./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/ex1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/ex1-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 4b45df13f81f06cb5935eadea1b8dc5cf75af29d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 06:39:47,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:39:47,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:39:47,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:39:47,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:39:47,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:39:47,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:39:47,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:39:47,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:39:47,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:39:47,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:39:47,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:39:47,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:39:47,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:39:47,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:39:47,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:39:47,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:39:47,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:39:47,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:39:47,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:39:47,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:39:47,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:39:47,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:39:47,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:39:47,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:39:47,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:39:47,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:39:47,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:39:47,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:39:47,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:39:47,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:39:47,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:39:47,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:39:47,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:39:47,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:39:47,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:39:47,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:39:47,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:39:47,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:39:47,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:39:47,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:39:47,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:39:47,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:39:47,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:39:47,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:39:47,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:39:47,349 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:39:47,349 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:39:47,349 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:39:47,350 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:39:47,350 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:39:47,350 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:39:47,350 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:39:47,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:39:47,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:39:47,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:39:47,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:39:47,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:39:47,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:39:47,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:39:47,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:39:47,353 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:39:47,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:39:47,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:39:47,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:39:47,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:39:47,354 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:39:47,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:39:47,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:39:47,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:39:47,355 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:39:47,356 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:39:47,356 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 -> 4b45df13f81f06cb5935eadea1b8dc5cf75af29d [2020-10-20 06:39:47,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:39:47,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:39:47,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:39:47,619 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:39:47,620 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:39:47,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/ex1-alloca.i [2020-10-20 06:39:47,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d9ccd89/f63898737dcc48e797b0b461c73ff6ac/FLAGbf64912d6 [2020-10-20 06:39:48,212 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:39:48,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/ex1-alloca.i [2020-10-20 06:39:48,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d9ccd89/f63898737dcc48e797b0b461c73ff6ac/FLAGbf64912d6 [2020-10-20 06:39:48,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d9ccd89/f63898737dcc48e797b0b461c73ff6ac [2020-10-20 06:39:48,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:39:48,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:39:48,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:39:48,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:39:48,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:39:48,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:39:48" (1/1) ... [2020-10-20 06:39:48,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f9e2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:48, skipping insertion in model container [2020-10-20 06:39:48,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:39:48" (1/1) ... [2020-10-20 06:39:48,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:39:48,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:39:48,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:39:48,963 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:39:49,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:39:49,059 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:39:49,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49 WrapperNode [2020-10-20 06:39:49,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:39:49,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:39:49,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:39:49,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:39:49,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:39:49,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:39:49,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:39:49,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:39:49,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (1/1) ... [2020-10-20 06:39:49,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:39:49,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:39:49,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:39:49,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:39:49,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (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 06:39:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:39:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:39:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:39:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:39:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:39:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:39:49,461 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:39:49,462 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:39:49,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:49 BoogieIcfgContainer [2020-10-20 06:39:49,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:39:49,464 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:39:49,465 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:39:49,469 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:39:49,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:49,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:39:48" (1/3) ... [2020-10-20 06:39:49,472 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b82b5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:39:49, skipping insertion in model container [2020-10-20 06:39:49,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:49,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:49" (2/3) ... [2020-10-20 06:39:49,472 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b82b5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:39:49, skipping insertion in model container [2020-10-20 06:39:49,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:49,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:49" (3/3) ... [2020-10-20 06:39:49,475 INFO L373 chiAutomizerObserver]: Analyzing ICFG ex1-alloca.i [2020-10-20 06:39:49,557 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:39:49,558 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:39:49,558 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:39:49,558 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:39:49,558 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:39:49,558 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:39:49,559 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:39:49,559 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:39:49,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-20 06:39:49,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:39:49,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:49,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:49,610 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:39:49,611 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:39:49,611 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:39:49,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-20 06:39:49,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:39:49,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:49,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:49,613 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:39:49,613 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:39:49,622 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~x, test_fun_#in~y, test_fun_#in~r := main_#t~nondet10, main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~r, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~r := test_fun_#in~r;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;test_fun_~r := 1;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~r, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4); 4#L556-3true [2020-10-20 06:39:49,622 INFO L796 eck$LassoCheckResult]: Loop: 4#L556-3true call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 9#L556-1true assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4);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~mem6 * test_fun_#t~mem7, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4);havoc test_fun_#t~mem6;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(test_fun_#t~mem8 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 4#L556-3true [2020-10-20 06:39:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:49,629 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:39:49,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:49,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775631088] [2020-10-20 06:39:49,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:49,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:49,840 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:49,877 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:49,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:49,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2020-10-20 06:39:49,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:49,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879712578] [2020-10-20 06:39:49,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:49,905 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-20 06:39:49,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829970410] [2020-10-20 06:39:49,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:39:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:49,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:49,981 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:49,989 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:49,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:49,990 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-20 06:39:49,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:49,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381746932] [2020-10-20 06:39:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:50,008 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-20 06:39:50,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404786329] [2020-10-20 06:39:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:39:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:50,110 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:50,128 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:50,139 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:50,845 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2020-10-20 06:39:51,091 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 06:39:51,107 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:39:51,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:39:51,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:39:51,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:39:51,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:39:51,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:51,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:39:51,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:39:51,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: ex1-alloca.i_Iteration1_Lasso [2020-10-20 06:39:51,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:39:51,109 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:39:51,145 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 06:39:51,151 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 06:39:51,153 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 06:39:51,159 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 06:39:51,171 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 06:39:51,179 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 06:39:51,183 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 06:39:51,196 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 06:39:51,200 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 06:39:51,204 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 06:39:51,207 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 06:39:51,212 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 06:39:51,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:51,684 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2020-10-20 06:39:51,814 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-20 06:39:51,816 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 06:39:51,819 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 06:39:51,832 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 06:39:51,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:52,058 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-10-20 06:39:52,428 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:39:52,433 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:52,445 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 06:39:52,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:52,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:52,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:52,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:52,497 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 06:39:52,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:52,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:52,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:52,502 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 [2020-10-20 06:39:52,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:52,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:52,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:52,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:52,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:39:52,575 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 06:39:52,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:52,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:52,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:52,580 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 [2020-10-20 06:39:52,610 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 06:39:52,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:52,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:52,619 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:52,667 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 06:39:52,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:52,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:52,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:52,673 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 06:39:52,729 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 06:39:52,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:52,737 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 06:39:52,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:52,789 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 06:39:52,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:52,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:52,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:52,800 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 06:39:52,838 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 06:39:52,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:52,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:52,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:52,893 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 06:39:52,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:52,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:52,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:52,898 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 06:39:52,923 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 06:39:52,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:52,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:52,932 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) [2020-10-20 06:39:52,971 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 06:39:52,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:52,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:52,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:52,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:52,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:52,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:52,982 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:53,006 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 06:39:53,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:53,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:53,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:53,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:53,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:53,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:53,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:53,038 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 06:39:53,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:53,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:53,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:53,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:53,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:53,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:53,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:53,107 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 06:39:53,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:53,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:53,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:53,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:53,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:53,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:53,125 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:39:53,158 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-10-20 06:39:53,158 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:53,181 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:53,190 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:39:53,190 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:39:53,192 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) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2020-10-20 06:39:53,395 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2020-10-20 06:39:53,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:53,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:53,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:39:53,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:53,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:39:53,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:53,526 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 06:39:53,545 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 [2020-10-20 06:39:53,547 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2020-10-20 06:39:53,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 17 states and 19 transitions. Complement of second has 8 states. [2020-10-20 06:39:53,639 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 [2020-10-20 06:39:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 06:39:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-10-20 06:39:53,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 06:39:53,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:53,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 06:39:53,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:53,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 06:39:53,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:53,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2020-10-20 06:39:53,647 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:53,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2020-10-20 06:39:53,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:39:53,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:39:53,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:39:53,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:39:53,652 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:53,652 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:53,653 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:53,653 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:39:53,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:39:53,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:53,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:39:53,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:39:53 BoogieIcfgContainer [2020-10-20 06:39:53,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:39:53,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:39:53,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:39:53,661 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:39:53,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:49" (3/4) ... [2020-10-20 06:39:53,665 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:39:53,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:39:53,667 INFO L168 Benchmark]: Toolchain (without parser) took 5139.56 ms. Allocated memory was 36.7 MB in the beginning and 70.8 MB in the end (delta: 34.1 MB). Free memory was 9.4 MB in the beginning and 27.6 MB in the end (delta: -18.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:53,668 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 36.7 MB. Free memory is still 15.4 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:39:53,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.87 ms. Allocated memory was 36.7 MB in the beginning and 45.6 MB in the end (delta: 8.9 MB). Free memory was 8.5 MB in the beginning and 17.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:53,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.88 ms. Allocated memory was 45.6 MB in the beginning and 46.7 MB in the end (delta: 1.0 MB). Free memory was 17.7 MB in the beginning and 30.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:53,670 INFO L168 Benchmark]: Boogie Preprocessor took 26.63 ms. Allocated memory is still 46.7 MB. Free memory was 30.0 MB in the beginning and 28.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:53,671 INFO L168 Benchmark]: RCFGBuilder took 325.35 ms. Allocated memory is still 46.7 MB. Free memory was 28.7 MB in the beginning and 13.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:53,672 INFO L168 Benchmark]: BuchiAutomizer took 4195.41 ms. Allocated memory was 46.7 MB in the beginning and 70.8 MB in the end (delta: 24.1 MB). Free memory was 13.6 MB in the beginning and 27.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:53,673 INFO L168 Benchmark]: Witness Printer took 4.99 ms. Allocated memory is still 70.8 MB. Free memory is still 27.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:39:53,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 36.7 MB. Free memory is still 15.4 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 526.87 ms. Allocated memory was 36.7 MB in the beginning and 45.6 MB in the end (delta: 8.9 MB). Free memory was 8.5 MB in the beginning and 17.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 50.88 ms. Allocated memory was 45.6 MB in the beginning and 46.7 MB in the end (delta: 1.0 MB). Free memory was 17.7 MB in the beginning and 30.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.63 ms. Allocated memory is still 46.7 MB. Free memory was 30.0 MB in the beginning and 28.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 325.35 ms. Allocated memory is still 46.7 MB. Free memory was 28.7 MB in the beginning and 13.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 4195.41 ms. Allocated memory was 46.7 MB in the beginning and 70.8 MB in the end (delta: 24.1 MB). Free memory was 13.6 MB in the beginning and 27.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. * Witness Printer took 4.99 ms. Allocated memory is still 70.8 MB. Free memory is still 27.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. 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: 2 SDtfs, 1 SDslu, 0 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: inital321 mio100 ax105 hnf100 lsp90 ukn58 mio100 lsp39 div100 bol100 ite100 ukn100 eq179 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms 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...