./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.02-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 422e0eaf2d7a917ba2bde807c111198f2d7aea19 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:45:49,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:45:49,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:45:49,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:45:49,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:45:49,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:45:49,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:45:49,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:45:49,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:45:49,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:45:49,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:45:49,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:45:49,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:45:49,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:45:49,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:45:49,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:45:49,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:45:49,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:45:49,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:45:49,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:45:49,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:45:49,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:45:49,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:45:49,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:45:49,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:45:49,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:45:49,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:45:49,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:45:49,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:45:49,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:45:49,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:45:49,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:45:49,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:45:49,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:45:49,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:45:49,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:45:49,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:45:49,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:45:49,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:45:49,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:45:49,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:45:49,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:45:49,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:45:49,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:45:49,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:45:49,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:45:49,358 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:45:49,359 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:45:49,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:45:49,359 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:45:49,360 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:45:49,360 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:45:49,361 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:45:49,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:45:49,362 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:45:49,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:45:49,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:45:49,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:45:49,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:45:49,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:45:49,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:45:49,364 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:45:49,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:45:49,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:45:49,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:45:49,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:45:49,365 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:45:49,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:45:49,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:45:49,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:45:49,366 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:45:49,368 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:45:49,368 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 -> 422e0eaf2d7a917ba2bde807c111198f2d7aea19 [2020-10-19 18:45:49,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:45:49,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:45:49,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:45:49,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:45:49,734 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:45:49,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2020-10-19 18:45:49,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae55240d/5dfd5c06b8264c0bb7b20e8eb64ad3ae/FLAG02a459c49 [2020-10-19 18:45:50,405 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:45:50,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2020-10-19 18:45:50,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae55240d/5dfd5c06b8264c0bb7b20e8eb64ad3ae/FLAG02a459c49 [2020-10-19 18:45:50,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae55240d/5dfd5c06b8264c0bb7b20e8eb64ad3ae [2020-10-19 18:45:50,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:45:50,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:45:50,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:45:50,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:45:50,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:45:50,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:45:50" (1/1) ... [2020-10-19 18:45:50,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338bf8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:50, skipping insertion in model container [2020-10-19 18:45:50,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:45:50" (1/1) ... [2020-10-19 18:45:50,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:45:50,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:45:51,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:45:51,160 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:45:51,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:45:51,268 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:45:51,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51 WrapperNode [2020-10-19 18:45:51,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:45:51,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:45:51,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:45:51,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:45:51,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:45:51,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:45:51,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:45:51,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:45:51,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... [2020-10-19 18:45:51,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:45:51,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:45:51,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:45:51,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:45:51,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:45:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:45:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:45:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:45:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:45:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:45:51,647 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:45:51,648 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-19 18:45:51,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:51 BoogieIcfgContainer [2020-10-19 18:45:51,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:45:51,650 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:45:51,651 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:45:51,654 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:45:51,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:51,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:45:50" (1/3) ... [2020-10-19 18:45:51,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f4f9b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:45:51, skipping insertion in model container [2020-10-19 18:45:51,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:51,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:51" (2/3) ... [2020-10-19 18:45:51,658 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f4f9b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:45:51, skipping insertion in model container [2020-10-19 18:45:51,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:51,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:51" (3/3) ... [2020-10-19 18:45:51,660 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.02-alloca.i [2020-10-19 18:45:51,722 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:45:51,722 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:45:51,723 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:45:51,723 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:45:51,724 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:45:51,724 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:45:51,724 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:45:51,725 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:45:51,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-19 18:45:51,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:45:51,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:51,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:51,777 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:45:51,777 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:45:51,777 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:45:51,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-19 18:45:51,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:45:51,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:51,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:51,780 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:45:51,780 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:45:51,788 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L555-3true [2020-10-19 18:45:51,789 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 5#L555-3true [2020-10-19 18:45:51,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:51,797 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 18:45:51,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:51,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10967257] [2020-10-19 18:45:51,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:52,009 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:52,037 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:52,060 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:52,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:52,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2020-10-19 18:45:52,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:52,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945939735] [2020-10-19 18:45:52,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:52,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:52,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:52,088 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:52,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:52,090 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-19 18:45:52,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:52,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095784543] [2020-10-19 18:45:52,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:52,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:52,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:52,179 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:52,696 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2020-10-19 18:45:52,860 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-19 18:45:52,877 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:45:52,879 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:45:52,879 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:45:52,879 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:45:52,880 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:45:52,880 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:52,880 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:45:52,881 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:45:52,881 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.02-alloca.i_Iteration1_Lasso [2020-10-19 18:45:52,881 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:45:52,882 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:45:52,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:52,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:53,293 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-10-19 18:45:53,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:53,917 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:45:53,922 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:53,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:53,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:53,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:53,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:53,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:53,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:53,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:53,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:53,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:53,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:53,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:53,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:53,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:53,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:53,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:53,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:53,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:53,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:54,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:54,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:54,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,031 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) [2020-10-19 18:45:54,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:54,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:54,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:54,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:54,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:54,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:54,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:54,142 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 [2020-10-19 18:45:54,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:54,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:54,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:54,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:54,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:54,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:54,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:54,285 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 [2020-10-19 18:45:54,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:54,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:54,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:54,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:54,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:54,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:54,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:54,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:54,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:54,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:54,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:45:54,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:54,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:54,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:54,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:54,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:54,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:54,477 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:45:54,504 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-19 18:45:54,504 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:54,518 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:45:54,520 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:45:54,520 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:45:54,521 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2020-10-19 18:45:54,729 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2020-10-19 18:45:54,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:45:54,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:45:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:54,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:45:54,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:54,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 18:45:54,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:54,837 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 [2020-10-19 18:45:54,839 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2020-10-19 18:45:54,892 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2020-10-19 18:45:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:45:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:45:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2020-10-19 18:45:54,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-19 18:45:54,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:54,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-19 18:45:54,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:54,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-19 18:45:54,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:54,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2020-10-19 18:45:54,903 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:45:54,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2020-10-19 18:45:54,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:45:54,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:45:54,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:45:54,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:45:54,909 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:54,909 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:54,910 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:54,910 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:45:54,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:45:54,910 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:45:54,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:45:54,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:45:54 BoogieIcfgContainer [2020-10-19 18:45:54,918 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:45:54,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:45:54,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:45:54,919 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:45:54,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:51" (3/4) ... [2020-10-19 18:45:54,923 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:45:54,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:45:54,926 INFO L168 Benchmark]: Toolchain (without parser) took 4239.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:54,927 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:45:54,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 954.6 MB in the beginning and 1.0 GB in the end (delta: -94.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:54,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:45:54,930 INFO L168 Benchmark]: Boogie Preprocessor took 31.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:54,931 INFO L168 Benchmark]: RCFGBuilder took 300.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:54,932 INFO L168 Benchmark]: BuchiAutomizer took 3267.42 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -51.4 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:54,932 INFO L168 Benchmark]: Witness Printer took 5.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:45:54,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 576.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 954.6 MB in the beginning and 1.0 GB in the end (delta: -94.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 300.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3267.42 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -51.4 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp91 ukn56 mio100 lsp37 div100 bol100 ite100 ukn100 eq181 hnf88 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms 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...