./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/add_first_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/add_first_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b80c314f9b813935201d5b334c75f7a685c1e89b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:41:45,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:41:45,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:41:45,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:41:45,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:41:45,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:41:45,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:41:45,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:41:45,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:41:45,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:41:45,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:41:45,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:41:45,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:41:45,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:41:45,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:41:45,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:41:45,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:41:45,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:41:45,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:41:45,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:41:45,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:41:45,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:41:45,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:41:45,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:41:45,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:41:45,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:41:45,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:41:45,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:41:45,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:41:45,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:41:45,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:41:45,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:41:45,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:41:45,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:41:45,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:41:45,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:41:45,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:41:45,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:41:45,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:41:45,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:41:45,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:41:45,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:41:45,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:41:45,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:41:45,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:41:45,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:41:45,535 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:41:45,535 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:41:45,536 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:41:45,536 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:41:45,536 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:41:45,536 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:41:45,537 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:41:45,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:41:45,538 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:41:45,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:41:45,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:41:45,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:41:45,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:41:45,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:41:45,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:41:45,540 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:41:45,541 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:41:45,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:41:45,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:41:45,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:41:45,542 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:41:45,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:41:45,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:41:45,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:41:45,543 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:41:45,544 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:41:45,545 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b80c314f9b813935201d5b334c75f7a685c1e89b [2020-10-20 06:41:45,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:41:45,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:41:45,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:41:45,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:41:45,793 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:41:45,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/add_first_alloca.i [2020-10-20 06:41:45,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4027000e/55f1e4bdf0f149e6840acadf6f8f475c/FLAG2bb2b4f57 [2020-10-20 06:41:46,405 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:41:46,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/add_first_alloca.i [2020-10-20 06:41:46,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4027000e/55f1e4bdf0f149e6840acadf6f8f475c/FLAG2bb2b4f57 [2020-10-20 06:41:46,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4027000e/55f1e4bdf0f149e6840acadf6f8f475c [2020-10-20 06:41:46,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:41:46,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:41:46,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:41:46,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:41:46,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:41:46,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:41:46" (1/1) ... [2020-10-20 06:41:46,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d31cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:46, skipping insertion in model container [2020-10-20 06:41:46,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:41:46" (1/1) ... [2020-10-20 06:41:46,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:41:46,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:41:47,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:41:47,104 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:41:47,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:41:47,287 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:41:47,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47 WrapperNode [2020-10-20 06:41:47,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:41:47,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:41:47,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:41:47,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:41:47,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:41:47,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:41:47,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:41:47,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:41:47,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... [2020-10-20 06:41:47,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:41:47,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:41:47,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:41:47,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:41:47,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:41:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:41:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:41:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:41:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:41:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:41:47,660 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:41:47,661 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:41:47,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:47 BoogieIcfgContainer [2020-10-20 06:41:47,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:41:47,664 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:41:47,664 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:41:47,667 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:41:47,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:47,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:41:46" (1/3) ... [2020-10-20 06:41:47,670 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e0d0399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:41:47, skipping insertion in model container [2020-10-20 06:41:47,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:47,670 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:47" (2/3) ... [2020-10-20 06:41:47,671 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e0d0399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:41:47, skipping insertion in model container [2020-10-20 06:41:47,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:47,671 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:47" (3/3) ... [2020-10-20 06:41:47,673 INFO L373 chiAutomizerObserver]: Analyzing ICFG add_first_alloca.i [2020-10-20 06:41:47,749 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:41:47,753 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:41:47,754 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:41:47,754 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:41:47,755 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:41:47,755 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:41:47,755 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:41:47,756 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:41:47,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:41:47,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:41:47,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:41:47,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:41:47,823 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 06:41:47,823 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:41:47,825 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:41:47,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:41:47,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:41:47,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:41:47,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:41:47,828 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 06:41:47,828 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:41:47,837 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem209, main_#t~mem210, main_#t~post211.base, main_#t~post211.offset, main_#t~mem207, main_#t~mem208, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 12#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 9#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4; 10#L371-3true [2020-10-20 06:41:47,838 INFO L796 eck$LassoCheckResult]: Loop: 10#L371-3true call main_#t~mem207 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset, 4); 6#L371-1true assume !!(main_#t~mem207 != main_#t~mem208);havoc main_#t~mem207;havoc main_#t~mem208;call main_#t~mem209 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);call write~int(main_#t~mem209 + main_#t~mem210, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem209;havoc main_#t~mem210;main_#t~post211.base, main_#t~post211.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post211.base, main_#t~post211.offset - 4;havoc main_#t~post211.base, main_#t~post211.offset; 10#L371-3true [2020-10-20 06:41:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:47,845 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2020-10-20 06:41:47,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:47,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420254538] [2020-10-20 06:41:47,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:47,975 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:47,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:48,027 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:48,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:48,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2020-10-20 06:41:48,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:48,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674312808] [2020-10-20 06:41:48,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:48,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:48,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:48,053 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:48,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:48,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2020-10-20 06:41:48,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:48,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801585862] [2020-10-20 06:41:48,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:48,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:48,110 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:48,116 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:48,428 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-10-20 06:41:48,482 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:41:48,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:41:48,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:41:48,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:41:48,484 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:41:48,484 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:48,484 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:41:48,484 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:41:48,484 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_first_alloca.i_Iteration1_Lasso [2020-10-20 06:41:48,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:41:48,485 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:41:48,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:48,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:49,221 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:41:49,227 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:49,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,243 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 [2020-10-20 06:41:49,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:49,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:49,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,343 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) [2020-10-20 06:41:49,380 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:49,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:49,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:49,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:49,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:49,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:49,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:49,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,574 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:49,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,626 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) [2020-10-20 06:41:49,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:49,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:49,738 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 [2020-10-20 06:41:49,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:49,768 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) [2020-10-20 06:41:49,801 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:49,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:49,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:49,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:49,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:49,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:49,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:49,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:49,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:49,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:49,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:49,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:41:50,102 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2020-10-20 06:41:50,103 INFO L444 ModelExtractionUtils]: 3 out of 25 variables were initially zero. Simplification set additionally 19 variables to zero. 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) [2020-10-20 06:41:50,116 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:50,119 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:41:50,120 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:41:50,121 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1) = 4*ULTIMATE.start_main_~a~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1 Supporting invariants [] [2020-10-20 06:41:50,168 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-10-20 06:41:50,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:41:50,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:41:50,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:41:50,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:41:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:41:50,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:41:50,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:41:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:41:50,320 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 06:41:50,322 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2020-10-20 06:41:50,399 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 21 states and 24 transitions. Complement of second has 7 states. [2020-10-20 06:41:50,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:41:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:41:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2020-10-20 06:41:50,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-20 06:41:50,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:50,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-20 06:41:50,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:50,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-20 06:41:50,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:50,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2020-10-20 06:41:50,409 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:41:50,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2020-10-20 06:41:50,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:41:50,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:41:50,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:41:50,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:41:50,415 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:50,415 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:50,415 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:50,415 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:41:50,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:41:50,416 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:41:50,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:41:50,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:41:50 BoogieIcfgContainer [2020-10-20 06:41:50,423 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:41:50,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:41:50,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:41:50,424 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:41:50,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:47" (3/4) ... [2020-10-20 06:41:50,428 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:41:50,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:41:50,431 INFO L168 Benchmark]: Toolchain (without parser) took 3776.74 ms. Allocated memory was 37.2 MB in the beginning and 57.1 MB in the end (delta: 19.9 MB). Free memory was 18.3 MB in the beginning and 16.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:50,432 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.6 MB. Free memory was 11.6 MB in the beginning and 11.6 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:41:50,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.91 ms. Allocated memory was 37.2 MB in the beginning and 46.7 MB in the end (delta: 9.4 MB). Free memory was 17.4 MB in the beginning and 25.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:50,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.54 ms. Allocated memory is still 46.7 MB. Free memory was 25.2 MB in the beginning and 23.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:50,435 INFO L168 Benchmark]: Boogie Preprocessor took 26.23 ms. Allocated memory is still 46.7 MB. Free memory was 23.2 MB in the beginning and 21.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:50,436 INFO L168 Benchmark]: RCFGBuilder took 301.56 ms. Allocated memory is still 46.7 MB. Free memory was 21.9 MB in the beginning and 24.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:50,437 INFO L168 Benchmark]: BuchiAutomizer took 2759.17 ms. Allocated memory was 46.7 MB in the beginning and 57.1 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 17.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:50,438 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 57.1 MB. Free memory was 17.4 MB in the beginning and 16.9 MB in the end (delta: 512.7 kB). Peak memory consumption was 512.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:41:50,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 34.6 MB. Free memory was 11.6 MB in the beginning and 11.6 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 627.91 ms. Allocated memory was 37.2 MB in the beginning and 46.7 MB in the end (delta: 9.4 MB). Free memory was 17.4 MB in the beginning and 25.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 46.54 ms. Allocated memory is still 46.7 MB. Free memory was 25.2 MB in the beginning and 23.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.23 ms. Allocated memory is still 46.7 MB. Free memory was 23.2 MB in the beginning and 21.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 301.56 ms. Allocated memory is still 46.7 MB. Free memory was 21.9 MB in the beginning and 24.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 2759.17 ms. Allocated memory was 46.7 MB in the beginning and 57.1 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 17.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. * Witness Printer took 5.34 ms. Allocated memory is still 57.1 MB. Free memory was 17.4 MB in the beginning and 16.9 MB in the end (delta: 512.7 kB). Peak memory consumption was 512.7 kB. Max. memory is 14.3 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 4 * a + unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 10 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp54 div100 bol100 ite100 ukn100 eq182 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms 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...