB. * Witness Printer took 16.20 ms. Allocated memory is still 1.2 GB. Free memory is still 931.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital338 mio100 ax105 hnf100 lsp92 ukn56 mio100 lsp39 div100 bol100 ite100 ukn100 eq182 hnf88 smp94 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 202ms VariablesStem: 8 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...