./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec2_product22.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 fe87639ceb6ca7a185dd04b038512383412943b7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:09:58,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:09:58,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:09:58,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:09:58,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:09:58,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:09:58,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:09:58,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:09:58,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:09:58,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:09:58,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:09:58,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:09:58,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:09:58,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:09:58,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:09:59,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:09:59,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:09:59,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:09:59,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:09:59,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:09:59,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:09:59,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:09:59,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:09:59,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:09:59,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:09:59,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:09:59,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:09:59,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:09:59,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:09:59,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:09:59,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:09:59,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:09:59,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:09:59,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:09:59,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:09:59,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:09:59,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:09:59,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:09:59,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:09:59,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:09:59,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:09:59,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:09:59,058 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:09:59,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:09:59,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:09:59,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:09:59,060 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:09:59,060 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:09:59,060 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:09:59,061 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:09:59,061 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:09:59,061 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:09:59,061 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:09:59,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:09:59,062 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:09:59,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:09:59,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:09:59,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:09:59,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:09:59,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:09:59,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:09:59,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:09:59,064 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:09:59,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:09:59,064 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:09:59,064 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:09:59,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:09:59,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:09:59,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:09:59,065 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:09:59,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:09:59,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:09:59,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:09:59,066 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:09:59,067 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:09:59,067 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 -> fe87639ceb6ca7a185dd04b038512383412943b7 [2020-10-20 07:09:59,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:09:59,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:09:59,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:09:59,332 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:09:59,332 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:09:59,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c [2020-10-20 07:09:59,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce6cfff1/fb1695c65a764df2808cbf6d3be75538/FLAG07147b711 [2020-10-20 07:10:00,017 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:10:00,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c [2020-10-20 07:10:00,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce6cfff1/fb1695c65a764df2808cbf6d3be75538/FLAG07147b711 [2020-10-20 07:10:00,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce6cfff1/fb1695c65a764df2808cbf6d3be75538 [2020-10-20 07:10:00,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:10:00,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:10:00,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:10:00,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:10:00,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:10:00,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:10:00" (1/1) ... [2020-10-20 07:10:00,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7739b23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:00, skipping insertion in model container [2020-10-20 07:10:00,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:10:00" (1/1) ... [2020-10-20 07:10:00,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:10:00,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:10:00,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:10:01,015 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:10:01,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:10:01,221 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:10:01,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01 WrapperNode [2020-10-20 07:10:01,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:10:01,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:10:01,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:10:01,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:10:01,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:01,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:01,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:10:01,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:10:01,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:10:01,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:10:01,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:01,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:01,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:01,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:02,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:02,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:02,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... [2020-10-20 07:10:02,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:10:02,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:10:02,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:10:02,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:10:02,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:10:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:10:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:10:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:10:15,718 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:10:15,719 INFO L298 CfgBuilder]: Removed 1479 assume(true) statements. [2020-10-20 07:10:15,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:15 BoogieIcfgContainer [2020-10-20 07:10:15,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:10:15,728 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:10:15,729 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:10:15,732 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:10:15,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:15,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:10:00" (1/3) ... [2020-10-20 07:10:15,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4de1595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:10:15, skipping insertion in model container [2020-10-20 07:10:15,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:15,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:01" (2/3) ... [2020-10-20 07:10:15,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4de1595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:10:15, skipping insertion in model container [2020-10-20 07:10:15,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:15,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:15" (3/3) ... [2020-10-20 07:10:15,739 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product22.cil.c [2020-10-20 07:10:15,794 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:10:15,795 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:10:15,795 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:10:15,795 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:10:15,796 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:10:15,796 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:10:15,796 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:10:15,796 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:10:15,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6752 states. [2020-10-20 07:10:16,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3363 [2020-10-20 07:10:16,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:10:16,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:10:16,073 INFO L852 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] [2020-10-20 07:10:16,073 INFO L853 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] [2020-10-20 07:10:16,073 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:10:16,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6752 states. [2020-10-20 07:10:16,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3363 [2020-10-20 07:10:16,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:10:16,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:10:16,160 INFO L852 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] [2020-10-20 07:10:16,161 INFO L853 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] [2020-10-20 07:10:16,168 INFO L794 eck$LassoCheckResult]: Stem: 1696#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string112.base, #t~string112.offset, 1);call write~init~int(95, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(93, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string114.base, #t~string114.offset, 1);call write~init~int(93, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(32, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string116.base, #t~string116.offset, 1);call write~init~int(97, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(116, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(32, #t~string116.base, 3 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 4 + #t~string116.offset, 1);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string118.base, #t~string118.offset, 1);call write~init~int(105, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 2 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string122.base, #t~string122.offset, 1);call write~init~int(112, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 2 + #t~string122.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string124.base, #t~string124.offset, 1);call write~init~int(111, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(119, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(110, #t~string124.base, 3 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 4 + #t~string124.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(73, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(76, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(95, #t~string126.base, 3 + #t~string126.offset, 1);call write~init~int(112, #t~string126.base, 4 + #t~string126.offset, 1);call write~init~int(58, #t~string126.base, 5 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 6 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string128.base, #t~string128.offset, 1);call write~init~int(37, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(105, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(37, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(105, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string134.base, #t~string134.offset, 1);call write~init~int(37, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(105, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string136.base, #t~string136.offset, 1);call write~init~int(37, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(105, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string138.base, #t~string138.offset, 1);call write~init~int(70, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(95, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(112, #t~string138.base, 3 + #t~string138.offset, 1);call write~init~int(58, #t~string138.base, 4 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 5 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string141.base, #t~string141.offset, 1);call write~init~int(37, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(105, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string144.base, #t~string144.offset, 1);call write~init~int(37, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(105, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string147.base, #t~string147.offset, 1);call write~init~int(37, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(105, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string150.base, #t~string150.offset, 1);call write~init~int(37, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(105, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string153.base, #t~string153.offset, 1);call write~init~int(37, #t~string153.base, 1 + #t~string153.offset, 1);call write~init~int(105, #t~string153.base, 2 + #t~string153.offset, 1);call write~init~int(0, #t~string153.base, 3 + #t~string153.offset, 1);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string155.base, #t~string155.offset, 1);call write~init~int(0, #t~string155.base, 1 + #t~string155.offset, 1);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(9);~cleanupTimeShifts~0 := 12;~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;~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 6181#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 6413#L1601true havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 5360#L1609true main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 805#L400true assume 0 != main_~tmp~8; 6432#L369true ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1571#L3286true havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~9;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~9; 2423#L1504true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~9 := 4;getOrigin_#res := getOrigin_~retValue_acc~9; 2004#L1529true bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;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; 205#L773true assume 0 == initPersonOnFloor_~floor; 82#L774true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 6198#L881-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 5691#L565true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 791#L577-2true havoc cleanup_#t~ret14, cleanup_#t~ret15, 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~ret109, timeShift_~tmp~23;havoc timeShift_~tmp~23;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 2418#L1857true timeShift_#t~ret109 := areDoorsOpen_#res;timeShift_~tmp~23 := timeShift_#t~ret109;havoc timeShift_#t~ret109; 4157#L2807true assume 0 != timeShift_~tmp~23; 4043#L2808true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 5627#L2483-11true havoc __utac_acc__Specification2_spec__3_#t~ret166, __utac_acc__Specification2_spec__3_#t~ret167, __utac_acc__Specification2_spec__3_#t~ret168, __utac_acc__Specification2_spec__3_#t~ret169, __utac_acc__Specification2_spec__3_#t~ret170, __utac_acc__Specification2_spec__3_#t~ret171, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~28, __utac_acc__Specification2_spec__3_~tmp___0~11, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~28;havoc __utac_acc__Specification2_spec__3_~tmp___0~11;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 2147#L1848-2true __utac_acc__Specification2_spec__3_#t~ret166 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~28 := __utac_acc__Specification2_spec__3_#t~ret166;havoc __utac_acc__Specification2_spec__3_#t~ret166;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~28; 2596#L3331true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 4220#L3332true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 2421#L1857-1true __utac_acc__Specification2_spec__3_#t~ret167 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret167;havoc __utac_acc__Specification2_spec__3_#t~ret167; 4089#L3336true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 937#L3391true cleanup_~i~0 := 0; 5393#L199-2true [2020-10-20 07:10:16,224 INFO L796 eck$LassoCheckResult]: Loop: 5393#L199-2true assume !false; 5463#L200true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 5356#L203true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~13; 2298#L1690true cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 5823#L207true assume 1 != cleanup_~tmp___0~0; 5824#L207-1true havoc isIdle_#res;havoc isIdle_#t~ret64, isIdle_~retValue_acc~20, isIdle_~tmp~15;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~15;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_#t~ret62, anyStopRequested_#t~ret63, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~14, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~14;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~2;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~2; 3253#L502-122true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~2 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~2; 5904#L529-122true anyStopRequested_#t~ret59 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret59;havoc anyStopRequested_#t~ret59; 5612#L1956true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 504#L2020true isIdle_#t~ret64 := anyStopRequested_#res;isIdle_~tmp~15 := isIdle_#t~ret64;havoc isIdle_#t~ret64;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~15 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 2422#L2033true cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 854#L219true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret109, timeShift_~tmp~23;havoc timeShift_~tmp~23;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 2434#L1857-6true timeShift_#t~ret109 := areDoorsOpen_#res;timeShift_~tmp~23 := timeShift_#t~ret109;havoc timeShift_#t~ret109; 4164#L2807-1true assume 0 != timeShift_~tmp~23; 4046#L2808-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 5626#L2483-23true havoc __utac_acc__Specification2_spec__3_#t~ret166, __utac_acc__Specification2_spec__3_#t~ret167, __utac_acc__Specification2_spec__3_#t~ret168, __utac_acc__Specification2_spec__3_#t~ret169, __utac_acc__Specification2_spec__3_#t~ret170, __utac_acc__Specification2_spec__3_#t~ret171, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~28, __utac_acc__Specification2_spec__3_~tmp___0~11, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~28;havoc __utac_acc__Specification2_spec__3_~tmp___0~11;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 2140#L1848-5true __utac_acc__Specification2_spec__3_#t~ret166 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~28 := __utac_acc__Specification2_spec__3_#t~ret166;havoc __utac_acc__Specification2_spec__3_#t~ret166;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~28; 2590#L3331-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 4223#L3332-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 2436#L1857-7true __utac_acc__Specification2_spec__3_#t~ret167 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret167;havoc __utac_acc__Specification2_spec__3_#t~ret167; 4107#L3336-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 929#L3391-1true cleanup_~i~0 := 1 + cleanup_~i~0; 5393#L199-2true [2020-10-20 07:10:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:16,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1007385687, now seen corresponding path program 1 times [2020-10-20 07:10:16,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:10:16,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351787445] [2020-10-20 07:10:16,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:10:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:10:16,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351787445] [2020-10-20 07:10:16,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:10:16,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:10:16,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394356669] [2020-10-20 07:10:16,703 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:10:16,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:16,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1624084183, now seen corresponding path program 1 times [2020-10-20 07:10:16,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:10:16,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371883276] [2020-10-20 07:10:16,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:10:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:10:16,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:10:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:10:16,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:10:16,767 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:10:16,997 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-10-20 07:10:17,265 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-20 07:10:17,279 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:10:17,281 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:10:17,281 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:10:17,281 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:10:17,281 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:10:17,282 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:17,282 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:10:17,282 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:10:17,283 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product22.cil.c_Iteration1_Loop [2020-10-20 07:10:17,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:10:17,283 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:10:17,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:17,935 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:10:17,940 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) [2020-10-20 07:10:17,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:17,953 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 [2020-10-20 07:10:17,968 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:17,970 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret166=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret166=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:18,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:18,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:10:18,108 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:18,108 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret167=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret167=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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:18,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:18,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:10:18,203 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:18,203 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~8=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:18,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:18,247 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:18,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:18,252 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret168=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret168=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 [2020-10-20 07:10:18,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:18,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:10:18,292 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:18,292 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret169=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret169=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 [2020-10-20 07:10:18,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:18,329 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:18,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:10:18,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:10:30,420 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-10-20 07:10:30,424 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:10:30,424 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:10:30,424 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:10:30,424 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:10:30,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:10:30,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:30,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:10:30,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:10:30,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product22.cil.c_Iteration1_Loop [2020-10-20 07:10:30,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:10:30,426 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:10:30,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:30,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:31,103 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:10:31,109 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:31,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:10:31,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:31,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:31,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:31,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:31,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:31,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:31,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:31,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:10:31,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:31,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:31,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:31,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:31,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:31,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:31,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:31,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:10:31,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:31,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:31,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:31,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:31,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:31,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:31,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:10:31,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:31,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:31,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:31,275 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:10:31,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:31,280 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:10:31,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:10:31,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:31,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:10:31,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:31,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:31,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:31,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:31,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:31,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:31,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,335 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) [2020-10-20 07:10:31,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:31,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:31,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:31,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:31,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:31,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:31,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:10:31,389 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:10:31,396 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 07:10:31,396 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:31,410 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:10:31,410 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:10:31,411 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:10:31,411 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,448 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:10:31,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:31,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:10:31,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:10:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:31,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:10:31,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:10:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:10:31,835 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 07:10:31,837 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6752 states. Second operand 5 states. [2020-10-20 07:10:33,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6752 states.. Second operand 5 states. Result 10175 states and 19255 transitions. Complement of second has 9 states. [2020-10-20 07:10:33,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 07:10:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:10:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12844 transitions. [2020-10-20 07:10:33,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12844 transitions. Stem has 24 letters. Loop has 22 letters. [2020-10-20 07:10:33,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:10:33,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12844 transitions. Stem has 46 letters. Loop has 22 letters. [2020-10-20 07:10:33,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:10:33,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12844 transitions. Stem has 24 letters. Loop has 44 letters. [2020-10-20 07:10:33,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:10:33,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10175 states and 19255 transitions. [2020-10-20 07:10:33,556 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:10:33,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10175 states to 0 states and 0 transitions. [2020-10-20 07:10:33,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:10:33,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:10:33,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:10:33,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:10:33,562 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,562 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:10:33,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:10:33,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:10:33,568 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 07:10:33,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:10:33,571 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:10:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:10:33,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:10:33,572 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:10:33,572 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:10:33,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:10:33,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:10:33,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:10:33,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:10:33,573 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,573 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,573 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,574 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:10:33,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:10:33,574 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:10:33,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:10:33,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:10:33 BoogieIcfgContainer [2020-10-20 07:10:33,581 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:10:33,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:10:33,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:10:33,582 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:10:33,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:15" (3/4) ... [2020-10-20 07:10:33,586 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:10:33,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:10:33,588 INFO L168 Benchmark]: Toolchain (without parser) took 33344.97 ms. Allocated memory was 34.6 MB in the beginning and 245.9 MB in the end (delta: 211.3 MB). Free memory was 13.3 MB in the beginning and 52.7 MB in the end (delta: -39.4 MB). Peak memory consumption was 171.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,589 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 33.6 MB. Free memory was 10.6 MB in the beginning and 10.5 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 973.26 ms. Allocated memory was 34.6 MB in the beginning and 45.6 MB in the end (delta: 11.0 MB). Free memory was 12.4 MB in the beginning and 16.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 589.99 ms. Allocated memory was 45.6 MB in the beginning and 62.9 MB in the end (delta: 17.3 MB). Free memory was 16.5 MB in the beginning and 13.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,593 INFO L168 Benchmark]: Boogie Preprocessor took 1143.64 ms. Allocated memory was 62.9 MB in the beginning and 110.6 MB in the end (delta: 47.7 MB). Free memory was 13.3 MB in the beginning and 30.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,594 INFO L168 Benchmark]: RCFGBuilder took 12770.51 ms. Allocated memory was 110.6 MB in the beginning and 204.5 MB in the end (delta: 93.8 MB). Free memory was 30.3 MB in the beginning and 90.9 MB in the end (delta: -60.6 MB). Peak memory consumption was 110.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,595 INFO L168 Benchmark]: BuchiAutomizer took 17852.89 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 90.9 MB in the beginning and 52.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 79.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,595 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 245.9 MB. Free memory is still 52.7 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:10:33,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 33.6 MB. Free memory was 10.6 MB in the beginning and 10.5 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 973.26 ms. Allocated memory was 34.6 MB in the beginning and 45.6 MB in the end (delta: 11.0 MB). Free memory was 12.4 MB in the beginning and 16.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 589.99 ms. Allocated memory was 45.6 MB in the beginning and 62.9 MB in the end (delta: 17.3 MB). Free memory was 16.5 MB in the beginning and 13.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 1143.64 ms. Allocated memory was 62.9 MB in the beginning and 110.6 MB in the end (delta: 47.7 MB). Free memory was 13.3 MB in the beginning and 30.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 12770.51 ms. Allocated memory was 110.6 MB in the beginning and 204.5 MB in the end (delta: 93.8 MB). Free memory was 30.3 MB in the beginning and 90.9 MB in the end (delta: -60.6 MB). Peak memory consumption was 110.5 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 17852.89 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 90.9 MB in the beginning and 52.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 79.6 MB. Max. memory is 14.3 GB. * Witness Printer took 4.83 ms. Allocated memory is still 245.9 MB. Free memory is still 52.7 MB. There was no memory consumed. Max. memory is 14.3 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 17.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 15.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.9s. 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: 12805 SDtfs, 19198 SDslu, 6419 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: 17ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 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...