./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec1_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec1_product28.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash eec652bf33328ae8e48161905a6482e580dbdebd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:52:03,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:52:03,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:52:03,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:52:03,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:52:03,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:52:03,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:52:03,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:52:03,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:52:03,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:52:03,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:52:03,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:52:03,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:52:03,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:52:03,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:52:03,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:52:03,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:52:03,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:52:03,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:52:03,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:52:03,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:52:03,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:52:03,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:52:03,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:52:03,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:52:03,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:52:03,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:52:03,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:52:03,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:52:03,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:52:03,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:52:03,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:52:03,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:52:03,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:52:03,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:52:03,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:52:03,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:52:03,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:52:03,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:52:03,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:52:03,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:52:03,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:52:03,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:52:03,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:52:03,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:52:03,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:52:03,415 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:52:03,416 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:52:03,416 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:52:03,416 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:52:03,416 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:52:03,417 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:52:03,417 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:52:03,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:52:03,418 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:52:03,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:52:03,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:52:03,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:52:03,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:52:03,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:52:03,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:52:03,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:52:03,420 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:52:03,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:52:03,420 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:52:03,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:52:03,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:52:03,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:52:03,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:52:03,422 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:52:03,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:52:03,423 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:52:03,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:52:03,423 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:52:03,424 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:52:03,425 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec652bf33328ae8e48161905a6482e580dbdebd [2019-11-28 20:52:03,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:52:03,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:52:03,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:52:03,766 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:52:03,767 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:52:03,768 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product28.cil.c [2019-11-28 20:52:03,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7eacfc31/d2e690eb2dd54a7b97f27343812926a1/FLAG18e67150d [2019-11-28 20:52:04,437 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:52:04,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product28.cil.c [2019-11-28 20:52:04,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7eacfc31/d2e690eb2dd54a7b97f27343812926a1/FLAG18e67150d [2019-11-28 20:52:04,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7eacfc31/d2e690eb2dd54a7b97f27343812926a1 [2019-11-28 20:52:04,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:52:04,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:52:04,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:52:04,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:52:04,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:52:04,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:52:04" (1/1) ... [2019-11-28 20:52:04,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:04, skipping insertion in model container [2019-11-28 20:52:04,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:52:04" (1/1) ... [2019-11-28 20:52:04,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:52:04,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:52:05,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:52:05,446 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:52:05,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:52:05,701 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:52:05,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05 WrapperNode [2019-11-28 20:52:05,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:52:05,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:52:05,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:52:05,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:52:05,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:05,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:06,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:52:06,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:52:06,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:52:06,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:52:06,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:06,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:06,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:06,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:06,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:06,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:06,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... [2019-11-28 20:52:06,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:52:06,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:52:06,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:52:06,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:52:06,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:52:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:52:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:52:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:52:16,605 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:52:16,608 INFO L287 CfgBuilder]: Removed 1209 assume(true) statements. [2019-11-28 20:52:16,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:52:16 BoogieIcfgContainer [2019-11-28 20:52:16,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:52:16,612 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:52:16,612 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:52:16,615 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:52:16,616 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:52:16,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:52:04" (1/3) ... [2019-11-28 20:52:16,619 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47a4a200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:52:16, skipping insertion in model container [2019-11-28 20:52:16,619 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:52:16,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:52:05" (2/3) ... [2019-11-28 20:52:16,620 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47a4a200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:52:16, skipping insertion in model container [2019-11-28 20:52:16,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:52:16,620 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:52:16" (3/3) ... [2019-11-28 20:52:16,624 INFO L371 chiAutomizerObserver]: Analyzing ICFG elevator_spec1_product28.cil.c [2019-11-28 20:52:16,672 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:52:16,672 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:52:16,672 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:52:16,673 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:52:16,673 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:52:16,673 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:52:16,673 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:52:16,673 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:52:16,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4978 states. [2019-11-28 20:52:16,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2449 [2019-11-28 20:52:16,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:52:16,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:52:16,933 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:52:16,934 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:52:16,934 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:52:16,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4978 states. [2019-11-28 20:52:16,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2449 [2019-11-28 20:52:16,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:52:17,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:52:17,005 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:52:17,006 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:52:17,021 INFO L794 eck$LassoCheckResult]: Stem: 3477#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(10);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string83.base, #t~string83.offset, 1);call write~init~int(95, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(93, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string85.base, #t~string85.offset, 1);call write~init~int(93, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(32, #t~string85.base, 2 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 3 + #t~string85.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string87.base, #t~string87.offset, 1);call write~init~int(97, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(116, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(32, #t~string87.base, 3 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 4 + #t~string87.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string89.base, #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 2 + #t~string89.offset, 1);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string93.base, #t~string93.offset, 1);call write~init~int(112, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 2 + #t~string93.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string95.base, #t~string95.offset, 1);call write~init~int(111, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(119, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(110, #t~string95.base, 3 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 4 + #t~string95.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string97.base, #t~string97.offset, 1);call write~init~int(73, #t~string97.base, 1 + #t~string97.offset, 1);call write~init~int(76, #t~string97.base, 2 + #t~string97.offset, 1);call write~init~int(95, #t~string97.base, 3 + #t~string97.offset, 1);call write~init~int(112, #t~string97.base, 4 + #t~string97.offset, 1);call write~init~int(58, #t~string97.base, 5 + #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 6 + #t~string97.offset, 1);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string99.base, #t~string99.offset, 1);call write~init~int(37, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(105, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string101.base, #t~string101.offset, 1);call write~init~int(37, #t~string101.base, 1 + #t~string101.offset, 1);call write~init~int(105, #t~string101.base, 2 + #t~string101.offset, 1);call write~init~int(0, #t~string101.base, 3 + #t~string101.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string103.base, #t~string103.offset, 1);call write~init~int(37, #t~string103.base, 1 + #t~string103.offset, 1);call write~init~int(105, #t~string103.base, 2 + #t~string103.offset, 1);call write~init~int(0, #t~string103.base, 3 + #t~string103.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string105.base, #t~string105.offset, 1);call write~init~int(37, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(105, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string107.base, #t~string107.offset, 1);call write~init~int(37, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(105, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string109.base, #t~string109.offset, 1);call write~init~int(70, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(95, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(112, #t~string109.base, 3 + #t~string109.offset, 1);call write~init~int(58, #t~string109.base, 4 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 5 + #t~string109.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(37, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(105, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string115.base, #t~string115.offset, 1);call write~init~int(37, #t~string115.base, 1 + #t~string115.offset, 1);call write~init~int(105, #t~string115.base, 2 + #t~string115.offset, 1);call write~init~int(0, #t~string115.base, 3 + #t~string115.offset, 1);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string118.base, #t~string118.offset, 1);call write~init~int(37, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(105, #t~string118.base, 2 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 3 + #t~string118.offset, 1);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string121.base, #t~string121.offset, 1);call write~init~int(37, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(105, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 3 + #t~string121.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string124.base, #t~string124.offset, 1);call write~init~int(37, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(105, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string126.base, #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 1 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(30);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(9);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(21);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(30);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(21);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(30);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(9);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(25);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(30);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(9);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 4395#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 4639#L545true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 3346#L553true main_#t~ret13 := valid_product_#res;main_~tmp~8 := main_#t~ret13;havoc main_#t~ret13; 3697#L389true assume 0 != main_~tmp~8; 4184#L358true ~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 2964#L579true havoc bigMacCall_#t~ret6, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~3;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~3; 4973#L448true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~3 := 4;getOrigin_#res := getOrigin_~retValue_acc~3; 3978#L473true bigMacCall_#t~ret6 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret6;havoc bigMacCall_#t~ret6;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 3055#L1109true assume 0 == initPersonOnFloor_~floor; 2752#L1110true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 118#L1217-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 2601#L586true assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 59#L598-2true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 3994#L913-2true havoc angelinaCall_#t~ret3, angelinaCall_~tmp~2;havoc angelinaCall_~tmp~2;getOrigin_#in~person := 2;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~3;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~3; 4974#L448-1true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~3 := 4;getOrigin_#res := getOrigin_~retValue_acc~3; 3980#L473-1true angelinaCall_#t~ret3 := getOrigin_#res;angelinaCall_~tmp~2 := angelinaCall_#t~ret3;havoc angelinaCall_#t~ret3;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 2, angelinaCall_~tmp~2;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 3022#L1109-1true assume 0 == initPersonOnFloor_~floor; 2739#L1110-2true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 1362#L1217-3true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 2560#L586-2true assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 70#L598-5true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 3989#L913-5true havoc cleanup_#t~ret7, cleanup_#t~ret8, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret80, timeShift_~tmp~24;havoc timeShift_~tmp~24;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 4261#L1763true timeShift_#t~ret80 := areDoorsOpen_#res;timeShift_~tmp~24 := timeShift_#t~ret80;havoc timeShift_#t~ret80; 812#L2705true assume 0 != timeShift_~tmp~24; 725#L2706true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4291#L2379-11true havoc __utac_acc__Specification1_spec__3_#t~ret15, __utac_acc__Specification1_spec__3_#t~ret16, __utac_acc__Specification1_spec__3_#t~ret17, __utac_acc__Specification1_spec__3_#t~ret18, __utac_acc__Specification1_spec__3_#t~ret19, __utac_acc__Specification1_spec__3_#t~ret20, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 857#L1754-6true __utac_acc__Specification1_spec__3_#t~ret15 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret15;havoc __utac_acc__Specification1_spec__3_#t~ret15;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 4978#L624true assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 4953#L625true assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 4264#L1763-1true __utac_acc__Specification1_spec__3_#t~ret16 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret16;havoc __utac_acc__Specification1_spec__3_#t~ret16; 4673#L629true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 200#L684true cleanup_~i~0 := 0; 4675#L188-2true [2019-11-28 20:52:17,028 INFO L796 eck$LassoCheckResult]: Loop: 4675#L188-2true assume !false; 4731#L189true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 4662#L192true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~10;havoc isBlocked_~retValue_acc~10;isBlocked_~retValue_acc~10 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~10; 4490#L1581true cleanup_#t~ret7 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret7;havoc cleanup_#t~ret7; 3468#L196true assume 1 != cleanup_~tmp___0~0; 3467#L196-1true havoc isIdle_#res;havoc isIdle_#t~ret35, isIdle_~retValue_acc~17, isIdle_~tmp~16;havoc isIdle_~retValue_acc~17;havoc isIdle_~tmp~16;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret30, anyStopRequested_#t~ret31, anyStopRequested_#t~ret32, anyStopRequested_#t~ret33, anyStopRequested_#t~ret34, anyStopRequested_~retValue_acc~16, anyStopRequested_~tmp~15, anyStopRequested_~tmp___0~5, anyStopRequested_~tmp___1~4, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~16;havoc anyStopRequested_~tmp~15;havoc anyStopRequested_~tmp___0~5;havoc anyStopRequested_~tmp___1~4;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~7;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~7; 1881#L834-50true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~7 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~7; 53#L861-50true anyStopRequested_#t~ret30 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret30;havoc anyStopRequested_#t~ret30; 4674#L1862true assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~16 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~16; 1230#L1926true isIdle_#t~ret35 := anyStopRequested_#res;isIdle_~tmp~16 := isIdle_#t~ret35;havoc isIdle_#t~ret35;isIdle_~retValue_acc~17 := (if 0 == isIdle_~tmp~16 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~17; 4272#L1939true cleanup_#t~ret8 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret8;havoc cleanup_#t~ret8; 3878#L208true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret80, timeShift_~tmp~24;havoc timeShift_~tmp~24;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 4255#L1763-6true timeShift_#t~ret80 := areDoorsOpen_#res;timeShift_~tmp~24 := timeShift_#t~ret80;havoc timeShift_#t~ret80; 814#L2705-1true assume 0 != timeShift_~tmp~24; 737#L2706-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4253#L2379-23true havoc __utac_acc__Specification1_spec__3_#t~ret15, __utac_acc__Specification1_spec__3_#t~ret16, __utac_acc__Specification1_spec__3_#t~ret17, __utac_acc__Specification1_spec__3_#t~ret18, __utac_acc__Specification1_spec__3_#t~ret19, __utac_acc__Specification1_spec__3_#t~ret20, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 849#L1754-13true __utac_acc__Specification1_spec__3_#t~ret15 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret15;havoc __utac_acc__Specification1_spec__3_#t~ret15;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 4979#L624-1true assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 4954#L625-1true assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 4258#L1763-7true __utac_acc__Specification1_spec__3_#t~ret16 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret16;havoc __utac_acc__Specification1_spec__3_#t~ret16; 4669#L629-2true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 202#L684-1true cleanup_~i~0 := 1 + cleanup_~i~0; 4675#L188-2true [2019-11-28 20:52:17,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:52:17,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1138125382, now seen corresponding path program 1 times [2019-11-28 20:52:17,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:52:17,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198037761] [2019-11-28 20:52:17,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:52:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:52:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:52:17,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198037761] [2019-11-28 20:52:17,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:52:17,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:52:17,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933329055] [2019-11-28 20:52:17,431 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:52:17,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:52:17,432 INFO L82 PathProgramCache]: Analyzing trace with hash -118804279, now seen corresponding path program 1 times [2019-11-28 20:52:17,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:52:17,432 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138029270] [2019-11-28 20:52:17,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:52:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:52:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:52:17,540 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:52:17,856 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-11-28 20:52:18,212 WARN L192 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-11-28 20:52:18,234 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:52:18,235 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:52:18,235 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:52:18,235 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:52:18,236 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:52:18,236 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:18,236 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:52:18,236 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:52:18,236 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec1_product28.cil.c_Iteration1_Loop [2019-11-28 20:52:18,237 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:52:18,237 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:52:18,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:18,879 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-11-28 20:52:19,025 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:52:19,026 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2019-11-28 20:52:19,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,042 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:19,051 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,051 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~4=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 20:52:19,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:52:19,073 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,073 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification1_spec__3_#t~ret20=0} Honda state: {ULTIMATE.start___utac_acc__Specification1_spec__3_#t~ret20=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2019-11-28 20:52:19,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:52:19,104 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,105 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification1_spec__3_#t~ret16=0} Honda state: {ULTIMATE.start___utac_acc__Specification1_spec__3_#t~ret16=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:19,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,128 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:52:19,155 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,155 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___3~0=0} Honda state: {ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-11-28 20:52:19,204 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,204 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:52:19,216 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,217 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret35=0} Honda state: {ULTIMATE.start_isIdle_#t~ret35=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:19,246 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:52:19,251 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,251 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification1_spec__3_#t~ret15=0} Honda state: {ULTIMATE.start___utac_acc__Specification1_spec__3_#t~ret15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:19,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:52:19,277 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,278 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#res=0, ULTIMATE.start_cleanup_~tmp~6=0, ULTIMATE.start_isIdle_~retValue_acc~17=0} Honda state: {ULTIMATE.start_isIdle_#res=0, ULTIMATE.start_cleanup_~tmp~6=0, ULTIMATE.start_isIdle_~retValue_acc~17=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:19,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:52:19,288 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,288 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret80=0} Honda state: {ULTIMATE.start_timeShift_#t~ret80=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:19,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:52:19,306 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:52:19,306 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=-8, ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___4~0=-8, ~doorState~0=-8, ULTIMATE.start_timeShift_~tmp~24=-8, ULTIMATE.start_areDoorsOpen_~retValue_acc~12=-8} Honda state: {ULTIMATE.start_areDoorsOpen_#res=-8, ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___4~0=-8, ~doorState~0=-8, ULTIMATE.start_timeShift_~tmp~24=-8, ULTIMATE.start_areDoorsOpen_~retValue_acc~12=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:19,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:52:19,314 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:19,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:52:19,337 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:31,353 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-11-28 20:52:31,356 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:52:31,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:52:31,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:52:31,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:52:31,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:52:31,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:31,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:52:31,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:52:31,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec1_product28.cil.c_Iteration1_Loop [2019-11-28 20:52:31,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:52:31,358 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:52:31,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:52:31,961 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:52:31,970 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:31,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:31,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:31,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:31,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:31,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:31,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:52:31,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:31,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:52:31,992 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) [2019-11-28 20:52:32,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:32,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:52:32,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:32,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,023 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) [2019-11-28 20:52:32,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,046 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:52:32,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,056 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:52:32,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:52:32,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:32,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:32,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:52:32,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:32,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,085 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) [2019-11-28 20:52:32,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:32,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:32,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:52:32,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:32,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,145 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:52:32,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:52:32,149 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:52:32,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:32,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:32,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:32,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:52:32,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:32,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:32,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:52:32,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:32,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:32,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:32,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:32,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:52:32,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:32,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:32,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:52:32,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:32,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:32,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:52:32,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:52:32,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:52:32,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:52:32,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:52:32,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:52:32,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:52:32,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,282 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:52:32,317 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 20:52:32,317 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:52:32,326 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:52:32,326 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:52:32,326 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:52:32,328 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~0) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:52:32,346 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:52:32,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:52:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:52:32,587 INFO L264 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:52:32,595 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:52:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:52:32,647 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:52:32,651 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:52:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:52:32,726 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:52:32,727 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4978 states. Second operand 5 states. [2019-11-28 20:52:33,350 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4978 states.. Second operand 5 states. Result 7487 states and 14049 transitions. Complement of second has 9 states. [2019-11-28 20:52:33,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:52:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:52:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9410 transitions. [2019-11-28 20:52:33,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9410 transitions. Stem has 33 letters. Loop has 22 letters. [2019-11-28 20:52:33,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:52:33,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9410 transitions. Stem has 55 letters. Loop has 22 letters. [2019-11-28 20:52:33,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:52:33,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9410 transitions. Stem has 33 letters. Loop has 44 letters. [2019-11-28 20:52:33,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:52:33,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7487 states and 14049 transitions. [2019-11-28 20:52:33,525 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:52:33,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7487 states to 0 states and 0 transitions. [2019-11-28 20:52:33,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:52:33,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:52:33,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:52:33,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:52:33,531 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:52:33,532 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:52:33,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:52:33,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:52:33,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:52:33,538 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-28 20:52:33,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:52:33,542 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 20:52:33,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:52:33,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 20:52:33,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:52:33,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:52:33,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:52:33,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:52:33,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:52:33,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:52:33,544 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:52:33,545 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:52:33,545 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:52:33,545 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:52:33,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:52:33,546 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:52:33,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:52:33,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:52:33 BoogieIcfgContainer [2019-11-28 20:52:33,554 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:52:33,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:52:33,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:52:33,556 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:52:33,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:52:16" (3/4) ... [2019-11-28 20:52:33,561 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:52:33,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:52:33,565 INFO L168 Benchmark]: Toolchain (without parser) took 28912.86 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 590.9 MB). Free memory was 956.3 MB in the beginning and 809.7 MB in the end (delta: 146.7 MB). Peak memory consumption was 737.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:52:33,566 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:52:33,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1050.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -128.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:52:33,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 312.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:52:33,575 INFO L168 Benchmark]: Boogie Preprocessor took 421.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 984.3 MB in the end (delta: 53.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:52:33,576 INFO L168 Benchmark]: RCFGBuilder took 10173.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.3 MB). Free memory was 984.3 MB in the beginning and 1.0 GB in the end (delta: -39.5 MB). Peak memory consumption was 418.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:52:33,577 INFO L168 Benchmark]: BuchiAutomizer took 16941.71 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 251.7 MB). Free memory was 1.0 GB in the beginning and 809.7 MB in the end (delta: 214.1 MB). Peak memory consumption was 465.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:52:33,577 INFO L168 Benchmark]: Witness Printer took 6.81 ms. Allocated memory is still 1.6 GB. Free memory is still 809.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:52:33,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1050.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -128.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 312.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 421.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 984.3 MB in the end (delta: 53.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10173.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.3 MB). Free memory was 984.3 MB in the beginning and 1.0 GB in the end (delta: -39.5 MB). Peak memory consumption was 418.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 16941.71 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 251.7 MB). Free memory was 1.0 GB in the beginning and 809.7 MB in the end (delta: 214.1 MB). Peak memory consumption was 465.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.81 ms. Allocated memory is still 1.6 GB. Free memory is still 809.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 15.3s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.1s 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: 9376 SDtfs, 13982 SDslu, 4647 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf100 lsp16 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...