./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/insertionsort-alloca-2.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 8104a25549f6efe413528ca8cc098e1acad610e4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:21:35,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:21:35,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:21:35,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:21:35,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:21:35,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:21:35,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:21:35,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:21:35,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:21:35,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:21:35,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:21:35,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:21:35,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:21:35,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:21:35,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:21:35,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:21:35,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:21:35,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:21:35,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:21:35,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:21:35,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:21:35,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:21:35,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:21:35,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:21:35,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:21:35,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:21:35,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:21:35,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:21:35,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:21:35,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:21:35,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:21:35,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:21:35,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:21:35,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:21:35,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:21:35,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:21:35,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:21:35,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:21:35,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:21:35,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:21:35,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:21:35,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:21:35,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:21:35,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:21:35,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:21:35,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:21:35,695 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:21:35,695 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:21:35,695 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:21:35,696 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:21:35,696 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:21:35,696 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:21:35,697 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:21:35,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:21:35,698 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:21:35,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:21:35,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:21:35,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:21:35,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:21:35,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:21:35,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:21:35,699 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:21:35,699 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:21:35,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:21:35,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:21:35,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:21:35,700 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:21:35,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:21:35,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:21:35,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:21:35,701 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:21:35,703 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:21:35,703 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8104a25549f6efe413528ca8cc098e1acad610e4 [2020-10-26 04:21:36,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:21:36,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:21:36,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:21:36,173 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:21:36,174 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:21:36,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2020-10-26 04:21:36,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9deba068d/0c5184bde1f04322b5e0885507b33df8/FLAGd7d107361 [2020-10-26 04:21:37,039 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:21:37,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2020-10-26 04:21:37,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9deba068d/0c5184bde1f04322b5e0885507b33df8/FLAGd7d107361 [2020-10-26 04:21:37,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9deba068d/0c5184bde1f04322b5e0885507b33df8 [2020-10-26 04:21:37,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:21:37,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:21:37,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:21:37,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:21:37,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:21:37,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:37,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2a013f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37, skipping insertion in model container [2020-10-26 04:21:37,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:37,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:21:37,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:21:37,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:21:37,737 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:21:37,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:21:37,885 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:21:37,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37 WrapperNode [2020-10-26 04:21:37,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:21:37,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:21:37,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:21:37,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:21:37,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:37,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:37,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:21:37,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:21:37,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:21:37,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:21:37,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:37,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:37,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:37,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:38,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:38,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:38,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (1/1) ... [2020-10-26 04:21:38,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:21:38,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:21:38,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:21:38,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:21:38,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (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 [2020-10-26 04:21:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:21:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:21:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:21:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:21:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:21:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:21:38,531 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:21:38,532 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-26 04:21:38,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:21:38 BoogieIcfgContainer [2020-10-26 04:21:38,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:21:38,536 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:21:38,536 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:21:38,541 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:21:38,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:21:38,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:21:37" (1/3) ... [2020-10-26 04:21:38,544 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@217452ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:21:38, skipping insertion in model container [2020-10-26 04:21:38,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:21:38,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:37" (2/3) ... [2020-10-26 04:21:38,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@217452ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:21:38, skipping insertion in model container [2020-10-26 04:21:38,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:21:38,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:21:38" (3/3) ... [2020-10-26 04:21:38,548 INFO L373 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-2.i [2020-10-26 04:21:38,611 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:21:38,611 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:21:38,612 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:21:38,612 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:21:38,612 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:21:38,612 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:21:38,613 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:21:38,613 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:21:38,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-10-26 04:21:38,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-26 04:21:38,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:38,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:38,661 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:21:38,661 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:21:38,661 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:21:38,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-10-26 04:21:38,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-26 04:21:38,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:38,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:38,665 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:21:38,665 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:21:38,674 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 16#L560true assume !(main_~array_size~0 < 1); 5#L560-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 6#L550-3true [2020-10-26 04:21:38,675 INFO L796 eck$LassoCheckResult]: Loop: 6#L550-3true assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 8#L553-6true assume !true; 9#L553-7true call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 3#L550-2true insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 6#L550-3true [2020-10-26 04:21:38,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:38,683 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-10-26 04:21:38,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:38,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381178230] [2020-10-26 04:21:38,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:38,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:38,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:38,858 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:38,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:38,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1465782, now seen corresponding path program 1 times [2020-10-26 04:21:38,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:38,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632282174] [2020-10-26 04:21:38,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:38,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632282174] [2020-10-26 04:21:38,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:21:38,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:21:38,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567916646] [2020-10-26 04:21:38,931 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 04:21:38,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:21:38,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-26 04:21:38,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-26 04:21:38,954 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2020-10-26 04:21:38,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:21:38,964 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2020-10-26 04:21:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:21:38,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2020-10-26 04:21:38,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-26 04:21:38,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 14 transitions. [2020-10-26 04:21:38,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-10-26 04:21:38,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-10-26 04:21:38,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2020-10-26 04:21:38,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:21:38,978 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-26 04:21:39,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2020-10-26 04:21:39,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-26 04:21:39,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-26 04:21:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2020-10-26 04:21:39,013 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-26 04:21:39,014 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-26 04:21:39,014 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:21:39,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2020-10-26 04:21:39,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-26 04:21:39,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:39,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:39,017 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:21:39,017 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:21:39,017 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 43#L560 assume !(main_~array_size~0 < 1); 44#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 41#L550-3 [2020-10-26 04:21:39,018 INFO L796 eck$LassoCheckResult]: Loop: 41#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 39#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 46#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 47#L553-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 48#L553-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 40#L550-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 41#L550-3 [2020-10-26 04:21:39,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:39,019 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2020-10-26 04:21:39,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:39,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54814684] [2020-10-26 04:21:39,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:39,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:39,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:39,059 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:39,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:39,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1394338221, now seen corresponding path program 1 times [2020-10-26 04:21:39,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:39,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136113911] [2020-10-26 04:21:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:39,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:39,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:39,154 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:39,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:39,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1897689455, now seen corresponding path program 1 times [2020-10-26 04:21:39,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:39,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202216744] [2020-10-26 04:21:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:39,182 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:39,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:39,212 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:39,412 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-10-26 04:21:39,623 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-26 04:21:39,695 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:21:39,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:21:39,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:21:39,696 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:21:39,696 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:21:39,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:39,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:21:39,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:21:39,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration2_Lasso [2020-10-26 04:21:39,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:21:39,698 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:21:39,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:39,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:40,121 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-26 04:21:40,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:40,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:40,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:40,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:40,641 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:21:40,647 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) [2020-10-26 04:21:40,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:40,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:40,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:40,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:40,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:40,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:40,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:40,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:40,676 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) [2020-10-26 04:21:40,714 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:40,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:40,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:40,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:40,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:40,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:40,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:40,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:40,726 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 [2020-10-26 04:21:40,755 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 [2020-10-26 04:21:40,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:40,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:40,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:40,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:40,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:40,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:40,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:40,761 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 [2020-10-26 04:21:40,792 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 [2020-10-26 04:21:40,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:40,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:40,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:40,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:40,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:40,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:40,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:40,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:40,822 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 [2020-10-26 04:21:40,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:40,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:40,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:40,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:40,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:40,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:40,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:40,874 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 [2020-10-26 04:21:40,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:40,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:40,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:40,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:40,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:40,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:40,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:40,879 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 [2020-10-26 04:21:40,905 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 [2020-10-26 04:21:40,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:40,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:40,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:40,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:40,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:40,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:40,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:40,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:40,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:40,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:40,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:40,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:40,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:40,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:40,997 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) [2020-10-26 04:21:41,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:41,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:41,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:41,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:41,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:41,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:41,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:41,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:41,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:41,100 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 [2020-10-26 04:21:41,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:41,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:41,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:41,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:41,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:41,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:41,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:41,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:41,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:41,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:41,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:41,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:41,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:41,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:41,197 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 [2020-10-26 04:21:41,231 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 [2020-10-26 04:21:41,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:41,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:41,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:41,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:41,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:41,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:41,243 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 [2020-10-26 04:21:41,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:41,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:41,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:41,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:41,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:41,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:41,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:41,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:41,284 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 [2020-10-26 04:21:41,309 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 [2020-10-26 04:21:41,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:41,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:41,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:41,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:41,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:41,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:41,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:41,314 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 [2020-10-26 04:21:41,339 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 [2020-10-26 04:21:41,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:41,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:41,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:41,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:41,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:41,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:41,379 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:21:41,435 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-10-26 04:21:41,436 INFO L444 ModelExtractionUtils]: 23 out of 37 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:41,449 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:41,453 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:21:41,453 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:21:41,454 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_insertionSort_~a.base)_1, ULTIMATE.start_insertionSort_~a.offset, ULTIMATE.start_insertionSort_~i~0) = 1*v_rep(select #length ULTIMATE.start_insertionSort_~a.base)_1 - 1*ULTIMATE.start_insertionSort_~a.offset - 4*ULTIMATE.start_insertionSort_~i~0 Supporting invariants [] [2020-10-26 04:21:41,638 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-10-26 04:21:41,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 04:21:41,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:41,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:21:41,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:41,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:21:41,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:41,765 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:21:41,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-10-26 04:21:41,878 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 19 states and 25 transitions. Complement of second has 4 states. [2020-10-26 04:21:41,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:21:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:21:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-10-26 04:21:41,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-26 04:21:41,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:41,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2020-10-26 04:21:41,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:41,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 12 letters. [2020-10-26 04:21:41,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:41,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2020-10-26 04:21:41,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:21:41,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 23 transitions. [2020-10-26 04:21:41,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-26 04:21:41,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-26 04:21:41,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2020-10-26 04:21:41,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:21:41,888 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-10-26 04:21:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2020-10-26 04:21:41,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2020-10-26 04:21:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-26 04:21:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2020-10-26 04:21:41,891 INFO L714 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2020-10-26 04:21:41,891 INFO L594 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2020-10-26 04:21:41,891 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:21:41,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2020-10-26 04:21:41,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:21:41,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:41,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:41,892 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:21:41,893 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:21:41,893 INFO L794 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 140#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 141#L560 assume !(main_~array_size~0 < 1); 142#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 143#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 135#L553-6 [2020-10-26 04:21:41,893 INFO L796 eck$LassoCheckResult]: Loop: 135#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 144#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 147#L553-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 134#L553-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 135#L553-6 [2020-10-26 04:21:41,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:41,894 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2020-10-26 04:21:41,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:41,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886775878] [2020-10-26 04:21:41,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:41,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:41,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:41,922 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:41,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:41,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 1 times [2020-10-26 04:21:41,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:41,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880187364] [2020-10-26 04:21:41,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:41,932 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:41,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:41,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:41,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:41,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1185710257, now seen corresponding path program 1 times [2020-10-26 04:21:41,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:41,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187542857] [2020-10-26 04:21:41,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:41,958 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:41,973 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:41,977 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:42,306 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-10-26 04:21:42,382 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:21:42,383 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:21:42,383 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:21:42,383 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:21:42,383 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:21:42,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:42,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:21:42,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:21:42,384 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration3_Lasso [2020-10-26 04:21:42,384 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:21:42,384 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:21:42,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,605 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-10-26 04:21:42,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:42,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:43,124 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:21:43,124 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:43,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:43,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:43,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:43,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:43,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:43,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:43,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:43,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:43,149 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:43,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:43,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:43,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:43,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:43,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:43,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:43,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:43,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:43,198 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 [2020-10-26 04:21:43,243 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 [2020-10-26 04:21:43,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:43,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:43,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:43,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:43,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:43,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:43,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:43,249 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) [2020-10-26 04:21:43,294 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 [2020-10-26 04:21:43,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:43,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:43,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:43,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:43,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:43,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:43,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:43,302 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) [2020-10-26 04:21:43,343 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 [2020-10-26 04:21:43,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:43,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:43,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:43,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:43,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:43,352 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 [2020-10-26 04:21:43,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:43,395 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 [2020-10-26 04:21:43,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:43,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:43,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:43,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:43,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:43,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:43,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:43,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:43,439 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 [2020-10-26 04:21:43,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:43,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:43,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:43,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:43,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:43,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:43,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:43,494 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 [2020-10-26 04:21:43,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:43,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:43,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:43,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:43,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:43,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:43,528 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:21:43,555 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-26 04:21:43,555 INFO L444 ModelExtractionUtils]: 29 out of 37 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:43,558 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:43,561 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:21:43,562 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:21:43,562 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2020-10-26 04:21:43,604 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-10-26 04:21:43,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:43,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:21:43,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:43,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:21:43,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:43,690 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 [2020-10-26 04:21:43,690 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-10-26 04:21:43,752 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 47 states and 62 transitions. Complement of second has 9 states. [2020-10-26 04:21:43,752 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 [2020-10-26 04:21:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:21:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-10-26 04:21:43,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-26 04:21:43,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:43,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-26 04:21:43,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:43,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2020-10-26 04:21:43,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:43,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2020-10-26 04:21:43,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:21:43,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 30 states and 40 transitions. [2020-10-26 04:21:43,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-26 04:21:43,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-26 04:21:43,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2020-10-26 04:21:43,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:21:43,760 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-26 04:21:43,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2020-10-26 04:21:43,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2020-10-26 04:21:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-26 04:21:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2020-10-26 04:21:43,764 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2020-10-26 04:21:43,764 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2020-10-26 04:21:43,765 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:21:43,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2020-10-26 04:21:43,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:21:43,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:43,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:43,766 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:21:43,766 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:21:43,767 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 274#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 275#L560 assume !(main_~array_size~0 < 1); 276#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 277#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 271#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 283#L553-1 assume !insertionSort_#t~short6; 284#L553-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 285#L553-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 272#L550-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 273#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 269#L553-6 [2020-10-26 04:21:43,767 INFO L796 eck$LassoCheckResult]: Loop: 269#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 278#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 282#L553-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 268#L553-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 269#L553-6 [2020-10-26 04:21:43,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:43,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1303016098, now seen corresponding path program 1 times [2020-10-26 04:21:43,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:43,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015934133] [2020-10-26 04:21:43,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:43,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015934133] [2020-10-26 04:21:43,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:21:43,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 04:21:43,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069048605] [2020-10-26 04:21:43,818 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:21:43,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:43,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 2 times [2020-10-26 04:21:43,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:43,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242776113] [2020-10-26 04:21:43,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:43,825 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:43,831 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:43,833 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:43,968 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-26 04:21:43,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:21:43,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:21:43,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:21:43,997 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand 5 states. [2020-10-26 04:21:44,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:21:44,093 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-10-26 04:21:44,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:21:44,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2020-10-26 04:21:44,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:21:44,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 50 transitions. [2020-10-26 04:21:44,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-26 04:21:44,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-10-26 04:21:44,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 50 transitions. [2020-10-26 04:21:44,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:21:44,097 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-10-26 04:21:44,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 50 transitions. [2020-10-26 04:21:44,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2020-10-26 04:21:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-26 04:21:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2020-10-26 04:21:44,110 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-10-26 04:21:44,110 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-10-26 04:21:44,110 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-26 04:21:44,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2020-10-26 04:21:44,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:21:44,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:44,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:44,115 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:21:44,115 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:21:44,116 INFO L794 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 347#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 348#L560 assume !(main_~array_size~0 < 1); 349#L560-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 350#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 354#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 359#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 360#L553-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 361#L553-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 345#L550-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 346#L550-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 355#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 357#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 358#L553-3 [2020-10-26 04:21:44,116 INFO L796 eck$LassoCheckResult]: Loop: 358#L553-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 341#L553-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 342#L553-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 351#L553-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 358#L553-3 [2020-10-26 04:21:44,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:44,116 INFO L82 PathProgramCache]: Analyzing trace with hash 587980355, now seen corresponding path program 2 times [2020-10-26 04:21:44,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:44,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482092001] [2020-10-26 04:21:44,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:44,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:44,210 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:44,221 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:44,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:44,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1910182, now seen corresponding path program 3 times [2020-10-26 04:21:44,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:44,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847259193] [2020-10-26 04:21:44,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:44,237 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:44,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:44,255 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:44,259 INFO L82 PathProgramCache]: Analyzing trace with hash -508816664, now seen corresponding path program 1 times [2020-10-26 04:21:44,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:44,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890367409] [2020-10-26 04:21:44,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:44,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:44,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:44,361 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:44,471 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-10-26 04:21:45,059 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 99 [2020-10-26 04:21:45,212 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-26 04:21:45,214 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:21:45,215 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:21:45,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:21:45,215 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:21:45,215 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:21:45,215 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:45,215 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:21:45,215 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:21:45,215 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration5_Lasso [2020-10-26 04:21:45,216 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:21:45,216 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:21:45,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:45,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:45,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:45,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:46,082 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2020-10-26 04:21:46,454 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-26 04:21:46,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:46,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:46,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:46,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:46,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:46,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:46,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:46,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:47,242 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-10-26 04:21:47,416 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-10-26 04:21:47,452 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:21:47,452 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-26 04:21:47,468 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 [2020-10-26 04:21:47,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:47,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:47,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:47,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:47,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:47,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:47,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:47,473 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:47,509 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 [2020-10-26 04:21:47,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:47,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:47,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:47,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:47,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:47,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:47,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:47,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:47,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:47,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:47,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:47,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:47,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:47,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:47,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:47,574 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) [2020-10-26 04:21:47,611 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 [2020-10-26 04:21:47,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:47,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:47,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:47,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:47,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:47,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:47,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:47,616 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) [2020-10-26 04:21:47,651 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 [2020-10-26 04:21:47,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:47,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:47,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:47,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:47,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:47,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:47,664 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 [2020-10-26 04:21:47,688 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 [2020-10-26 04:21:47,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:47,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:47,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:47,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:47,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:47,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:47,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:47,749 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 [2020-10-26 04:21:47,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:47,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:47,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:47,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:47,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:47,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:47,782 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:21:47,821 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-10-26 04:21:47,821 INFO L444 ModelExtractionUtils]: 23 out of 37 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:47,825 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:47,830 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:21:47,830 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:21:47,830 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2020-10-26 04:21:47,891 INFO L297 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2020-10-26 04:21:47,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:47,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:21:47,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:47,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:21:47,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:48,010 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 [2020-10-26 04:21:48,010 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-10-26 04:21:48,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 50 states and 62 transitions. Complement of second has 9 states. [2020-10-26 04:21:48,102 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 [2020-10-26 04:21:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:21:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-10-26 04:21:48,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2020-10-26 04:21:48,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:48,103 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:21:48,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:48,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:21:48,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:48,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:21:48,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:48,238 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 [2020-10-26 04:21:48,238 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-10-26 04:21:48,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 51 states and 63 transitions. Complement of second has 9 states. [2020-10-26 04:21:48,310 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 [2020-10-26 04:21:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:21:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-10-26 04:21:48,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2020-10-26 04:21:48,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:48,311 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:21:48,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:48,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:21:48,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:48,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:21:48,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:48,414 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 [2020-10-26 04:21:48,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-10-26 04:21:48,503 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 61 states and 78 transitions. Complement of second has 8 states. [2020-10-26 04:21:48,504 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 [2020-10-26 04:21:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:21:48,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-10-26 04:21:48,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 13 letters. Loop has 4 letters. [2020-10-26 04:21:48,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:48,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 17 letters. Loop has 4 letters. [2020-10-26 04:21:48,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:48,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 13 letters. Loop has 8 letters. [2020-10-26 04:21:48,509 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:48,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 78 transitions. [2020-10-26 04:21:48,512 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:21:48,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 0 states and 0 transitions. [2020-10-26 04:21:48,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:21:48,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:21:48,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:21:48,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:21:48,518 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:21:48,518 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:21:48,518 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:21:48,519 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-26 04:21:48,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:21:48,519 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:21:48,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:21:48,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:21:48 BoogieIcfgContainer [2020-10-26 04:21:48,526 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:21:48,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:21:48,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:21:48,527 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:21:48,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:21:38" (3/4) ... [2020-10-26 04:21:48,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:21:48,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:21:48,538 INFO L168 Benchmark]: Toolchain (without parser) took 11251.19 ms. Allocated memory was 54.5 MB in the beginning and 157.3 MB in the end (delta: 102.8 MB). Free memory was 29.6 MB in the beginning and 52.5 MB in the end (delta: -23.0 MB). Peak memory consumption was 81.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:48,539 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 37.7 MB. Free memory was 23.4 MB in the beginning and 23.4 MB in the end (delta: 36.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:21:48,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.67 ms. Allocated memory is still 54.5 MB. Free memory was 28.8 MB in the beginning and 35.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:48,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.46 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 33.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:48,548 INFO L168 Benchmark]: Boogie Preprocessor took 59.34 ms. Allocated memory is still 54.5 MB. Free memory was 33.6 MB in the beginning and 32.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:48,551 INFO L168 Benchmark]: RCFGBuilder took 512.39 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 32.2 MB in the end (delta: -89.5 kB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:48,553 INFO L168 Benchmark]: BuchiAutomizer took 9990.12 ms. Allocated memory was 54.5 MB in the beginning and 157.3 MB in the end (delta: 102.8 MB). Free memory was 32.2 MB in the beginning and 53.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 79.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:48,554 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 157.3 MB. Free memory was 53.6 MB in the beginning and 52.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:48,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 37.7 MB. Free memory was 23.4 MB in the beginning and 23.4 MB in the end (delta: 36.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 592.67 ms. Allocated memory is still 54.5 MB. Free memory was 28.8 MB in the beginning and 35.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.46 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 33.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.34 ms. Allocated memory is still 54.5 MB. Free memory was 33.6 MB in the beginning and 32.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 512.39 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 32.2 MB in the end (delta: -89.5 kB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9990.12 ms. Allocated memory was 54.5 MB in the beginning and 157.3 MB in the end (delta: 102.8 MB). Free memory was 32.2 MB in the beginning and 53.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 79.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.30 ms. Allocated memory is still 157.3 MB. Free memory was 53.6 MB in the beginning and 52.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -1 * a + -4 * i and consists of 3 locations. One deterministic module has affine ranking function j and consists of 5 locations. One nondeterministic module has affine ranking function j and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 88 SDtfs, 108 SDslu, 37 SDs, 0 SdLazy, 137 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital174 mio100 ax110 hnf99 lsp88 ukn94 mio100 lsp49 div100 bol100 ite100 ukn100 eq182 hnf86 smp100 dnf149 smp83 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...